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Altered the CDC Deivice and Host Class drivers' receive byte routines, so that no data is indicated by a negative return value.

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Added auto flushing of OUT data to the CDC Host Class driver's USBTask function to automatically flush the send pipe buffer.
This commit is contained in:
Dean Camera 2010-07-30 03:52:11 +00:00
parent 7c8d16fd7a
commit 24e621a8d8
13 changed files with 89 additions and 59 deletions
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3
Projects/XPLAINBridge/XPLAINBridge.c
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@ -120,7 +120,8 @@ void UARTBridge_Task(void)
return;
/* Read bytes from the USB OUT endpoint into the UART transmit buffer */
if (CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface) && !(RingBuffer_IsFull(&USBtoUART_Buffer)))
int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
if (!(ReceivedByte < 0) && !(RingBuffer_IsFull(&USBtoUART_Buffer)))
RingBuffer_AtomicInsert(&USBtoUART_Buffer, CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface));
/* Check if the software UART flush timer has expired */