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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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7
Demos/Host/ClassDriver/VirtualSerialHost/VirtualSerialHost.c
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@ -111,10 +111,9 @@ int main(void)
if (CDC_Host_BytesReceived(&VirtualSerial_CDC_Interface))
{
/* Echo received bytes from the attached device through the USART */
while (CDC_Host_BytesReceived(&VirtualSerial_CDC_Interface))
putchar(CDC_Host_ReceiveByte(&VirtualSerial_CDC_Interface));
CDC_Host_Flush(&VirtualSerial_CDC_Interface);
int16_t ReceivedByte = CDC_Host_ReceiveByte(&VirtualSerial_CDC_Interface);
if (!(ReceivedByte < 0))
putchar(ReceivedByte);
}
break;