drashna/qmk_firmware
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Added USB Virtual Serial support

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This commit is contained in:
Jason Green 2016-08-01 05:02:52 +00:00
parent d8c5041f0a
commit 80d10bef07
6 changed files with 276 additions and 4 deletions
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107
tmk_core/protocol/lufa/lufa.c
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@ -60,6 +60,10 @@
#include "bluetooth.h"
#endif
#ifdef VIRTSER_ENABLE
#include "virtser.h"
#endif
uint8_t keyboard_idle = 0;
/* 0: Boot Protocol, 1: Report Protocol(default) */
uint8_t keyboard_protocol = 1;
@ -127,6 +131,34 @@ USB_ClassInfo_MIDI_Device_t USB_MIDI_Interface =
#define SYS_COMMON_3 0x30
#endif
#ifdef VIRTSER_ENABLE
USB_ClassInfo_CDC_Device_t cdc_device =
{
.Config =
{
.ControlInterfaceNumber = CCI_INTERFACE,
.DataINEndpoint =
{
.Address = CDC_IN_EPADDR,
.Size = CDC_EPSIZE,
.Banks = 1,
},
.DataOUTEndpoint =
{
.Address = CDC_OUT_EPADDR,
.Size = CDC_EPSIZE,
.Banks = 1,
},
.NotificationEndpoint =
{
.Address = CDC_NOTIFICATION_EPADDR,
.Size = CDC_NOTIFICATION_EPSIZE,
.Banks = 1,
},
},
};
#endif
/*******************************************************************************
* Console
@ -311,6 +343,12 @@ void EVENT_USB_Device_ConfigurationChanged(void)
ConfigSuccess &= Endpoint_ConfigureEndpoint(MIDI_STREAM_IN_EPADDR, EP_TYPE_BULK, MIDI_STREAM_EPSIZE, ENDPOINT_BANK_SINGLE);
ConfigSuccess &= Endpoint_ConfigureEndpoint(MIDI_STREAM_OUT_EPADDR, EP_TYPE_BULK, MIDI_STREAM_EPSIZE, ENDPOINT_BANK_SINGLE);
#endif
#ifdef VIRTSER_ENABLE
ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPADDR, EP_TYPE_INTERRUPT, CDC_NOTIFICATION_EPSIZE, ENDPOINT_BANK_SINGLE);
ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_OUT_EPADDR, EP_TYPE_BULK, CDC_EPSIZE, ENDPOINT_BANK_SINGLE);
ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_IN_EPADDR, EP_TYPE_BULK, CDC_EPSIZE, ENDPOINT_BANK_SINGLE);
#endif
}
/*
@ -432,10 +470,15 @@ void EVENT_USB_Device_ControlRequest(void)
break;
}
#ifdef VIRTSER_ENABLE
CDC_Device_ProcessControlRequest(&cdc_device);
#endif
}
/*******************************************************************************
* Host driver
p
******************************************************************************/
static uint8_t keyboard_leds(void)
{
@ -827,6 +870,61 @@ void MIDI_Task(void)
#endif
/*******************************************************************************
* VIRTUAL SERIAL
******************************************************************************/
#ifdef VIRTSER_ENABLE
void virtser_init(void)
{
cdc_device.State.ControlLineStates.DeviceToHost = CDC_CONTROL_LINE_IN_DSR ;
CDC_Device_SendControlLineStateChange(&cdc_device);
}
__attribute__ ((weak))
void virtser_recv(uint8_t c)
{
// Ignore by default
}
void virtser_task(void)
{
uint16_t count = CDC_Device_BytesReceived(&cdc_device);
uint8_t ch;
if (count)
{
ch = CDC_Device_ReceiveByte(&cdc_device);
virtser_recv(ch);
}
}
void virtser_send(const uint8_t byte)
{
uint8_t timeout = 255;
uint8_t ep = Endpoint_GetCurrentEndpoint();
if (cdc_device.State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR)
{
/* IN packet */
Endpoint_SelectEndpoint(cdc_device.Config.DataINEndpoint.Address);
if (!Endpoint_IsEnabled() || !Endpoint_IsConfigured()) {
Endpoint_SelectEndpoint(ep);
return;
}
while (timeout-- && !Endpoint_IsReadWriteAllowed()) _delay_us(40);
Endpoint_Write_8(byte);
CDC_Device_Flush(&cdc_device);
if (Endpoint_IsINReady()) {
Endpoint_ClearIN();
}
Endpoint_SelectEndpoint(ep);
}
}
#endif
/*******************************************************************************
* main
@ -918,6 +1016,10 @@ int main(void)
sleep_led_init();
#endif
#ifdef VIRTSER_ENABLE
virtser_init();
#endif
print("Keyboard start.\n");
while (1) {
#ifndef BLUETOOTH_ENABLE
@ -936,6 +1038,11 @@ int main(void)
#endif
keyboard_task();
#ifdef VIRTSER_ENABLE
virtser_task();
CDC_Device_USBTask(&cdc_device);
#endif
#if !defined(INTERRUPT_CONTROL_ENDPOINT)
USB_USBTask();
#endif