void HandleSerial(void)
{
// Only try to read in bytes from the CDC interface if the transmit buffer is not full
if (!(RingBuffer_IsFull(&FromHost_Buffer)))
{
int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
// Read bytes from the USB OUT endpoint into the USART transmit buffer
if (!(ReceivedByte < 0)){
RingBuffer_Insert(&FromHost_Buffer, ReceivedByte);
CDC_Device_SendByte(&VirtualSerial_CDC_Interface, ReceivedByte);
}
}
while (RingBuffer_GetCount(&FromHost_Buffer) > 0)
{
int16_t c = RingBuffer_Remove(&FromHost_Buffer);
if(c == '\n' || c == '\r'){
if(cmd_cnt > 0 && (cmd[cmd_cnt-1] == '\n' || cmd[cmd_cnt-1] == '\r'))
cmd_cnt--;
cmd[cmd_cnt] = 0;
execute_command();
cmd_cnt = 0;
}
else{
cmd[cmd_cnt++] = c;
}
}
}
int16_t VncServerGetData(uint8_t * buffer, uint16_t maxsize)
{
uint16_t size = 0;
if(usbConnectionReset)
{
usbConnectionReset = false;
return -1;
}
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
while(debugcounter > 64)
{
DDRF |= (1 << 0);
PORTF |= (1 << 0);
debugcounter -= 64;
PORTF &= ~(1 << 0);
}
while ( size < maxsize )
{
int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
if(ReceivedByte < 0)
break;
buffer[size++] = (uint8_t)ReceivedByte;
debugcounter++;
}
return size;
}
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
uint16_t bytesAvailable, currentByte;
CDC_Device_CreateStream(&tpad_CDC_Interface, &USBSerialStream);
sei();
for (;;)
{
//
// Read pressures from 16 buttons
//
ButtonStates();
//
// Handle incoming bytes
//
bytesAvailable = CDC_Device_BytesReceived(&tpad_CDC_Interface);
while (bytesAvailable--) {
currentByte = CDC_Device_ReceiveByte(&tpad_CDC_Interface);
// TODO: implement led updates from host
}
CDC_Device_USBTask(&tpad_CDC_Interface);
USB_USBTask();
}
}
int main(void)
{
SetupHardware();
/* Create a regular character stream for the interface so that it can be used with the stdio.h functions */
CDC_Device_CreateStream(&VirtualSerial_CDC_Interface, &USBSerialStream);
GlobalInterruptEnable();
while(1)
{
DebounceUpdate();
EncoderUpdate();
LedUpdate();
SendSerial();
/* Must throw away unused bytes from the host, or it will lock up while waiting for the device */
CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
HID_Device_USBTask(&Mouse_HID_Interface);
HID_Device_USBTask(&Keyboard_HID_Interface);
USB_USBTask();
}
}
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
RingBuffer_InitBuffer(&USBtoUSART_Buffer, USBtoUSART_Buffer_Data, sizeof(USBtoUSART_Buffer_Data));
RingBuffer_InitBuffer(&USARTtoUSB_Buffer, USARTtoUSB_Buffer_Data, sizeof(USARTtoUSB_Buffer_Data));
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
GlobalInterruptEnable();
for (;;)
{
/* Only try to read in bytes from the CDC interface if the transmit buffer is not full */
if (!(RingBuffer_IsFull(&USBtoUSART_Buffer)))
{
int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
/* Read bytes from the USB OUT endpoint into the USART transmit buffer */
if (!(ReceivedByte < 0))
RingBuffer_Insert(&USBtoUSART_Buffer, ReceivedByte);
}
/* Check if the UART receive buffer flush timer has expired or the buffer is nearly full */
uint16_t BufferCount = RingBuffer_GetCount(&USARTtoUSB_Buffer);
if (BufferCount)
{
Endpoint_SelectEndpoint(VirtualSerial_CDC_Interface.Config.DataINEndpoint.Address);
/* Check if a packet is already enqueued to the host - if so, we shouldn't try to send more data
* until it completes as there is a chance nothing is listening and a lengthy timeout could occur */
if (Endpoint_IsINReady())
{
/* Never send more than one bank size less one byte to the host at a time, so that we don't block
* while a Zero Length Packet (ZLP) to terminate the transfer is sent if the host isn't listening */
uint8_t BytesToSend = MIN(BufferCount, (CDC_TXRX_EPSIZE - 1));
/* Read bytes from the USART receive buffer into the USB IN endpoint */
while (BytesToSend--)
{
/* Try to send the next byte of data to the host, abort if there is an error without dequeuing */
if (CDC_Device_SendByte(&VirtualSerial_CDC_Interface,
RingBuffer_Peek(&USARTtoUSB_Buffer)) != ENDPOINT_READYWAIT_NoError)
{
break;
}
/* Dequeue the already sent byte from the buffer now we have confirmed that no transmission error occurred */
RingBuffer_Remove(&USARTtoUSB_Buffer);
}
}
}
/* Load the next byte from the USART transmit buffer into the USART */
if (!(RingBuffer_IsEmpty(&USBtoUSART_Buffer)))
Serial_SendByte(RingBuffer_Remove(&USBtoUSART_Buffer));
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
}
}
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
/* Create a regular character stream for the interface so that it can be used with the stdio.h functions */
CDC_Device_CreateStream(&VirtualSerial_CDC_Interface, &USBSerialStream);
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
GlobalInterruptEnable();
_setBrightness(50);
for (;;)
{
/* Must throw away unused bytes from the host, or it will lock up while waiting for the device */
CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
DS1302_clock_burst_read((uint8_t *) &rtc);
_setDigit( rtc.Seconds % 10 );
_setBrightness( 50 );
_delay_ms(4);
}
}
void usb_serial_flush_input(void)
{
int16_t i;
int16_t bufsize = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface);
for(i=0; i<bufsize; i++)
CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
}
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
RingBuffer_InitBuffer(&USBtoUSART_Buffer, USBtoUSART_Buffer_Data, sizeof(USBtoUSART_Buffer_Data));
RingBuffer_InitBuffer(&ToUSB_Buffer, ToUSB_Buffer_Data, sizeof(ToUSB_Buffer_Data));
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
sei();
for (;;)
{
/* Only try to read in bytes from the CDC interface if the transmit buffer is not full */
if (!(RingBuffer_IsFull(&USBtoUSART_Buffer)))
{
int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
/* Read bytes from the USB OUT endpoint into the USART transmit buffer */
if (!(ReceivedByte < 0))
RingBuffer_Insert(&USBtoUSART_Buffer, ReceivedByte);
}
/* Load the next byte from the USART transmit buffer into the USART */
if (!(RingBuffer_IsEmpty(&USBtoUSART_Buffer)))
Serial_SendByte(RingBuffer_Remove(&USBtoUSART_Buffer));
cdc_send_USB_data(&VirtualSerial_CDC_Interface);
USB_USBTask();
}
}
static int CDC_Device_getchar(FILE* Stream)
{
if (!(CDC_Device_BytesReceived((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))))
return _FDEV_EOF;
return CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));
}
uint8_t getch() {
int ReceivedByte = -1;
// wait until CDC sends a byte
while (ReceivedByte < 0)
ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
return ReceivedByte;
}
int
main(void) {
uint8_t i = 1;
uint8_t count = 3;
setup();
blink(3);
_delay_ms(100);
while (1) {
// Print greeting at most count times.
if (i <= count) {
if (USB_DeviceState == DEVICE_STATE_Configured && ok_to_send) {
blink(i);
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "Hello World! ");
CDC_Device_SendByte(&VirtualSerial_CDC_Interface, '0' + i);
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "\r\n");
CDC_Device_Flush(&VirtualSerial_CDC_Interface);
i++;
}
}
if (USB_DeviceState == DEVICE_STATE_Configured) {
/* Must throw away unused bytes from the host, or it will lock up
while waiting for the device */
CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
}
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
}
}
int main(void) {
SetupHardware();
// If digital pin 6 (PD7) is low, fill channel data with a distinctive
// pattern.
DDRD &= 0b01111111;
bool fill_with_pattern = bit_is_clear(PIND, 7);
if (fill_with_pattern) {
memset(_chandata, 0b01010101, 2048);
}
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
GlobalInterruptEnable();
while (true) {
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
if (connected) {
uint8_t* position = _chandata;
int16_t universe = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
if (universe == -1) {
// just a normal timeout, continue
continue;
}
position += universe;
while (position < _chandata + 2048) {
int16_t channel_level =
CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
if (channel_level != -1) {
*position = (uint8_t)channel_level;
position += 4;
} else {
if (!connected) {
// connection lost, forget our position and wait for a connection
break;
}
// just a normal timeout, continue
continue;
}
}
}
}
}
void VCOM_echo(void)
{
if(CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface))
{
in_buff[0] = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
CDC_Device_SendData(&VirtualSerial_CDC_Interface, (char *)in_buff, 1);
Endpoint_ClearIN();
}
}
uint8_t gethexdigit(void)
{
// read directly from serial port
const uint8_t c = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
if('0' <= c && c <= '9') return c-'0';
if ('A' <= c && c && c <= 'F') return 10+c-'A';
if ('a' <= c && c && c <= 'f') return 10+c-'a';
return -1;
}
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
GlobalInterruptEnable();
uint8_t sending = 0;
for (;;) {
while (1) {
int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
if (ReceivedByte < 0)
break;
if (!configured) continue;
if (!sending) {
PORTC.OUTSET = PIN1_bm;
sending = 1;
}
PORTD.OUTTGL = PIN5_bm;
while(!USART_IsTXDataRegisterEmpty(&USART));
USART_PutChar(&USART, ReceivedByte & 0xff);
}
if (sending) {
USART_ClearTXComplete(&USART);
while(!USART_IsTXComplete(&USART));
PORTC.OUTCLR = PIN1_bm;
sending = 0;
}
Endpoint_SelectEndpoint(VirtualSerial_CDC_Interface.Config.DataINEndpoint.Address);
/* Check if a packet is already enqueued to the host - if so, we shouldn't try to send more data
* until it completes as there is a chance nothing is listening and a lengthy timeout could occur */
if (configured && Endpoint_IsINReady()) {
uint8_t maxbytes = CDC_TXRX_EPSIZE;
while (USART_RXBufferData_Available(&USART_data) && maxbytes-->0) {
uint8_t b = USART_RXBuffer_GetByte(&USART_data);
CDC_Device_SendByte(&VirtualSerial_CDC_Interface, b);
PORTD.OUTTGL = PIN5_bm;
}
}
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
if (loop++) continue;
if (!configured) continue;
PORTD.OUTTGL = PIN5_bm;
}
}
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
RingBuffer_InitBuffer(&USBtoUSART_Buffer);
RingBuffer_InitBuffer(&USARTtoUSB_Buffer);
sei();
for (;;)
{
/* Only try to read in bytes from the CDC interface if the transmit buffer is not full */
if (!(RingBuffer_IsFull(&USBtoUSART_Buffer)))
{
int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
/* Read bytes from the USB OUT endpoint into the USART transmit buffer */
if (!(ReceivedByte < 0))
RingBuffer_Insert(&USBtoUSART_Buffer, ReceivedByte);
}
/* Check if the UART receive buffer flush timer has expired or the buffer is nearly full */
RingBuff_Count_t BufferCount = RingBuffer_GetCount(&USARTtoUSB_Buffer);
if ((TIFR0 & (1 << TOV0)) || (BufferCount > BUFFER_NEARLY_FULL))
{
TIFR0 |= (1 << TOV0);
if (USARTtoUSB_Buffer.Count) {
LEDs_TurnOnLEDs(LEDMASK_TX);
PulseMSRemaining.TxLEDPulse = TX_RX_LED_PULSE_MS;
}
/* Read bytes from the USART receive buffer into the USB IN endpoint */
while (BufferCount--)
CDC_Device_SendByte(&VirtualSerial_CDC_Interface, RingBuffer_Remove(&USARTtoUSB_Buffer));
/* Turn off TX LED(s) once the TX pulse period has elapsed */
if (PulseMSRemaining.TxLEDPulse && !(--PulseMSRemaining.TxLEDPulse))
LEDs_TurnOffLEDs(LEDMASK_TX);
/* Turn off RX LED(s) once the RX pulse period has elapsed */
if (PulseMSRemaining.RxLEDPulse && !(--PulseMSRemaining.RxLEDPulse))
LEDs_TurnOffLEDs(LEDMASK_RX);
}
/* Load the next byte from the USART transmit buffer into the USART */
if (!(RingBuffer_IsEmpty(&USBtoUSART_Buffer))) {
Serial_TxByte(RingBuffer_Remove(&USBtoUSART_Buffer));
LEDs_TurnOnLEDs(LEDMASK_RX);
PulseMSRemaining.RxLEDPulse = TX_RX_LED_PULSE_MS;
}
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
}
}
//------------------------------------------------------------------------------
void appUsbDataReceived(Application *app)
{
int16_t received_byte = 0;
while((received_byte = CDC_Device_ReceiveByte(app->cdc_info)) >= 0)
{
RingBuffer_Insert(&app->buffer_, received_byte);
}
serialProcess(app);
}
int main(void)
{
SetupHardware();
RingBuffer_InitBuffer(&USBtoUSART_Buffer, USBtoUSART_Buffer_Data, sizeof(USBtoUSART_Buffer_Data));
RingBuffer_InitBuffer(&USARTtoUSB_Buffer, USARTtoUSB_Buffer_Data, sizeof(USARTtoUSB_Buffer_Data));
LEDs_SetAllLEDs(0);
sei();
for (;;)
{
if ((PINF & 0x01) == 0x01)
LEDs_SetAllLEDs(2);
else
LEDs_SetAllLEDs(0);
/* Only try to read in bytes from the CDC interface if the (outbound) transmit buffer is not full */
if (!(RingBuffer_IsFull(&USBtoUSART_Buffer)))
{
int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
/* Read bytes from the USB OUT endpoint into the USART transmit buffer */
if (!(ReceivedByte < 0))
RingBuffer_Insert(&USBtoUSART_Buffer, ReceivedByte);
}
/* Check if the UART receive buffer flush timer has expired or the buffer is nearly full */
uint16_t BufferCount = RingBuffer_GetCount(&USARTtoUSB_Buffer);
if ((TIFR0 & (1 << TOV0)) || (BufferCount > (uint8_t)(sizeof(USARTtoUSB_Buffer_Data) * .75)))
{
/* Clear flush timer expiry flag */
TIFR0 |= (1 << TOV0);
/* Read bytes from the USART receive buffer into the USB IN endpoint */
while (BufferCount--)
{
/* Try to send the next byte of data to the host, abort if there is an error without dequeuing */
if (CDC_Device_SendByte(&VirtualSerial_CDC_Interface,
RingBuffer_Peek(&USARTtoUSB_Buffer)) != ENDPOINT_READYWAIT_NoError)
{
break;
}
/* Dequeue the already sent byte from the buffer now we have confirmed that no transmission error occurred */
RingBuffer_Remove(&USARTtoUSB_Buffer);
}
}
/* Load the next byte from the USART transmit buffer into the USART */
if (!(RingBuffer_IsEmpty(&USBtoUSART_Buffer)))
Serial_SendByte(RingBuffer_Remove(&USBtoUSART_Buffer));
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
}
}
static int CDC_Device_getchar(FILE* Stream)
{
int16_t ReceivedByte = CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));
if (ReceivedByte < 0)
return _FDEV_EOF;
return ReceivedByte;
}
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
RingBuffer_InitBuffer(&FromHost_Buffer, FromHost_Buffer_Data, sizeof(FromHost_Buffer_Data));
GlobalInterruptEnable();
for (;;)
{
/* Only try to read in bytes from the CDC interface if the transmit buffer is not full */
if (!(RingBuffer_IsFull(&FromHost_Buffer)))
{
int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
/* Read bytes from the USB OUT endpoint into the USART transmit buffer */
if (!(ReceivedByte < 0))
RingBuffer_Insert(&FromHost_Buffer, ReceivedByte);
}
while (RingBuffer_GetCount(&FromHost_Buffer) > 0)
{
static uint8_t EscapePending = 0;
int16_t HD44780Byte = RingBuffer_Remove(&FromHost_Buffer);
if (HD44780Byte == COMMAND_ESCAPE)
{
if (EscapePending)
{
HD44780_WriteData(HD44780Byte);
EscapePending = 0;
}
else
{
/* Next received character is the command byte */
EscapePending = 1;
}
}
else
{
if (EscapePending)
{
HD44780_WriteCommand(HD44780Byte);
EscapePending = 0;
}
else
{
HD44780_WriteData(HD44780Byte);
}
}
}
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
}
}
void CDC_In_Task()
{
/* Read bytes from the USB OUT endpoint and transmit to jennic if programming mode */
if ( ringbuf_elements(&USBtoUSART_Buffer) < ringbuf_size(&USBtoUSART_Buffer)-2 ) {
// TODO check int16_t type
int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC1_Interface);
if ( !(ReceivedByte < 0) )
ringbuf_put(&USBtoUSART_Buffer, ReceivedByte);
}
}
/******************************************************************************
* Nombre de la funcion : int16_t serial_read(void)
* int16_t : Si se leyo un byte exitosamente, retorna el byte, si
* no, retorna -1
* Creada por : Alejandro Weinstein
* Fecha Creacion : 2013-04-08
*
* Descripcion : Lee un byte desde el puerto serial virtual
******************************************************************************/
int16_t serial_read(void)
{
int16_t ReceivedByte;
ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
/* Read bytes from the USB OUT endpoint */
if (!(ReceivedByte < 0)) {
return ReceivedByte;
} else {
return -1;
}
}
static int CDC_Device_getchar_Blocking(FILE* Stream)
{
while (!(CDC_Device_BytesReceived((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))))
{
if (USB_DeviceState == DEVICE_STATE_Unattached)
return _FDEV_EOF;
CDC_Device_USBTask((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));
USB_USBTask();
}
return CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));
}
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
/* Create a regular character stream for the interface so that it can be used with the stdio.h functions */
CDC_Device_CreateStream(&VirtualSerial_CDC_Interface, &USBSerialStream);
sei();
DDRB |= (1 << 4);
PORTB |= (1 << 4);
for (;;)
{
int16_t c = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
if (c > 0){
switch (c) {
case '1':
// this will eventually be to strobe the modem on pin of a telit module
// set port to output mode and low state
// stall for 1000 ms
// set port back to high impedance
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "received 1\r\n");
DDRD |= (1 << 0);
PORTD &= ~(1 << 0);
_delay_ms(1000);
DDRD &= ~(1 << 0);
PORTD |= (1 << 0);
break;
case 'r':
// this will be to strobe the reset pin of a telit module
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "received r\r\n");
PORTB &= ~(1 << 4);
_delay_ms(200);
PORTB |= (1 << 4);
break;
case '?':
// this wil be to inquire abouth the powermon pin of a telit module
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "received ?\r\n");
PORTB |= ~(1 << 4);
break;
default:
CDC_Device_SendString(&VirtualSerial_CDC_Interface, "unrecognized input\r\n");
}
}
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
}
}
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
for (;;)
{
CheckJoystickMovement();
/* Discard all received data on the first CDC interface */
while (CDC_Device_BytesReceived(&VirtualSerial1_CDC_Interface))
CDC_Device_ReceiveByte(&VirtualSerial1_CDC_Interface);
/* Echo all received data on the second CDC interface */
while (CDC_Device_BytesReceived(&VirtualSerial2_CDC_Interface))
CDC_Device_SendByte(&VirtualSerial2_CDC_Interface, CDC_Device_ReceiveByte(&VirtualSerial2_CDC_Interface));
CDC_Device_USBTask(&VirtualSerial1_CDC_Interface);
CDC_Device_USBTask(&VirtualSerial2_CDC_Interface);
USB_USBTask();
}
}
void CDC_Arduino_In_Task()
{
uint16_t bytes = CDC_Device_BytesReceived(&VirtualSerial_CDC0_Interface);
while(bytes--){
/* Read bytes from the USB OUT endpoint and store it for the Arduino Serial Class */
if ( ringbuf_elements(&serialRx_Buffer) < ringbuf_size(&serialRx_Buffer)-2 ) {
int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC0_Interface);
if ( !(ReceivedByte < 0) )
ringbuf_put(&serialRx_Buffer, ReceivedByte);
}
else{
return;
}
} // end while
}
/** Main program entry point. This routine contains the overall program flow, including initial
* setup of all components and the main program loop.
*/
int main(void)
{
SetupHardware();
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
GlobalInterruptEnable();
for (;;)
{
CheckJoystickMovement();
/* Discard all received data on the first CDC interface */
CDC_Device_ReceiveByte(&VirtualSerial1_CDC_Interface);
/* Echo all received data on the second CDC interface */
int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial2_CDC_Interface);
if (!(ReceivedByte < 0))
CDC_Device_SendByte(&VirtualSerial2_CDC_Interface, (uint8_t)ReceivedByte);
CDC_Device_USBTask(&VirtualSerial1_CDC_Interface);
CDC_Device_USBTask(&VirtualSerial2_CDC_Interface);
USB_USBTask();
}
}
static int CDC_Device_getchar_Blocking(FILE* Stream)
{
int16_t ReceivedByte;
while ((ReceivedByte = CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))) < 0)
{
if (USB_DeviceState[corenum] == DEVICE_STATE_Unattached)
return _FDEV_EOF;
CDC_Device_USBTask((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));
USB_USBTask();
}
return ReceivedByte;
}
void VCOM_bridge(void)
{
uint32_t recv_count;
recv_count = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface);
while(recv_count--)
{
out_buff[0] = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
uart_send_byte(out_buff[0]);
}
recv_count = uart_get_data(in_buff);
if(recv_count)
{
CDC_Device_SendData(&VirtualSerial_CDC_Interface, (char *)in_buff, recv_count);
Endpoint_ClearIN();
}
}
uint8_t TerminalReceiveChar(unsigned int timeout)
{
// Try to read a character from the USB library
unsigned int start = GetMilliSeconds();
while (GetMilliSeconds() - start < timeout)
{
int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
if (!(ReceivedByte < 0))
{
// got a character
return((unsigned char)ReceivedByte);
}
}
return 0;
}
