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_IsSETUPReceived())
   8                   return ENDPOINT_RWCSTREAM_HostAborted;
   9
  10                 if (USB_DeviceState == DEVICE_STATE_Unattached)
  11                   return ENDPOINT_RWCSTREAM_DeviceDisconnected;
  12
  13                 if (Endpoint_IsOUTReceived())
  14                 {
  15                         while (Length && Endpoint_BytesInEndpoint())
  16                         {
  17                                 TEMPLATE_TRANSFER_BYTE(DataStream);
  18                                 Length--;
  19                         }
  20
  21                         Endpoint_ClearOUT();
  22                 }
  23         }
  24
  25         while (!(Endpoint_IsINReady()))
  26         {
  27                 if (USB_DeviceState == DEVICE_STATE_Unattached)
  28                   return ENDPOINT_RWCSTREAM_DeviceDisconnected;
  29         }
  30
  31         return ENDPOINT_RWCSTREAM_NoError;
  32 }
  33
  34
  35 #undef TEMPLATE_BUFFER_OFFSET
  36 #undef TEMPLATE_FUNC_NAME
  37 #undef TEMPLATE_TRANSFER_BYTE