Template_Endpoint_Control_R.c

uint8_t TEMPLATE_FUNC_NAME (void* Buffer,
                            uint16_t Length)
{
	uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
	
	if (!(Length))
	  Endpoint_ClearOUT();
	
	while (Length)
	{
		if (Endpoint_IsSETUPReceived())
		  return ENDPOINT_RWCSTREAM_HostAborted;

		if (USB_DeviceState == DEVICE_STATE_Unattached)
		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
		else if (USB_DeviceState == DEVICE_STATE_Suspended)
		  return ENDPOINT_RWCSTREAM_BusSuspended;
		  
		if (Endpoint_IsOUTReceived())
		{
			while (Length && Endpoint_BytesInEndpoint())
			{
				TEMPLATE_TRANSFER_BYTE(DataStream);
				Length--;
			}
			
			Endpoint_ClearOUT();
		}		  
	}
	
	while (!(Endpoint_IsINReady()))
	{
		if (USB_DeviceState == DEVICE_STATE_Unattached)
		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
		else if (USB_DeviceState == DEVICE_STATE_Suspended)
		  return ENDPOINT_RWCSTREAM_BusSuspended;
	}
	
	return ENDPOINT_RWCSTREAM_NoError;
}


#undef TEMPLATE_BUFFER_OFFSET
#undef TEMPLATE_FUNC_NAME
#undef TEMPLATE_TRANSFER_BYTE