Added documentation for the constants and enums of the new StillImage Host Class driver added to the library so far.

LUFA/Drivers/USB/Class/Host/StillImage.c

@@ -222,6 +222,8 @@ uint8_t SImage_Host_RecieveBlockHeader(USB_ClassInfo_SI_Host_t* SIInterfaceInfo,
 		  Pipe_Read_Stream_LE(&PIMAHeader->Params, ParamBytes, NO_STREAM_CALLBACK);
 		
 		Pipe_ClearIN();
+		
+		PIMAHeader->Code &= 0x0000000F;
 	}
 	
 	Pipe_Freeze();

LUFA/Drivers/USB/Class/Host/StillImage.h

@@ -138,6 +138,8 @@
 			#define SI_FOUND_DATAPIPE_IN           (1 << 1)
 			#define SI_FOUND_DATAPIPE_OUT          (1 << 2)
 
+			#define COMMAND_DATA_TIMEOUT_MS        5000
+		
 		/* Function Prototypes: */
 			#if defined(INCLUDE_FROM_SI_CLASS_HOST_C)
 				static uint8_t DComp_SI_Host_NextSIInterface(void* CurrentDescriptor) ATTR_NON_NULL_PTR_ARG(1);