Add LUFA-111009-BETA tag.

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

diff --git a/Demos/Host/LowLevel/MouseHost/ConfigDescriptor.c b/Demos/Host/LowLevel/MouseHost/ConfigDescriptor.c
index f74ecf2..926642f 100644 (file)
--- a/Demos/Host/LowLevel/MouseHost/ConfigDescriptor.c
+++ b/Demos/Host/LowLevel/MouseHost/ConfigDescriptor.c
@@ -1,13 +1,13 @@
 /*
              LUFA Library
 /*
              LUFA Library

-     Copyright (C) Dean Camera, 2010.
+     Copyright (C) Dean Camera, 2011.

 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*
 
   dean [at] fourwalledcubicle [dot] com
            www.lufa-lib.org
 */
 
 /*

-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2011  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
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted


@@ -93,7 +93,7 @@ uint8_t ProcessConfigurationDescriptor(void)
                USB_Descriptor_Endpoint_t* EndpointData = DESCRIPTOR_PCAST(CurrConfigLocation, USB_Descriptor_Endpoint_t);
 
                /* If the endpoint is a IN type endpoint */
                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;
        }
 
                  DataINEndpoint = EndpointData;
        }
 


@@ -116,12 +116,16 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextMouseInterface(void* CurrentDescriptor)
 {
  */
 uint8_t DComp_NextMouseInterface(void* CurrentDescriptor)
 {

+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+

        /* Determine if the current descriptor is an interface descriptor */
        /* Determine if the current descriptor is an interface descriptor */

-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       if (Header->Type == DTYPE_Interface)

        {
        {

+               USB_Descriptor_Interface_t* Interface = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Interface_t);
+

                /* Check the HID descriptor class and protocol, break out if correct class/protocol interface found */
                /* Check the HID descriptor class and protocol, break out if correct class/protocol interface found */

-               if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == HID_CSCP_HIDClass) &&
-                   (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == HID_CSCP_MouseBootProtocol))
+               if ((Interface->Class    == HID_CSCP_HIDClass) &&
+                   (Interface->Protocol == HID_CSCP_MouseBootProtocol))

                {
                        /* Indicate that the descriptor being searched for has been found */
                        return DESCRIPTOR_SEARCH_Found;
                {
                        /* Indicate that the descriptor being searched for has been found */
                        return DESCRIPTOR_SEARCH_Found;


@@ -136,30 +140,21 @@ uint8_t DComp_NextMouseInterface(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.
  *
  *  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_NextMouseInterfaceDataEndpoint(void* CurrentDescriptor)
 {
  *
  *  \return A value from the DSEARCH_Return_ErrorCodes_t enum
  */
 uint8_t DComp_NextMouseInterfaceDataEndpoint(void* CurrentDescriptor)
 {

-       /* Determine the type of the current descriptor */
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
-       {
-               /* Check if the current Endpoint descriptor is of type IN */
-               if (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Endpoint_t).EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
-               {
-                       /* Indicate that the descriptor being searched for has been found */
-                       return DESCRIPTOR_SEARCH_Found;
-               }
-       }
-       else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
-       {
-               /* Indicate that the search has failed prematurely and should be aborted */
-               return DESCRIPTOR_SEARCH_Fail;
-       }
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);

 
 

-       /* Current descriptor does not match what this comparator is looking for */
-       return DESCRIPTOR_SEARCH_NotFound;
+       /* Determine the type of the current descriptor */
+       if (Header->Type == DTYPE_Endpoint)
+         return DESCRIPTOR_SEARCH_Found;
+       else if (Header->Type == DTYPE_Interface)
+         return DESCRIPTOR_SEARCH_Fail;
+       else
+         return DESCRIPTOR_SEARCH_NotFound;

 }
 
 }