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