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added protocol stack: pjrc, vusb

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This commit is contained in:
tmk 2011-02-09 00:03:58 +09:00
parent 5552b5afea
commit acc974c64b
55 changed files with 836 additions and 1832 deletions
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40
pjrc/jump_bootloader.c Normal file
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// this code from:
// http://www.pjrc.com/teensy/jump_to_bootloader.html
#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
void jump_bootloader(void) {
cli();
// disable watchdog, if enabled
// disable all peripherals
UDCON = 1;
USBCON = (1<<FRZCLK); // disable USB
UCSR1B = 0;
_delay_ms(5);
#if defined(__AVR_AT90USB162__) // Teensy 1.0
EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0;
TIMSK0 = 0; TIMSK1 = 0; UCSR1B = 0;
DDRB = 0; DDRC = 0; DDRD = 0;
PORTB = 0; PORTC = 0; PORTD = 0;
asm volatile("jmp 0x3E00");
#elif defined(__AVR_ATmega32U4__) // Teensy 2.0
EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0;
TIMSK0 = 0; TIMSK1 = 0; TIMSK3 = 0; TIMSK4 = 0; UCSR1B = 0; TWCR = 0;
DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0; TWCR = 0;
PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0;
asm volatile("jmp 0x7E00");
#elif defined(__AVR_AT90USB646__) // Teensy++ 1.0
EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0;
TIMSK0 = 0; TIMSK1 = 0; TIMSK2 = 0; TIMSK3 = 0; UCSR1B = 0; TWCR = 0;
DDRA = 0; DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0;
PORTA = 0; PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0;
asm volatile("jmp 0xFC00");
#elif defined(__AVR_AT90USB1286__) // Teensy++ 2.0
EIMSK = 0; PCICR = 0; SPCR = 0; ACSR = 0; EECR = 0; ADCSRA = 0;
TIMSK0 = 0; TIMSK1 = 0; TIMSK2 = 0; TIMSK3 = 0; UCSR1B = 0; TWCR = 0;
DDRA = 0; DDRB = 0; DDRC = 0; DDRD = 0; DDRE = 0; DDRF = 0;
PORTA = 0; PORTB = 0; PORTC = 0; PORTD = 0; PORTE = 0; PORTF = 0;
asm volatile("jmp 0x1FC00");
#endif
}

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pjrc/jump_bootloader.h Normal file
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#ifndef JUMP_BOOTLOADER_H
#define JUMP_BOOTLOADER_H 1
void jump_bootloader(void);
#endif

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pjrc/usb.c Executable file
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/* USB Keyboard Plus Debug Channel Example for Teensy USB Development Board
* http://www.pjrc.com/teensy/usb_keyboard.html
* Copyright (c) 2009 PJRC.COM, LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include <stdint.h>
#include <stdbool.h>
#include <avr/io.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
#include "usb.h"
#include "usb_keyboard.h"
#include "usb_mouse.h"
#include "usb_debug.h"
#include "usb_extra.h"
#include "print.h"
#include "util.h"
/**************************************************************************
*
* Configurable Options
*
**************************************************************************/
// You can change these to give your code its own name.
#ifndef MANUFACTURER
# define STR_MANUFACTURER L"t.m.k."
#else
# define STR_MANUFACTURER LSTR(MANUFACTURER)
#endif
#ifndef PRODUCT
# define STR_PRODUCT L"t.m.k. keyboard"
#else
# define STR_PRODUCT LSTR(PRODUCT)
#endif
// Mac OS-X and Linux automatically load the correct drivers. On
// Windows, even though the driver is supplied by Microsoft, an
// INF file is needed to load the driver. These numbers need to
// match the INF file.
#ifndef VENDOR_ID
# define VENDOR_ID 0xFEED
#endif
#ifndef PRODUCT_ID
# define PRODUCT_ID 0xBABE
#endif
// USB devices are supposed to implment a halt feature, which is
// rarely (if ever) used. If you comment this line out, the halt
// code will be removed, saving 102 bytes of space (gcc 4.3.0).
// This is not strictly USB compliant, but works with all major
// operating systems.
#define SUPPORT_ENDPOINT_HALT
/**************************************************************************
*
* Endpoint Buffer Configuration
*
**************************************************************************/
#define ENDPOINT0_SIZE 32
bool remote_wakeup = false;
bool suspend = false;
// 0:control endpoint is enabled automatically by controller.
static const uint8_t PROGMEM endpoint_config_table[] = {
// enable, UECFG0X(type, direction), UECFG1X(size, bank, allocation)
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KBD_SIZE) | KBD_BUFFER, // 1
#ifdef USB_MOUSE_ENABLE
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(MOUSE_SIZE) | MOUSE_BUFFER, // 2
#else
0, // 2
#endif
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(DEBUG_TX_SIZE) | DEBUG_TX_BUFFER, // 3
#ifdef USB_EXTRA_ENABLE
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(EXTRA_SIZE) | EXTRA_BUFFER, // 4
#else
0, // 4
#endif
#ifdef USB_NKRO_ENABLE
1, EP_TYPE_INTERRUPT_IN, EP_SIZE(KBD2_SIZE) | KBD2_BUFFER, // 5
#else
0, // 5
#endif
0, // 6
};
/**************************************************************************
*
* Descriptor Data
*
**************************************************************************/
// Descriptors are the data that your computer reads when it auto-detects
// this USB device (called "enumeration" in USB lingo). The most commonly
// changed items are editable at the top of this file. Changing things
// in here should only be done by those who've read chapter 9 of the USB
// spec and relevant portions of any USB class specifications!
static uint8_t PROGMEM device_descriptor[] = {
18, // bLength
1, // bDescriptorType
0x00, 0x02, // bcdUSB
0, // bDeviceClass
0, // bDeviceSubClass
0, // bDeviceProtocol
ENDPOINT0_SIZE, // bMaxPacketSize0
LSB(VENDOR_ID), MSB(VENDOR_ID), // idVendor
LSB(PRODUCT_ID), MSB(PRODUCT_ID), // idProduct
0x00, 0x01, // bcdDevice
1, // iManufacturer
2, // iProduct
0, // iSerialNumber
1 // bNumConfigurations
};
// Keyboard Protocol 1, HID 1.11 spec, Appendix B, page 59-60
static uint8_t PROGMEM keyboard_hid_report_desc[] = {
0x05, 0x01, // Usage Page (Generic Desktop),
0x09, 0x06, // Usage (Keyboard),
0xA1, 0x01, // Collection (Application),
0x75, 0x01, // Report Size (1),
0x95, 0x08, // Report Count (8),
0x05, 0x07, // Usage Page (Key Codes),
0x19, 0xE0, // Usage Minimum (224),
0x29, 0xE7, // Usage Maximum (231),
0x15, 0x00, // Logical Minimum (0),
0x25, 0x01, // Logical Maximum (1),
0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
0x95, 0x01, // Report Count (1),
0x75, 0x08, // Report Size (8),
0x81, 0x03, // Input (Constant), ;Reserved byte
0x95, 0x05, // Report Count (5),
0x75, 0x01, // Report Size (1),
0x05, 0x08, // Usage Page (LEDs),
0x19, 0x01, // Usage Minimum (1),
0x29, 0x05, // Usage Maximum (5),
0x91, 0x02, // Output (Data, Variable, Absolute), ;LED report
0x95, 0x01, // Report Count (1),
0x75, 0x03, // Report Size (3),
0x91, 0x03, // Output (Constant), ;LED report padding
0x95, KBD_REPORT_KEYS, // Report Count (),
0x75, 0x08, // Report Size (8),
0x15, 0x00, // Logical Minimum (0),
0x25, 0xFF, // Logical Maximum(255),
0x05, 0x07, // Usage Page (Key Codes),
0x19, 0x00, // Usage Minimum (0),
0x29, 0xFF, // Usage Maximum (255),
0x81, 0x00, // Input (Data, Array),
0xc0 // End Collection
};
#ifdef USB_NKRO_ENABLE
static uint8_t PROGMEM keyboard2_hid_report_desc[] = {
0x05, 0x01, // Usage Page (Generic Desktop),
0x09, 0x06, // Usage (Keyboard),
0xA1, 0x01, // Collection (Application),
// bitmap of modifiers
0x75, 0x01, // Report Size (1),
0x95, 0x08, // Report Count (8),
0x05, 0x07, // Usage Page (Key Codes),
0x19, 0xE0, // Usage Minimum (224),
0x29, 0xE7, // Usage Maximum (231),
0x15, 0x00, // Logical Minimum (0),
0x25, 0x01, // Logical Maximum (1),
0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
// LED output report
0x95, 0x05, // Report Count (5),
0x75, 0x01, // Report Size (1),
0x05, 0x08, // Usage Page (LEDs),
0x19, 0x01, // Usage Minimum (1),
0x29, 0x05, // Usage Maximum (5),
0x91, 0x02, // Output (Data, Variable, Absolute),
0x95, 0x01, // Report Count (1),
0x75, 0x03, // Report Size (3),
0x91, 0x03, // Output (Constant),
// bitmap of keys
0x95, KBD2_REPORT_KEYS*8, // Report Count (),
0x75, 0x01, // Report Size (1),
0x15, 0x00, // Logical Minimum (0),
0x25, 0x01, // Logical Maximum(1),
0x05, 0x07, // Usage Page (Key Codes),
0x19, 0x00, // Usage Minimum (0),
0x29, KBD2_REPORT_KEYS*8-1, // Usage Maximum (),
0x81, 0x02, // Input (Data, Variable, Absolute),
0xc0 // End Collection
};
#endif
#ifdef USB_MOUSE_ENABLE
// Mouse Protocol 1, HID 1.11 spec, Appendix B, page 59-60, with wheel extension
// http://www.microchip.com/forums/tm.aspx?high=&m=391435&mpage=1#391521
// http://www.keil.com/forum/15671/
// http://www.microsoft.com/whdc/device/input/wheel.mspx
static uint8_t PROGMEM mouse_hid_report_desc[] = {
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x02, // USAGE (Mouse)
0xa1, 0x01, // COLLECTION (Application)
0x09, 0x02, // USAGE (Mouse)
0xa1, 0x02, // COLLECTION (Logical)
0x09, 0x01, // USAGE (Pointer)
0xa1, 0x00, // COLLECTION (Physical)
// ------------------------------ Buttons
0x05, 0x09, // USAGE_PAGE (Button)
0x19, 0x01, // USAGE_MINIMUM (Button 1)
0x29, 0x05, // USAGE_MAXIMUM (Button 5)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x75, 0x01, // REPORT_SIZE (1)
0x95, 0x05, // REPORT_COUNT (5)
0x81, 0x02, // INPUT (Data,Var,Abs)
// ------------------------------ Padding
0x75, 0x03, // REPORT_SIZE (3)
0x95, 0x01, // REPORT_COUNT (1)
0x81, 0x03, // INPUT (Cnst,Var,Abs)
// ------------------------------ X,Y position
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x30, // USAGE (X)
0x09, 0x31, // USAGE (Y)
0x15, 0x81, // LOGICAL_MINIMUM (-127)
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
0x75, 0x08, // REPORT_SIZE (8)
0x95, 0x02, // REPORT_COUNT (2)
0x81, 0x06, // INPUT (Data,Var,Rel)
0xa1, 0x02, // COLLECTION (Logical)
// ------------------------------ Vertical wheel res multiplier
0x09, 0x48, // USAGE (Resolution Multiplier)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x35, 0x01, // PHYSICAL_MINIMUM (1)
0x45, 0x04, // PHYSICAL_MAXIMUM (4)
0x75, 0x02, // REPORT_SIZE (2)
0x95, 0x01, // REPORT_COUNT (1)
0xa4, // PUSH
0xb1, 0x02, // FEATURE (Data,Var,Abs)
// ------------------------------ Vertical wheel
0x09, 0x38, // USAGE (Wheel)
0x15, 0x81, // LOGICAL_MINIMUM (-127)
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
0x35, 0x00, // PHYSICAL_MINIMUM (0) - reset physical
0x45, 0x00, // PHYSICAL_MAXIMUM (0)
0x75, 0x08, // REPORT_SIZE (8)
0x81, 0x06, // INPUT (Data,Var,Rel)
0xc0, // END_COLLECTION
0xa1, 0x02, // COLLECTION (Logical)
// ------------------------------ Horizontal wheel res multiplier
0x09, 0x48, // USAGE (Resolution Multiplier)
0xb4, // POP
0xb1, 0x02, // FEATURE (Data,Var,Abs)
// ------------------------------ Padding for Feature report
0x35, 0x00, // PHYSICAL_MINIMUM (0) - reset physical
0x45, 0x00, // PHYSICAL_MAXIMUM (0)
0x75, 0x04, // REPORT_SIZE (4)
0xb1, 0x03, // FEATURE (Cnst,Var,Abs)
// ------------------------------ Horizontal wheel
0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
0x0a, 0x38, 0x02, // USAGE (AC Pan)
0x15, 0x81, // LOGICAL_MINIMUM (-127)
0x25, 0x7f, // LOGICAL_MAXIMUM (127)
0x75, 0x08, // REPORT_SIZE (8)
0x81, 0x06, // INPUT (Data,Var,Rel)
0xc0, // END_COLLECTION
0xc0, // END_COLLECTION
0xc0, // END_COLLECTION
0xc0 // END_COLLECTION
};
#endif
static uint8_t PROGMEM debug_hid_report_desc[] = {
0x06, 0x31, 0xFF, // Usage Page 0xFF31 (vendor defined)
0x09, 0x74, // Usage 0x74
0xA1, 0x53, // Collection 0x53
0x75, 0x08, // report size = 8 bits
0x15, 0x00, // logical minimum = 0
0x26, 0xFF, 0x00, // logical maximum = 255
0x95, DEBUG_TX_SIZE, // report count
0x09, 0x75, // usage
0x81, 0x02, // Input (array)
0xC0 // end collection
};
#ifdef USB_EXTRA_ENABLE
// audio controls & system controls
// http://www.microsoft.com/whdc/archive/w2kbd.mspx
static uint8_t PROGMEM extra_hid_report_desc[] = {
0x05, 0x0c, // USAGE_PAGE (Consumer Devices)
0x09, 0x01, // USAGE (Consumer Control)
0xa1, 0x01, // COLLECTION (Application)
0x85, 0x01, // REPORT_ID (1)
0x09, 0xe9, // USAGE (Volume Up)
0x09, 0xea, // USAGE (Volume Down)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x75, 0x01, // REPORT_SIZE (1)
0x95, 0x02, // REPORT_COUNT (2)
0x81, 0x02, // INPUT (Data,Var,Abs)
0x09, 0xe2, // USAGE (Mute)
0x15, 0x00, // LOGICAL_MINIMUM (0)
0x25, 0x01, // LOGICAL_MAXIMUM (1)
0x75, 0x01, // REPORT_SIZE (1)
0x95, 0x01, // REPORT_COUNT (1)
0x81, 0x06, // INPUT (Data,Var,Rel)
0x95, 0x05, // REPORT_COUNT (5)
0x81, 0x07, // INPUT (Cnst,Var,Abs)
0xc0, // END_COLLECTION
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
0x09, 0x80, // USAGE (System Control)
0xa1, 0x01, // COLLECTION (Application)
0x85, 0x02, // REPORT_ID (2)
0x19, 0x81, // USAGE_MINIMUM (System Power Down)
0x29, 0x83, // USAGE_MAXIMUM (System Wake Up)
0x95, 0x03, // REPORT_COUNT (3)
0x81, 0x06, // INPUT (Data,Var,Rel)
0x95, 0x05, // REPORT_COUNT (5)
0x81, 0x07, // INPUT (Cnst,Var,Rel)
0xc0 // END_COLLECTION
};
#endif
#define KBD_HID_DESC_NUM 0
#define KBD_HID_DESC_OFFSET (9+(9+9+7)*KBD_HID_DESC_NUM+9)
#ifdef USB_MOUSE_ENABLE
# define MOUSE_HID_DESC_NUM (KBD_HID_DESC_NUM + 1)
# define MOUSE_HID_DESC_OFFSET (9+(9+9+7)*MOUSE_HID_DESC_NUM+9)
#else
# define MOUSE_HID_DESC_NUM (KBD_HID_DESC_NUM + 0)
#endif
#define DEBUG_HID_DESC_NUM (MOUSE_HID_DESC_NUM + 1)
#define DEBUG_HID_DESC_OFFSET (9+(9+9+7)*DEBUG_HID_DESC_NUM+9)
#ifdef USB_EXTRA_ENABLE
# define EXTRA_HID_DESC_NUM (DEBUG_HID_DESC_NUM + 1)
# define EXTRA_HID_DESC_OFFSET (9+(9+9+7)*EXTRA_HID_DESC_NUM+9)
#else
# define EXTRA_HID_DESC_NUM (DEBUG_HID_DESC_NUM + 0)
#endif
#ifdef USB_NKRO_ENABLE
# define KBD2_HID_DESC_NUM (EXTRA_HID_DESC_NUM + 1)
# define KBD2_HID_DESC_OFFSET (9+(9+9+7)*EXTRA_HID_DESC_NUM+9)
#else
# define KBD2_HID_DESC_NUM (EXTRA_HID_DESC_NUM + 0)
#endif
#define NUM_INTERFACES (KBD2_HID_DESC_NUM + 1)
#define CONFIG1_DESC_SIZE (9+(9+9+7)*NUM_INTERFACES)
static uint8_t PROGMEM config1_descriptor[CONFIG1_DESC_SIZE] = {
// configuration descriptor, USB spec 9.6.3, page 264-266, Table 9-10
9, // bLength;
2, // bDescriptorType;
LSB(CONFIG1_DESC_SIZE), // wTotalLength
MSB(CONFIG1_DESC_SIZE),
NUM_INTERFACES, // bNumInterfaces
1, // bConfigurationValue
0, // iConfiguration
0xA0, // bmAttributes
50, // bMaxPower
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
KBD_INTERFACE, // bInterfaceNumber
0, // bAlternateSetting
1, // bNumEndpoints
0x03, // bInterfaceClass (0x03 = HID)
0x01, // bInterfaceSubClass (0x01 = Boot)
0x01, // bInterfaceProtocol (0x01 = Keyboard)
0, // iInterface
// HID descriptor, HID 1.11 spec, section 6.2.1
9, // bLength
0x21, // bDescriptorType
0x11, 0x01, // bcdHID
0, // bCountryCode
1, // bNumDescriptors
0x22, // bDescriptorType
sizeof(keyboard_hid_report_desc), // wDescriptorLength
0,
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
7, // bLength
5, // bDescriptorType
KBD_ENDPOINT | 0x80, // bEndpointAddress
0x03, // bmAttributes (0x03=intr)
KBD_SIZE, 0, // wMaxPacketSize
10, // bInterval
#ifdef USB_MOUSE_ENABLE
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
MOUSE_INTERFACE, // bInterfaceNumber
0, // bAlternateSetting
1, // bNumEndpoints
0x03, // bInterfaceClass (0x03 = HID)
// ThinkPad T23 BIOS doesn't work with boot mouse.
0x00, // bInterfaceSubClass (0x01 = Boot)
0x00, // bInterfaceProtocol (0x02 = Mouse)
/*
0x01, // bInterfaceSubClass (0x01 = Boot)
0x02, // bInterfaceProtocol (0x02 = Mouse)
*/
0, // iInterface
// HID descriptor, HID 1.11 spec, section 6.2.1
9, // bLength
0x21, // bDescriptorType
0x11, 0x01, // bcdHID
0, // bCountryCode
1, // bNumDescriptors
0x22, // bDescriptorType
sizeof(mouse_hid_report_desc), // wDescriptorLength
0,
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
7, // bLength
5, // bDescriptorType
MOUSE_ENDPOINT | 0x80, // bEndpointAddress
0x03, // bmAttributes (0x03=intr)
MOUSE_SIZE, 0, // wMaxPacketSize
1, // bInterval
#endif
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
DEBUG_INTERFACE, // bInterfaceNumber
0, // bAlternateSetting
1, // bNumEndpoints
0x03, // bInterfaceClass (0x03 = HID)
0x00, // bInterfaceSubClass
0x00, // bInterfaceProtocol
0, // iInterface
// HID descriptor, HID 1.11 spec, section 6.2.1
9, // bLength
0x21, // bDescriptorType
0x11, 0x01, // bcdHID
0, // bCountryCode
1, // bNumDescriptors
0x22, // bDescriptorType
sizeof(debug_hid_report_desc), // wDescriptorLength
0,
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
7, // bLength
5, // bDescriptorType
DEBUG_TX_ENDPOINT | 0x80, // bEndpointAddress
0x03, // bmAttributes (0x03=intr)
DEBUG_TX_SIZE, 0, // wMaxPacketSize
1, // bInterval
#ifdef USB_EXTRA_ENABLE
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
EXTRA_INTERFACE, // bInterfaceNumber
0, // bAlternateSetting
1, // bNumEndpoints
0x03, // bInterfaceClass (0x03 = HID)
0x00, // bInterfaceSubClass
0x00, // bInterfaceProtocol
0, // iInterface
// HID descriptor, HID 1.11 spec, section 6.2.1
9, // bLength
0x21, // bDescriptorType
0x11, 0x01, // bcdHID
0, // bCountryCode
1, // bNumDescriptors
0x22, // bDescriptorType
sizeof(extra_hid_report_desc), // wDescriptorLength
0,
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
7, // bLength
5, // bDescriptorType
EXTRA_ENDPOINT | 0x80, // bEndpointAddress
0x03, // bmAttributes (0x03=intr)
EXTRA_SIZE, 0, // wMaxPacketSize
10, // bInterval
#endif
#ifdef USB_NKRO_ENABLE
// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
9, // bLength
4, // bDescriptorType
KBD2_INTERFACE, // bInterfaceNumber
0, // bAlternateSetting
1, // bNumEndpoints
0x03, // bInterfaceClass (0x03 = HID)
0x00, // bInterfaceSubClass (0x01 = Boot)
0x00, // bInterfaceProtocol (0x01 = Keyboard)
0, // iInterface
// HID descriptor, HID 1.11 spec, section 6.2.1
9, // bLength
0x21, // bDescriptorType
0x11, 0x01, // bcdHID
0, // bCountryCode
1, // bNumDescriptors
0x22, // bDescriptorType
sizeof(keyboard2_hid_report_desc), // wDescriptorLength
0,
// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
7, // bLength
5, // bDescriptorType
KBD2_ENDPOINT | 0x80, // bEndpointAddress
0x03, // bmAttributes (0x03=intr)
KBD2_SIZE, 0, // wMaxPacketSize
1, // bInterval
#endif
};
// If you're desperate for a little extra code memory, these strings
// can be completely removed if iManufacturer, iProduct, iSerialNumber
// in the device desciptor are changed to zeros.
struct usb_string_descriptor_struct {
uint8_t bLength;
uint8_t bDescriptorType;
int16_t wString[];
};
static struct usb_string_descriptor_struct PROGMEM string0 = {
4,
3,
{0x0409}
};
static struct usb_string_descriptor_struct PROGMEM string1 = {
sizeof(STR_MANUFACTURER),
3,
STR_MANUFACTURER
};
static struct usb_string_descriptor_struct PROGMEM string2 = {
sizeof(STR_PRODUCT),
3,
STR_PRODUCT
};
// This table defines which descriptor data is sent for each specific
// request from the host (in wValue and wIndex).
static struct descriptor_list_struct {
uint16_t wValue; // descriptor type
uint16_t wIndex;
const uint8_t *addr;
uint8_t length;
} PROGMEM descriptor_list[] = {
// DEVICE descriptor
{0x0100, 0x0000, device_descriptor, sizeof(device_descriptor)},
// CONFIGURATION descriptor
{0x0200, 0x0000, config1_descriptor, sizeof(config1_descriptor)},
// HID/REPORT descriptors
{0x2100, KBD_INTERFACE, config1_descriptor+KBD_HID_DESC_OFFSET, 9},
{0x2200, KBD_INTERFACE, keyboard_hid_report_desc, sizeof(keyboard_hid_report_desc)},
#ifdef USB_MOUSE_ENABLE
{0x2100, MOUSE_INTERFACE, config1_descriptor+MOUSE_HID_DESC_OFFSET, 9},
{0x2200, MOUSE_INTERFACE, mouse_hid_report_desc, sizeof(mouse_hid_report_desc)},
#endif
{0x2100, DEBUG_INTERFACE, config1_descriptor+DEBUG_HID_DESC_OFFSET, 9},
{0x2200, DEBUG_INTERFACE, debug_hid_report_desc, sizeof(debug_hid_report_desc)},
#ifdef USB_EXTRA_ENABLE
{0x2100, EXTRA_INTERFACE, config1_descriptor+EXTRA_HID_DESC_OFFSET, 9},
{0x2200, EXTRA_INTERFACE, extra_hid_report_desc, sizeof(extra_hid_report_desc)},
#endif
#ifdef USB_NKRO_ENABLE
{0x2100, KBD2_INTERFACE, config1_descriptor+KBD2_HID_DESC_OFFSET, 9},
{0x2200, KBD2_INTERFACE, keyboard2_hid_report_desc, sizeof(keyboard2_hid_report_desc)},
#endif
// STRING descriptors
{0x0300, 0x0000, (const uint8_t *)&string0, 4},
{0x0301, 0x0409, (const uint8_t *)&string1, sizeof(STR_MANUFACTURER)},
{0x0302, 0x0409, (const uint8_t *)&string2, sizeof(STR_PRODUCT)}
};
#define NUM_DESC_LIST (sizeof(descriptor_list)/sizeof(struct descriptor_list_struct))
/**************************************************************************
*
* Variables - these are the only non-stack RAM usage
*
**************************************************************************/
// zero when we are not configured, non-zero when enumerated
static volatile uint8_t usb_configuration=0;
/**************************************************************************
*
* Public Functions - these are the API intended for the user
*
**************************************************************************/
// initialize USB
void usb_init(void)
{
HW_CONFIG();
USB_FREEZE(); // enable USB
PLL_CONFIG(); // config PLL
while (!(PLLCSR & (1<<PLOCK))) ; // wait for PLL lock
USB_CONFIG(); // start USB clock
UDCON = 0; // enable attach resistor
usb_configuration = 0;
UDIEN = (1<<EORSTE)|(1<<SOFE)|(1<<SUSPE);
sei();
}
// return 0 if the USB is not configured, or the configuration
// number selected by the HOST
uint8_t usb_configured(void)
{
return usb_configuration && !suspend;
}
void usb_remote_wakeup(void)
{
UDCON |= (1<<RMWKUP);
}
/**************************************************************************
*
* Private Functions - not intended for general user consumption....
*
**************************************************************************/
// USB Device Interrupt - handle all device-level events
// the transmit buffer flushing is triggered by the start of frame
//
ISR(USB_GEN_vect)
{
uint8_t intbits, t, i;
static uint8_t div4=0;
intbits = UDINT;
UDINT = 0;
if (intbits & (1<<SUSPI)) {
suspend = true;
} else {
suspend = false;
}
if (intbits & (1<<EORSTI)) {
UENUM = 0;
UECONX = 1;
UECFG0X = EP_TYPE_CONTROL;
UECFG1X = EP_SIZE(ENDPOINT0_SIZE) | EP_SINGLE_BUFFER;
UEIENX = (1<<RXSTPE);
usb_configuration = 0;
}
if ((intbits & (1<<SOFI)) && usb_configuration) {
t = debug_flush_timer;
if (t) {
debug_flush_timer = -- t;
if (!t) {
UENUM = DEBUG_TX_ENDPOINT;
while ((UEINTX & (1<<RWAL))) {
UEDATX = 0;
}
UEINTX = 0x3A;
}
}
if (usb_keyboard_idle_config && (++div4 & 3) == 0) {
UENUM = KBD_ENDPOINT;
if (UEINTX & (1<<RWAL)) {
usb_keyboard_idle_count++;
if (usb_keyboard_idle_count == usb_keyboard_idle_config) {
usb_keyboard_idle_count = 0;
UEDATX = usb_keyboard_mods;
UEDATX = 0;
for (i=0; i<6; i++) {
UEDATX = usb_keyboard_keys[i];
}
UEINTX = 0x3A;
}
}
}
}
}
// Misc functions to wait for ready and send/receive packets
static inline void usb_wait_in_ready(void)
{
while (!(UEINTX & (1<<TXINI))) ;
}
static inline void usb_send_in(void)
{
UEINTX = ~(1<<TXINI);
}
static inline void usb_wait_receive_out(void)
{
while (!(UEINTX & (1<<RXOUTI))) ;
}
static inline void usb_ack_out(void)
{
UEINTX = ~(1<<RXOUTI);
}
// USB Endpoint Interrupt - endpoint 0 is handled here. The
// other endpoints are manipulated by the user-callable
// functions, and the start-of-frame interrupt.
//
ISR(USB_COM_vect)
{
uint8_t intbits;
const uint8_t *list;
const uint8_t *cfg;
uint8_t i, n, len, en;
uint8_t bmRequestType;
uint8_t bRequest;
uint16_t wValue;
uint16_t wIndex;
uint16_t wLength;
uint16_t desc_val;
const uint8_t *desc_addr;
uint8_t desc_length;
UENUM = 0;
intbits = UEINTX;
if (intbits & (1<<RXSTPI)) {
bmRequestType = UEDATX;
bRequest = UEDATX;
wValue = UEDATX;
wValue |= (UEDATX << 8);
wIndex = UEDATX;
wIndex |= (UEDATX << 8);
wLength = UEDATX;
wLength |= (UEDATX << 8);
UEINTX = ~((1<<RXSTPI) | (1<<RXOUTI) | (1<<TXINI));
if (bRequest == GET_DESCRIPTOR) {
list = (const uint8_t *)descriptor_list;
for (i=0; ; i++) {
if (i >= NUM_DESC_LIST) {
UECONX = (1<<STALLRQ)|(1<<EPEN); //stall
return;
}
desc_val = pgm_read_word(list);
if (desc_val != wValue) {
list += sizeof(struct descriptor_list_struct);
continue;
}
list += 2;
desc_val = pgm_read_word(list);
if (desc_val != wIndex) {
list += sizeof(struct descriptor_list_struct)-2;
continue;
}
list += 2;
desc_addr = (const uint8_t *)pgm_read_word(list);
list += 2;
desc_length = pgm_read_byte(list);
break;
}
len = (wLength < 256) ? wLength : 255;
if (len > desc_length) len = desc_length;
do {
// wait for host ready for IN packet
do {
i = UEINTX;
} while (!(i & ((1<<TXINI)|(1<<RXOUTI))));
if (i & (1<<RXOUTI)) return; // abort
// send IN packet
n = len < ENDPOINT0_SIZE ? len : ENDPOINT0_SIZE;
for (i = n; i; i--) {
UEDATX = pgm_read_byte(desc_addr++);
}
len -= n;
usb_send_in();
} while (len || n == ENDPOINT0_SIZE);
return;
}
if (bRequest == SET_ADDRESS) {
usb_send_in();
usb_wait_in_ready();
UDADDR = wValue | (1<<ADDEN);
return;
}
if (bRequest == SET_CONFIGURATION && bmRequestType == 0) {
usb_configuration = wValue;
usb_send_in();
cfg = endpoint_config_table;
for (i=1; i<=6; i++) {
UENUM = i;
en = pgm_read_byte(cfg++);
if (en) {
UECONX = (1<<EPEN);
UECFG0X = pgm_read_byte(cfg++);
UECFG1X = pgm_read_byte(cfg++);
} else {
UECONX = 0;
}
}
UERST = 0x7E;
UERST = 0;
return;
}
if (bRequest == GET_CONFIGURATION && bmRequestType == 0x80) {
usb_wait_in_ready();
UEDATX = usb_configuration;
usb_send_in();
return;
}
if (bRequest == GET_STATUS) {
usb_wait_in_ready();
i = 0;
#ifdef SUPPORT_ENDPOINT_HALT
if (bmRequestType == 0x82) {
UENUM = wIndex;
if (UECONX & (1<<STALLRQ)) i = 1;
UENUM = 0;
}
#endif
UEDATX = i;
UEDATX = 0;
usb_send_in();
return;
}
if (bRequest == CLEAR_FEATURE || bRequest == SET_FEATURE) {
#ifdef SUPPORT_ENDPOINT_HALT
if (bmRequestType == 0x02 && wValue == ENDPOINT_HALT) {
i = wIndex & 0x7F;
if (i >= 1 && i <= MAX_ENDPOINT) {
usb_send_in();
UENUM = i;
if (bRequest == SET_FEATURE) {
UECONX = (1<<STALLRQ)|(1<<EPEN);
} else {
UECONX = (1<<STALLRQC)|(1<<RSTDT)|(1<<EPEN);
UERST = (1 << i);
UERST = 0;
}
return;
}
}
#endif
if (bmRequestType == 0x00 && wValue == DEVICE_REMOTE_WAKEUP) {
if (bRequest == SET_FEATURE) {
remote_wakeup = true;
} else {
remote_wakeup = false;
}
usb_send_in();
return;
}
}
if (wIndex == KBD_INTERFACE) {
if (bmRequestType == 0xA1) {
if (bRequest == HID_GET_REPORT) {
usb_wait_in_ready();
UEDATX = usb_keyboard_mods;
UEDATX = 0;
for (i=0; i<6; i++) {
UEDATX = usb_keyboard_keys[i];
}
usb_send_in();
return;
}
if (bRequest == HID_GET_IDLE) {
usb_wait_in_ready();
UEDATX = usb_keyboard_idle_config;
usb_send_in();
return;
}
if (bRequest == HID_GET_PROTOCOL) {
usb_wait_in_ready();
UEDATX = usb_keyboard_protocol;
usb_send_in();
return;
}
}
if (bmRequestType == 0x21) {
if (bRequest == HID_SET_REPORT) {
usb_wait_receive_out();
usb_keyboard_leds = UEDATX;
usb_ack_out();
usb_send_in();
return;
}
if (bRequest == HID_SET_IDLE) {
usb_keyboard_idle_config = (wValue >> 8);
usb_keyboard_idle_count = 0;
//usb_wait_in_ready();
usb_send_in();
return;
}
if (bRequest == HID_SET_PROTOCOL) {
usb_keyboard_protocol = wValue;
//usb_wait_in_ready();
usb_send_in();
return;
}
}
}
#ifdef USB_MOUSE_ENABLE
if (wIndex == MOUSE_INTERFACE) {
if (bmRequestType == 0xA1) {
if (bRequest == HID_GET_REPORT) {
if (wValue == HID_REPORT_INPUT) {
usb_wait_in_ready();
UEDATX = 0;
UEDATX = 0;
UEDATX = 0;
UEDATX = 0;
usb_send_in();
return;
}
if (wValue == HID_REPORT_FEATURE) {
usb_wait_in_ready();
UEDATX = 0x05;
usb_send_in();
return;
}
}
if (bRequest == HID_GET_PROTOCOL) {
usb_wait_in_ready();
UEDATX = usb_mouse_protocol;
usb_send_in();
return;
}
}
if (bmRequestType == 0x21) {
if (bRequest == HID_SET_PROTOCOL) {
usb_mouse_protocol = wValue;
usb_send_in();
return;
}
}
}
#endif
if (wIndex == DEBUG_INTERFACE) {
if (bRequest == HID_GET_REPORT && bmRequestType == 0xA1) {
len = wLength;
do {
// wait for host ready for IN packet
do {
i = UEINTX;
} while (!(i & ((1<<TXINI)|(1<<RXOUTI))));
if (i & (1<<RXOUTI)) return; // abort
// send IN packet
n = len < ENDPOINT0_SIZE ? len : ENDPOINT0_SIZE;
for (i = n; i; i--) {
UEDATX = 0;
}
len -= n;
usb_send_in();
} while (len || n == ENDPOINT0_SIZE);
return;
}
}
}
UECONX = (1<<STALLRQ) | (1<<EPEN); // stall
}

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#ifndef USB_H
#define USB_H 1
#include <stdint.h>
#include <stdbool.h>
#include <avr/io.h>
extern bool remote_wakeup;
extern bool suspend;
void usb_init(void); // initialize everything
uint8_t usb_configured(void); // is the USB port configured
void usb_remote_wakeup(void);
#define EP_TYPE_CONTROL 0x00
#define EP_TYPE_BULK_IN 0x81
#define EP_TYPE_BULK_OUT 0x80
#define EP_TYPE_INTERRUPT_IN 0xC1
#define EP_TYPE_INTERRUPT_OUT 0xC0
#define EP_TYPE_ISOCHRONOUS_IN 0x41
#define EP_TYPE_ISOCHRONOUS_OUT 0x40
#define EP_SINGLE_BUFFER 0x02
#define EP_DOUBLE_BUFFER 0x06
#define EP_SIZE(s) ((s) == 64 ? 0x30 : \
((s) == 32 ? 0x20 : \
((s) == 16 ? 0x10 : \
0x00)))
#define MAX_ENDPOINT 4
#define LSB(n) (n & 255)
#define MSB(n) ((n >> 8) & 255)
#if defined(__AVR_AT90USB162__)
#define HW_CONFIG()
#define PLL_CONFIG() (PLLCSR = ((1<<PLLE)|(1<<PLLP0)))
#define USB_CONFIG() (USBCON = (1<<USBE))
#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
#elif defined(__AVR_ATmega32U4__)
#define HW_CONFIG() (UHWCON = 0x01)
#define PLL_CONFIG() (PLLCSR = 0x12)
#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
#elif defined(__AVR_AT90USB646__)
#define HW_CONFIG() (UHWCON = 0x81)
#define PLL_CONFIG() (PLLCSR = 0x1A)
#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
#elif defined(__AVR_AT90USB1286__)
#define HW_CONFIG() (UHWCON = 0x81)
#define PLL_CONFIG() (PLLCSR = 0x16)
#define USB_CONFIG() (USBCON = ((1<<USBE)|(1<<OTGPADE)))
#define USB_FREEZE() (USBCON = ((1<<USBE)|(1<<FRZCLK)))
#endif
// standard control endpoint request types
#define GET_STATUS 0
#define CLEAR_FEATURE 1
#define SET_FEATURE 3
#define SET_ADDRESS 5
#define GET_DESCRIPTOR 6
#define GET_CONFIGURATION 8
#define SET_CONFIGURATION 9
#define GET_INTERFACE 10
#define SET_INTERFACE 11
// HID (human interface device)
#define HID_GET_REPORT 1
#define HID_GET_IDLE 2
#define HID_GET_PROTOCOL 3
#define HID_SET_REPORT 9
#define HID_SET_IDLE 10
#define HID_SET_PROTOCOL 11
#define HID_REPORT_INPUT 1
#define HID_REPORT_OUTPUT 2
#define HID_REPORT_FEATURE 3
// CDC (communication class device)
#define CDC_SET_LINE_CODING 0x20
#define CDC_GET_LINE_CODING 0x21
#define CDC_SET_CONTROL_LINE_STATE 0x22
// HID feature selectors
#define DEVICE_REMOTE_WAKEUP 1
#define ENDPOINT_HALT 0
#define TEST_MODE 2
#endif

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#include <avr/interrupt.h>
#include "sendchar.h"
#include "usb_debug.h"
// the time remaining before we transmit any partially full
// packet, or send a zero length packet.
volatile uint8_t debug_flush_timer=0;
int8_t sendchar(uint8_t c)
{
static uint8_t previous_timeout=0;
uint8_t timeout, intr_state;
// if we're not online (enumerated and configured), error
if (!usb_configured()) return -1;
// interrupts are disabled so these functions can be
// used from the main program or interrupt context,
// even both in the same program!
intr_state = SREG;
cli();
UENUM = DEBUG_TX_ENDPOINT;
// if we gave up due to timeout before, don't wait again
if (previous_timeout) {
if (!(UEINTX & (1<<RWAL))) {
SREG = intr_state;
return -1;
}
previous_timeout = 0;
}
// wait for the FIFO to be ready to accept data
timeout = UDFNUML + 4;
while (1) {
// are we ready to transmit?
if (UEINTX & (1<<RWAL)) break;
SREG = intr_state;
// have we waited too long?
if (UDFNUML == timeout) {
previous_timeout = 1;
return -1;
}
// has the USB gone offline?
if (!usb_configured()) return -1;
// get ready to try checking again
intr_state = SREG;
cli();
UENUM = DEBUG_TX_ENDPOINT;
}
// actually write the byte into the FIFO
UEDATX = c;
// if this completed a packet, transmit it now!
if (!(UEINTX & (1<<RWAL))) {
UEINTX = 0x3A;
debug_flush_timer = 0;
} else {
debug_flush_timer = 2;
}
SREG = intr_state;
return 0;
}
// immediately transmit any buffered output.
void usb_debug_flush_output(void)
{
uint8_t intr_state;
intr_state = SREG;
cli();
if (debug_flush_timer) {
UENUM = DEBUG_TX_ENDPOINT;
while ((UEINTX & (1<<RWAL))) {
UEDATX = 0;
}
UEINTX = 0x3A;
debug_flush_timer = 0;
}
SREG = intr_state;
}

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#ifndef USB_DEBUG_H
#define USB_DEBUG_H 1
#include <stdint.h>
#include "usb.h"
#define DEBUG_INTERFACE 2
#define DEBUG_TX_ENDPOINT 3
#define DEBUG_TX_SIZE 32
#define DEBUG_TX_BUFFER EP_DOUBLE_BUFFER
extern volatile uint8_t debug_flush_timer;
void usb_debug_flush_output(void); // immediately transmit any buffered output
#endif

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#include <avr/interrupt.h>
#include "usb_extra.h"
int8_t usb_extra_send(uint8_t report_id, uint8_t bits)
{
uint8_t intr_state, timeout;
if (!usb_configured()) return -1;
intr_state = SREG;
cli();
UENUM = EXTRA_ENDPOINT;
timeout = UDFNUML + 50;
while (1) {
// are we ready to transmit?
if (UEINTX & (1<<RWAL)) break;
SREG = intr_state;
// has the USB gone offline?
if (!usb_configured()) return -1;
// have we waited too long?
if (UDFNUML == timeout) return -1;
// get ready to try checking again
intr_state = SREG;
cli();
UENUM = EXTRA_ENDPOINT;
}
UEDATX = report_id;
UEDATX = bits;
UEINTX = 0x3A;
SREG = intr_state;
return 0;
}
int8_t usb_extra_audio_send(uint8_t bits)
{
return usb_extra_send(1, bits);
}
int8_t usb_extra_system_send(uint8_t bits)
{
return usb_extra_send(2, bits);
}

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#ifndef USB_EXTRA_H
#define USB_EXTRA_H 1
/*
* Enhanced keyboard features for Windows:
* Audio control and System control
*
* http://www.microsoft.com/whdc/archive/w2kbd.mspx
*/
#include <stdint.h>
#include "usb.h"
#define EXTRA_INTERFACE 3
#define EXTRA_ENDPOINT 4
#define EXTRA_SIZE 2
#define EXTRA_BUFFER EP_DOUBLE_BUFFER
// Consumer Page(0x0C) Consumer Control(0x01)
#define AUDIO_VOL_UP (1<<0)
#define AUDIO_VOL_DOWN (1<<1)
#define AUDIO_MUTE (1<<2)
// Generic Desktop Page(0x01) System Control(0x80)
#define SYSTEM_POWER_DOWN (1<<0)
#define SYSTEM_SLEEP (1<<1)
#define SYSTEM_WAKE_UP (1<<2)
int8_t usb_extra_audio_send(uint8_t bits);
int8_t usb_extra_system_send(uint8_t bits);
#endif

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#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include "usb_keycodes.h"
#include "usb_keyboard.h"
#include "print.h"
#include "debug.h"
#include "util.h"
// keyboard report.
static usb_keyboard_report_t _report0 = { {0}, 0, false };
static usb_keyboard_report_t _report1 = { {0}, 0, false };
usb_keyboard_report_t *usb_keyboard_report = &_report0;
usb_keyboard_report_t *usb_keyboard_report_prev = &_report1;
// protocol setting from the host. We use exactly the same report
// either way, so this variable only stores the setting since we
// are required to be able to report which setting is in use.
uint8_t usb_keyboard_protocol=1;
// the idle configuration, how often we send the report to the
// host (ms * 4) even when it hasn't changed
uint8_t usb_keyboard_idle_config=125;
// count until idle timeout
uint8_t usb_keyboard_idle_count=0;
// 1=num lock, 2=caps lock, 4=scroll lock, 8=compose, 16=kana
volatile uint8_t usb_keyboard_leds=0;
// enable USB NKRO
bool usb_keyboard_nkro = false;
int8_t usb_keyboard_send(void)
{
return usb_keyboard_send_report(usb_keyboard_report);
}
static inline int8_t _send_report(usb_keyboard_report_t *report, uint8_t endpoint, uint8_t keys_start, uint8_t keys_end);
int8_t usb_keyboard_send_report(usb_keyboard_report_t *report)
{
int8_t result = 0;
#ifdef USB_NKRO_ENABLE
if (usb_keyboard_nkro)
result = _send_report(report, KBD2_ENDPOINT, 0, KBD2_REPORT_KEYS);
else
#endif
{
if (usb_keyboard_protocol)
result = _send_report(report, KBD_ENDPOINT, 0, KBD_REPORT_KEYS);
else
result = _send_report(report, KBD_ENDPOINT, 0, 6);
}
if (result) return result;
usb_keyboard_idle_count = 0;
report->is_sent =true;
usb_keyboard_print_report(report);
return 0;
}
void usb_keyboard_swap_report(void) {
usb_keyboard_report_t *tmp = usb_keyboard_report_prev;
usb_keyboard_report_prev = usb_keyboard_report;
usb_keyboard_report = tmp;
}
void usb_keyboard_clear_report(void) {
usb_keyboard_clear_keys();
usb_keyboard_clear_mods();
usb_keyboard_report->is_sent = false;
}
void usb_keyboard_clear_keys(void) {
for (int i = 0; i < KEYS_MAX; i++) usb_keyboard_report->keys[i] = 0;
}
void usb_keyboard_clear_mods(void)
{
usb_keyboard_report->mods = 0;
}
void usb_keyboard_set_keys(uint8_t *keys)
{
for (int i = 0; i < KEYS_MAX; i++)
usb_keyboard_report->keys[i] = keys[i];
}
void usb_keyboard_set_mods(uint8_t mods)
{
usb_keyboard_report->mods = mods;
}
void usb_keyboard_add_code(uint8_t code)
{
if (IS_MOD(code)) {
usb_keyboard_add_mod(code);
} else {
usb_keyboard_add_key(code);
}
}
static inline void _add_key_byte(uint8_t code);
static inline void _add_key_bit(uint8_t code);
void usb_keyboard_add_key(uint8_t code)
{
#ifdef USB_NKRO_ENABLE
if (usb_keyboard_nkro) {
_add_key_bit(code);
return;
}
#endif
_add_key_byte(code);
}
void usb_keyboard_add_mod(uint8_t code)
{
usb_keyboard_report->mods |= MOD_BIT(code);
}
void usb_keyboard_del_code(uint8_t code)
{
if (IS_MOD(code)) {
usb_keyboard_del_mod(code);
} else {
usb_keyboard_del_key(code);
}
}
void usb_keyboard_del_key(uint8_t code)
{
#ifdef USB_NKRO_ENABLE
if ((code>>3) < KEYS_MAX) {
usb_keyboard_keys[code>>3] &= ~(1<<(code&7));
}
#else
for (int i = 0; i < KEYS_MAX; i++) {
if (usb_keyboard_report->keys[i] == code) {
usb_keyboard_report->keys[i] = KB_NO;
return;
}
}
#endif
}
void usb_keyboard_del_mod(uint8_t code)
{
usb_keyboard_report->mods &= ~MOD_BIT(code);
}
bool usb_keyboard_is_sent(void)
{
return usb_keyboard_report->is_sent;
}
bool usb_keyboard_has_key(void)
{
uint8_t keys = 0;
for (int i = 0; i < KEYS_MAX; i++) keys |= usb_keyboard_report->keys[i];
return keys ? true : false;
}
bool usb_keyboard_has_mod(void)
{
return usb_keyboard_report->mods ? true : false;
}
uint8_t usb_keyboard_get_key(void)
{
#ifdef USB_NKRO_ENABLE
if (usb_keyboard_nkro) {
uint8_t i = 0;
for (; i < KEYS_MAX && !usb_keyboard_keys[i]; i++);
return i<<3 | biton(usb_keyboard_keys[i]);
}
#endif
return usb_keyboard_keys[0];
}
void usb_keyboard_print_report(usb_keyboard_report_t *report)
{
if (!debug_keyboard) return;
print("keys: ");
for (int i = 0; i < KEYS_MAX; i++) { phex(report->keys[i]); print(" "); }
print(" mods: "); phex(report->mods); print("\n");
}
static inline int8_t _send_report(usb_keyboard_report_t *report, uint8_t endpoint, uint8_t keys_start, uint8_t keys_end)
{
uint8_t intr_state, timeout;
if (!usb_configured()) return -1;
intr_state = SREG;
cli();
UENUM = endpoint;
timeout = UDFNUML + 50;
while (1) {
// are we ready to transmit?
if (UEINTX & (1<<RWAL)) break;
SREG = intr_state;
// has the USB gone offline?
if (!usb_configured()) return -1;
// have we waited too long?
if (UDFNUML == timeout) return -1;
// get ready to try checking again
intr_state = SREG;
cli();
UENUM = endpoint;
}
UEDATX = report->mods;
if (!usb_keyboard_nkro)
UEDATX = 0;
for (uint8_t i = keys_start; i < keys_end; i++) {
UEDATX = report->keys[i];
}
UEINTX = 0x3A;
SREG = intr_state;
return 0;
}
static inline void _add_key_byte(uint8_t code)
{
// TODO: fix ugly code
int8_t i = 0;
int8_t empty = -1;
for (; i < KEYS_MAX; i++) {
if (usb_keyboard_keys_prev[i] == code) {
usb_keyboard_keys[i] = code;
break;
}
if (empty == -1 &&
usb_keyboard_keys_prev[i] == 0 &&
usb_keyboard_keys[i] == 0) {
empty = i;
}
}
if (i == KEYS_MAX) {
if (empty != -1) {
usb_keyboard_keys[empty] = code;
}
}
}
static inline void _add_key_bit(uint8_t code)
{
if ((code>>3) < KEYS_MAX) {
usb_keyboard_keys[code>>3] |= 1<<(code&7);
}
}

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#ifndef USB_KEYBOARD_H
#define USB_KEYBOARD_H 1
#include <stdint.h>
#include <stdbool.h>
#include "usb.h"
#define KBD_INTERFACE 0
#define KBD_ENDPOINT 1
#define KBD_SIZE 8
#define KBD_BUFFER EP_DOUBLE_BUFFER
#define KBD_REPORT_KEYS (KBD_SIZE - 2)
// secondary keyboard
#ifdef USB_NKRO_ENABLE
#define KBD2_INTERFACE 4
#define KBD2_ENDPOINT 5
#define KBD2_SIZE 16
#define KBD2_BUFFER EP_DOUBLE_BUFFER
#define KBD2_REPORT_KEYS (KBD2_SIZE - 1)
#endif
#if defined(KBD2_REPORT_KEYS) && KBD2_REPORT_KEYS > KBD_REPORT_KEYS
#define KEYS_MAX KBD2_REPORT_KEYS
#else
#define KEYS_MAX KBD_REPORT_KEYS
#endif
typedef struct report {
uint8_t keys[KEYS_MAX];
uint8_t mods;
bool is_sent;
} usb_keyboard_report_t;
#define usb_keyboard_keys usb_keyboard_report->keys
#define usb_keyboard_mods usb_keyboard_report->mods
#define usb_keyboard_keys_prev usb_keyboard_report_prev->keys
#define usb_keyboard_mods_prev usb_keyboard_report_prev->mods
extern usb_keyboard_report_t *usb_keyboard_report;
extern usb_keyboard_report_t *usb_keyboard_report_prev;
extern uint8_t usb_keyboard_protocol;
extern uint8_t usb_keyboard_idle_config;
extern uint8_t usb_keyboard_idle_count;
extern volatile uint8_t usb_keyboard_leds;
extern bool usb_keyboard_nkro;
int8_t usb_keyboard_send(void);
int8_t usb_keyboard_send_report(usb_keyboard_report_t *report);
void usb_keyboard_swap_report(void);
void usb_keyboard_clear_report(void);
void usb_keyboard_clear_keys(void);
void usb_keyboard_clear_mods(void);
void usb_keyboard_set_keys(uint8_t *keys);
void usb_keyboard_set_mods(uint8_t mods);
void usb_keyboard_add_code(uint8_t code);
void usb_keyboard_add_key(uint8_t code);
void usb_keyboard_add_mod(uint8_t code);
void usb_keyboard_del_code(uint8_t code);
void usb_keyboard_del_key(uint8_t code);
void usb_keyboard_del_mod(uint8_t code);
bool usb_keyboard_is_sent(void);
bool usb_keyboard_has_key(void);
bool usb_keyboard_has_mod(void);
uint8_t usb_keyboard_get_key(void);
void usb_keyboard_print_report(usb_keyboard_report_t *report);
#endif

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#include <avr/interrupt.h>
#include <util/delay.h>
#include "usb_mouse.h"
#include "print.h"
#include "debug.h"
uint8_t usb_mouse_protocol=1;
int8_t usb_mouse_send(int8_t x, int8_t y, int8_t wheel_v, int8_t wheel_h, uint8_t buttons)
{
uint8_t intr_state, timeout;
if (!usb_configured()) return -1;
if (x == -128) x = -127;
if (y == -128) y = -127;
if (wheel_v == -128) wheel_v = -127;
if (wheel_h == -128) wheel_h = -127;
intr_state = SREG;
cli();
UENUM = MOUSE_ENDPOINT;
timeout = UDFNUML + 50;
while (1) {
// are we ready to transmit?
if (UEINTX & (1<<RWAL)) break;
SREG = intr_state;
// has the USB gone offline?
if (!usb_configured()) return -1;
// have we waited too long?
if (UDFNUML == timeout) return -1;
// get ready to try checking again
intr_state = SREG;
cli();
UENUM = MOUSE_ENDPOINT;
}
UEDATX = buttons;
UEDATX = x;
UEDATX = y;
if (usb_mouse_protocol) {
UEDATX = wheel_v;
UEDATX = wheel_h;
}
UEINTX = 0x3A;
SREG = intr_state;
return 0;
}
void usb_mouse_print(int8_t x, int8_t y, int8_t wheel_v, int8_t wheel_h, uint8_t buttons) {
if (!debug_mouse) return;
print("usb_mouse[btn|x y v h]: ");
phex(buttons); print("|");
phex(x); print(" ");
phex(y); print(" ");
phex(wheel_v); print(" ");
phex(wheel_h); print("\n");
}

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pjrc/usb_mouse.h Normal file
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#ifndef USB_MOUSE_H
#define USB_MOUSE_H 1
#include <stdint.h>
#include <stdbool.h>
#include "usb.h"
#define MOUSE_INTERFACE 1
#define MOUSE_ENDPOINT 2
#define MOUSE_SIZE 8
#define MOUSE_BUFFER EP_DOUBLE_BUFFER
#define MOUSE_BTN1 (1<<0)
#define MOUSE_BTN2 (1<<1)
#define MOUSE_BTN3 (1<<2)
#define MOUSE_BTN4 (1<<3)
#define MOUSE_BTN5 (1<<4)
extern uint8_t usb_mouse_protocol;
int8_t usb_mouse_send(int8_t x, int8_t y, int8_t wheel_v, int8_t wheel_h, uint8_t buttons);
void usb_mouse_print(int8_t x, int8_t y, int8_t wheel_v, int8_t wheel_h, uint8_t buttons);
#endif