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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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8
Demos/Device/ClassDriver/DualVirtualSerial/DualVirtualSerial.c
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@ -101,12 +101,12 @@ int main(void)
CheckJoystickMovement();
/* Discard all received data on the first CDC interface */
while (CDC_Device_BytesReceived(&VirtualSerial1_CDC_Interface))
CDC_Device_ReceiveByte(&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));
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);