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Minor cleanups to DualCDC ClassDriver device demo for clarity.

This commit is contained in:
Dean Camera 2009-07-30 14:12:00 +00:00
parent 41babf1cb7
commit ec079c71d8
2 changed files with 3 additions and 4 deletions
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1
Demos/Device/ClassDriver/CDC/CDC.c
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@ -92,6 +92,7 @@ int main(void)
{ {
CheckJoystickMovement(); CheckJoystickMovement();
/* Must throw away unused bytes from the host, or it will lock up while waiting for the device */
while (CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface)) while (CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface))
CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface); CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);

6
Demos/Device/ClassDriver/DualCDC/DualCDC.c
View File

@ -99,13 +99,11 @@ int main(void)
CheckJoystickMovement(); CheckJoystickMovement();
/* Discard all received data on the first CDC interface */ /* Discard all received data on the first CDC interface */
uint16_t BytesToDiscard = CDC_Device_BytesReceived(&VirtualSerial1_CDC_Interface); while (CDC_Device_BytesReceived(&VirtualSerial1_CDC_Interface))
while (BytesToDiscard--)
CDC_Device_ReceiveByte(&VirtualSerial1_CDC_Interface); CDC_Device_ReceiveByte(&VirtualSerial1_CDC_Interface);
/* Echo all received data on the second CDC interface */ /* Echo all received data on the second CDC interface */
uint16_t BytesToEcho = CDC_Device_BytesReceived(&VirtualSerial2_CDC_Interface); while (CDC_Device_BytesReceived(&VirtualSerial2_CDC_Interface))
while (BytesToEcho--)
CDC_Device_SendByte(&VirtualSerial2_CDC_Interface, CDC_Device_ReceiveByte(&VirtualSerial2_CDC_Interface)); CDC_Device_SendByte(&VirtualSerial2_CDC_Interface, CDC_Device_ReceiveByte(&VirtualSerial2_CDC_Interface));
CDC_Device_USBTask(&VirtualSerial1_CDC_Interface); CDC_Device_USBTask(&VirtualSerial1_CDC_Interface);