Split out endpoint and pipe stream functions into new EndpointStream.c/.h and PipeStr...

[pub/lufa.git] / LUFA / Drivers / USB / HighLevel / Template / Template_Endpoint_Control_W.c

diff --git a/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c
new file mode 100644 (file)
index 0000000..dc2c37d
--- /dev/null
+++ b/LUFA/Drivers/USB/HighLevel/Template/Template_Endpoint_Control_W.c
@@ -0,0 +1,54 @@
+uint8_t TEMPLATE_FUNC_NAME (const void* Buffer,
+                            uint16_t Length)
+{
+       uint8_t* DataStream     = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
+       bool     LastPacketFull = false;
+       
+       if (Length > USB_ControlRequest.wLength)
+         Length = USB_ControlRequest.wLength;
+       else if (!(Length))
+         Endpoint_ClearIN();
+
+       while (Length || LastPacketFull)
+       {
+               if (Endpoint_IsSETUPReceived())
+                 return ENDPOINT_RWCSTREAM_HostAborted;
+
+               if (Endpoint_IsOUTReceived())
+                 break;
+               
+               if (USB_DeviceState == DEVICE_STATE_Unattached)
+                 return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+               else if (USB_DeviceState == DEVICE_STATE_Suspended)
+                 return ENDPOINT_RWCSTREAM_BusSuspended;
+                 
+               if (Endpoint_IsINReady())
+               {
+                       uint8_t BytesInEndpoint = Endpoint_BytesInEndpoint();
+               
+                       while (Length && (BytesInEndpoint < USB_ControlEndpointSize))
+                       {
+                               TEMPLATE_TRANSFER_BYTE(DataStream);
+                               Length--;
+                               BytesInEndpoint++;
+                       }
+                       
+                       LastPacketFull = (BytesInEndpoint == USB_ControlEndpointSize);
+                       Endpoint_ClearIN();
+               }
+       }
+       
+       while (!(Endpoint_IsOUTReceived()))
+       {
+               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
\ No newline at end of file