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| author | Dean Camera <dean@fourwalledcubicle.com> | 2010-07-30 03:52:11 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-07-30 03:52:11 +0000 |
| commit | 24e621a8d8424721ed21ce329d2a28dbf8c35343 (patch) | |
| tree | a014f41c82dfbb50706e1a911a5da2414b9766fd /Projects/USBtoSerial | |
| parent | 7c8d16fd7adae430f94004048a7702b7338f5eb1 (diff) | |
| download | lufa-24e621a8d8424721ed21ce329d2a28dbf8c35343.tar.gz lufa-24e621a8d8424721ed21ce329d2a28dbf8c35343.tar.bz2 lufa-24e621a8d8424721ed21ce329d2a28dbf8c35343.zip | |
Altered the CDC Deivice and Host Class drivers' receive byte routines, so that no data is indicated by a negative return value.
Added auto flushing of OUT data to the CDC Host Class driver's USBTask function to automatically flush the send pipe buffer.
Diffstat (limited to 'Projects/USBtoSerial')
| -rw-r--r-- | Projects/USBtoSerial/USBtoSerial.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/Projects/USBtoSerial/USBtoSerial.c b/Projects/USBtoSerial/USBtoSerial.c index 2c2d0c006..d7df3d91f 100644 --- a/Projects/USBtoSerial/USBtoSerial.c +++ b/Projects/USBtoSerial/USBtoSerial.c @@ -82,13 +82,9 @@ int main(void) for (;;) { /* Read bytes from the USB OUT endpoint into the USART transmit buffer */ - for (uint8_t DataBytesRem = CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface); DataBytesRem != 0; DataBytesRem--) - { - if (RingBuffer_IsFull(&USBtoUSART_Buffer)) - break; - - RingBuffer_AtomicInsert(&USBtoUSART_Buffer, CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface)); - } + int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface); + if (!(ReceivedByte < 0) && !(RingBuffer_IsFull(&USBtoUSART_Buffer))) + RingBuffer_AtomicInsert(&USBtoUSART_Buffer, (uint8_t)ReceivedByte); /* Check if the software USART flush timer has expired */ if (TIFR0 & (1 << TOV0)) |