diff options
| author | Dean <Dean@d5102386-fcda-11dd-9fdb-3debd5008f28> | 2010-07-30 03:52:11 +0000 |
|---|---|---|
| committer | Dean <Dean@d5102386-fcda-11dd-9fdb-3debd5008f28> | 2010-07-30 03:52:11 +0000 |
| commit | d5b7816e466fd63af2393af309833506a4b60735 (patch) | |
| tree | a014f41c82dfbb50706e1a911a5da2414b9766fd /Projects/USBtoSerial/USBtoSerial.c | |
| parent | 8f7edc00d0c10d4dee8cc1d9916e6b8e898670c6 (diff) | |
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.
git-svn-id: http://lufa-lib.googlecode.com/svn/trunk@1422 d5102386-fcda-11dd-9fdb-3debd5008f28
Diffstat (limited to 'Projects/USBtoSerial/USBtoSerial.c')
| -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 2c2d0c00..d7df3d91 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)) |