Copy out the EndpointStream and PipeStream functions to each architecture, so that each architecture can optimise the stream functions according to the available hardware (such as DMA, where available).

1 files changed, 58 insertions, 0 deletions

diff --git a/LUFA/Drivers/USB/Core/AVR8/Template/Template_Endpoint_Control_W.c b/LUFA/Drivers/USB/Core/AVR8/Template/Template_Endpoint_Control_W.c
new file mode 100644
index 000000000..bdbbcfc11
--- /dev/null
+++ b/LUFA/Drivers/USB/Core/AVR8/Template/Template_Endpoint_Control_W.c
@@ -0,0 +1,58 @@
+uint8_t TEMPLATE_FUNC_NAME (const void* const 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)
+	{
+		uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+		if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
+		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+		else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+		  return ENDPOINT_RWCSTREAM_BusSuspended;
+		else if (Endpoint_IsSETUPReceived())
+		  return ENDPOINT_RWCSTREAM_HostAborted;
+		else if (Endpoint_IsOUTReceived())
+		  break;
+
+		if (Endpoint_IsINReady())
+		{
+			uint16_t BytesInEndpoint = Endpoint_BytesInEndpoint();
+
+			while (Length && (BytesInEndpoint < USB_ControlEndpointSize))
+			{
+				TEMPLATE_TRANSFER_BYTE(DataStream);
+				TEMPLATE_BUFFER_MOVE(DataStream, 1);
+				Length--;
+				BytesInEndpoint++;
+			}
+
+			LastPacketFull = (BytesInEndpoint == USB_ControlEndpointSize);
+			Endpoint_ClearIN();
+		}
+	}
+
+	while (!(Endpoint_IsOUTReceived()))
+	{
+		uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+		if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
+		  return ENDPOINT_RWCSTREAM_DeviceDisconnected;
+		else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
+		  return ENDPOINT_RWCSTREAM_BusSuspended;
+	}
+
+	return ENDPOINT_RWCSTREAM_NoError;
+}
+
+#undef TEMPLATE_BUFFER_OFFSET
+#undef TEMPLATE_BUFFER_MOVE
+#undef TEMPLATE_FUNC_NAME
+#undef TEMPLATE_TRANSFER_BYTE