Add tag for the 120219 release.
[pub/USBasp.git] / Demos / Host / LowLevel / MassStorageHost / ConfigDescriptor.c
index f336d62..566cdb1 100644 (file)
@@ -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
@@ -98,7 +98,7 @@ 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;
                else
                  DataOUTEndpoint = EndpointData;
@@ -126,12 +126,16 @@ uint8_t ProcessConfigurationDescriptor(void)
  */
 uint8_t DComp_NextMSInterface(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 descriptor class and protocol, break out if correct class/protocol interface found */
-               if ((DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Class    == MASS_STORE_CLASS)    &&
-                   (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).SubClass == MASS_STORE_SUBCLASS) &&
-                   (DESCRIPTOR_CAST(CurrentDescriptor, USB_Descriptor_Interface_t).Protocol == MASS_STORE_PROTOCOL))
+               if ((Interface->Class    == MASS_STORE_CLASS)    &&
+                   (Interface->SubClass == MASS_STORE_SUBCLASS) &&
+                   (Interface->Protocol == MASS_STORE_PROTOCOL))
                {
                        return DESCRIPTOR_SEARCH_Found;
                }
@@ -151,16 +155,17 @@ uint8_t DComp_NextMSInterface(void* CurrentDescriptor)
  */
 uint8_t DComp_NextMSInterfaceBulkDataEndpoint(void* CurrentDescriptor)
 {
-       if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
+       USB_Descriptor_Header_t* Header = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Header_t);
+
+       if (Header->Type == DTYPE_Endpoint)
        {
-               uint8_t EndpointType = (DESCRIPTOR_CAST(CurrentDescriptor,
-                                                       USB_Descriptor_Endpoint_t).Attributes & EP_TYPE_MASK);
+               USB_Descriptor_Endpoint_t* Endpoint = DESCRIPTOR_PCAST(CurrentDescriptor, USB_Descriptor_Endpoint_t);
 
                /* Check the endpoint type, break out if correct BULK type endpoint found */
-               if (EndpointType == EP_TYPE_BULK)
+               if ((Endpoint->Attributes & EP_TYPE_MASK) == EP_TYPE_BULK)
                  return DESCRIPTOR_SEARCH_Found;
        }
-       else if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Interface)
+       else if (Header->Type == DTYPE_Interface)
        {
                return DESCRIPTOR_SEARCH_Fail;
        }