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Squashed 'tmk_core/' changes from caca2c0..dc0e46e

dc0e46e Rename LUFA to LUFA-git
3bfa7fa Remove LUFA-120730
215b764 Merge commit 'afa0f22a9299686fd88f58ce09c5b521ac917e8f' as 'protocol/lufa/LUFA'
afa0f22 Squashed 'protocol/lufa/LUFA/' content from commit def7fca
c0c42fa Remove submodule of LUFA
30f897d Merge commit '87ced33feb74e79c3281dda36eb6d6d153399b41' as 'protocol/usb_hid/USB_Host_Shield_2.0'
87ced33 Squashed 'protocol/usb_hid/USB_Host_Shield_2.0/' content from commit aab4a69
14f6d49 Remove submodule of USB_Host_Shield_2.0

git-subtree-dir: tmk_core
git-subtree-split: dc0e46eaa4367d4e218f8816e3c117895820f07c
This commit is contained in:
tmk 2015-05-13 11:13:10 +09:00
parent 4d116a04e9
commit f6d56675f9
1575 changed files with 421901 additions and 63190 deletions

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/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#define __INCLUDE_FROM_USB_DRIVER
#include "../../Core/USBMode.h"
#if defined(USB_CAN_BE_HOST)
#define __INCLUDE_FROM_AOA_DRIVER
#define __INCLUDE_FROM_ANDROIDACCESSORY_HOST_C
#include "AndroidAccessoryClassHost.h"
bool AOA_Host_ValidateAccessoryDevice(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
const USB_Descriptor_Device_t* const DeviceDescriptor,
bool* const NeedModeSwitch)
{
(void)AOAInterfaceInfo;
if (DeviceDescriptor->Header.Type != DTYPE_Device)
return false;
*NeedModeSwitch = ((DeviceDescriptor->ProductID != ANDROID_ACCESSORY_PRODUCT_ID) &&
(DeviceDescriptor->ProductID != ANDROID_ACCESSORY_ADB_PRODUCT_ID));
return true;
}
uint8_t AOA_Host_ConfigurePipes(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData)
{
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Interface_t* AOAInterface = NULL;
memset(&AOAInterfaceInfo->State, 0x00, sizeof(AOAInterfaceInfo->State));
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return AOA_ENUMERROR_InvalidConfigDescriptor;
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_AOA_Host_NextAndroidAccessoryInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return AOA_ENUMERROR_NoCompatibleInterfaceFound;
}
AOAInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
while (!(DataINEndpoint) || !(DataOUTEndpoint))
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_AOA_Host_NextInterfaceBulkEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
return AOA_ENUMERROR_NoCompatibleInterfaceFound;
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
DataINEndpoint = EndpointData;
else
DataOUTEndpoint = EndpointData;
}
AOAInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize);
AOAInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
AOAInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK;
AOAInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
AOAInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
AOAInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;
if (!(Pipe_ConfigurePipeTable(&AOAInterfaceInfo->Config.DataINPipe, 1)))
return AOA_ENUMERROR_PipeConfigurationFailed;
if (!(Pipe_ConfigurePipeTable(&AOAInterfaceInfo->Config.DataOUTPipe, 1)))
return AOA_ENUMERROR_PipeConfigurationFailed;
AOAInterfaceInfo->State.IsActive = true;
AOAInterfaceInfo->State.InterfaceNumber = AOAInterface->InterfaceNumber;
return AOA_ENUMERROR_NoError;
}
static uint8_t DCOMP_AOA_Host_NextAndroidAccessoryInterface(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
if ((Interface->Class == AOA_CSCP_AOADataClass) &&
(Interface->SubClass == AOA_CSCP_AOADataSubclass) &&
(Interface->Protocol == AOA_CSCP_AOADataProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DCOMP_AOA_Host_NextInterfaceBulkEndpoint(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Endpoint)
{
USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
if ((EndpointType == EP_TYPE_BULK) && (!(Pipe_IsEndpointBound(Endpoint->EndpointAddress))))
return DESCRIPTOR_SEARCH_Found;
}
else if (Header->Type == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}
return DESCRIPTOR_SEARCH_NotFound;
}
void AOA_Host_USBTask(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive))
return;
#if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
AOA_Host_Flush(AOAInterfaceInfo);
#endif
}
uint8_t AOA_Host_StartAccessoryMode(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo)
{
uint8_t ErrorCode;
uint16_t AccessoryProtocol;
if ((ErrorCode = AOA_Host_GetAccessoryProtocol(&AccessoryProtocol)) != HOST_WAITERROR_Successful)
return ErrorCode;
if ((AccessoryProtocol != CPU_TO_LE16(AOA_PROTOCOL_AccessoryV1)) && (AccessoryProtocol != CPU_TO_LE16(AOA_PROTOCOL_AccessoryV2)))
return AOA_ERROR_LOGICAL_CMD_FAILED;
for (uint8_t PropertyIndex = 0; PropertyIndex < AOA_STRING_TOTAL_STRINGS; PropertyIndex++)
{
if ((ErrorCode = AOA_Host_SendPropertyString(AOAInterfaceInfo, PropertyIndex)) != HOST_WAITERROR_Successful)
return ErrorCode;
}
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_VENDOR | REQREC_DEVICE),
.bRequest = AOA_REQ_StartAccessoryMode,
.wValue = 0,
.wIndex = 0,
.wLength = 0,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(NULL);
}
static uint8_t AOA_Host_GetAccessoryProtocol(uint16_t* const Protocol)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_VENDOR | REQREC_DEVICE),
.bRequest = AOA_REQ_GetAccessoryProtocol,
.wValue = 0,
.wIndex = 0,
.wLength = sizeof(uint16_t),
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(Protocol);
}
static uint8_t AOA_Host_SendPropertyString(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
const uint8_t StringIndex)
{
const char* String = AOAInterfaceInfo->Config.PropertyStrings[StringIndex];
if (String == NULL)
String = "";
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_VENDOR | REQREC_DEVICE),
.bRequest = AOA_REQ_SendString,
.wValue = 0,
.wIndex = StringIndex,
.wLength = (strlen(String) + 1),
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest((char*)String);
}
uint8_t AOA_Host_SendData(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
const void* const Buffer,
const uint16_t Length)
{
if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive))
return PIPE_READYWAIT_DeviceDisconnected;
uint8_t ErrorCode;
Pipe_SelectPipe(AOAInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
ErrorCode = Pipe_Write_Stream_LE(Buffer, Length, NULL);
Pipe_Freeze();
return ErrorCode;
}
uint8_t AOA_Host_SendString(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
const char* const String)
{
if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive))
return PIPE_READYWAIT_DeviceDisconnected;
uint8_t ErrorCode;
Pipe_SelectPipe(AOAInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
ErrorCode = Pipe_Write_Stream_LE(String, strlen(String), NULL);
Pipe_Freeze();
return ErrorCode;
}
uint8_t AOA_Host_SendByte(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
const uint8_t Data)
{
if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive))
return PIPE_READYWAIT_DeviceDisconnected;
uint8_t ErrorCode;
Pipe_SelectPipe(AOAInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if (!(Pipe_IsReadWriteAllowed()))
{
Pipe_ClearOUT();
if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
return ErrorCode;
}
Pipe_Write_8(Data);
Pipe_Freeze();
return PIPE_READYWAIT_NoError;
}
uint16_t AOA_Host_BytesReceived(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive))
return 0;
Pipe_SelectPipe(AOAInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
if (Pipe_IsINReceived())
{
if (!(Pipe_BytesInPipe()))
{
Pipe_ClearIN();
Pipe_Freeze();
return 0;
}
else
{
Pipe_Freeze();
return Pipe_BytesInPipe();
}
}
else
{
Pipe_Freeze();
return 0;
}
}
int16_t AOA_Host_ReceiveByte(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive))
return -1;
int16_t ReceivedByte = -1;
Pipe_SelectPipe(AOAInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
if (Pipe_IsINReceived())
{
if (Pipe_BytesInPipe())
ReceivedByte = Pipe_Read_8();
if (!(Pipe_BytesInPipe()))
Pipe_ClearIN();
}
Pipe_Freeze();
return ReceivedByte;
}
uint8_t AOA_Host_Flush(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(AOAInterfaceInfo->State.IsActive))
return PIPE_READYWAIT_DeviceDisconnected;
uint8_t ErrorCode;
Pipe_SelectPipe(AOAInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if (!(Pipe_BytesInPipe()))
return PIPE_READYWAIT_NoError;
bool BankFull = !(Pipe_IsReadWriteAllowed());
Pipe_ClearOUT();
if (BankFull)
{
if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
return ErrorCode;
Pipe_ClearOUT();
}
Pipe_Freeze();
return PIPE_READYWAIT_NoError;
}
#if defined(FDEV_SETUP_STREAM)
void AOA_Host_CreateStream(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
FILE* const Stream)
{
*Stream = (FILE)FDEV_SETUP_STREAM(AOA_Host_putchar, AOA_Host_getchar, _FDEV_SETUP_RW);
fdev_set_udata(Stream, AOAInterfaceInfo);
}
void AOA_Host_CreateBlockingStream(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
FILE* const Stream)
{
*Stream = (FILE)FDEV_SETUP_STREAM(AOA_Host_putchar, AOA_Host_getchar_Blocking, _FDEV_SETUP_RW);
fdev_set_udata(Stream, AOAInterfaceInfo);
}
static int AOA_Host_putchar(char c,
FILE* Stream)
{
return AOA_Host_SendByte((USB_ClassInfo_AOA_Host_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0;
}
static int AOA_Host_getchar(FILE* Stream)
{
int16_t ReceivedByte = AOA_Host_ReceiveByte((USB_ClassInfo_AOA_Host_t*)fdev_get_udata(Stream));
if (ReceivedByte < 0)
return _FDEV_EOF;
return ReceivedByte;
}
static int AOA_Host_getchar_Blocking(FILE* Stream)
{
int16_t ReceivedByte;
while ((ReceivedByte = AOA_Host_ReceiveByte((USB_ClassInfo_AOA_Host_t*)fdev_get_udata(Stream))) < 0)
{
if (USB_HostState == HOST_STATE_Unattached)
return _FDEV_EOF;
AOA_Host_USBTask((USB_ClassInfo_AOA_Host_t*)fdev_get_udata(Stream));
USB_USBTask();
}
return ReceivedByte;
}
#endif
#endif

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/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
* \brief Host mode driver for the library USB Android Open Accessory Class driver.
*
* Host mode driver for the library USB Android Open Accessory Class driver.
*
* \note This file should not be included directly. It is automatically included as needed by the USB module driver
* dispatch header located in LUFA/Drivers/USB.h.
*/
/** \ingroup Group_USBClassAOA
* \defgroup Group_USBClassAndroidAccessoryHost Android Open Accessory Class Host Mode Driver
*
* \section Sec_USBClassAndroidAccessoryHost_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/USB/Class/Host/AndroidAccessoryClassHost.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
*
* \section Sec_USBClassAndroidAccessoryHost_ModDescription Module Description
* Host Mode USB Class driver framework interface, for the Android Open Accessory USB Class driver.
*
* @{
*/
#ifndef __AOA_CLASS_HOST_H__
#define __AOA_CLASS_HOST_H__
/* Includes: */
#include "../../USB.h"
#include "../Common/AndroidAccessoryClassCommon.h"
#include <stdio.h>
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_AOA_DRIVER)
#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
#endif
/* Public Interface - May be used in end-application: */
/* Macros: */
/** Error code for some Android Open Accessory Host functions, indicating a logical (and not hardware) error. */
#define AOA_ERROR_LOGICAL_CMD_FAILED 0x80
/* Type Defines: */
/** \brief Android Open Accessory Class Host Mode Configuration and State Structure.
*
* Class state structure. An instance of this structure should be made within the user application,
* and passed to each of the Android Open Accessory class driver functions as the \c AOAInterfaceInfo
* parameter. This stores each Android Open Accessory interface's configuration and state information.
*/
typedef struct
{
struct
{
USB_Pipe_Table_t DataINPipe; /**< Data IN Pipe configuration table. */
USB_Pipe_Table_t DataOUTPipe; /**< Data OUT Pipe configuration table. */
char* PropertyStrings[AOA_STRING_TOTAL_STRINGS]; /**< Android Accessory property strings, sent to identify the accessory when the
* Android device is switched into Open Accessory mode. */
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
struct
{
bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
* after \ref AOA_Host_ConfigurePipes() is called and the Host state machine is in the
* Configured state.
*/
uint8_t InterfaceNumber; /**< Interface index of the AOA interface within the attached device. */
} State; /**< State data for the USB class interface within the device. All elements in this section
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
*/
} USB_ClassInfo_AOA_Host_t;
/* Enums: */
/** Enum for the possible error codes returned by the \ref AOA_Host_ConfigurePipes() function. */
enum AOA_Host_EnumerationFailure_ErrorCodes_t
{
AOA_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */
AOA_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */
AOA_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible Android Open Accessory interface was not found in the device's Configuration Descriptor. */
AOA_ENUMERROR_PipeConfigurationFailed = 3, /**< One or more pipes for the specified interface could not be configured correctly. */
};
/* Function Prototypes: */
/** General management task for a given Android Open Accessory host class interface, required for the correct operation of the interface.
* This should be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
*
* \param[in,out] AOAInterfaceInfo Pointer to a structure containing an Android Open Accessory Class host configuration and state.
*/
void AOA_Host_USBTask(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Validates a device descriptor, to check if the device is a valid Android device, and if it is currently in Android Open Accessory mode.
*
* \param[in,out] AOAInterfaceInfo Pointer to a structure containing an AOA Class host configuration and state.
* \param[in] DeviceDescriptor Pointer a buffer containing the attached device's Device Descriptor.
* \param[out] NeedModeSwitch Pointer to a boolean where the mode switch requirement of the attached device is to be stored.
*
* \return Boolean \c true if the attached device is a valid Android device, \c false otherwise.
*/
bool AOA_Host_ValidateAccessoryDevice(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
const USB_Descriptor_Device_t* const DeviceDescriptor,
bool* const NeedModeSwitch) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2) ATTR_NON_NULL_PTR_ARG(3);
/** Host interface configuration routine, to configure a given Android Open Accessory host interface instance using the Configuration
* Descriptor read from an attached USB device. This function automatically updates the given Android Open Accessory Host instance's
* state values and configures the pipes required to communicate with the interface if it is found within the device. This should be
* called once after the stack has enumerated the attached device, while the host state machine is in the Addressed state.
*
* \param[in,out] AOAInterfaceInfo Pointer to a structure containing an AOA Class host configuration and state.
* \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
* \param[in] ConfigDescriptorData Pointer to a buffer containing the attached device's Configuration Descriptor.
*
* \return A value from the \ref AOA_Host_EnumerationFailure_ErrorCodes_t enum.
*/
uint8_t AOA_Host_ConfigurePipes(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
/** Starts Accessory Mode in the attached Android device. This function will validate the device's Android Open Accessory protocol
* version, send the configured property strings, and request a switch to Android Open Accessory mode.
*
* \param[in,out] AOAInterfaceInfo Pointer to a structure containing an AOA Class host configuration and state.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum, or \ref AOA_ERROR_LOGICAL_CMD_FAILED if a logical error occurred..
*/
uint8_t AOA_Host_StartAccessoryMode(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Sends a given data buffer to the attached USB device, if connected. If a device is not connected when the function is
* called, the data will be discarded. Bytes will be queued for transmission to the device until either the pipe bank
* becomes full, or the \ref AOA_Host_Flush() function is called to flush the pending data to the device. This allows for
* multiple bytes to be packed into a single pipe packet, increasing data throughput.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] AOAInterfaceInfo Pointer to a structure containing a AOA Class host configuration and state.
* \param[in] Buffer Pointer to a buffer containing the data to send to the device.
* \param[in] Length Length of the data to send to the device.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t AOA_Host_SendData(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
const void* const Buffer,
const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
/** Sends a given null-terminated string to the attached USB device, if connected. If a device is not connected when the
* function is called, the string is discarded. Bytes will be queued for transmission to the device until either the pipe
* bank becomes full, or the \ref AOA_Host_Flush() function is called to flush the pending data to the device. This allows
* for multiple bytes to be packed into a single pipe packet, increasing data throughput.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] AOAInterfaceInfo Pointer to a structure containing a AOA Class host configuration and state.
* \param[in] String Pointer to the null terminated string to send to the device.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t AOA_Host_SendString(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
const char* const String) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** Sends a given byte to the attached USB device, if connected. If a device is not connected when the function is called, the
* byte is discarded. Bytes will be queued for transmission to the device until either the pipe bank becomes full, or the
* \ref AOA_Host_Flush() function is called to flush the pending data to the host. This allows for multiple bytes to be
* packed into a single pipe packet, increasing data throughput.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] AOAInterfaceInfo Pointer to a structure containing a AOA Class host configuration and state.
* \param[in] Data Byte of data to send to the device.
*
* \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum.
*/
uint8_t AOA_Host_SendByte(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
const uint8_t Data) ATTR_NON_NULL_PTR_ARG(1);
/** Determines the number of bytes received by the AOA interface from the device, waiting to be read. This indicates the number
* of bytes in the IN pipe bank only, and thus the number of calls to \ref AOA_Host_ReceiveByte() which are guaranteed to succeed
* immediately. If multiple bytes are to be received, they should be buffered by the user application, as the pipe bank will not be
* released back to the USB controller until all bytes are read.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] AOAInterfaceInfo Pointer to a structure containing a AOA Class host configuration and state.
*
* \return Total number of buffered bytes received from the device.
*/
uint16_t AOA_Host_BytesReceived(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Reads a byte of data from the device. If no data is waiting to be read of if a USB device is not connected, the function
* returns a negative value. The \ref AOA_Host_BytesReceived() function may be queried in advance to determine how many bytes
* are currently buffered in the AOA interface's data receive pipe.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] AOAInterfaceInfo Pointer to a structure containing a AOA Class host configuration and state.
*
* \return Next received byte from the device, or a negative value if no data received.
*/
int16_t AOA_Host_ReceiveByte(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Flushes any data waiting to be sent, ensuring that the send buffer is cleared.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] AOAInterfaceInfo Pointer to a structure containing a AOA Class host configuration and state.
*
* \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum.
*/
uint8_t AOA_Host_Flush(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Creates a standard character stream for the given AOA Device instance so that it can be used with all the regular
* functions in the standard \c <stdio.h> library that accept a \c FILE stream as a destination (e.g. \c fprintf). The created
* stream is bidirectional and can be used for both input and output functions.
*
* Reading data from this stream is non-blocking, i.e. in most instances, complete strings cannot be read in by a single
* fetch, as the endpoint will not be ready at some point in the transmission, aborting the transfer. However, this may
* be used when the read data is processed byte-per-bye (via \c getc()) or when the user application will implement its own
* line buffering.
*
* \note The created stream can be given as \c stdout if desired to direct the standard output from all \c <stdio.h> functions
* to the given AOA interface.
* \n\n
*
* \note This function is not available on all microcontroller architectures.
*
* \param[in,out] AOAInterfaceInfo Pointer to a structure containing a AOA Class configuration and state.
* \param[in,out] Stream Pointer to a FILE structure where the created stream should be placed.
*/
void AOA_Host_CreateStream(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
FILE* const Stream) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** Identical to \ref AOA_Host_CreateStream(), except that reads are blocking until the calling stream function terminates
* the transfer. While blocking, the USB and AOA service tasks are called repeatedly to maintain USB communications.
*
* \note This function is not available on all microcontroller architectures.
*
* \param[in,out] AOAInterfaceInfo Pointer to a structure containing a AOA Class configuration and state.
* \param[in,out] Stream Pointer to a FILE structure where the created stream should be placed.
*/
void AOA_Host_CreateBlockingStream(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
FILE* const Stream) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Function Prototypes: */
#if defined(__INCLUDE_FROM_ANDROIDACCESSORY_HOST_C)
#if defined(FDEV_SETUP_STREAM)
static int AOA_Host_putchar(char c,
FILE* Stream) ATTR_NON_NULL_PTR_ARG(2);
static int AOA_Host_getchar(FILE* Stream) ATTR_NON_NULL_PTR_ARG(1);
static int AOA_Host_getchar_Blocking(FILE* Stream) ATTR_NON_NULL_PTR_ARG(1);
#endif
static uint8_t AOA_Host_GetAccessoryProtocol(uint16_t* const Protocol) ATTR_NON_NULL_PTR_ARG(1);
static uint8_t AOA_Host_SendPropertyString(USB_ClassInfo_AOA_Host_t* const AOAInterfaceInfo,
const uint8_t StringIndex) ATTR_NON_NULL_PTR_ARG(1);
static uint8_t DCOMP_AOA_Host_NextAndroidAccessoryInterface(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
static uint8_t DCOMP_AOA_Host_NextInterfaceBulkEndpoint(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
#endif
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

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/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#define __INCLUDE_FROM_USB_DRIVER
#include "../../Core/USBMode.h"
#if defined(USB_CAN_BE_HOST)
#define __INCLUDE_FROM_AUDIO_DRIVER
#define __INCLUDE_FROM_AUDIO_HOST_C
#include "AudioClassHost.h"
uint8_t Audio_Host_ConfigurePipes(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData)
{
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Interface_t* AudioControlInterface = NULL;
USB_Descriptor_Interface_t* AudioStreamingInterface = NULL;
memset(&AudioInterfaceInfo->State, 0x00, sizeof(AudioInterfaceInfo->State));
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return AUDIO_ENUMERROR_InvalidConfigDescriptor;
while ((AudioInterfaceInfo->Config.DataINPipe.Address && !(DataINEndpoint)) ||
(AudioInterfaceInfo->Config.DataOUTPipe.Address && !(DataOUTEndpoint)))
{
if (!(AudioControlInterface) ||
USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_Audio_Host_NextAudioInterfaceDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
if (!(AudioControlInterface) ||
USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_Audio_Host_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_Audio_Host_NextAudioControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return AUDIO_ENUMERROR_NoCompatibleInterfaceFound;
}
AudioControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_Audio_Host_NextAudioStreamInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return AUDIO_ENUMERROR_NoCompatibleInterfaceFound;
}
}
AudioStreamingInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
continue;
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
DataINEndpoint = EndpointData;
else
DataOUTEndpoint = EndpointData;
}
AudioInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize);
AudioInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
AudioInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_ISOCHRONOUS;
AudioInterfaceInfo->Config.DataINPipe.Banks = 2;
AudioInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
AudioInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
AudioInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_ISOCHRONOUS;
AudioInterfaceInfo->Config.DataOUTPipe.Banks = 2;
if (!(Pipe_ConfigurePipeTable(&AudioInterfaceInfo->Config.DataINPipe, 1)))
return AUDIO_ENUMERROR_PipeConfigurationFailed;
if (!(Pipe_ConfigurePipeTable(&AudioInterfaceInfo->Config.DataOUTPipe, 1)))
return AUDIO_ENUMERROR_PipeConfigurationFailed;
AudioInterfaceInfo->State.ControlInterfaceNumber = AudioControlInterface->InterfaceNumber;
AudioInterfaceInfo->State.StreamingInterfaceNumber = AudioStreamingInterface->InterfaceNumber;
AudioInterfaceInfo->State.EnabledStreamingAltIndex = AudioStreamingInterface->AlternateSetting;
AudioInterfaceInfo->State.IsActive = true;
return AUDIO_ENUMERROR_NoError;
}
static uint8_t DCOMP_Audio_Host_NextAudioControlInterface(void* CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
if ((Interface->Class == AUDIO_CSCP_AudioClass) &&
(Interface->SubClass == AUDIO_CSCP_ControlSubclass) &&
(Interface->Protocol == AUDIO_CSCP_ControlProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DCOMP_Audio_Host_NextAudioStreamInterface(void* CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
if ((Interface->Class == AUDIO_CSCP_AudioClass) &&
(Interface->SubClass == AUDIO_CSCP_AudioStreamingSubclass) &&
(Interface->Protocol == AUDIO_CSCP_StreamingProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DCOMP_Audio_Host_NextAudioInterfaceDataEndpoint(void* CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Endpoint)
{
USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
if ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_ISOCHRONOUS)
return DESCRIPTOR_SEARCH_Found;
}
else if (Header->Type == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}
return DESCRIPTOR_SEARCH_NotFound;
}
uint8_t Audio_Host_StartStopStreaming(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,
const bool EnableStreaming)
{
if (!(AudioInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
return USB_Host_SetInterfaceAltSetting(AudioInterfaceInfo->State.StreamingInterfaceNumber,
EnableStreaming ? AudioInterfaceInfo->State.EnabledStreamingAltIndex : 0);
}
uint8_t Audio_Host_GetSetEndpointProperty(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,
const uint8_t DataPipeIndex,
const uint8_t EndpointProperty,
const uint8_t EndpointControl,
const uint16_t DataLength,
void* const Data)
{
if (!(AudioInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
uint8_t RequestType;
uint8_t EndpointAddress;
if (EndpointProperty & 0x80)
RequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_ENDPOINT);
else
RequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_ENDPOINT);
Pipe_SelectPipe(DataPipeIndex);
EndpointAddress = Pipe_GetBoundEndpointAddress();
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = RequestType,
.bRequest = EndpointProperty,
.wValue = ((uint16_t)EndpointControl << 8),
.wIndex = EndpointAddress,
.wLength = DataLength,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(Data);
}
#endif

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@ -0,0 +1,411 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
* \brief Host mode driver for the library USB Audio 1.0 Class driver.
*
* Host mode driver for the library USB Audio 1.0 Class driver.
*
* \note This file should not be included directly. It is automatically included as needed by the USB module driver
* dispatch header located in LUFA/Drivers/USB.h.
*/
/** \ingroup Group_USBClassAudio
* \defgroup Group_USBClassAudioHost Audio 1.0 Class Host Mode Driver
*
* \section Sec_USBClassAudioHost_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/USB/Class/Host/AudioClassHost.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
*
* \section Sec_USBClassAudioHost_ModDescription Module Description
* Host Mode USB Class driver framework interface, for the Audio 1.0 USB Class driver.
*
* @{
*/
#ifndef __AUDIO_CLASS_HOST_H__
#define __AUDIO_CLASS_HOST_H__
/* Includes: */
#include "../../USB.h"
#include "../Common/AudioClassCommon.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_AUDIO_DRIVER)
#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
#endif
/* Public Interface - May be used in end-application: */
/* Type Defines: */
/** \brief Audio Class Host Mode Configuration and State Structure.
*
* Class state structure. An instance of this structure should be made within the user application,
* and passed to each of the Audio class driver functions as the \c AudioInterfaceInfo parameter. This
* stores each Audio interface's configuration and state information.
*/
typedef struct
{
struct
{
USB_Pipe_Table_t DataINPipe; /**< Data IN Pipe configuration table. */
USB_Pipe_Table_t DataOUTPipe; /**< Data OUT Pipe configuration table. */
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
struct
{
bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
* after \ref Audio_Host_ConfigurePipes() is called and the Host state machine is in the
* Configured state.
*/
uint8_t ControlInterfaceNumber; /**< Interface index of the Audio Control interface within the attached device. */
uint8_t StreamingInterfaceNumber; /**< Interface index of the Audio Streaming interface within the attached device. */
uint8_t EnabledStreamingAltIndex; /**< Alternative setting index of the Audio Streaming interface when the stream is enabled. */
} State; /**< State data for the USB class interface within the device. All elements in this section
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
*/
} USB_ClassInfo_Audio_Host_t;
/* Enums: */
/** Enum for the possible error codes returned by the \ref Audio_Host_ConfigurePipes() function. */
enum AUDIO_Host_EnumerationFailure_ErrorCodes_t
{
AUDIO_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */
AUDIO_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */
AUDIO_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible AUDIO interface was not found in the device's Configuration Descriptor. */
AUDIO_ENUMERROR_PipeConfigurationFailed = 3, /**< One or more pipes for the specified interface could not be configured correctly. */
};
/* Function Prototypes: */
/** Host interface configuration routine, to configure a given Audio host interface instance using the Configuration
* Descriptor read from an attached USB device. This function automatically updates the given Audio Host instance's
* state values and configures the pipes required to communicate with the interface if it is found within the
* device. This should be called once after the stack has enumerated the attached device, while the host state
* machine is in the Addressed state.
*
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class host configuration and state.
* \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
* \param[in] ConfigDescriptorData Pointer to a buffer containing the attached device's Configuration Descriptor.
*
* \return A value from the \ref AUDIO_Host_EnumerationFailure_ErrorCodes_t enum.
*/
uint8_t Audio_Host_ConfigurePipes(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
/** Starts or stops the audio streaming for the given configured Audio Host interface, allowing for audio samples to be
* send and/or received.
*
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class host configuration and state.
* \param[in] EnableStreaming Boolean true to enable streaming of the specified interface, \c false to disable
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t Audio_Host_StartStopStreaming(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,
const bool EnableStreaming) ATTR_NON_NULL_PTR_ARG(1);
/** Gets or sets the specified property of a streaming audio class endpoint that is bound to a pipe in the given
* class instance.
*
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class host configuration and state.
* \param[in] DataPipeIndex Index of the data pipe whose bound endpoint is to be altered.
* \param[in] EndpointProperty Property of the endpoint to get or set, a value from \ref Audio_ClassRequests_t.
* \param[in] EndpointControl Parameter of the endpoint to get or set, a value from \ref Audio_EndpointControls_t.
* \param[in,out] DataLength For SET operations, the length of the parameter data to set. For GET operations, the maximum
* length of the retrieved data.
* \param[in,out] Data Pointer to a location where the parameter data is stored for SET operations, or where
* the retrieved data is to be stored for GET operations.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t Audio_Host_GetSetEndpointProperty(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,
const uint8_t DataPipeIndex,
const uint8_t EndpointProperty,
const uint8_t EndpointControl,
const uint16_t DataLength,
void* const Data) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(6);
/* Inline Functions: */
/** General management task for a given Audio host class interface, required for the correct operation of
* the interface. This should be called frequently in the main program loop, before the master USB management task
* \ref USB_USBTask().
*
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class host configuration and state.
*/
static inline void Audio_Host_USBTask(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo)
ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
static inline void Audio_Host_USBTask(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo)
{
(void)AudioInterfaceInfo;
}
/** Determines if the given audio interface is ready for a sample to be read from it, and selects the streaming
* IN pipe ready for reading.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or
* the call will fail.
*
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
*
* \return Boolean \c true if the given Audio interface has a sample to be read, \c false otherwise.
*/
static inline bool Audio_Host_IsSampleReceived(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo)
ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
static inline bool Audio_Host_IsSampleReceived(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(AudioInterfaceInfo->State.IsActive))
return false;
bool SampleReceived = false;
Pipe_SelectPipe(AudioInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
SampleReceived = Pipe_IsINReceived();
Pipe_Freeze();
return SampleReceived;
}
/** Determines if the given audio interface is ready to accept the next sample to be written to it, and selects
* the streaming OUT pipe ready for writing.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or
* the call will fail.
*
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
*
* \return Boolean \c true if the given Audio interface is ready to accept the next sample, \c false otherwise.
*/
static inline bool Audio_Host_IsReadyForNextSample(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo)
ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
static inline bool Audio_Host_IsReadyForNextSample(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(AudioInterfaceInfo->State.IsActive))
return false;
Pipe_SelectPipe(AudioInterfaceInfo->Config.DataOUTPipe.Address);
return Pipe_IsOUTReady();
}
/** Reads the next 8-bit audio sample from the current audio interface.
*
* \pre This should be preceded immediately by a call to the \ref Audio_Host_IsSampleReceived() function to ensure
* that the correct pipe is selected and ready for data.
*
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
*
* \return Signed 8-bit audio sample from the audio interface.
*/
static inline int8_t Audio_Host_ReadSample8(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo)
ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
static inline int8_t Audio_Host_ReadSample8(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo)
{
int8_t Sample;
(void)AudioInterfaceInfo;
Sample = Pipe_Read_8();
if (!(Pipe_BytesInPipe()))
{
Pipe_Unfreeze();
Pipe_ClearIN();
Pipe_Freeze();
}
return Sample;
}
/** Reads the next 16-bit audio sample from the current audio interface.
*
* \pre This should be preceded immediately by a call to the \ref Audio_Host_IsSampleReceived() function to ensure
* that the correct pipe is selected and ready for data.
*
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
*
* \return Signed 16-bit audio sample from the audio interface.
*/
static inline int16_t Audio_Host_ReadSample16(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo)
ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
static inline int16_t Audio_Host_ReadSample16(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo)
{
int16_t Sample;
(void)AudioInterfaceInfo;
Sample = (int16_t)Pipe_Read_16_LE();
if (!(Pipe_BytesInPipe()))
{
Pipe_Unfreeze();
Pipe_ClearIN();
Pipe_Freeze();
}
return Sample;
}
/** Reads the next 24-bit audio sample from the current audio interface.
*
* \pre This should be preceded immediately by a call to the \ref Audio_Host_IsSampleReceived() function to ensure
* that the correct pipe is selected and ready for data.
*
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
*
* \return Signed 24-bit audio sample from the audio interface.
*/
static inline int32_t Audio_Host_ReadSample24(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo)
ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
static inline int32_t Audio_Host_ReadSample24(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo)
{
int32_t Sample;
(void)AudioInterfaceInfo;
Sample = (((uint32_t)Pipe_Read_8() << 16) | Pipe_Read_16_LE());
if (!(Pipe_BytesInPipe()))
{
Pipe_Unfreeze();
Pipe_ClearIN();
Pipe_Freeze();
}
return Sample;
}
/** Writes the next 8-bit audio sample to the current audio interface.
*
* \pre This should be preceded immediately by a call to the \ref Audio_Host_IsReadyForNextSample() function to
* ensure that the correct pipe is selected and ready for data.
*
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
* \param[in] Sample Signed 8-bit audio sample.
*/
static inline void Audio_Host_WriteSample8(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,
const int8_t Sample) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
static inline void Audio_Host_WriteSample8(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,
const int8_t Sample)
{
(void)AudioInterfaceInfo;
Pipe_Write_8(Sample);
if (!(Pipe_IsReadWriteAllowed()))
{
Pipe_Unfreeze();
Pipe_ClearOUT();
Pipe_WaitUntilReady();
Pipe_Freeze();
}
}
/** Writes the next 16-bit audio sample to the current audio interface.
*
* \pre This should be preceded immediately by a call to the \ref Audio_Host_IsReadyForNextSample() function to
* ensure that the correct pipe is selected and ready for data.
*
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
* \param[in] Sample Signed 16-bit audio sample.
*/
static inline void Audio_Host_WriteSample16(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,
const int16_t Sample) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
static inline void Audio_Host_WriteSample16(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,
const int16_t Sample)
{
(void)AudioInterfaceInfo;
Pipe_Write_16_LE(Sample);
if (!(Pipe_IsReadWriteAllowed()))
{
Pipe_Unfreeze();
Pipe_ClearOUT();
Pipe_WaitUntilReady();
Pipe_Freeze();
}
}
/** Writes the next 24-bit audio sample to the current audio interface.
*
* \pre This should be preceded immediately by a call to the \ref Audio_Host_IsReadyForNextSample() function to
* ensure that the correct pipe is selected and ready for data.
*
* \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state.
* \param[in] Sample Signed 24-bit audio sample.
*/
static inline void Audio_Host_WriteSample24(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,
const int32_t Sample) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
static inline void Audio_Host_WriteSample24(USB_ClassInfo_Audio_Host_t* const AudioInterfaceInfo,
const int32_t Sample)
{
(void)AudioInterfaceInfo;
Pipe_Write_16_LE(Sample);
Pipe_Write_8(Sample >> 16);
if (!(Pipe_IsReadWriteAllowed()))
{
Pipe_Unfreeze();
Pipe_ClearOUT();
Pipe_WaitUntilReady();
Pipe_Freeze();
}
}
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Function Prototypes: */
#if defined(__INCLUDE_FROM_AUDIO_HOST_C)
static uint8_t DCOMP_Audio_Host_NextAudioControlInterface(void* CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
static uint8_t DCOMP_Audio_Host_NextAudioStreamInterface(void* CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
static uint8_t DCOMP_Audio_Host_NextAudioInterfaceDataEndpoint(void* CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
#endif
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

View file

@ -0,0 +1,477 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#define __INCLUDE_FROM_USB_DRIVER
#include "../../Core/USBMode.h"
#if defined(USB_CAN_BE_HOST)
#define __INCLUDE_FROM_CDC_DRIVER
#define __INCLUDE_FROM_CDC_HOST_C
#include "CDCClassHost.h"
uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData)
{
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Endpoint_t* NotificationEndpoint = NULL;
USB_Descriptor_Interface_t* CDCControlInterface = NULL;
memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return CDC_ENUMERROR_InvalidConfigDescriptor;
while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(NotificationEndpoint))
{
if (!(CDCControlInterface) ||
USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
if (NotificationEndpoint)
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return CDC_ENUMERROR_NoCompatibleInterfaceFound;
}
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
}
else
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_CDC_Host_NextCDCControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return CDC_ENUMERROR_NoCompatibleInterfaceFound;
}
CDCControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
NotificationEndpoint = NULL;
}
continue;
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
{
if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
NotificationEndpoint = EndpointData;
else
DataINEndpoint = EndpointData;
}
else
{
DataOUTEndpoint = EndpointData;
}
}
CDCInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize);
CDCInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
CDCInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK;
CDCInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
CDCInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
CDCInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;
CDCInterfaceInfo->Config.NotificationPipe.Size = le16_to_cpu(NotificationEndpoint->EndpointSize);
CDCInterfaceInfo->Config.NotificationPipe.EndpointAddress = NotificationEndpoint->EndpointAddress;
CDCInterfaceInfo->Config.NotificationPipe.Type = EP_TYPE_INTERRUPT;
if (!(Pipe_ConfigurePipeTable(&CDCInterfaceInfo->Config.DataINPipe, 1)))
return CDC_ENUMERROR_PipeConfigurationFailed;
if (!(Pipe_ConfigurePipeTable(&CDCInterfaceInfo->Config.DataOUTPipe, 1)))
return CDC_ENUMERROR_PipeConfigurationFailed;
if (!(Pipe_ConfigurePipeTable(&CDCInterfaceInfo->Config.NotificationPipe, 1)))
return CDC_ENUMERROR_PipeConfigurationFailed;
CDCInterfaceInfo->State.ControlInterfaceNumber = CDCControlInterface->InterfaceNumber;
CDCInterfaceInfo->State.ControlLineStates.HostToDevice = (CDC_CONTROL_LINE_OUT_RTS | CDC_CONTROL_LINE_OUT_DTR);
CDCInterfaceInfo->State.ControlLineStates.DeviceToHost = (CDC_CONTROL_LINE_IN_DCD | CDC_CONTROL_LINE_IN_DSR);
CDCInterfaceInfo->State.IsActive = true;
return CDC_ENUMERROR_NoError;
}
static uint8_t DCOMP_CDC_Host_NextCDCControlInterface(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
if ((Interface->Class == CDC_CSCP_CDCClass) &&
(Interface->SubClass == CDC_CSCP_ACMSubclass) &&
(Interface->Protocol == CDC_CSCP_ATCommandProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DCOMP_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
if ((Interface->Class == CDC_CSCP_CDCDataClass) &&
(Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
(Interface->Protocol == CDC_CSCP_NoDataProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DCOMP_CDC_Host_NextCDCInterfaceEndpoint(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Endpoint)
{
USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
!(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
{
return DESCRIPTOR_SEARCH_Found;
}
}
else if (Header->Type == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}
return DESCRIPTOR_SEARCH_NotFound;
}
void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
return;
Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipe.Address);
Pipe_Unfreeze();
if (Pipe_IsINReceived())
{
USB_Request_Header_t Notification;
Pipe_Read_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NULL);
if ((Notification.bRequest == CDC_NOTIF_SerialState) &&
(Notification.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)))
{
Pipe_Read_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,
sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),
NULL);
Pipe_ClearIN();
EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);
}
else
{
Pipe_ClearIN();
}
}
Pipe_Freeze();
#if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
CDC_Host_Flush(CDCInterfaceInfo);
#endif
}
uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = CDC_REQ_SetLineEncoding,
.wValue = 0,
.wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber,
.wLength = sizeof(CDCInterfaceInfo->State.LineEncoding),
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(&CDCInterfaceInfo->State.LineEncoding);
}
uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = CDC_REQ_SetControlLineState,
.wValue = CDCInterfaceInfo->State.ControlLineStates.HostToDevice,
.wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber,
.wLength = 0,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(NULL);
}
uint8_t CDC_Host_SendBreak(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
const uint8_t Duration)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = CDC_REQ_SendBreak,
.wValue = Duration,
.wIndex = CDCInterfaceInfo->State.ControlInterfaceNumber,
.wLength = 0,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(NULL);
}
uint8_t CDC_Host_SendData(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
const void* const Buffer,
const uint16_t Length)
{
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
return PIPE_READYWAIT_DeviceDisconnected;
uint8_t ErrorCode;
Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
ErrorCode = Pipe_Write_Stream_LE(Buffer, Length, NULL);
Pipe_Freeze();
return ErrorCode;
}
uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
const char* const String)
{
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
return PIPE_READYWAIT_DeviceDisconnected;
uint8_t ErrorCode;
Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
ErrorCode = Pipe_Write_Stream_LE(String, strlen(String), NULL);
Pipe_Freeze();
return ErrorCode;
}
uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
const uint8_t Data)
{
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
return PIPE_READYWAIT_DeviceDisconnected;
uint8_t ErrorCode;
Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if (!(Pipe_IsReadWriteAllowed()))
{
Pipe_ClearOUT();
if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
return ErrorCode;
}
Pipe_Write_8(Data);
Pipe_Freeze();
return PIPE_READYWAIT_NoError;
}
uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
return 0;
Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
if (Pipe_IsINReceived())
{
if (!(Pipe_BytesInPipe()))
{
Pipe_ClearIN();
Pipe_Freeze();
return 0;
}
else
{
Pipe_Freeze();
return Pipe_BytesInPipe();
}
}
else
{
Pipe_Freeze();
return 0;
}
}
int16_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
return -1;
int16_t ReceivedByte = -1;
Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
if (Pipe_IsINReceived())
{
if (Pipe_BytesInPipe())
ReceivedByte = Pipe_Read_8();
if (!(Pipe_BytesInPipe()))
Pipe_ClearIN();
}
Pipe_Freeze();
return ReceivedByte;
}
uint8_t CDC_Host_Flush(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
return PIPE_READYWAIT_DeviceDisconnected;
uint8_t ErrorCode;
Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if (!(Pipe_BytesInPipe()))
return PIPE_READYWAIT_NoError;
bool BankFull = !(Pipe_IsReadWriteAllowed());
Pipe_ClearOUT();
if (BankFull)
{
if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
return ErrorCode;
Pipe_ClearOUT();
}
Pipe_Freeze();
return PIPE_READYWAIT_NoError;
}
#if defined(FDEV_SETUP_STREAM)
void CDC_Host_CreateStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
FILE* const Stream)
{
*Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar, _FDEV_SETUP_RW);
fdev_set_udata(Stream, CDCInterfaceInfo);
}
void CDC_Host_CreateBlockingStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
FILE* const Stream)
{
*Stream = (FILE)FDEV_SETUP_STREAM(CDC_Host_putchar, CDC_Host_getchar_Blocking, _FDEV_SETUP_RW);
fdev_set_udata(Stream, CDCInterfaceInfo);
}
static int CDC_Host_putchar(char c,
FILE* Stream)
{
return CDC_Host_SendByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0;
}
static int CDC_Host_getchar(FILE* Stream)
{
int16_t ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
if (ReceivedByte < 0)
return _FDEV_EOF;
return ReceivedByte;
}
static int CDC_Host_getchar_Blocking(FILE* Stream)
{
int16_t ReceivedByte;
while ((ReceivedByte = CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))) < 0)
{
if (USB_HostState == HOST_STATE_Unattached)
return _FDEV_EOF;
CDC_Host_USBTask((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
USB_USBTask();
}
return ReceivedByte;
}
#endif
void CDC_Host_Event_Stub(void)
{
}
#endif

View file

@ -0,0 +1,351 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
* \brief Host mode driver for the library USB CDC Class driver.
*
* Host mode driver for the library USB CDC Class driver.
*
* \note This file should not be included directly. It is automatically included as needed by the USB module driver
* dispatch header located in LUFA/Drivers/USB.h.
*/
/** \ingroup Group_USBClassCDC
* \defgroup Group_USBClassCDCHost CDC Class Host Mode Driver
*
* \section Sec_USBClassCDCHost_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/USB/Class/Host/CDCClassHost.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
*
* \section Sec_USBClassCDCHost_ModDescription Module Description
* Host Mode USB Class driver framework interface, for the CDC USB Class driver.
*
* @{
*/
#ifndef __CDC_CLASS_HOST_H__
#define __CDC_CLASS_HOST_H__
/* Includes: */
#include "../../USB.h"
#include "../Common/CDCClassCommon.h"
#include <stdio.h>
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_CDC_DRIVER)
#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
#endif
/* Public Interface - May be used in end-application: */
/* Type Defines: */
/** \brief CDC Class Host Mode Configuration and State Structure.
*
* Class state structure. An instance of this structure should be made within the user application,
* and passed to each of the CDC class driver functions as the \c CDCInterfaceInfo parameter. This
* stores each CDC interface's configuration and state information.
*/
typedef struct
{
struct
{
USB_Pipe_Table_t DataINPipe; /**< Data IN Pipe configuration table. */
USB_Pipe_Table_t DataOUTPipe; /**< Data OUT Pipe configuration table. */
USB_Pipe_Table_t NotificationPipe; /**< Notification IN Pipe configuration table. */
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
struct
{
bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
* after \ref CDC_Host_ConfigurePipes() is called and the Host state machine is in the
* Configured state.
*/
uint8_t ControlInterfaceNumber; /**< Interface index of the CDC-ACM control interface within the attached device. */
struct
{
uint16_t HostToDevice; /**< Control line states from the host to device, as a set of \c CDC_CONTROL_LINE_OUT_*
* masks - to notify the device of changes to these values, call the
* \ref CDC_Host_SendControlLineStateChange() function.
*/
uint16_t DeviceToHost; /**< Control line states from the device to host, as a set of \c CDC_CONTROL_LINE_IN_*
* masks. This value is updated each time \ref CDC_Host_USBTask() is called.
*/
} ControlLineStates; /**< Current states of the virtual serial port's control lines between the device and host. */
CDC_LineEncoding_t LineEncoding; /**< Line encoding used in the virtual serial port, for the device's information.
* This is generally only used if the virtual serial port data is to be
* reconstructed on a physical UART. When set by the host application, the
* \ref CDC_Host_SetLineEncoding() function must be called to push the changes
* to the device.
*/
} State; /**< State data for the USB class interface within the device. All elements in this section
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
*/
} USB_ClassInfo_CDC_Host_t;
/* Enums: */
/** Enum for the possible error codes returned by the \ref CDC_Host_ConfigurePipes() function. */
enum CDC_Host_EnumerationFailure_ErrorCodes_t
{
CDC_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */
CDC_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */
CDC_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible CDC interface was not found in the device's Configuration Descriptor. */
CDC_ENUMERROR_PipeConfigurationFailed = 3, /**< One or more pipes for the specified interface could not be configured correctly. */
};
/* Function Prototypes: */
/** General management task for a given CDC host class interface, required for the correct operation of the interface. This should
* be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing an CDC Class host configuration and state.
*/
void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Host interface configuration routine, to configure a given CDC host interface instance using the Configuration
* Descriptor read from an attached USB device. This function automatically updates the given CDC Host instance's
* state values and configures the pipes required to communicate with the interface if it is found within the device.
* This should be called once after the stack has enumerated the attached device, while the host state machine is in
* the Addressed state.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing an CDC Class host configuration and state.
* \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
* \param[in] ConfigDescriptorData Pointer to a buffer containing the attached device's Configuration Descriptor.
*
* \return A value from the \ref CDC_Host_EnumerationFailure_ErrorCodes_t enum.
*/
uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
/** Sets the line encoding for the attached device's virtual serial port. This should be called when the \c LineEncoding
* values of the interface have been changed to push the new settings to the USB device.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Sends a Serial Control Line State Change notification to the device. This should be called when the virtual serial
* control lines (DTR, RTS, etc.) have changed states. Line states persist until they are cleared via a second
* notification. This should be called each time the CDC class driver's \c ControlLineStates.HostToDevice value is updated
* to push the new states to the USB device.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Sends a Send Break request to the device. This is generally used to separate data or to indicate a special condition
* to the receiving device.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
* \param[in] Duration Duration of the break, in milliseconds.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t CDC_Host_SendBreak(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
const uint8_t Duration) ATTR_NON_NULL_PTR_ARG(1);
/** Sends a given data buffer to the attached USB device, if connected. If a device is not connected when the function is
* called, the data will be discarded. Bytes will be queued for transmission to the device until either the pipe bank
* becomes full, or the \ref CDC_Host_Flush() function is called to flush the pending data to the device. This allows for
* multiple bytes to be packed into a single pipe packet, increasing data throughput.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
* \param[in] Buffer Pointer to a buffer containing the data to send to the device.
* \param[in] Length Length of the data to send to the device.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t CDC_Host_SendData(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
const void* const Buffer,
const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1);
/** Sends a given null-terminated string to the attached USB device, if connected. If a device is not connected when the
* function is called, the string is discarded. Bytes will be queued for transmission to the device until either the pipe
* bank becomes full, or the \ref CDC_Host_Flush() function is called to flush the pending data to the device. This allows
* for multiple bytes to be packed into a single pipe packet, increasing data throughput.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
* \param[in] String Pointer to the null terminated string to send to the device.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
const char* const String) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** Sends a given byte to the attached USB device, if connected. If a device is not connected when the function is called, the
* byte is discarded. Bytes will be queued for transmission to the device until either the pipe bank becomes full, or the
* \ref CDC_Host_Flush() function is called to flush the pending data to the host. This allows for multiple bytes to be
* packed into a single pipe packet, increasing data throughput.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
* \param[in] Data Byte of data to send to the device.
*
* \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum.
*/
uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
const uint8_t Data) ATTR_NON_NULL_PTR_ARG(1);
/** Determines the number of bytes received by the CDC interface from the device, waiting to be read. This indicates the number
* of bytes in the IN pipe bank only, and thus the number of calls to \ref CDC_Host_ReceiveByte() which are guaranteed to succeed
* immediately. If multiple bytes are to be received, they should be buffered by the user application, as the pipe bank will not be
* released back to the USB controller until all bytes are read.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
*
* \return Total number of buffered bytes received from the device.
*/
uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Reads a byte of data from the device. If no data is waiting to be read of if a USB device is not connected, the function
* returns a negative value. The \ref CDC_Host_BytesReceived() function may be queried in advance to determine how many bytes
* are currently buffered in the CDC interface's data receive pipe.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
*
* \return Next received byte from the device, or a negative value if no data received.
*/
int16_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Flushes any data waiting to be sent, ensuring that the send buffer is cleared.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
*
* \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum.
*/
uint8_t CDC_Host_Flush(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
#if defined(FDEV_SETUP_STREAM) || defined(__DOXYGEN__)
/** Creates a standard character stream for the given CDC Device instance so that it can be used with all the regular
* functions in the standard \c <stdio.h> library that accept a \c FILE stream as a destination (e.g. \c fprintf). The created
* stream is bidirectional and can be used for both input and output functions.
*
* Reading data from this stream is non-blocking, i.e. in most instances, complete strings cannot be read in by a single
* fetch, as the endpoint will not be ready at some point in the transmission, aborting the transfer. However, this may
* be used when the read data is processed byte-per-bye (via \c getc()) or when the user application will implement its own
* line buffering.
*
* \note The created stream can be given as \c stdout if desired to direct the standard output from all \c <stdio.h> functions
* to the given CDC interface.
* \n\n
*
* \note This function is not available on all microcontroller architectures.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
* \param[in,out] Stream Pointer to a FILE structure where the created stream should be placed.
*/
void CDC_Host_CreateStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
FILE* const Stream) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** Identical to \ref CDC_Host_CreateStream(), except that reads are blocking until the calling stream function terminates
* the transfer. While blocking, the USB and CDC service tasks are called repeatedly to maintain USB communications.
*
* \note This function is not available on all microcontroller architectures.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class configuration and state.
* \param[in,out] Stream Pointer to a FILE structure where the created stream should be placed.
*/
void CDC_Host_CreateBlockingStream(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo,
FILE* const Stream) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
#endif
/** CDC class driver event for a control line state change on a CDC host interface. This event fires each time the device notifies
* the host of a control line state change (containing the virtual serial control line states, such as DCD) and may be hooked in the
* user program by declaring a handler function with the same name and parameters listed here. The new control line states
* are available in the \c ControlLineStates.DeviceToHost value inside the CDC host interface structure passed as a parameter, set as
* a mask of \c CDC_CONTROL_LINE_IN_* masks.
*
* \param[in,out] CDCInterfaceInfo Pointer to a structure containing a CDC Class host configuration and state.
*/
void EVENT_CDC_Host_ControLineStateChanged(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Function Prototypes: */
#if defined(__INCLUDE_FROM_CDC_HOST_C)
#if defined(FDEV_SETUP_STREAM)
static int CDC_Host_putchar(char c,
FILE* Stream) ATTR_NON_NULL_PTR_ARG(2);
static int CDC_Host_getchar(FILE* Stream) ATTR_NON_NULL_PTR_ARG(1);
static int CDC_Host_getchar_Blocking(FILE* Stream) ATTR_NON_NULL_PTR_ARG(1);
#endif
void CDC_Host_Event_Stub(void) ATTR_CONST;
void EVENT_CDC_Host_ControLineStateChanged(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
ATTR_WEAK ATTR_NON_NULL_PTR_ARG(1) ATTR_ALIAS(CDC_Host_Event_Stub);
static uint8_t DCOMP_CDC_Host_NextCDCControlInterface(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
static uint8_t DCOMP_CDC_Host_NextCDCDataInterface(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
static uint8_t DCOMP_CDC_Host_NextCDCInterfaceEndpoint(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
#endif
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

View file

@ -0,0 +1,399 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#define __INCLUDE_FROM_USB_DRIVER
#include "../../Core/USBMode.h"
#if defined(USB_CAN_BE_HOST)
#define __INCLUDE_FROM_HID_DRIVER
#define __INCLUDE_FROM_HID_HOST_C
#include "HIDClassHost.h"
uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData)
{
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Interface_t* HIDInterface = NULL;
USB_HID_Descriptor_HID_t* HIDDescriptor = NULL;
memset(&HIDInterfaceInfo->State, 0x00, sizeof(HIDInterfaceInfo->State));
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return HID_ENUMERROR_InvalidConfigDescriptor;
while (!(DataINEndpoint) || !(DataOUTEndpoint))
{
if (!(HIDInterface) ||
USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_HID_Host_NextHIDInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
if (DataINEndpoint)
break;
do
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_HID_Host_NextHIDInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return HID_ENUMERROR_NoCompatibleInterfaceFound;
}
HIDInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
} while (HIDInterfaceInfo->Config.HIDInterfaceProtocol &&
(HIDInterface->Protocol != HIDInterfaceInfo->Config.HIDInterfaceProtocol));
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_HID_Host_NextHIDDescriptor) != DESCRIPTOR_SEARCH_COMP_Found)
{
return HID_ENUMERROR_NoCompatibleInterfaceFound;
}
HIDDescriptor = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_HID_Descriptor_HID_t);
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
continue;
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
DataINEndpoint = EndpointData;
else
DataOUTEndpoint = EndpointData;
}
HIDInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize);
HIDInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
HIDInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_INTERRUPT;
if (!(Pipe_ConfigurePipeTable(&HIDInterfaceInfo->Config.DataINPipe, 1)))
return HID_ENUMERROR_PipeConfigurationFailed;
if (DataOUTEndpoint)
{
HIDInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
HIDInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
HIDInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_INTERRUPT;
if (!(Pipe_ConfigurePipeTable(&HIDInterfaceInfo->Config.DataOUTPipe, 1)))
return HID_ENUMERROR_PipeConfigurationFailed;
}
HIDInterfaceInfo->State.InterfaceNumber = HIDInterface->InterfaceNumber;
HIDInterfaceInfo->State.HIDReportSize = LE16_TO_CPU(HIDDescriptor->HIDReportLength);
HIDInterfaceInfo->State.SupportsBootProtocol = (HIDInterface->SubClass != HID_CSCP_NonBootProtocol);
HIDInterfaceInfo->State.LargestReportSize = 8;
HIDInterfaceInfo->State.IsActive = true;
return HID_ENUMERROR_NoError;
}
static uint8_t DCOMP_HID_Host_NextHIDInterface(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
if (Interface->Class == HID_CSCP_HIDClass)
return DESCRIPTOR_SEARCH_Found;
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DCOMP_HID_Host_NextHIDDescriptor(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == HID_DTYPE_HID)
return DESCRIPTOR_SEARCH_Found;
else if (Header->Type == DTYPE_Interface)
return DESCRIPTOR_SEARCH_Fail;
else
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DCOMP_HID_Host_NextHIDInterfaceEndpoint(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Endpoint)
{
USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
if (!(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
return DESCRIPTOR_SEARCH_Found;
}
else if (Header->Type == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}
return DESCRIPTOR_SEARCH_NotFound;
}
#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
uint8_t HID_Host_ReceiveReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
const uint8_t ReportID,
void* Buffer)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = HID_REQ_SetReport,
.wValue = ((HID_REPORT_ITEM_In + 1) << 8) | ReportID,
.wIndex = HIDInterfaceInfo->State.InterfaceNumber,
.wLength = USB_GetHIDReportSize(HIDInterfaceInfo->Config.HIDParserData, ReportID, HID_REPORT_ITEM_In),
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(Buffer);
}
#endif
uint8_t HID_Host_ReceiveReport(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
void* Buffer)
{
if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.IsActive))
return PIPE_READYWAIT_DeviceDisconnected;
uint8_t ErrorCode;
Pipe_SelectPipe(HIDInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
uint16_t ReportSize;
uint8_t* BufferPos = Buffer;
#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
if (!(HIDInterfaceInfo->State.UsingBootProtocol))
{
uint8_t ReportID = 0;
if (HIDInterfaceInfo->Config.HIDParserData->UsingReportIDs)
{
ReportID = Pipe_Read_8();
*(BufferPos++) = ReportID;
}
ReportSize = USB_GetHIDReportSize(HIDInterfaceInfo->Config.HIDParserData, ReportID, HID_REPORT_ITEM_In);
}
else
#endif
{
ReportSize = Pipe_BytesInPipe();
}
if ((ErrorCode = Pipe_Read_Stream_LE(BufferPos, ReportSize, NULL)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
Pipe_ClearIN();
Pipe_Freeze();
return PIPE_RWSTREAM_NoError;
}
uint8_t HID_Host_SendReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
const uint8_t ReportID,
#endif
const uint8_t ReportType,
void* Buffer,
const uint16_t ReportSize)
{
#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_NoError;
if (HIDInterfaceInfo->State.DeviceUsesOUTPipe && (ReportType == HID_REPORT_ITEM_Out))
{
uint8_t ErrorCode;
Pipe_SelectPipe(HIDInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if (ReportID)
Pipe_Write_Stream_LE(&ReportID, sizeof(ReportID), NULL);
if ((ErrorCode = Pipe_Write_Stream_LE(Buffer, ReportSize, NULL)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
Pipe_ClearOUT();
Pipe_Freeze();
return PIPE_RWSTREAM_NoError;
}
else
#endif
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = HID_REQ_SetReport,
#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
.wValue = ((ReportType + 1) << 8) | ReportID,
#else
.wValue = ((ReportType + 1) << 8),
#endif
.wIndex = HIDInterfaceInfo->State.InterfaceNumber,
.wLength = ReportSize,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(Buffer);
}
}
bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(HIDInterfaceInfo->State.IsActive))
return false;
bool ReportReceived;
Pipe_SelectPipe(HIDInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
ReportReceived = Pipe_IsINReceived();
Pipe_Freeze();
return ReportReceived;
}
uint8_t HID_Host_SetBootProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo)
{
uint8_t ErrorCode;
if (!(HIDInterfaceInfo->State.SupportsBootProtocol))
return HID_ERROR_LOGICAL;
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = HID_REQ_SetProtocol,
.wValue = 0,
.wIndex = HIDInterfaceInfo->State.InterfaceNumber,
.wLength = 0,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
return ErrorCode;
HIDInterfaceInfo->State.LargestReportSize = 8;
HIDInterfaceInfo->State.UsingBootProtocol = true;
return HOST_SENDCONTROL_Successful;
}
uint8_t HID_Host_SetIdlePeriod(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
const uint16_t MS)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = HID_REQ_SetIdle,
.wValue = ((MS << 6) & 0xFF00),
.wIndex = HIDInterfaceInfo->State.InterfaceNumber,
.wLength = 0,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(NULL);
}
#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
uint8_t HID_Host_SetReportProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo)
{
uint8_t ErrorCode;
uint8_t HIDReportData[HIDInterfaceInfo->State.HIDReportSize];
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_INTERFACE),
.bRequest = REQ_GetDescriptor,
.wValue = (HID_DTYPE_Report << 8),
.wIndex = HIDInterfaceInfo->State.InterfaceNumber,
.wLength = HIDInterfaceInfo->State.HIDReportSize,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
if ((ErrorCode = USB_Host_SendControlRequest(HIDReportData)) != HOST_SENDCONTROL_Successful)
return ErrorCode;
if (HIDInterfaceInfo->State.UsingBootProtocol)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = HID_REQ_SetProtocol,
.wValue = 1,
.wIndex = HIDInterfaceInfo->State.InterfaceNumber,
.wLength = 0,
};
if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
return ErrorCode;
HIDInterfaceInfo->State.UsingBootProtocol = false;
}
if (HIDInterfaceInfo->Config.HIDParserData == NULL)
return HID_ERROR_LOGICAL;
if ((ErrorCode = USB_ProcessHIDReport(HIDReportData, HIDInterfaceInfo->State.HIDReportSize,
HIDInterfaceInfo->Config.HIDParserData)) != HID_PARSE_Successful)
{
return HID_ERROR_LOGICAL | ErrorCode;
}
uint16_t LargestReportSizeBits = HIDInterfaceInfo->Config.HIDParserData->LargestReportSizeBits;
HIDInterfaceInfo->State.LargestReportSize = (LargestReportSizeBits >> 3) + ((LargestReportSizeBits & 0x07) != 0);
return 0;
}
#endif
#endif

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@ -0,0 +1,313 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
* \brief Host mode driver for the library USB HID Class driver.
*
* Host mode driver for the library USB HID Class driver.
*
* \note This file should not be included directly. It is automatically included as needed by the USB module driver
* dispatch header located in LUFA/Drivers/USB.h.
*/
/** \ingroup Group_USBClassHID
* \defgroup Group_USBClassHIDHost HID Class Host Mode Driver
*
* \section Sec_USBClassHIDHost_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/USB/Class/Host/HIDClassHost.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
*
* \section Sec_USBClassHIDHost_ModDescription Module Description
* Host Mode USB Class driver framework interface, for the HID USB Class driver.
*
* @{
*/
#ifndef __HID_CLASS_HOST_H__
#define __HID_CLASS_HOST_H__
/* Includes: */
#include "../../USB.h"
#include "../Common/HIDClassCommon.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_HID_DRIVER)
#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
#endif
/* Public Interface - May be used in end-application: */
/* Macros: */
/** Error code for some HID Host functions, indicating a logical (and not hardware) error. */
#define HID_ERROR_LOGICAL 0x80
/* Type Defines: */
/** \brief HID Class Host Mode Configuration and State Structure.
*
* Class state structure. An instance of this structure should be made within the user application,
* and passed to each of the HID class driver functions as the \c HIDInterfaceInfo parameter. This
* stores each HID interface's configuration and state information.
*/
typedef struct
{
struct
{
USB_Pipe_Table_t DataINPipe; /**< Data IN Pipe configuration table. */
USB_Pipe_Table_t DataOUTPipe; /**< Data OUT Pipe configuration table. */
uint8_t HIDInterfaceProtocol; /**< HID interface protocol value to match against if a specific
* boot subclass protocol is required, a protocol value from the
* \ref HID_Descriptor_ClassSubclassProtocol_t enum.
*/
#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
HID_ReportInfo_t* HIDParserData; /**< HID parser data to store the parsed HID report data, when boot protocol
* is not used.
*
* \note When the \c HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined,
* this field is unavailable.
*/
#endif
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
struct
{
bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
* after \ref HID_Host_ConfigurePipes() is called and the Host state machine is in the
* Configured state.
*/
uint8_t InterfaceNumber; /**< Interface index of the HID interface within the attached device. */
bool SupportsBootProtocol; /**< Indicates if the current interface instance supports the HID Boot
* Protocol when enabled via \ref HID_Host_SetBootProtocol().
*/
bool DeviceUsesOUTPipe; /**< Indicates if the current interface instance uses a separate OUT data pipe for
* OUT reports, or if OUT reports are sent via the control pipe instead.
*/
bool UsingBootProtocol; /**< Indicates that the interface is currently initialized in Boot Protocol mode */
uint16_t HIDReportSize; /**< Size in bytes of the HID report descriptor in the device. */
uint8_t LargestReportSize; /**< Largest report the device will send, in bytes. */
} State; /**< State data for the USB class interface within the device. All elements in this section
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
*/
} USB_ClassInfo_HID_Host_t;
/* Enums: */
/** Enum for the possible error codes returned by the \ref HID_Host_ConfigurePipes() function. */
enum HID_Host_EnumerationFailure_ErrorCodes_t
{
HID_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */
HID_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */
HID_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible HID interface was not found in the device's Configuration Descriptor. */
HID_ENUMERROR_PipeConfigurationFailed = 3, /**< One or more pipes for the specified interface could not be configured correctly. */
};
/* Function Prototypes: */
/** Host interface configuration routine, to configure a given HID host interface instance using the Configuration
* Descriptor read from an attached USB device. This function automatically updates the given HID Host instance's
* state values and configures the pipes required to communicate with the interface if it is found within the
* device. This should be called once after the stack has enumerated the attached device, while the host state
* machine is in the Addressed state.
*
* \attention Once the device pipes are configured, the HID device's reporting protocol <b>must</b> be set via a call
* to either the \ref HID_Host_SetBootProtocol() or \ref HID_Host_SetReportProtocol() function.
*
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state.
* \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
* \param[in] ConfigDescriptorData Pointer to a buffer containing the attached device's Configuration Descriptor.
*
* \return A value from the \ref HID_Host_EnumerationFailure_ErrorCodes_t enum.
*/
uint8_t HID_Host_ConfigurePipes(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
/** Receives a HID IN report from the attached HID device, when a report has been received on the HID IN Data pipe.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \attention The destination buffer should be large enough to accommodate the largest report that the attached device
* can generate.
*
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state.
* \param[in] Buffer Buffer to store the received report into.
*
* \return An error code from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t HID_Host_ReceiveReport(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
void* Buffer) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
/** Receives a HID IN report from the attached device, by the report ID.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \note When the \c HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, this method is unavailable.
*
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state.
* \param[in] ReportID Report ID of the received report if ControlRequest is false, set by the to the Report ID to fetch.
* \param[in] Buffer Buffer to store the received report into.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t HID_Host_ReceiveReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
const uint8_t ReportID,
void* Buffer) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
#endif
/** Sends an OUT or FEATURE report to the currently attached HID device, using the device's OUT pipe if available,
* or the device's Control pipe if not.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \note When the \c HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, the ReportID parameter is removed
* from the parameter list of this function.
*
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state.
* \param[in] ReportID Report ID of the report to send to the device, or 0 if the device does not use report IDs.
* \param[in] ReportType Type of report to issue to the device, either \ref HID_REPORT_ITEM_Out or \ref HID_REPORT_ITEM_Feature.
* \param[in] Buffer Buffer containing the report to send to the attached device.
* \param[in] ReportSize Report size in bytes to send to the attached device.
*
* \return An error code from the \ref USB_Host_SendControlErrorCodes_t enum if the DeviceUsesOUTPipe flag is set in
* the interface's state structure, a value from the \ref Pipe_Stream_RW_ErrorCodes_t enum otherwise.
*/
uint8_t HID_Host_SendReportByID(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
const uint8_t ReportID,
#endif
const uint8_t ReportType,
void* Buffer,
const uint16_t ReportSize) ATTR_NON_NULL_PTR_ARG(1)
#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
ATTR_NON_NULL_PTR_ARG(4);
#else
ATTR_NON_NULL_PTR_ARG(3);
#endif
/** Determines if a HID IN report has been received from the attached device on the data IN pipe.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state.
*
* \return Boolean \c true if a report has been received, \c false otherwise.
*/
bool HID_Host_IsReportReceived(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Switches the attached HID device's reporting protocol over to the Boot Report protocol mode, on supported devices.
*
* \note When the \c HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, this method must still be called
* to explicitly place the attached device into boot protocol mode before use.
*
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state.
*
* \return \ref HID_ERROR_LOGICAL if the device does not support Boot Protocol mode, a value from the
* \ref USB_Host_SendControlErrorCodes_t enum otherwise.
*/
uint8_t HID_Host_SetBootProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Sets the idle period for the attached HID device to the specified interval. The HID idle period determines the rate
* at which the device should send a report, when no state changes have occurred; i.e. on HID keyboards, this sets the
* hardware key repeat interval.
*
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state.
* \param[in] MS Idle period as a multiple of four milliseconds, zero to disable hardware repeats
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t HID_Host_SetIdlePeriod(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo,
const uint16_t MS) ATTR_NON_NULL_PTR_ARG(1);
#if !defined(HID_HOST_BOOT_PROTOCOL_ONLY)
/** Switches the attached HID device's reporting protocol over to the standard Report protocol mode. This also retrieves
* and parses the device's HID report descriptor, so that the size of each report can be determined in advance.
*
* \attention Whether this function is used or not, the \ref CALLBACK_HIDParser_FilterHIDReportItem() callback from the HID
* Report Parser this function references <b>must</b> be implemented in the user code.
*
* \note When the \c HID_HOST_BOOT_PROTOCOL_ONLY compile time token is defined, this method is unavailable.
*
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum if an error occurs while retrieving the HID
* Report descriptor or the setting of the Report protocol, \ref HID_ERROR_LOGICAL if the HID interface does
* not have a valid \ref HID_ReportInfo_t structure set in its configuration, a mask of \ref HID_ERROR_LOGICAL
* and a value from the \ref HID_Parse_ErrorCodes_t otherwise.
*/
uint8_t HID_Host_SetReportProtocol(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
#endif
/* Inline Functions: */
/** General management task for a given Human Interface Class host class interface, required for the correct operation of
* the interface. This should be called frequently in the main program loop, before the master USB management task
* \ref USB_USBTask().
*
* \param[in,out] HIDInterfaceInfo Pointer to a structure containing a HID Class host configuration and state.
*/
static inline void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
static inline void HID_Host_USBTask(USB_ClassInfo_HID_Host_t* const HIDInterfaceInfo)
{
(void)HIDInterfaceInfo;
}
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Function Prototypes: */
#if defined(__INCLUDE_FROM_HID_HOST_C)
static uint8_t DCOMP_HID_Host_NextHIDInterface(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
static uint8_t DCOMP_HID_Host_NextHIDDescriptor(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
static uint8_t DCOMP_HID_Host_NextHIDInterfaceEndpoint(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
#endif
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

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@ -0,0 +1,231 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#define __INCLUDE_FROM_USB_DRIVER
#include "../../Core/USBMode.h"
#if defined(USB_CAN_BE_HOST)
#define __INCLUDE_FROM_MIDI_DRIVER
#define __INCLUDE_FROM_MIDI_HOST_C
#include "MIDIClassHost.h"
uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData)
{
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Interface_t* MIDIInterface = NULL;
memset(&MIDIInterfaceInfo->State, 0x00, sizeof(MIDIInterfaceInfo->State));
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return MIDI_ENUMERROR_InvalidConfigDescriptor;
while (!(DataINEndpoint) || !(DataOUTEndpoint))
{
if (!(MIDIInterface) ||
USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_MIDI_Host_NextMIDIStreamingDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_MIDI_Host_NextMIDIStreamingInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return MIDI_ENUMERROR_NoCompatibleInterfaceFound;
}
MIDIInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
continue;
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
DataINEndpoint = EndpointData;
else
DataOUTEndpoint = EndpointData;
}
MIDIInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize);
MIDIInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
MIDIInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK;
MIDIInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
MIDIInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
MIDIInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;
if (!(Pipe_ConfigurePipeTable(&MIDIInterfaceInfo->Config.DataINPipe, 1)))
return MIDI_ENUMERROR_PipeConfigurationFailed;
if (!(Pipe_ConfigurePipeTable(&MIDIInterfaceInfo->Config.DataOUTPipe, 1)))
return MIDI_ENUMERROR_PipeConfigurationFailed;
MIDIInterfaceInfo->State.InterfaceNumber = MIDIInterface->InterfaceNumber;
MIDIInterfaceInfo->State.IsActive = true;
return MIDI_ENUMERROR_NoError;
}
static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingInterface(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
if ((Interface->Class == AUDIO_CSCP_AudioClass) &&
(Interface->SubClass == AUDIO_CSCP_MIDIStreamingSubclass) &&
(Interface->Protocol == AUDIO_CSCP_StreamingProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingDataEndpoint(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Endpoint)
{
USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
if ((EndpointType == EP_TYPE_BULK) && !(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
return DESCRIPTOR_SEARCH_Found;
}
else if (Header->Type == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}
return DESCRIPTOR_SEARCH_NotFound;
}
void MIDI_Host_USBTask(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive))
return;
#if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
MIDI_Host_Flush(MIDIInterfaceInfo);
#endif
}
uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
uint8_t ErrorCode;
Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if (Pipe_BytesInPipe())
{
Pipe_ClearOUT();
if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
{
Pipe_Freeze();
return ErrorCode;
}
}
Pipe_Freeze();
return PIPE_READYWAIT_NoError;
}
uint8_t MIDI_Host_SendEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
MIDI_EventPacket_t* const Event)
{
if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
uint8_t ErrorCode;
Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if ((ErrorCode = Pipe_Write_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL)) != PIPE_RWSTREAM_NoError)
{
Pipe_Freeze();
return ErrorCode;
}
if (!(Pipe_IsReadWriteAllowed()))
Pipe_ClearOUT();
Pipe_Freeze();
return PIPE_RWSTREAM_NoError;
}
bool MIDI_Host_ReceiveEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
MIDI_EventPacket_t* const Event)
{
if ((USB_HostState != HOST_STATE_Configured) || !(MIDIInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
bool DataReady = false;
Pipe_SelectPipe(MIDIInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
if (Pipe_IsINReceived())
{
if (Pipe_BytesInPipe())
{
Pipe_Read_Stream_LE(Event, sizeof(MIDI_EventPacket_t), NULL);
DataReady = true;
}
if (!(Pipe_BytesInPipe()))
Pipe_ClearIN();
}
Pipe_Freeze();
return DataReady;
}
#endif

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/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
* \brief Host mode driver for the library USB MIDI Class driver.
*
* Host mode driver for the library USB MIDI Class driver.
*
* \note This file should not be included directly. It is automatically included as needed by the USB module driver
* dispatch header located in LUFA/Drivers/USB.h.
*/
/** \ingroup Group_USBClassMIDI
* \defgroup Group_USBClassMIDIHost MIDI Class Host Mode Driver
*
* \section Sec_USBClassMIDIHost_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/USB/Class/Host/MIDIClassHost.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
*
* \section Sec_USBClassMIDIHost_ModDescription Module Description
* Host Mode USB Class driver framework interface, for the MIDI USB Class driver.
*
* @{
*/
#ifndef __MIDI_CLASS_HOST_H__
#define __MIDI_CLASS_HOST_H__
/* Includes: */
#include "../../USB.h"
#include "../Common/MIDIClassCommon.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_MIDI_DRIVER)
#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
#endif
/* Public Interface - May be used in end-application: */
/* Type Defines: */
/** \brief MIDI Class Host Mode Configuration and State Structure.
*
* Class state structure. An instance of this structure should be made within the user application,
* and passed to each of the MIDI class driver functions as the \c MIDIInterfaceInfo parameter. This
* stores each MIDI interface's configuration and state information.
*/
typedef struct
{
struct
{
USB_Pipe_Table_t DataINPipe; /**< Data IN Pipe configuration table. */
USB_Pipe_Table_t DataOUTPipe; /**< Data OUT Pipe configuration table. */
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
struct
{
bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
* after \ref MIDI_Host_ConfigurePipes() is called and the Host state machine is in the
* Configured state.
*/
uint8_t InterfaceNumber; /**< Interface index of the MIDI interface within the attached device. */
} State; /**< State data for the USB class interface within the device. All elements in this section
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
*/
} USB_ClassInfo_MIDI_Host_t;
/* Enums: */
/** Enum for the possible error codes returned by the \ref MIDI_Host_ConfigurePipes() function. */
enum MIDI_Host_EnumerationFailure_ErrorCodes_t
{
MIDI_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */
MIDI_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */
MIDI_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible MIDI interface was not found in the device's Configuration Descriptor. */
MIDI_ENUMERROR_PipeConfigurationFailed = 3, /**< One or more pipes for the specified interface could not be configured correctly. */
};
/* Function Prototypes: */
/** Host interface configuration routine, to configure a given MIDI host interface instance using the Configuration
* Descriptor read from an attached USB device. This function automatically updates the given MIDI Host instance's
* state values and configures the pipes required to communicate with the interface if it is found within the device.
* This should be called once after the stack has enumerated the attached device, while the host state machine is in
* the Addressed state.
*
* \param[in,out] MIDIInterfaceInfo Pointer to a structure containing an MIDI Class host configuration and state.
* \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
* \param[in] ConfigDescriptorData Pointer to a buffer containing the attached device's Configuration Descriptor.
*
* \return A value from the \ref MIDI_Host_EnumerationFailure_ErrorCodes_t enum.
*/
uint8_t MIDI_Host_ConfigurePipes(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
/** General management task for a given MIDI host class interface, required for the correct operation of the interface. This should
* be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
*
* \param[in,out] MIDIInterfaceInfo Pointer to a structure containing an MIDI Class host configuration and state.
*/
void MIDI_Host_USBTask(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Sends a MIDI event packet to the device. If no device is connected, the event packet is discarded.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
* \param[in] Event Pointer to a populated USB_MIDI_EventPacket_t structure containing the MIDI event to send.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t MIDI_Host_SendEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
MIDI_EventPacket_t* const Event) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** Flushes the MIDI send buffer, sending any queued MIDI events to the device. This should be called to override the
* \ref MIDI_Host_SendEventPacket() function's packing behavior, to flush queued events. Events are queued into the
* pipe bank until either the pipe bank is full, or \ref MIDI_Host_Flush() is called. This allows for multiple MIDI
* events to be packed into a single pipe packet, increasing data throughput.
*
* \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
*
* \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum.
*/
uint8_t MIDI_Host_Flush(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Receives a MIDI event packet from the device.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] MIDIInterfaceInfo Pointer to a structure containing a MIDI Class configuration and state.
* \param[out] Event Pointer to a USB_MIDI_EventPacket_t structure where the received MIDI event is to be placed.
*
* \return Boolean \c true if a MIDI event packet was received, \c false otherwise.
*/
bool MIDI_Host_ReceiveEventPacket(USB_ClassInfo_MIDI_Host_t* const MIDIInterfaceInfo,
MIDI_EventPacket_t* const Event) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Function Prototypes: */
#if defined(__INCLUDE_FROM_MIDI_HOST_C)
static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingInterface(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
static uint8_t DCOMP_MIDI_Host_NextMIDIStreamingDataEndpoint(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
#endif
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

View file

@ -0,0 +1,579 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#define __INCLUDE_FROM_USB_DRIVER
#include "../../Core/USBMode.h"
#if defined(USB_CAN_BE_HOST)
#define __INCLUDE_FROM_MS_DRIVER
#define __INCLUDE_FROM_MASSSTORAGE_HOST_C
#include "MassStorageClassHost.h"
uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData)
{
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Interface_t* MassStorageInterface = NULL;
memset(&MSInterfaceInfo->State, 0x00, sizeof(MSInterfaceInfo->State));
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return MS_ENUMERROR_InvalidConfigDescriptor;
while (!(DataINEndpoint) || !(DataOUTEndpoint))
{
if (!(MassStorageInterface) ||
USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_MS_Host_NextMSInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_MS_Host_NextMSInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return MS_ENUMERROR_NoCompatibleInterfaceFound;
}
MassStorageInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
continue;
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
DataINEndpoint = EndpointData;
else
DataOUTEndpoint = EndpointData;
}
MSInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize);
MSInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
MSInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK;
MSInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
MSInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
MSInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;
if (!(Pipe_ConfigurePipeTable(&MSInterfaceInfo->Config.DataINPipe, 1)))
return MS_ENUMERROR_PipeConfigurationFailed;
if (!(Pipe_ConfigurePipeTable(&MSInterfaceInfo->Config.DataOUTPipe, 1)))
return MS_ENUMERROR_PipeConfigurationFailed;
MSInterfaceInfo->State.InterfaceNumber = MassStorageInterface->InterfaceNumber;
MSInterfaceInfo->State.IsActive = true;
return MS_ENUMERROR_NoError;
}
static uint8_t DCOMP_MS_Host_NextMSInterface(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
if ((Interface->Class == MS_CSCP_MassStorageClass) &&
(Interface->SubClass == MS_CSCP_SCSITransparentSubclass) &&
(Interface->Protocol == MS_CSCP_BulkOnlyTransportProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DCOMP_MS_Host_NextMSInterfaceEndpoint(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Endpoint)
{
USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
if ((EndpointType == EP_TYPE_BULK) && (!(Pipe_IsEndpointBound(Endpoint->EndpointAddress))))
{
return DESCRIPTOR_SEARCH_Found;
}
}
else if (Header->Type == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
MS_CommandBlockWrapper_t* const SCSICommandBlock,
const void* const BufferPtr)
{
uint8_t ErrorCode = PIPE_RWSTREAM_NoError;
if (++MSInterfaceInfo->State.TransactionTag == 0xFFFFFFFF)
MSInterfaceInfo->State.TransactionTag = 1;
SCSICommandBlock->Signature = CPU_TO_LE32(MS_CBW_SIGNATURE);
SCSICommandBlock->Tag = cpu_to_le32(MSInterfaceInfo->State.TransactionTag);
Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if ((ErrorCode = Pipe_Write_Stream_LE(SCSICommandBlock, sizeof(MS_CommandBlockWrapper_t),
NULL)) != PIPE_RWSTREAM_NoError)
{
return ErrorCode;
}
Pipe_ClearOUT();
Pipe_WaitUntilReady();
Pipe_Freeze();
if (BufferPtr != NULL)
{
ErrorCode = MS_Host_SendReceiveData(MSInterfaceInfo, SCSICommandBlock, (void*)BufferPtr);
if ((ErrorCode != PIPE_RWSTREAM_NoError) && (ErrorCode != PIPE_RWSTREAM_PipeStalled))
{
Pipe_Freeze();
return ErrorCode;
}
}
MS_CommandStatusWrapper_t SCSIStatusBlock;
return MS_Host_GetReturnedStatus(MSInterfaceInfo, &SCSIStatusBlock);
}
static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo)
{
uint16_t TimeoutMSRem = MS_COMMAND_DATA_TIMEOUT_MS;
uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber();
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
while (!(Pipe_IsINReceived()))
{
uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber();
if (CurrentFrameNumber != PreviousFrameNumber)
{
PreviousFrameNumber = CurrentFrameNumber;
if (!(TimeoutMSRem--))
return PIPE_RWSTREAM_Timeout;
}
Pipe_Freeze();
Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if (Pipe_IsStalled())
{
USB_Host_ClearEndpointStall(Pipe_GetBoundEndpointAddress());
return PIPE_RWSTREAM_PipeStalled;
}
Pipe_Freeze();
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
if (Pipe_IsStalled())
{
USB_Host_ClearEndpointStall(Pipe_GetBoundEndpointAddress());
return PIPE_RWSTREAM_PipeStalled;
}
if (USB_HostState == HOST_STATE_Unattached)
return PIPE_RWSTREAM_DeviceDisconnected;
};
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipe.Address);
Pipe_Freeze();
Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Freeze();
return PIPE_RWSTREAM_NoError;
}
static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
MS_CommandBlockWrapper_t* const SCSICommandBlock,
void* BufferPtr)
{
uint8_t ErrorCode = PIPE_RWSTREAM_NoError;
uint16_t BytesRem = le32_to_cpu(SCSICommandBlock->DataTransferLength);
if (SCSICommandBlock->Flags & MS_COMMAND_DIR_DATA_IN)
{
if ((ErrorCode = MS_Host_WaitForDataReceived(MSInterfaceInfo)) != PIPE_RWSTREAM_NoError)
{
Pipe_Freeze();
return ErrorCode;
}
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
if ((ErrorCode = Pipe_Read_Stream_LE(BufferPtr, BytesRem, NULL)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
Pipe_ClearIN();
}
else
{
Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if ((ErrorCode = Pipe_Write_Stream_LE(BufferPtr, BytesRem, NULL)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
Pipe_ClearOUT();
while (!(Pipe_IsOUTReady()))
{
if (USB_HostState == HOST_STATE_Unattached)
return PIPE_RWSTREAM_DeviceDisconnected;
}
}
Pipe_Freeze();
return ErrorCode;
}
static uint8_t MS_Host_GetReturnedStatus(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
MS_CommandStatusWrapper_t* const SCSICommandStatus)
{
uint8_t ErrorCode = PIPE_RWSTREAM_NoError;
if ((ErrorCode = MS_Host_WaitForDataReceived(MSInterfaceInfo)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
if ((ErrorCode = Pipe_Read_Stream_LE(SCSICommandStatus, sizeof(MS_CommandStatusWrapper_t),
NULL)) != PIPE_RWSTREAM_NoError)
{
return ErrorCode;
}
Pipe_ClearIN();
Pipe_Freeze();
if (SCSICommandStatus->Status != MS_SCSI_COMMAND_Pass)
ErrorCode = MS_ERROR_LOGICAL_CMD_FAILED;
return ErrorCode;
}
uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo)
{
uint8_t ErrorCode;
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = MS_REQ_MassStorageReset,
.wValue = 0,
.wIndex = MSInterfaceInfo->State.InterfaceNumber,
.wLength = 0,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)
return ErrorCode;
Pipe_SelectPipe(MSInterfaceInfo->Config.DataINPipe.Address);
if ((ErrorCode = USB_Host_ClearEndpointStall(Pipe_GetBoundEndpointAddress())) != HOST_SENDCONTROL_Successful)
return ErrorCode;
Pipe_SelectPipe(MSInterfaceInfo->Config.DataOUTPipe.Address);
if ((ErrorCode = USB_Host_ClearEndpointStall(Pipe_GetBoundEndpointAddress())) != HOST_SENDCONTROL_Successful)
return ErrorCode;
return HOST_SENDCONTROL_Successful;
}
uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
uint8_t* const MaxLUNIndex)
{
uint8_t ErrorCode;
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = MS_REQ_GetMaxLUN,
.wValue = 0,
.wIndex = MSInterfaceInfo->State.InterfaceNumber,
.wLength = 1,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
if ((ErrorCode = USB_Host_SendControlRequest(MaxLUNIndex)) == HOST_SENDCONTROL_SetupStalled)
{
*MaxLUNIndex = 0;
ErrorCode = HOST_SENDCONTROL_Successful;
}
return ErrorCode;
}
uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
const uint8_t LUNIndex,
SCSI_Inquiry_Response_t* const InquiryData)
{
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
{
.DataTransferLength = CPU_TO_LE32(sizeof(SCSI_Inquiry_Response_t)),
.Flags = MS_COMMAND_DIR_DATA_IN,
.LUN = LUNIndex,
.SCSICommandLength = 6,
.SCSICommandData =
{
SCSI_CMD_INQUIRY,
0x00, // Reserved
0x00, // Reserved
0x00, // Reserved
sizeof(SCSI_Inquiry_Response_t), // Allocation Length
0x00 // Unused (control)
}
};
return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, InquiryData);
}
uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
const uint8_t LUNIndex)
{
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
{
.DataTransferLength = CPU_TO_LE32(0),
.Flags = MS_COMMAND_DIR_DATA_IN,
.LUN = LUNIndex,
.SCSICommandLength = 6,
.SCSICommandData =
{
SCSI_CMD_TEST_UNIT_READY,
0x00, // Reserved
0x00, // Reserved
0x00, // Reserved
0x00, // Reserved
0x00 // Unused (control)
}
};
return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, NULL);
}
uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
const uint8_t LUNIndex,
SCSI_Capacity_t* const DeviceCapacity)
{
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
uint8_t ErrorCode;
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
{
.DataTransferLength = CPU_TO_LE32(sizeof(SCSI_Capacity_t)),
.Flags = MS_COMMAND_DIR_DATA_IN,
.LUN = LUNIndex,
.SCSICommandLength = 10,
.SCSICommandData =
{
SCSI_CMD_READ_CAPACITY_10,
0x00, // Reserved
0x00, // MSB of Logical block address
0x00,
0x00,
0x00, // LSB of Logical block address
0x00, // Reserved
0x00, // Reserved
0x00, // Partial Medium Indicator
0x00 // Unused (control)
}
};
if ((ErrorCode = MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, DeviceCapacity)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
DeviceCapacity->Blocks = BE32_TO_CPU(DeviceCapacity->Blocks);
DeviceCapacity->BlockSize = BE32_TO_CPU(DeviceCapacity->BlockSize);
return PIPE_RWSTREAM_NoError;
}
uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
const uint8_t LUNIndex,
SCSI_Request_Sense_Response_t* const SenseData)
{
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
{
.DataTransferLength = CPU_TO_LE32(sizeof(SCSI_Request_Sense_Response_t)),
.Flags = MS_COMMAND_DIR_DATA_IN,
.LUN = LUNIndex,
.SCSICommandLength = 6,
.SCSICommandData =
{
SCSI_CMD_REQUEST_SENSE,
0x00, // Reserved
0x00, // Reserved
0x00, // Reserved
sizeof(SCSI_Request_Sense_Response_t), // Allocation Length
0x00 // Unused (control)
}
};
return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, SenseData);
}
uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
const uint8_t LUNIndex,
const bool PreventRemoval)
{
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
{
.DataTransferLength = CPU_TO_LE32(0),
.Flags = MS_COMMAND_DIR_DATA_OUT,
.LUN = LUNIndex,
.SCSICommandLength = 6,
.SCSICommandData =
{
SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL,
0x00, // Reserved
0x00, // Reserved
PreventRemoval, // Prevent flag
0x00, // Reserved
0x00 // Unused (control)
}
};
return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, NULL);
}
uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
const uint8_t LUNIndex,
const uint32_t BlockAddress,
const uint8_t Blocks,
const uint16_t BlockSize,
void* BlockBuffer)
{
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
{
.DataTransferLength = cpu_to_le32((uint32_t)Blocks * BlockSize),
.Flags = MS_COMMAND_DIR_DATA_IN,
.LUN = LUNIndex,
.SCSICommandLength = 10,
.SCSICommandData =
{
SCSI_CMD_READ_10,
0x00, // Unused (control bits, all off)
(BlockAddress >> 24), // MSB of Block Address
(BlockAddress >> 16),
(BlockAddress >> 8),
(BlockAddress & 0xFF), // LSB of Block Address
0x00, // Reserved
0x00, // MSB of Total Blocks to Read
Blocks, // LSB of Total Blocks to Read
0x00 // Unused (control)
}
};
return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, BlockBuffer);
}
uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
const uint8_t LUNIndex,
const uint32_t BlockAddress,
const uint8_t Blocks,
const uint16_t BlockSize,
const void* BlockBuffer)
{
if ((USB_HostState != HOST_STATE_Configured) || !(MSInterfaceInfo->State.IsActive))
return HOST_SENDCONTROL_DeviceDisconnected;
MS_CommandBlockWrapper_t SCSICommandBlock = (MS_CommandBlockWrapper_t)
{
.DataTransferLength = cpu_to_le32((uint32_t)Blocks * BlockSize),
.Flags = MS_COMMAND_DIR_DATA_OUT,
.LUN = LUNIndex,
.SCSICommandLength = 10,
.SCSICommandData =
{
SCSI_CMD_WRITE_10,
0x00, // Unused (control bits, all off)
(BlockAddress >> 24), // MSB of Block Address
(BlockAddress >> 16),
(BlockAddress >> 8),
(BlockAddress & 0xFF), // LSB of Block Address
0x00, // Reserved
0x00, // MSB of Total Blocks to Write
Blocks, // LSB of Total Blocks to Write
0x00 // Unused (control)
}
};
return MS_Host_SendCommand(MSInterfaceInfo, &SCSICommandBlock, BlockBuffer);
}
#endif

View file

@ -0,0 +1,335 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
* \brief Host mode driver for the library USB Mass Storage Class driver.
*
* Host mode driver for the library USB Mass Storage Class driver.
*
* \note This file should not be included directly. It is automatically included as needed by the USB module driver
* dispatch header located in LUFA/Drivers/USB.h.
*/
/** \ingroup Group_USBClassMS
* \defgroup Group_USBClassMassStorageHost Mass Storage Class Host Mode Driver
*
* \section Sec_USBClassMassStorageHost_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/USB/Class/Host/MassStorageClassHost.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
*
* \section Sec_USBClassMassStorageHost_ModDescription Module Description
* Host Mode USB Class driver framework interface, for the Mass Storage USB Class driver.
*
* @{
*/
#ifndef __MS_CLASS_HOST_H__
#define __MS_CLASS_HOST_H__
/* Includes: */
#include "../../USB.h"
#include "../Common/MassStorageClassCommon.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_MS_DRIVER)
#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
#endif
/* Public Interface - May be used in end-application: */
/* Macros: */
/** Error code for some Mass Storage Host functions, indicating a logical (and not hardware) error. */
#define MS_ERROR_LOGICAL_CMD_FAILED 0x80
/* Type Defines: */
/** \brief Mass Storage Class Host Mode Configuration and State Structure.
*
* Class state structure. An instance of this structure should be made within the user application,
* and passed to each of the Mass Storage class driver functions as the \c MSInterfaceInfo parameter. This
* stores each Mass Storage interface's configuration and state information.
*/
typedef struct
{
struct
{
USB_Pipe_Table_t DataINPipe; /**< Data IN Pipe configuration table. */
USB_Pipe_Table_t DataOUTPipe; /**< Data OUT Pipe configuration table. */
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
struct
{
bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
* after \ref MS_Host_ConfigurePipes() is called and the Host state machine is in the
* Configured state.
*/
uint8_t InterfaceNumber; /**< Interface index of the Mass Storage interface within the attached device. */
uint32_t TransactionTag; /**< Current transaction tag for data synchronizing of packets. */
} State; /**< State data for the USB class interface within the device. All elements in this section
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
*/
} USB_ClassInfo_MS_Host_t;
/** \brief SCSI Device LUN Capacity Structure.
*
* SCSI capacity structure, to hold the total capacity of the device in both the number
* of blocks in the current LUN, and the size of each block. This structure is filled by
* the device when the \ref MS_Host_ReadDeviceCapacity() function is called.
*/
typedef struct
{
uint32_t Blocks; /**< Number of blocks in the addressed LUN of the device. */
uint32_t BlockSize; /**< Number of bytes in each block in the addressed LUN. */
} SCSI_Capacity_t;
/* Enums: */
/** Enum for the possible error codes returned by the \ref MS_Host_ConfigurePipes() function. */
enum MS_Host_EnumerationFailure_ErrorCodes_t
{
MS_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */
MS_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */
MS_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible Mass Storage interface was not found in the device's Configuration Descriptor. */
MS_ENUMERROR_PipeConfigurationFailed = 3, /**< One or more pipes for the specified interface could not be configured correctly. */
};
/* Function Prototypes: */
/** Host interface configuration routine, to configure a given Mass Storage host interface instance using the
* Configuration Descriptor read from an attached USB device. This function automatically updates the given Mass
* Storage Host instance's state values and configures the pipes required to communicate with the interface if it
* is found within the device. This should be called once after the stack has enumerated the attached device, while
* the host state machine is in the Addressed state.
*
* \param[in,out] MSInterfaceInfo Pointer to a structure containing an MS Class host configuration and state.
* \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
* \param[in] DeviceConfigDescriptor Pointer to a buffer containing the attached device's Configuration Descriptor.
*
* \return A value from the \ref MS_Host_EnumerationFailure_ErrorCodes_t enum.
*/
uint8_t MS_Host_ConfigurePipes(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* DeviceConfigDescriptor) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
/** Sends a MASS STORAGE RESET control request to the attached device, resetting the Mass Storage Interface
* and readying it for the next Mass Storage command. This should be called after a failed SCSI request to
* ensure the attached Mass Storage device is ready to receive the next command.
*
* \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t MS_Host_ResetMSInterface(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Sends a GET MAX LUN control request to the attached device, retrieving the index of the highest LUN (Logical
* UNit, a logical drive) in the device. This value can then be used in the other functions of the Mass Storage
* Host mode Class driver to address a specific LUN within the device.
*
* \note Some devices do not support this request, and will STALL it when issued. To get around this,
* on unsupported devices the max LUN index will be reported as zero and no error will be returned
* if the device STALLs the request.
*
* \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state.
* \param[out] MaxLUNIndex Pointer to a location where the highest LUN index value should be stored.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t MS_Host_GetMaxLUN(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
uint8_t* const MaxLUNIndex) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** Retrieves the Mass Storage device's inquiry data for the specified LUN, indicating the device characteristics and
* properties.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state.
* \param[in] LUNIndex LUN index within the device the command is being issued to.
* \param[out] InquiryData Location where the read inquiry data should be stored.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or \ref MS_ERROR_LOGICAL_CMD_FAILED.
*/
uint8_t MS_Host_GetInquiryData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
const uint8_t LUNIndex,
SCSI_Inquiry_Response_t* const InquiryData) ATTR_NON_NULL_PTR_ARG(1)
ATTR_NON_NULL_PTR_ARG(3);
/** Sends a TEST UNIT READY command to the device, to determine if it is ready to accept other SCSI commands.
*
* \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state.
* \param[in] LUNIndex LUN index within the device the command is being issued to.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or \ref MS_ERROR_LOGICAL_CMD_FAILED if not ready.
*/
uint8_t MS_Host_TestUnitReady(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
const uint8_t LUNIndex) ATTR_NON_NULL_PTR_ARG(1);
/** Retrieves the total capacity of the attached USB Mass Storage device, in blocks, and block size.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state.
* \param[in] LUNIndex LUN index within the device the command is being issued to.
* \param[out] DeviceCapacity Pointer to the location where the capacity information should be stored.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or \ref MS_ERROR_LOGICAL_CMD_FAILED if not ready.
*/
uint8_t MS_Host_ReadDeviceCapacity(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
const uint8_t LUNIndex,
SCSI_Capacity_t* const DeviceCapacity) ATTR_NON_NULL_PTR_ARG(1)
ATTR_NON_NULL_PTR_ARG(3);
/** Retrieves the device sense data, indicating the current device state and error codes for the previously
* issued command.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state.
* \param[in] LUNIndex LUN index within the device the command is being issued to.
* \param[out] SenseData Pointer to the location where the sense information should be stored.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or \ref MS_ERROR_LOGICAL_CMD_FAILED if not ready.
*/
uint8_t MS_Host_RequestSense(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
const uint8_t LUNIndex,
SCSI_Request_Sense_Response_t* const SenseData) ATTR_NON_NULL_PTR_ARG(1)
ATTR_NON_NULL_PTR_ARG(3);
/** Issues a PREVENT MEDIUM REMOVAL command, to logically (or, depending on the type of device, physically) lock
* the device from removal so that blocks of data on the medium can be read or altered.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state.
* \param[in] LUNIndex LUN index within the device the command is being issued to.
* \param[in] PreventRemoval Boolean \c true if the device should be locked from removal, \c false otherwise.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or \ref MS_ERROR_LOGICAL_CMD_FAILED if not ready.
*/
uint8_t MS_Host_PreventAllowMediumRemoval(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
const uint8_t LUNIndex,
const bool PreventRemoval) ATTR_NON_NULL_PTR_ARG(1);
/** Reads blocks of data from the attached Mass Storage device's medium.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state.
* \param[in] LUNIndex LUN index within the device the command is being issued to.
* \param[in] BlockAddress Starting block address within the device to read from.
* \param[in] Blocks Total number of blocks to read.
* \param[in] BlockSize Size in bytes of each block within the device.
* \param[out] BlockBuffer Pointer to where the read data from the device should be stored.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or \ref MS_ERROR_LOGICAL_CMD_FAILED if not ready.
*/
uint8_t MS_Host_ReadDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
const uint8_t LUNIndex,
const uint32_t BlockAddress,
const uint8_t Blocks,
const uint16_t BlockSize,
void* BlockBuffer) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(6);
/** Writes blocks of data to the attached Mass Storage device's medium.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] MSInterfaceInfo Pointer to a structure containing a MS Class host configuration and state.
* \param[in] LUNIndex LUN index within the device the command is being issued to.
* \param[in] BlockAddress Starting block address within the device to write to.
* \param[in] Blocks Total number of blocks to read.
* \param[in] BlockSize Size in bytes of each block within the device.
* \param[in] BlockBuffer Pointer to where the data to write should be sourced from.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum or \ref MS_ERROR_LOGICAL_CMD_FAILED if not ready.
*/
uint8_t MS_Host_WriteDeviceBlocks(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
const uint8_t LUNIndex,
const uint32_t BlockAddress,
const uint8_t Blocks,
const uint16_t BlockSize,
const void* BlockBuffer) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(6);
/* Inline Functions: */
/** General management task for a given Mass Storage host class interface, required for the correct operation of
* the interface. This should be called frequently in the main program loop, before the master USB management task
* \ref USB_USBTask().
*
* \param[in,out] MSInterfaceInfo Pointer to a structure containing an Mass Storage Class host configuration and state.
*/
static inline void MS_Host_USBTask(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
static inline void MS_Host_USBTask(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo)
{
(void)MSInterfaceInfo;
}
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
#define MS_COMMAND_DATA_TIMEOUT_MS 10000
/* Function Prototypes: */
#if defined(__INCLUDE_FROM_MASSSTORAGE_HOST_C)
static uint8_t MS_Host_SendCommand(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
MS_CommandBlockWrapper_t* const SCSICommandBlock,
const void* const BufferPtr) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
static uint8_t MS_Host_WaitForDataReceived(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
static uint8_t MS_Host_SendReceiveData(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
MS_CommandBlockWrapper_t* const SCSICommandBlock,
void* BufferPtr) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
static uint8_t MS_Host_GetReturnedStatus(USB_ClassInfo_MS_Host_t* const MSInterfaceInfo,
MS_CommandStatusWrapper_t* const SCSICommandStatus)
ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
static uint8_t DCOMP_MS_Host_NextMSInterface(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
static uint8_t DCOMP_MS_Host_NextMSInterfaceEndpoint(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
#endif
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

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@ -0,0 +1,400 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#define __INCLUDE_FROM_USB_DRIVER
#include "../../Core/USBMode.h"
#if defined(USB_CAN_BE_HOST)
#define __INCLUDE_FROM_PRINTER_DRIVER
#define __INCLUDE_FROM_PRINTER_HOST_C
#include "PrinterClassHost.h"
uint8_t PRNT_Host_ConfigurePipes(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData)
{
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Interface_t* PrinterInterface = NULL;
memset(&PRNTInterfaceInfo->State, 0x00, sizeof(PRNTInterfaceInfo->State));
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return PRNT_ENUMERROR_InvalidConfigDescriptor;
while (!(DataINEndpoint) || !(DataOUTEndpoint))
{
if (!(PrinterInterface) ||
USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_PRNT_Host_NextPRNTInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_PRNT_Host_NextPRNTInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return PRNT_ENUMERROR_NoCompatibleInterfaceFound;
}
PrinterInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
continue;
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
DataINEndpoint = EndpointData;
else
DataOUTEndpoint = EndpointData;
}
PRNTInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize);
PRNTInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
PRNTInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK;
PRNTInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
PRNTInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
PRNTInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;
if (!(Pipe_ConfigurePipeTable(&PRNTInterfaceInfo->Config.DataINPipe, 1)))
return PRNT_ENUMERROR_PipeConfigurationFailed;
if (!(Pipe_ConfigurePipeTable(&PRNTInterfaceInfo->Config.DataOUTPipe, 1)))
return PRNT_ENUMERROR_PipeConfigurationFailed;
PRNTInterfaceInfo->State.InterfaceNumber = PrinterInterface->InterfaceNumber;
PRNTInterfaceInfo->State.AlternateSetting = PrinterInterface->AlternateSetting;
PRNTInterfaceInfo->State.IsActive = true;
return PRNT_ENUMERROR_NoError;
}
static uint8_t DCOMP_PRNT_Host_NextPRNTInterface(void* CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
if ((Interface->Class == PRNT_CSCP_PrinterClass) &&
(Interface->SubClass == PRNT_CSCP_PrinterSubclass) &&
(Interface->Protocol == PRNT_CSCP_BidirectionalProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DCOMP_PRNT_Host_NextPRNTInterfaceEndpoint(void* CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Endpoint)
{
USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
if (EndpointType == EP_TYPE_BULK)
return DESCRIPTOR_SEARCH_Found;
}
else if (Header->Type == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}
return DESCRIPTOR_SEARCH_NotFound;
}
void PRNT_Host_USBTask(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
return;
#if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
PRNT_Host_Flush(PRNTInterfaceInfo);
#endif
}
uint8_t PRNT_Host_SetBidirectionalMode(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
{
if (PRNTInterfaceInfo->State.AlternateSetting)
{
uint8_t ErrorCode;
if ((ErrorCode = USB_Host_SetInterfaceAltSetting(PRNTInterfaceInfo->State.InterfaceNumber,
PRNTInterfaceInfo->State.AlternateSetting)) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
}
return HOST_SENDCONTROL_Successful;
}
uint8_t PRNT_Host_GetPortStatus(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
uint8_t* const PortStatus)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = PRNT_REQ_GetPortStatus,
.wValue = 0,
.wIndex = PRNTInterfaceInfo->State.InterfaceNumber,
.wLength = sizeof(uint8_t),
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(PortStatus);
}
uint8_t PRNT_Host_SoftReset(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = PRNT_REQ_SoftReset,
.wValue = 0,
.wIndex = PRNTInterfaceInfo->State.InterfaceNumber,
.wLength = 0,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(NULL);
}
uint8_t PRNT_Host_Flush(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
return PIPE_READYWAIT_DeviceDisconnected;
uint8_t ErrorCode;
Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if (!(Pipe_BytesInPipe()))
return PIPE_READYWAIT_NoError;
bool BankFull = !(Pipe_IsReadWriteAllowed());
Pipe_ClearOUT();
if (BankFull)
{
if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
return ErrorCode;
Pipe_ClearOUT();
}
Pipe_Freeze();
return PIPE_READYWAIT_NoError;
}
uint8_t PRNT_Host_SendByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
const uint8_t Data)
{
if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
return PIPE_READYWAIT_DeviceDisconnected;
uint8_t ErrorCode;
Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if (!(Pipe_IsReadWriteAllowed()))
{
Pipe_ClearOUT();
if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
return ErrorCode;
}
Pipe_Write_8(Data);
Pipe_Freeze();
return PIPE_READYWAIT_NoError;
}
uint8_t PRNT_Host_SendString(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
const char* const String)
{
uint8_t ErrorCode;
if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if ((ErrorCode = Pipe_Write_Stream_LE(String, strlen(String), NULL)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
Pipe_ClearOUT();
ErrorCode = Pipe_WaitUntilReady();
Pipe_Freeze();
return ErrorCode;
}
uint8_t PRNT_Host_SendData(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
const void* Buffer,
const uint16_t Length)
{
uint8_t ErrorCode;
if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if ((ErrorCode = Pipe_Write_Stream_LE(Buffer, Length, NULL)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
Pipe_ClearOUT();
ErrorCode = Pipe_WaitUntilReady();
Pipe_Freeze();
return ErrorCode;
}
uint16_t PRNT_Host_BytesReceived(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
return 0;
Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
if (Pipe_IsINReceived())
{
if (!(Pipe_BytesInPipe()))
{
Pipe_ClearIN();
Pipe_Freeze();
return 0;
}
else
{
Pipe_Freeze();
return Pipe_BytesInPipe();
}
}
else
{
Pipe_Freeze();
return 0;
}
}
int16_t PRNT_Host_ReceiveByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
int16_t ReceivedByte = -1;
Pipe_SelectPipe(PRNTInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
if (Pipe_IsINReceived())
{
if (Pipe_BytesInPipe())
ReceivedByte = Pipe_Read_8();
if (!(Pipe_BytesInPipe()))
Pipe_ClearIN();
}
Pipe_Freeze();
return ReceivedByte;
}
uint8_t PRNT_Host_GetDeviceID(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
char* const DeviceIDString,
const uint16_t BufferSize)
{
uint8_t ErrorCode;
uint16_t DeviceIDStringLength = 0;
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = PRNT_REQ_GetDeviceID,
.wValue = 0,
.wIndex = PRNTInterfaceInfo->State.InterfaceNumber,
.wLength = sizeof(DeviceIDStringLength),
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
if ((ErrorCode = USB_Host_SendControlRequest(&DeviceIDStringLength)) != HOST_SENDCONTROL_Successful)
return ErrorCode;
if (!(DeviceIDStringLength))
{
DeviceIDString[0] = 0x00;
return HOST_SENDCONTROL_Successful;
}
DeviceIDStringLength = be16_to_cpu(DeviceIDStringLength);
if (DeviceIDStringLength > BufferSize)
DeviceIDStringLength = BufferSize;
USB_ControlRequest.wLength = DeviceIDStringLength;
if ((ErrorCode = USB_Host_SendControlRequest(DeviceIDString)) != HOST_SENDCONTROL_Successful)
return ErrorCode;
memmove(&DeviceIDString[0], &DeviceIDString[2], DeviceIDStringLength - 2);
DeviceIDString[DeviceIDStringLength - 2] = 0x00;
return HOST_SENDCONTROL_Successful;
}
#endif

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@ -0,0 +1,285 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
* \brief Host mode driver for the library USB Printer Class driver.
*
* Host mode driver for the library USB Printer Class driver.
*
* \note This file should not be included directly. It is automatically included as needed by the USB module driver
* dispatch header located in LUFA/Drivers/USB.h.
*/
/** \ingroup Group_USBClassPrinter
* \defgroup Group_USBClassPrinterHost Printer Class Host Mode Driver
*
* \section Sec_USBClassPrinterHost_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/USB/Class/Host/PrinterClassHost.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
*
* \section Sec_USBClassPrinterHost_ModDescription Module Description
* Host Mode USB Class driver framework interface, for the Printer USB Class driver.
*
* @{
*/
#ifndef __PRINTER_CLASS_HOST_H__
#define __PRINTER_CLASS_HOST_H__
/* Includes: */
#include "../../USB.h"
#include "../Common/PrinterClassCommon.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_PRINTER_DRIVER)
#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
#endif
/* Public Interface - May be used in end-application: */
/* Type Defines: */
/** \brief Printer Class Host Mode Configuration and State Structure.
*
* Class state structure. An instance of this structure should be made within the user application,
* and passed to each of the Printer class driver functions as the \c PRNTInterfaceInfo parameter. This
* stores each Printer interface's configuration and state information.
*/
typedef struct
{
struct
{
USB_Pipe_Table_t DataINPipe; /**< Data IN Pipe configuration table. */
USB_Pipe_Table_t DataOUTPipe; /**< Data OUT Pipe configuration table. */
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
struct
{
bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
* after \ref PRNT_Host_ConfigurePipes() is called and the Host state machine is in the
* Configured state.
*/
uint8_t InterfaceNumber; /**< Interface index of the Printer interface within the attached device. */
uint8_t AlternateSetting; /**< Alternate setting within the Printer Interface in the attached device. */
} State; /**< State data for the USB class interface within the device. All elements in this section
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
*/
} USB_ClassInfo_PRNT_Host_t;
/* Enums: */
/** Enum for the possible error codes returned by the \ref PRNT_Host_ConfigurePipes() function. */
enum PRNT_Host_EnumerationFailure_ErrorCodes_t
{
PRNT_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */
PRNT_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */
PRNT_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible Printer interface was not found in the device's Configuration Descriptor. */
PRNT_ENUMERROR_PipeConfigurationFailed = 3, /**< One or more pipes for the specified interface could not be configured correctly. */
};
/* Function Prototypes: */
/** Host interface configuration routine, to configure a given Printer host interface instance using the
* Configuration Descriptor read from an attached USB device. This function automatically updates the given Printer
* instance's state values and configures the pipes required to communicate with the interface if it is found within
* the device. This should be called once after the stack has enumerated the attached device, while the host state
* machine is in the Addressed state.
*
* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
* \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
* \param[in] ConfigDescriptorData Pointer to a buffer containing the attached device's Configuration Descriptor.
*
* \return A value from the \ref PRNT_Host_EnumerationFailure_ErrorCodes_t enum.
*/
uint8_t PRNT_Host_ConfigurePipes(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
/** General management task for a given Printer host class interface, required for the correct operation of
* the interface. This should be called frequently in the main program loop, before the master USB management task
* \ref USB_USBTask().
*
* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
*/
void PRNT_Host_USBTask(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Configures the printer to enable Bidirectional mode, if it is not already in this mode. This should be called
* once the connected device's configuration has been set, to ensure the printer is ready to accept commands.
*
* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t PRNT_Host_SetBidirectionalMode(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Retrieves the status of the virtual Printer port's inbound status lines. The result can then be masked against the
* \c PRNT_PORTSTATUS_* macros to determine the printer port's status.
*
* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
* \param[out] PortStatus Location where the retrieved port status should be stored.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t PRNT_Host_GetPortStatus(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
uint8_t* const PortStatus)
ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** Soft-resets the attached printer, readying it for new commands.
*
* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum.
*/
uint8_t PRNT_Host_SoftReset(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Flushes any data waiting to be sent, ensuring that the send buffer is cleared.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
*
* \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum.
*/
uint8_t PRNT_Host_Flush(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Sends the given null terminated string to the attached printer's input endpoint.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
* \param[in] String Pointer to a null terminated string to send.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t PRNT_Host_SendString(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
const char* const String) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** Sends the given raw data stream to the attached printer's input endpoint. This should contain commands that the
* printer is able to understand - for example, PCL data. Not all printers accept all printer languages; see
* \ref PRNT_Host_GetDeviceID() for details on determining acceptable languages for an attached printer.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
* \param[in] Buffer Pointer to a buffer containing the raw command stream to send to the printer.
* \param[in] Length Size in bytes of the command stream to be sent.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t PRNT_Host_SendData(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
const void* Buffer,
const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** Sends a given byte to the attached USB device, if connected. If a device is not connected when the function is called, the
* byte is discarded. Bytes will be queued for transmission to the device until either the pipe bank becomes full, or the
* \ref PRNT_Host_Flush() function is called to flush the pending data to the host. This allows for multiple bytes to be
* packed into a single pipe packet, increasing data throughput.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
* \param[in] Data Byte of data to send to the device.
*
* \return A value from the \ref Pipe_WaitUntilReady_ErrorCodes_t enum.
*/
uint8_t PRNT_Host_SendByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
const uint8_t Data) ATTR_NON_NULL_PTR_ARG(1);
/** Determines the number of bytes received by the printer interface from the device, waiting to be read. This indicates the number
* of bytes in the IN pipe bank only, and thus the number of calls to \ref PRNT_Host_ReceiveByte() which are guaranteed to succeed
* immediately. If multiple bytes are to be received, they should be buffered by the user application, as the pipe bank will not be
* released back to the USB controller until all bytes are read.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
*
* \return Total number of buffered bytes received from the device.
*/
uint16_t PRNT_Host_BytesReceived(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Reads a byte of data from the device. If no data is waiting to be read of if a USB device is not connected, the function
* returns a negative value. The \ref PRNT_Host_BytesReceived() function may be queried in advance to determine how many bytes
* are currently buffered in the Printer interface's data receive pipe.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
*
* \return Next received byte from the device, or a negative value if no data received.
*/
int16_t PRNT_Host_ReceiveByte(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Retrieves the attached printer device's ID string, formatted according to IEEE 1284. This string is sent as a
* Unicode string from the device and is automatically converted to an ASCII encoded C string by this function, thus
* the maximum reportable string length is two less than the size given (to accommodate the Unicode string length
* bytes which are removed).
*
* This string, when supported, contains the model, manufacturer and acceptable printer languages for the attached device.
*
* \param[in,out] PRNTInterfaceInfo Pointer to a structure containing a Printer Class host configuration and state.
* \param[out] DeviceIDString Pointer to a buffer where the Device ID string should be stored, in ASCII format.
* \param[in] BufferSize Size in bytes of the buffer allocated for the Device ID string.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t PRNT_Host_GetDeviceID(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo,
char* const DeviceIDString,
const uint16_t BufferSize) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Function Prototypes: */
#if defined(__INCLUDE_FROM_PRINTER_HOST_C)
static uint8_t DCOMP_PRNT_Host_NextPRNTInterface(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
static uint8_t DCOMP_PRNT_Host_NextPRNTInterfaceEndpoint(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
#endif
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

View file

@ -0,0 +1,476 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#define __INCLUDE_FROM_USB_DRIVER
#include "../../Core/USBMode.h"
#if defined(USB_CAN_BE_HOST)
#define __INCLUDE_FROM_RNDIS_DRIVER
#define __INCLUDE_FROM_RNDIS_HOST_C
#include "RNDISClassHost.h"
uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData)
{
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Endpoint_t* NotificationEndpoint = NULL;
USB_Descriptor_Interface_t* RNDISControlInterface = NULL;
memset(&RNDISInterfaceInfo->State, 0x00, sizeof(RNDISInterfaceInfo->State));
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return RNDIS_ENUMERROR_InvalidConfigDescriptor;
RNDISControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(NotificationEndpoint))
{
if (!(RNDISControlInterface) ||
USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
if (NotificationEndpoint)
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_RNDIS_Host_NextRNDISDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return RNDIS_ENUMERROR_NoCompatibleInterfaceFound;
}
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
}
else
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_RNDIS_Host_NextRNDISControlInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return RNDIS_ENUMERROR_NoCompatibleInterfaceFound;
}
RNDISControlInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
NotificationEndpoint = NULL;
}
continue;
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
{
if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
NotificationEndpoint = EndpointData;
else
DataINEndpoint = EndpointData;
}
else
{
DataOUTEndpoint = EndpointData;
}
}
RNDISInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize);
RNDISInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
RNDISInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK;
RNDISInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
RNDISInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
RNDISInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;
RNDISInterfaceInfo->Config.NotificationPipe.Size = le16_to_cpu(NotificationEndpoint->EndpointSize);
RNDISInterfaceInfo->Config.NotificationPipe.EndpointAddress = NotificationEndpoint->EndpointAddress;
RNDISInterfaceInfo->Config.NotificationPipe.Type = EP_TYPE_INTERRUPT;
if (!(Pipe_ConfigurePipeTable(&RNDISInterfaceInfo->Config.DataINPipe, 1)))
return RNDIS_ENUMERROR_PipeConfigurationFailed;
if (!(Pipe_ConfigurePipeTable(&RNDISInterfaceInfo->Config.DataOUTPipe, 1)))
return RNDIS_ENUMERROR_PipeConfigurationFailed;
if (!(Pipe_ConfigurePipeTable(&RNDISInterfaceInfo->Config.NotificationPipe, 1)))
return RNDIS_ENUMERROR_PipeConfigurationFailed;
RNDISInterfaceInfo->State.ControlInterfaceNumber = RNDISControlInterface->InterfaceNumber;
RNDISInterfaceInfo->State.IsActive = true;
return RNDIS_ENUMERROR_NoError;
}
static uint8_t DCOMP_RNDIS_Host_NextRNDISControlInterface(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
if ((Interface->Class == CDC_CSCP_CDCClass) &&
(Interface->SubClass == CDC_CSCP_ACMSubclass) &&
(Interface->Protocol == CDC_CSCP_VendorSpecificProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DCOMP_RNDIS_Host_NextRNDISDataInterface(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor,
USB_Descriptor_Interface_t);
if ((Interface->Class == CDC_CSCP_CDCDataClass) &&
(Interface->SubClass == CDC_CSCP_NoDataSubclass) &&
(Interface->Protocol == CDC_CSCP_NoDataProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Endpoint)
{
USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
!(Pipe_IsEndpointBound(Endpoint->EndpointAddress)))
{
return DESCRIPTOR_SEARCH_Found;
}
}
else if (Header->Type == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}
return DESCRIPTOR_SEARCH_NotFound;
}
static uint8_t RNDIS_SendEncapsulatedCommand(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
void* Buffer,
const uint16_t Length)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = RNDIS_REQ_SendEncapsulatedCommand,
.wValue = 0,
.wIndex = RNDISInterfaceInfo->State.ControlInterfaceNumber,
.wLength = Length,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(Buffer);
}
static uint8_t RNDIS_GetEncapsulatedResponse(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
void* Buffer,
const uint16_t Length)
{
USB_ControlRequest = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
.bRequest = RNDIS_REQ_GetEncapsulatedResponse,
.wValue = 0,
.wIndex = RNDISInterfaceInfo->State.ControlInterfaceNumber,
.wLength = Length,
};
Pipe_SelectPipe(PIPE_CONTROLPIPE);
return USB_Host_SendControlRequest(Buffer);
}
uint8_t RNDIS_Host_SendKeepAlive(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo)
{
uint8_t ErrorCode;
RNDIS_KeepAlive_Message_t KeepAliveMessage;
RNDIS_KeepAlive_Complete_t KeepAliveMessageResponse;
KeepAliveMessage.MessageType = CPU_TO_LE32(REMOTE_NDIS_KEEPALIVE_MSG);
KeepAliveMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_KeepAlive_Message_t));
KeepAliveMessage.RequestId = cpu_to_le32(RNDISInterfaceInfo->State.RequestID++);
if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &KeepAliveMessage,
sizeof(RNDIS_KeepAlive_Message_t))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &KeepAliveMessageResponse,
sizeof(RNDIS_KeepAlive_Complete_t))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
return HOST_SENDCONTROL_Successful;
}
uint8_t RNDIS_Host_InitializeDevice(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo)
{
uint8_t ErrorCode;
RNDIS_Initialize_Message_t InitMessage;
RNDIS_Initialize_Complete_t InitMessageResponse;
InitMessage.MessageType = CPU_TO_LE32(REMOTE_NDIS_INITIALIZE_MSG);
InitMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_Initialize_Message_t));
InitMessage.RequestId = cpu_to_le32(RNDISInterfaceInfo->State.RequestID++);
InitMessage.MajorVersion = CPU_TO_LE32(REMOTE_NDIS_VERSION_MAJOR);
InitMessage.MinorVersion = CPU_TO_LE32(REMOTE_NDIS_VERSION_MINOR);
InitMessage.MaxTransferSize = cpu_to_le32(RNDISInterfaceInfo->Config.HostMaxPacketSize);
if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &InitMessage,
sizeof(RNDIS_Initialize_Message_t))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &InitMessageResponse,
sizeof(RNDIS_Initialize_Complete_t))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
if (InitMessageResponse.Status != CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS))
return RNDIS_ERROR_LOGICAL_CMD_FAILED;
RNDISInterfaceInfo->State.DeviceMaxPacketSize = le32_to_cpu(InitMessageResponse.MaxTransferSize);
return HOST_SENDCONTROL_Successful;
}
uint8_t RNDIS_Host_SetRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
const uint32_t Oid,
void* Buffer,
const uint16_t Length)
{
uint8_t ErrorCode;
struct
{
RNDIS_Set_Message_t SetMessage;
uint8_t ContiguousBuffer[Length];
} SetMessageData;
RNDIS_Set_Complete_t SetMessageResponse;
SetMessageData.SetMessage.MessageType = CPU_TO_LE32(REMOTE_NDIS_SET_MSG);
SetMessageData.SetMessage.MessageLength = cpu_to_le32(sizeof(RNDIS_Set_Message_t) + Length);
SetMessageData.SetMessage.RequestId = cpu_to_le32(RNDISInterfaceInfo->State.RequestID++);
SetMessageData.SetMessage.Oid = cpu_to_le32(Oid);
SetMessageData.SetMessage.InformationBufferLength = cpu_to_le32(Length);
SetMessageData.SetMessage.InformationBufferOffset = CPU_TO_LE32(sizeof(RNDIS_Set_Message_t) - sizeof(RNDIS_Message_Header_t));
SetMessageData.SetMessage.DeviceVcHandle = CPU_TO_LE32(0);
memcpy(&SetMessageData.ContiguousBuffer, Buffer, Length);
if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &SetMessageData,
(sizeof(RNDIS_Set_Message_t) + Length))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &SetMessageResponse,
sizeof(RNDIS_Set_Complete_t))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
if (SetMessageResponse.Status != CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS))
return RNDIS_ERROR_LOGICAL_CMD_FAILED;
return HOST_SENDCONTROL_Successful;
}
uint8_t RNDIS_Host_QueryRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
const uint32_t Oid,
void* Buffer,
const uint16_t MaxLength)
{
uint8_t ErrorCode;
RNDIS_Query_Message_t QueryMessage;
struct
{
RNDIS_Query_Complete_t QueryMessageResponse;
uint8_t ContiguousBuffer[MaxLength];
} QueryMessageResponseData;
QueryMessage.MessageType = CPU_TO_LE32(REMOTE_NDIS_QUERY_MSG);
QueryMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_Query_Message_t));
QueryMessage.RequestId = cpu_to_le32(RNDISInterfaceInfo->State.RequestID++);
QueryMessage.Oid = cpu_to_le32(Oid);
QueryMessage.InformationBufferLength = CPU_TO_LE32(0);
QueryMessage.InformationBufferOffset = CPU_TO_LE32(0);
QueryMessage.DeviceVcHandle = CPU_TO_LE32(0);
if ((ErrorCode = RNDIS_SendEncapsulatedCommand(RNDISInterfaceInfo, &QueryMessage,
sizeof(RNDIS_Query_Message_t))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
if ((ErrorCode = RNDIS_GetEncapsulatedResponse(RNDISInterfaceInfo, &QueryMessageResponseData,
sizeof(QueryMessageResponseData))) != HOST_SENDCONTROL_Successful)
{
return ErrorCode;
}
if (QueryMessageResponseData.QueryMessageResponse.Status != CPU_TO_LE32(REMOTE_NDIS_STATUS_SUCCESS))
return RNDIS_ERROR_LOGICAL_CMD_FAILED;
memcpy(Buffer, &QueryMessageResponseData.ContiguousBuffer, MaxLength);
return HOST_SENDCONTROL_Successful;
}
bool RNDIS_Host_IsPacketReceived(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo)
{
bool PacketWaiting;
if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive))
return false;
Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
PacketWaiting = Pipe_IsINReceived();
Pipe_Freeze();
return PacketWaiting;
}
uint8_t RNDIS_Host_ReadPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
void* Buffer,
uint16_t* const PacketLength)
{
uint8_t ErrorCode;
if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive))
return PIPE_READYWAIT_DeviceDisconnected;
Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
if (!(Pipe_IsReadWriteAllowed()))
{
if (Pipe_IsINReceived())
Pipe_ClearIN();
*PacketLength = 0;
Pipe_Freeze();
return PIPE_RWSTREAM_NoError;
}
RNDIS_Packet_Message_t DeviceMessage;
if ((ErrorCode = Pipe_Read_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t),
NULL)) != PIPE_RWSTREAM_NoError)
{
return ErrorCode;
}
*PacketLength = (uint16_t)le32_to_cpu(DeviceMessage.DataLength);
Pipe_Discard_Stream(le32_to_cpu(DeviceMessage.DataOffset) -
(sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t)),
NULL);
Pipe_Read_Stream_LE(Buffer, *PacketLength, NULL);
if (!(Pipe_BytesInPipe()))
Pipe_ClearIN();
Pipe_Freeze();
return PIPE_RWSTREAM_NoError;
}
uint8_t RNDIS_Host_SendPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
void* Buffer,
const uint16_t PacketLength)
{
uint8_t ErrorCode;
if ((USB_HostState != HOST_STATE_Configured) || !(RNDISInterfaceInfo->State.IsActive))
return PIPE_READYWAIT_DeviceDisconnected;
RNDIS_Packet_Message_t DeviceMessage;
memset(&DeviceMessage, 0, sizeof(RNDIS_Packet_Message_t));
DeviceMessage.MessageType = CPU_TO_LE32(REMOTE_NDIS_PACKET_MSG);
DeviceMessage.MessageLength = CPU_TO_LE32(sizeof(RNDIS_Packet_Message_t) + PacketLength);
DeviceMessage.DataOffset = CPU_TO_LE32(sizeof(RNDIS_Packet_Message_t) - sizeof(RNDIS_Message_Header_t));
DeviceMessage.DataLength = cpu_to_le32(PacketLength);
Pipe_SelectPipe(RNDISInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if ((ErrorCode = Pipe_Write_Stream_LE(&DeviceMessage, sizeof(RNDIS_Packet_Message_t),
NULL)) != PIPE_RWSTREAM_NoError)
{
return ErrorCode;
}
Pipe_Write_Stream_LE(Buffer, PacketLength, NULL);
Pipe_ClearOUT();
Pipe_Freeze();
return PIPE_RWSTREAM_NoError;
}
#endif

View file

@ -0,0 +1,270 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
* \brief Host mode driver for the library USB RNDIS Class driver.
*
* Host mode driver for the library USB RNDIS Class driver.
*
* \note This file should not be included directly. It is automatically included as needed by the USB module driver
* dispatch header located in LUFA/Drivers/USB.h.
*/
/** \ingroup Group_USBClassRNDIS
* \defgroup Group_USBClassRNDISHost RNDIS Class Host Mode Driver
*
* \section Sec_USBClassRNDISHost_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/USB/Class/Host/RNDISClassHost.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
*
* \section Sec_USBClassRNDISHost_ModDescription Module Description
* Host Mode USB Class driver framework interface, for the Microsoft RNDIS Ethernet
* USB Class driver.
*
* @{
*/
#ifndef __RNDIS_CLASS_HOST_H__
#define __RNDIS_CLASS_HOST_H__
/* Includes: */
#include "../../USB.h"
#include "../Common/RNDISClassCommon.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_RNDIS_DRIVER)
#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
#endif
/* Public Interface - May be used in end-application: */
/* Type Defines: */
/** \brief RNDIS Class Host Mode Configuration and State Structure.
*
* Class state structure. An instance of this structure should be made within the user application,
* and passed to each of the RNDIS class driver functions as the \c RNDISInterfaceInfo parameter. This
* stores each RNDIS interface's configuration and state information.
*/
typedef struct
{
struct
{
USB_Pipe_Table_t DataINPipe; /**< Data IN Pipe configuration table. */
USB_Pipe_Table_t DataOUTPipe; /**< Data OUT Pipe configuration table. */
USB_Pipe_Table_t NotificationPipe; /**< Notification IN Pipe configuration table. */
uint32_t HostMaxPacketSize; /**< Maximum size of a packet which can be buffered by the host. */
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
struct
{
bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
* after \ref RNDIS_Host_ConfigurePipes() is called and the Host state machine is in the
* Configured state.
*/
uint8_t ControlInterfaceNumber; /**< Interface index of the RNDIS control interface within the attached device. */
uint32_t DeviceMaxPacketSize; /**< Maximum size of a packet which can be buffered by the attached RNDIS device. */
uint32_t RequestID; /**< Request ID counter to give a unique ID for each command/response pair. */
} State; /**< State data for the USB class interface within the device. All elements in this section
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
*/
} USB_ClassInfo_RNDIS_Host_t;
/* Enums: */
/** Enum for the possible error codes returned by the \ref RNDIS_Host_ConfigurePipes() function. */
enum RNDIS_Host_EnumerationFailure_ErrorCodes_t
{
RNDIS_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */
RNDIS_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */
RNDIS_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible RNDIS interface was not found in the device's Configuration Descriptor. */
RNDIS_ENUMERROR_PipeConfigurationFailed = 3, /**< One or more pipes for the specified interface could not be configured correctly. */
};
/* Function Prototypes: */
/** Host interface configuration routine, to configure a given RNDIS host interface instance using the Configuration
* Descriptor read from an attached USB device. This function automatically updates the given RNDIS Host instance's
* state values and configures the pipes required to communicate with the interface if it is found within the device.
* This should be called once after the stack has enumerated the attached device, while the host state machine is in
* the Addressed state.
*
* \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
* \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
* \param[in] ConfigDescriptorData Pointer to a buffer containing the attached device's Configuration Descriptor.
*
* \return A value from the \ref RNDIS_Host_EnumerationFailure_ErrorCodes_t enum.
*/
uint8_t RNDIS_Host_ConfigurePipes(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
/** Sends a RNDIS KEEPALIVE command to the device, to ensure that it does not enter standby mode after periods
* of long inactivity.
*
* \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum or \ref RNDIS_ERROR_LOGICAL_CMD_FAILED if the device returned a
* logical command failure.
*/
uint8_t RNDIS_Host_SendKeepAlive(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Initializes the attached RNDIS device's RNDIS interface. This should be called after the device's pipes have been
* configured via the call to \ref RNDIS_Host_ConfigurePipes().
*
* \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum or \ref RNDIS_ERROR_LOGICAL_CMD_FAILED if the
* device returned a logical command failure.
*/
uint8_t RNDIS_Host_InitializeDevice(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Sets a given RNDIS property of an attached RNDIS device.
*
* \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
* \param[in] Oid OID number of the parameter to set.
* \param[in] Buffer Pointer to where the property data is to be sourced from.
* \param[in] Length Length in bytes of the property data to sent to the device.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum or \ref RNDIS_ERROR_LOGICAL_CMD_FAILED if the
* device returned a logical command failure.
*/
uint8_t RNDIS_Host_SetRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
const uint32_t Oid,
void* Buffer,
const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
/** Gets a given RNDIS property of an attached RNDIS device.
*
* \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
* \param[in] Oid OID number of the parameter to get.
* \param[in] Buffer Pointer to where the property data is to be written to.
* \param[in] MaxLength Length in bytes of the destination buffer size.
*
* \return A value from the \ref USB_Host_SendControlErrorCodes_t enum or \ref RNDIS_ERROR_LOGICAL_CMD_FAILED if the
* device returned a logical command failure.
*/
uint8_t RNDIS_Host_QueryRNDISProperty(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
const uint32_t Oid,
void* Buffer,
const uint16_t MaxLength) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
/** Determines if a packet is currently waiting for the host to read in and process.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
*
* \return Boolean \c true if a packet is waiting to be read in by the host, \c false otherwise.
*/
bool RNDIS_Host_IsPacketReceived(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Retrieves the next pending packet from the device, discarding the remainder of the RNDIS packet header to leave
* only the packet contents for processing by the host in the nominated buffer.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
* \param[out] Buffer Pointer to a buffer where the packer data is to be written to.
* \param[out] PacketLength Pointer to where the length in bytes of the read packet is to be stored.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t RNDIS_Host_ReadPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
void* Buffer,
uint16_t* const PacketLength) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2)
ATTR_NON_NULL_PTR_ARG(3);
/** Sends the given packet to the attached RNDIS device, after adding a RNDIS packet message header.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
* \param[in] Buffer Pointer to a buffer where the packer data is to be read from.
* \param[in] PacketLength Length in bytes of the packet to send.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t RNDIS_Host_SendPacket(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
void* Buffer,
const uint16_t PacketLength) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/* Inline Functions: */
/** General management task for a given RNDIS host class interface, required for the correct operation of the interface. This should
* be called frequently in the main program loop, before the master USB management task \ref USB_USBTask().
*
* \param[in,out] RNDISInterfaceInfo Pointer to a structure containing an RNDIS Class host configuration and state.
*/
static inline void RNDIS_Host_USBTask(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
static inline void RNDIS_Host_USBTask(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo)
{
(void)RNDISInterfaceInfo;
}
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Function Prototypes: */
#if defined(__INCLUDE_FROM_RNDIS_HOST_C)
static uint8_t RNDIS_SendEncapsulatedCommand(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
void* Buffer,
const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1)
ATTR_NON_NULL_PTR_ARG(2);
static uint8_t RNDIS_GetEncapsulatedResponse(USB_ClassInfo_RNDIS_Host_t* const RNDISInterfaceInfo,
void* Buffer,
const uint16_t Length) ATTR_NON_NULL_PTR_ARG(1)
ATTR_NON_NULL_PTR_ARG(2);
static uint8_t DCOMP_RNDIS_Host_NextRNDISControlInterface(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
static uint8_t DCOMP_RNDIS_Host_NextRNDISDataInterface(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
static uint8_t DCOMP_RNDIS_Host_NextRNDISInterfaceEndpoint(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
#endif
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */

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@ -0,0 +1,436 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#define __INCLUDE_FROM_USB_DRIVER
#include "../../Core/USBMode.h"
#if defined(USB_CAN_BE_HOST)
#define __INCLUDE_FROM_SI_DRIVER
#define __INCLUDE_FROM_STILLIMAGE_HOST_C
#include "StillImageClassHost.h"
uint8_t SI_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData)
{
USB_Descriptor_Endpoint_t* DataINEndpoint = NULL;
USB_Descriptor_Endpoint_t* DataOUTEndpoint = NULL;
USB_Descriptor_Endpoint_t* EventsEndpoint = NULL;
USB_Descriptor_Interface_t* StillImageInterface = NULL;
memset(&SIInterfaceInfo->State, 0x00, sizeof(SIInterfaceInfo->State));
if (DESCRIPTOR_TYPE(ConfigDescriptorData) != DTYPE_Configuration)
return SI_ENUMERROR_InvalidConfigDescriptor;
while (!(DataINEndpoint) || !(DataOUTEndpoint) || !(EventsEndpoint))
{
if (!(StillImageInterface) ||
USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_SI_Host_NextSIInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
DCOMP_SI_Host_NextSIInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
return SI_ENUMERROR_NoCompatibleInterfaceFound;
}
StillImageInterface = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Interface_t);
DataINEndpoint = NULL;
DataOUTEndpoint = NULL;
EventsEndpoint = NULL;
continue;
}
USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(ConfigDescriptorData, USB_Descriptor_Endpoint_t);
if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
{
if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
EventsEndpoint = EndpointData;
else
DataINEndpoint = EndpointData;
}
else
{
DataOUTEndpoint = EndpointData;
}
}
SIInterfaceInfo->Config.DataINPipe.Size = le16_to_cpu(DataINEndpoint->EndpointSize);
SIInterfaceInfo->Config.DataINPipe.EndpointAddress = DataINEndpoint->EndpointAddress;
SIInterfaceInfo->Config.DataINPipe.Type = EP_TYPE_BULK;
SIInterfaceInfo->Config.DataOUTPipe.Size = le16_to_cpu(DataOUTEndpoint->EndpointSize);
SIInterfaceInfo->Config.DataOUTPipe.EndpointAddress = DataOUTEndpoint->EndpointAddress;
SIInterfaceInfo->Config.DataOUTPipe.Type = EP_TYPE_BULK;
SIInterfaceInfo->Config.EventsPipe.Size = le16_to_cpu(EventsEndpoint->EndpointSize);
SIInterfaceInfo->Config.EventsPipe.EndpointAddress = EventsEndpoint->EndpointAddress;
SIInterfaceInfo->Config.EventsPipe.Type = EP_TYPE_INTERRUPT;
if (!(Pipe_ConfigurePipeTable(&SIInterfaceInfo->Config.DataINPipe, 1)))
return SI_ENUMERROR_PipeConfigurationFailed;
if (!(Pipe_ConfigurePipeTable(&SIInterfaceInfo->Config.DataOUTPipe, 1)))
return SI_ENUMERROR_PipeConfigurationFailed;
if (!(Pipe_ConfigurePipeTable(&SIInterfaceInfo->Config.EventsPipe, 1)))
return SI_ENUMERROR_PipeConfigurationFailed;
SIInterfaceInfo->State.InterfaceNumber = StillImageInterface->InterfaceNumber;
SIInterfaceInfo->State.IsActive = true;
return SI_ENUMERROR_NoError;
}
uint8_t DCOMP_SI_Host_NextSIInterface(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Interface)
{
USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
if ((Interface->Class == SI_CSCP_StillImageClass) &&
(Interface->SubClass == SI_CSCP_StillImageSubclass) &&
(Interface->Protocol == SI_CSCP_BulkOnlyProtocol))
{
return DESCRIPTOR_SEARCH_Found;
}
}
return DESCRIPTOR_SEARCH_NotFound;
}
uint8_t DCOMP_SI_Host_NextSIInterfaceEndpoint(void* const CurrentDescriptor)
{
USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
if (Header->Type == DTYPE_Endpoint)
{
USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
uint8_t EndpointType = (Endpoint->Attributes & EP_TYPE_MASK);
if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&
(!(Pipe_IsEndpointBound(Endpoint->EndpointAddress))))
{
return DESCRIPTOR_SEARCH_Found;
}
}
else if (Header->Type == DTYPE_Interface)
{
return DESCRIPTOR_SEARCH_Fail;
}
return DESCRIPTOR_SEARCH_NotFound;
}
uint8_t SI_Host_SendBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
PIMA_Container_t* const PIMAHeader)
{
uint8_t ErrorCode;
if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
if (SIInterfaceInfo->State.IsSessionOpen)
PIMAHeader->TransactionID = cpu_to_le32(SIInterfaceInfo->State.TransactionID++);
Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if ((ErrorCode = Pipe_Write_Stream_LE(PIMAHeader, PIMA_COMMAND_SIZE(0), NULL)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
uint8_t ParamBytes = (PIMAHeader->DataLength - PIMA_COMMAND_SIZE(0));
if (ParamBytes)
{
if ((ErrorCode = Pipe_Write_Stream_LE(&PIMAHeader->Params, ParamBytes, NULL)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
}
Pipe_ClearOUT();
Pipe_Freeze();
return PIPE_RWSTREAM_NoError;
}
uint8_t SI_Host_ReceiveBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
PIMA_Container_t* const PIMAHeader)
{
uint16_t TimeoutMSRem = SI_COMMAND_DATA_TIMEOUT_MS;
uint16_t PreviousFrameNumber = USB_Host_GetFrameNumber();
if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
while (!(Pipe_IsINReceived()))
{
uint16_t CurrentFrameNumber = USB_Host_GetFrameNumber();
if (CurrentFrameNumber != PreviousFrameNumber)
{
PreviousFrameNumber = CurrentFrameNumber;
if (!(TimeoutMSRem--))
return PIPE_RWSTREAM_Timeout;
}
Pipe_Freeze();
Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
if (Pipe_IsStalled())
{
USB_Host_ClearEndpointStall(Pipe_GetBoundEndpointAddress());
return PIPE_RWSTREAM_PipeStalled;
}
Pipe_Freeze();
Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
if (Pipe_IsStalled())
{
USB_Host_ClearEndpointStall(Pipe_GetBoundEndpointAddress());
return PIPE_RWSTREAM_PipeStalled;
}
if (USB_HostState == HOST_STATE_Unattached)
return PIPE_RWSTREAM_DeviceDisconnected;
}
Pipe_Read_Stream_LE(PIMAHeader, PIMA_COMMAND_SIZE(0), NULL);
if (PIMAHeader->Type == CPU_TO_LE16(PIMA_CONTAINER_ResponseBlock))
{
uint8_t ParamBytes = (PIMAHeader->DataLength - PIMA_COMMAND_SIZE(0));
if (ParamBytes)
Pipe_Read_Stream_LE(&PIMAHeader->Params, ParamBytes, NULL);
Pipe_ClearIN();
}
Pipe_Freeze();
return PIPE_RWSTREAM_NoError;
}
uint8_t SI_Host_SendData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
const void* Buffer,
const uint16_t Bytes)
{
uint8_t ErrorCode;
if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
Pipe_SelectPipe(SIInterfaceInfo->Config.DataOUTPipe.Address);
Pipe_Unfreeze();
ErrorCode = Pipe_Write_Stream_LE(Buffer, Bytes, NULL);
Pipe_ClearOUT();
Pipe_Freeze();
return ErrorCode;
}
uint8_t SI_Host_ReadData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
void* Buffer,
const uint16_t Bytes)
{
uint8_t ErrorCode;
if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
Pipe_SelectPipe(SIInterfaceInfo->Config.DataINPipe.Address);
Pipe_Unfreeze();
ErrorCode = Pipe_Read_Stream_LE(Buffer, Bytes, NULL);
Pipe_Freeze();
return ErrorCode;
}
bool SI_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
bool IsEventReceived = false;
if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return false;
Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipe.Address);
Pipe_Unfreeze();
if (Pipe_IsINReceived())
IsEventReceived = true;
Pipe_Freeze();
return IsEventReceived;
}
uint8_t SI_Host_ReceiveEventHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
PIMA_Container_t* const PIMAHeader)
{
uint8_t ErrorCode;
if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
Pipe_SelectPipe(SIInterfaceInfo->Config.EventsPipe.Address);
Pipe_Unfreeze();
ErrorCode = Pipe_Read_Stream_LE(PIMAHeader, sizeof(PIMA_Container_t), NULL);
Pipe_ClearIN();
Pipe_Freeze();
return ErrorCode;
}
uint8_t SI_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
uint8_t ErrorCode;
SIInterfaceInfo->State.TransactionID = 0;
SIInterfaceInfo->State.IsSessionOpen = false;
PIMA_Container_t PIMABlock = (PIMA_Container_t)
{
.DataLength = CPU_TO_LE32(PIMA_COMMAND_SIZE(1)),
.Type = CPU_TO_LE16(PIMA_CONTAINER_CommandBlock),
.Code = CPU_TO_LE16(0x1002),
.Params = {CPU_TO_LE32(1)},
};
if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
if ((ErrorCode = SI_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
if ((PIMABlock.Type != CPU_TO_LE16(PIMA_CONTAINER_ResponseBlock)) || (PIMABlock.Code != CPU_TO_LE16(0x2001)))
return SI_ERROR_LOGICAL_CMD_FAILED;
SIInterfaceInfo->State.IsSessionOpen = true;
return PIPE_RWSTREAM_NoError;
}
uint8_t SI_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
uint8_t ErrorCode;
PIMA_Container_t PIMABlock = (PIMA_Container_t)
{
.DataLength = CPU_TO_LE32(PIMA_COMMAND_SIZE(1)),
.Type = CPU_TO_LE16(PIMA_CONTAINER_CommandBlock),
.Code = CPU_TO_LE16(0x1003),
.Params = {CPU_TO_LE32(1)},
};
if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
if ((ErrorCode = SI_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
SIInterfaceInfo->State.IsSessionOpen = false;
if ((PIMABlock.Type != CPU_TO_LE16(PIMA_CONTAINER_ResponseBlock)) || (PIMABlock.Code != CPU_TO_LE16(0x2001)))
return SI_ERROR_LOGICAL_CMD_FAILED;
return PIPE_RWSTREAM_NoError;
}
uint8_t SI_Host_SendCommand(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
const uint16_t Operation,
const uint8_t TotalParams,
uint32_t* const Params)
{
if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
uint8_t ErrorCode;
PIMA_Container_t PIMABlock = (PIMA_Container_t)
{
.DataLength = cpu_to_le32(PIMA_COMMAND_SIZE(TotalParams)),
.Type = CPU_TO_LE16(PIMA_CONTAINER_CommandBlock),
.Code = cpu_to_le16(Operation),
};
memcpy(&PIMABlock.Params, Params, sizeof(uint32_t) * TotalParams);
if ((ErrorCode = SI_Host_SendBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
return PIPE_RWSTREAM_NoError;
}
uint8_t SI_Host_ReceiveResponse(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
uint8_t ErrorCode;
PIMA_Container_t PIMABlock;
if ((USB_HostState != HOST_STATE_Configured) || !(SIInterfaceInfo->State.IsActive))
return PIPE_RWSTREAM_DeviceDisconnected;
if ((ErrorCode = SI_Host_ReceiveBlockHeader(SIInterfaceInfo, &PIMABlock)) != PIPE_RWSTREAM_NoError)
return ErrorCode;
if ((PIMABlock.Type != CPU_TO_LE16(PIMA_CONTAINER_ResponseBlock)) || (PIMABlock.Code != CPU_TO_LE16(0x2001)))
return SI_ERROR_LOGICAL_CMD_FAILED;
return PIPE_RWSTREAM_NoError;
}
#endif

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@ -0,0 +1,317 @@
/*
LUFA Library
Copyright (C) Dean Camera, 2014.
dean [at] fourwalledcubicle [dot] com
www.lufa-lib.org
*/
/*
Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaims all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
/** \file
* \brief Host mode driver for the library USB Still Image Class driver.
*
* Host mode driver for the library USB Still Image Class driver.
*
* \note This file should not be included directly. It is automatically included as needed by the USB module driver
* dispatch header located in LUFA/Drivers/USB.h.
*/
/** \ingroup Group_USBClassSI
* \defgroup Group_USBClassStillImageHost Still Image Class Host Mode Driver
*
* \section Sec_USBClassStillImageHost_Dependencies Module Source Dependencies
* The following files must be built with any user project that uses this module:
* - LUFA/Drivers/USB/Class/Host/StillImageClassHost.c <i>(Makefile source module name: LUFA_SRC_USBCLASS)</i>
*
* \section Sec_USBClassStillImageHost_ModDescription Module Description
* Host Mode USB Class driver framework interface, for the Still Image USB Class driver.
*
* @{
*/
#ifndef __SI_CLASS_HOST_H__
#define __SI_CLASS_HOST_H__
/* Includes: */
#include "../../USB.h"
#include "../Common/StillImageClassCommon.h"
/* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
#endif
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_SI_DRIVER)
#error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
#endif
/* Public Interface - May be used in end-application: */
/* Macros: */
/** Error code for some Still Image Host functions, indicating a logical (and not hardware) error. */
#define SI_ERROR_LOGICAL_CMD_FAILED 0x80
/* Type Defines: */
/** \brief Still Image Class Host Mode Configuration and State Structure.
*
* Class state structure. An instance of this structure should be made within the user application,
* and passed to each of the Still Image class driver functions as the \c SIInterfaceInfo parameter. This
* stores each Still Image interface's configuration and state information.
*/
typedef struct
{
struct
{
USB_Pipe_Table_t DataINPipe; /**< Data IN Pipe configuration table. */
USB_Pipe_Table_t DataOUTPipe; /**< Data OUT Pipe configuration table. */
USB_Pipe_Table_t EventsPipe; /**< Event notification IN Pipe configuration table. */
} Config; /**< Config data for the USB class interface within the device. All elements in this section
* <b>must</b> be set or the interface will fail to enumerate and operate correctly.
*/
struct
{
bool IsActive; /**< Indicates if the current interface instance is connected to an attached device, valid
* after \ref SI_Host_ConfigurePipes() is called and the Host state machine is in the
* Configured state.
*/
uint8_t InterfaceNumber; /**< Interface index of the Still Image interface within the attached device. */
bool IsSessionOpen; /**< Indicates if a PIMA session is currently open with the attached device. */
uint32_t TransactionID; /**< Transaction ID for the next transaction to send to the device. */
} State; /**< State data for the USB class interface within the device. All elements in this section
* <b>may</b> be set to initial values, but may also be ignored to default to sane values when
* the interface is enumerated.
*/
} USB_ClassInfo_SI_Host_t;
/* Enums: */
/** Enum for the possible error codes returned by the \ref SI_Host_ConfigurePipes() function. */
enum SI_Host_EnumerationFailure_ErrorCodes_t
{
SI_ENUMERROR_NoError = 0, /**< Configuration Descriptor was processed successfully. */
SI_ENUMERROR_InvalidConfigDescriptor = 1, /**< The device returned an invalid Configuration Descriptor. */
SI_ENUMERROR_NoCompatibleInterfaceFound = 2, /**< A compatible Still Image interface was not found in the device's
* Configuration Descriptor.
*/
SI_ENUMERROR_PipeConfigurationFailed = 3, /**< One or more pipes for the specified interface could not be configured correctly. */
};
/* Function Prototypes: */
/** Host interface configuration routine, to configure a given Still Image host interface instance using the
* Configuration Descriptor read from an attached USB device. This function automatically updates the given Still
* Image Host instance's state values and configures the pipes required to communicate with the interface if it is
* found within the device. This should be called once after the stack has enumerated the attached device, while
* the host state machine is in the Addressed state.
*
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
* \param[in] ConfigDescriptorSize Length of the attached device's Configuration Descriptor.
* \param[in] ConfigDescriptorData Pointer to a buffer containing the attached device's Configuration Descriptor.
*
* \return A value from the \ref SI_Host_EnumerationFailure_ErrorCodes_t enum.
*/
uint8_t SI_Host_ConfigurePipes(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
uint16_t ConfigDescriptorSize,
void* ConfigDescriptorData) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(3);
/** Opens a new PIMA session with the attached device. This should be used before any session-orientated PIMA commands
* are issued to the device. Only one session can be open at the one time.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
* returned a logical command failure.
*/
uint8_t SI_Host_OpenSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Closes an already opened PIMA session with the attached device. This should be used after all session-orientated
* PIMA commands have been issued to the device.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
* returned a logical command failure.
*/
uint8_t SI_Host_CloseSession(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Sends a raw PIMA block header to the device, filling out the transaction ID automatically. This can be used to send
* arbitrary PIMA blocks to the device with or without parameters.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
* \param[in] PIMAHeader Pointer to a PIMA container structure that is to be sent.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t SI_Host_SendBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
PIMA_Container_t* const PIMAHeader) ATTR_NON_NULL_PTR_ARG(1)
ATTR_NON_NULL_PTR_ARG(2);
/** Receives a raw PIMA block header from the device. This can be used to receive arbitrary PIMA blocks from the device with
* or without parameters.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
* \param[out] PIMAHeader Pointer to a PIMA container structure where the received block is to be stored.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t SI_Host_ReceiveBlockHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
PIMA_Container_t* const PIMAHeader) ATTR_NON_NULL_PTR_ARG(1)
ATTR_NON_NULL_PTR_ARG(2);
/** Sends a given PIMA command to the attached device, filling out the PIMA command header's Transaction ID automatically.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
* \param[in] Operation PIMA operation code to issue to the device.
* \param[in] TotalParams Total number of 32-bit parameters to send to the device in the issued command block.
* \param[in] Params Pointer to an array of 32-bit values containing the parameters to send in the command block.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
* returned a logical command failure.
*/
uint8_t SI_Host_SendCommand(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
const uint16_t Operation,
const uint8_t TotalParams,
uint32_t* const Params) ATTR_NON_NULL_PTR_ARG(1);
/** Receives and checks a response block from the attached Still Image device, once a command has been issued and all data
* associated with the command has been transferred.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
* returned a logical command failure.
*/
uint8_t SI_Host_ReceiveResponse(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Indicates if the device has issued a PIMA event block to the host via the asynchronous events pipe.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
*
* \return Boolean \c true if an event is waiting to be read, \c false otherwise.
*/
bool SI_Host_IsEventReceived(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1);
/** Receives an asynchronous event block from the device via the asynchronous events pipe.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
* \param[out] PIMAHeader Pointer to a PIMA container structure where the event should be stored.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum, or \ref SI_ERROR_LOGICAL_CMD_FAILED if the device
* returned a logical command failure.
*/
uint8_t SI_Host_ReceiveEventHeader(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
PIMA_Container_t* const PIMAHeader) ATTR_NON_NULL_PTR_ARG(1)
ATTR_NON_NULL_PTR_ARG(2);
/** Sends arbitrary data to the attached device, for use in the data phase of PIMA commands which require data
* transfer beyond the regular PIMA command block parameters.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
* \param[in] Buffer Pointer to a buffer where the data to send has been stored.
* \param[in] Bytes Length in bytes of the data in the buffer to send to the attached device.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t SI_Host_SendData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
const void* Buffer,
const uint16_t Bytes) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/** Receives arbitrary data from the attached device, for use in the data phase of PIMA commands which require data
* transfer beyond the regular PIMA command block parameters.
*
* \pre This function must only be called when the Host state machine is in the \ref HOST_STATE_Configured state or the
* call will fail.
*
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
* \param[out] Buffer Pointer to a buffer where the received data is to be stored.
* \param[in] Bytes Length in bytes of the data to read.
*
* \return A value from the \ref Pipe_Stream_RW_ErrorCodes_t enum.
*/
uint8_t SI_Host_ReadData(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo,
void* Buffer,
const uint16_t Bytes) ATTR_NON_NULL_PTR_ARG(1) ATTR_NON_NULL_PTR_ARG(2);
/* Inline Functions: */
/** General management task for a given Still Image host class interface, required for the correct operation of the
* interface. This should be called frequently in the main program loop, before the master USB management task
* \ref USB_USBTask().
*
* \param[in,out] SIInterfaceInfo Pointer to a structure containing a Still Image Class host configuration and state.
*/
static inline void SI_Host_USBTask(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo) ATTR_NON_NULL_PTR_ARG(1) ATTR_ALWAYS_INLINE;
static inline void SI_Host_USBTask(USB_ClassInfo_SI_Host_t* const SIInterfaceInfo)
{
(void)SIInterfaceInfo;
}
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
#define SI_COMMAND_DATA_TIMEOUT_MS 10000
/* Function Prototypes: */
#if defined(__INCLUDE_FROM_STILLIMAGE_HOST_C)
static uint8_t DCOMP_SI_Host_NextSIInterface(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
static uint8_t DCOMP_SI_Host_NextSIInterfaceEndpoint(void* const CurrentDescriptor)
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(1);
#endif
#endif
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
#endif
#endif
/** @} */