Add tag for the 120219 release.

[pub/USBasp.git] / Demos / Host / LowLevel / KeyboardHostWithParser / ConfigDescriptor.c

diff --git a/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c b/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c
index 132b97b..765b325 100644 (file)
--- a/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/KeyboardHostWithParser/ConfigDescriptor.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2010.
+     Copyright (C) Dean Camera, 2012.
 
   dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
+           www.lufa-lib.org
 */
 
 /*
-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -105,7 +105,7 @@ uint8_t ProcessConfigurationDescriptor(void)
                USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t);
 
                /* If the endpoint is a IN type endpoint */
-               if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
+               if ((EndpointData->EndpointAddress & ENDPOINT_DIR_MASK) == ENDPOINT_DIR_IN)
                  DataINEndpoint = EndpointData;
        }
 
@@ -131,10 +131,14 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextKeyboardInterface(void* CurrentDescriptor)
 {
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+       if (Header->Type == DTYPE_Interface)
        {
+               USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+
                /* Check the HID descriptor class, break out if correct class interface found */
-               if (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == HID_CSCP_HIDClass)
+               if (Interface->Class == HID_CSCP_HIDClass)
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
@@ -147,24 +151,21 @@ uint8_t DComp_NextKeyboardInterface(void* CurrentDescriptor)
  *  configuration descriptor, to search for a specific sub descriptor. It can also be used to abort the configuration
  *  descriptor processing if an incompatible descriptor configuration is found.
  *
- *  This comparator searches for the next IN Endpoint descriptor inside the current interface descriptor,
- *  aborting the search if another interface descriptor is found before the required endpoint.
+ *  This comparator searches for the next Endpoint descriptor inside the current interface descriptor, aborting the
+ *  search if another interface descriptor is found before the required endpoint.
  *
  *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
  */
 uint8_t DComp_NextKeyboardInterfaceDataEndpoint(void* CurrentDescriptor)
 {
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
-       {
-               if (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Endpoint_t).EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
-                 return DESCRIPTOR_SEARCH_Found;
-       }
-       else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
-       {
-               return DESCRIPTOR_SEARCH_Fail;
-       }
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
 
-       return DESCRIPTOR_SEARCH_NotFound;
+       if (Header->Type == DTYPE_Endpoint)
+         return DESCRIPTOR_SEARCH_Found;
+       else if (Header->Type == DTYPE_Interface)
+         return DESCRIPTOR_SEARCH_Fail;
+       else
+         return DESCRIPTOR_SEARCH_NotFound;
 }
 
 /** Descriptor comparator function. This comparator function is can be called while processing an attached USB device's
@@ -177,9 +178,11 @@ uint8_t DComp_NextKeyboardInterfaceDataEndpoint(void* CurrentDescriptor)
  */
 uint8_t DComp_NextHID(void* CurrentDescriptor)
 {
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == HID_DTYPE_HID)
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+       if (Header->Type == HID_DTYPE_HID)
          return DESCRIPTOR_SEARCH_Found;
-       else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       else if (Header->Type == DTYPE_Interface)
          return DESCRIPTOR_SEARCH_Fail;
        else
          return DESCRIPTOR_SEARCH_NotFound;