Changed the signature of the CALLBACK_USB_GetDescriptor() callback function so that the descriptor pointer is const, to remove the need for extra casting inside the callback (thanks to Jonathan Kollasch).

git-svn-id: http://lufa-lib.googlecode.com/svn/trunk@1452 d5102386-fcda-11dd-9fdb-3debd5008f28

1 files changed, 10 insertions, 8 deletions

diff --git a/Projects/Webserver/Descriptors.c b/Projects/Webserver/Descriptors.c
index 0b134c0a..8bf3edbe 100644
--- a/Projects/Webserver/Descriptors.c
+++ b/Projects/Webserver/Descriptors.c
@@ -174,37 +174,39 @@ USB_Descriptor_String_t PROGMEM ProductString =
  *  is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
  *  USB host.
  */
-uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)
+uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
+                                    const uint8_t wIndex,
+                                    const void** const DescriptorAddress)
 {
 	const uint8_t  DescriptorType   = (wValue >> 8);
 	const uint8_t  DescriptorNumber = (wValue & 0xFF);
 
-	void*    Address = NULL;
-	uint16_t Size    = NO_DESCRIPTOR;
+	const void* Address = NULL;
+	uint16_t    Size    = NO_DESCRIPTOR;
 
 	switch (DescriptorType)
 	{
 		case DTYPE_Device: 
-			Address = (void*)&DeviceDescriptor;
+			Address = &DeviceDescriptor;
 			Size    = sizeof(USB_Descriptor_Device_t);
 			break;
 		case DTYPE_Configuration: 
-			Address = (void*)&ConfigurationDescriptor;
+			Address = &ConfigurationDescriptor;
 			Size    = sizeof(USB_Descriptor_Configuration_t);
 			break;
 		case DTYPE_String: 
 			switch (DescriptorNumber)
 			{
 				case 0x00: 
-					Address = (void*)&LanguageString;
+					Address = &LanguageString;
 					Size    = pgm_read_byte(&LanguageString.Header.Size);
 					break;
 				case 0x01: 
-					Address = (void*)&ManufacturerString;
+					Address = &ManufacturerString;
 					Size    = pgm_read_byte(&ManufacturerString.Header.Size);
 					break;
 				case 0x02: 
-					Address = (void*)&ProductString;
+					Address = &ProductString;
 					Size    = pgm_read_byte(&ProductString.Header.Size);
 					break;
 			}