LUFA/Drivers/USB/LowLevel/Template/Template_Endpoint_Control_R.c

   1 uint8_t TEMPLATE_FUNC_NAME (void* Buffer, uint16_t Length)
   2 {
   3         uint8_t* DataStream = (uint8_t*)(Buffer + TEMPLATE_BUFFER_OFFSET(Length));
   4
   5         while (Length)
   6         {
   7                 if (Endpoint_IsOUTReceived())
   8                 {
   9                         while (Length && Endpoint_BytesInEndpoint())
  10                         {
  11                                 TEMPLATE_TRANSFER_BYTE(DataStream);
  12                                 Length--;
  13                         }
  14
  15                         Endpoint_ClearOUT();
  16                 }
  17
  18                 if (USB_DeviceState == DEVICE_STATE_Unattached)
  19                   return ENDPOINT_RWCSTREAM_DeviceDisconnected;
  20         }
  21
  22         while (!(Endpoint_IsINReady()))
  23         {
  24                 if (USB_DeviceState == DEVICE_STATE_Unattached)
  25                   return ENDPOINT_RWCSTREAM_DeviceDisconnected;
  26         }
  27
  28         return ENDPOINT_RWCSTREAM_NoError;
  29 }
  30
  31
  32 #undef TEMPLATE_BUFFER_OFFSET
  33 #undef TEMPLATE_FUNC_NAME
  34 #undef TEMPLATE_TRANSFER_BYTE