Simplify SideShow GUID compares via a macro.
authorDean Camera <dean@fourwalledcubicle.com>
Mon, 20 Jul 2009 14:51:19 +0000 (14:51 +0000)
committerDean Camera <dean@fourwalledcubicle.com>
Mon, 20 Jul 2009 14:51:19 +0000 (14:51 +0000)
Demos/Device/Incomplete/Sideshow/Lib/SideshowApplications.c
Demos/Device/Incomplete/Sideshow/Lib/SideshowCommands.c
Demos/Device/Incomplete/Sideshow/Lib/SideshowCommon.h

index f2789c4..ad26d77 100644 (file)
@@ -63,7 +63,7 @@ SideShow_Application_t* SideShow_GetApplicationFromGUID(GUID_t* GUID)
        {\r
                if (InstalledApplications[App].InUse)\r
                {\r
-                       if (memcmp(&InstalledApplications[App].ApplicationID, GUID, sizeof(GUID_t)) == 0)\r
+                       if (GUID_COMPARE(&InstalledApplications[App].ApplicationID, GUID))\r
                          return &InstalledApplications[App];\r
                }\r
        }\r
index 2726d50..8dc0b62 100644 (file)
@@ -134,9 +134,9 @@ static void SideShow_Sync(SideShow_PacketHeader_t* PacketHeader)
        Endpoint_Read_Stream_LE(&ProtocolGUID, sizeof(GUID_t));\r
        Endpoint_ClearOUT();\r
        \r
-       if (memcmp(&ProtocolGUID, (uint32_t[])STANDARD_PROTOCOL_GUID, sizeof(GUID_t)) != 0)\r
+       if (!(GUID_COMPARE(&ProtocolGUID, (uint32_t[])STANDARD_PROTOCOL_GUID)))\r
          PacketHeader->Type.NAK = true;\r
-\r
+       \r
        Endpoint_SelectEndpoint(SIDESHOW_IN_EPNUM);\r
        Endpoint_Write_Stream_LE(PacketHeader, sizeof(SideShow_PacketHeader_t));                \r
        Endpoint_Write_Stream_LE(&ProtocolGUID, sizeof(GUID_t));\r
@@ -179,7 +179,7 @@ static void SideShow_GetCapabilities(SideShow_PacketHeader_t* PacketHeader)
 \r
        PacketHeader->Length = sizeof(SideShow_PacketHeader_t);\r
 \r
-       if (memcmp(&Property.PropertyGUID, (uint32_t[])SIDESHOW_PROPERTY_GUID, sizeof(GUID_t)) == 0)\r
+       if (GUID_COMPARE(&Property.PropertyGUID, (uint32_t[])SIDESHOW_PROPERTY_GUID))\r
        {\r
                switch (Property.PropertyID)\r
                {\r
@@ -233,7 +233,7 @@ static void SideShow_GetCapabilities(SideShow_PacketHeader_t* PacketHeader)
                                break;\r
                }\r
        }\r
-       else if (memcmp(&Property.PropertyGUID, (uint32_t[])DEVICE_PROPERTY_GUID, sizeof(GUID_t)) == 0)\r
+       else if (GUID_COMPARE(&Property.PropertyGUID, (uint32_t[])DEVICE_PROPERTY_GUID))\r
        {\r
                switch (Property.PropertyID)\r
                {\r
index cea81ce..eb76d7c 100644 (file)
@@ -38,6 +38,8 @@
                #include <LUFA/Drivers/USB/USB.h>\r
 \r
        /* Macros: */\r
+               #define GUID_COMPARE(a, b)                (memcmp(a, b, sizeof(GUID_t)) == 0)\r
+       \r
                #define ARRAY_ELEMENTS(x)                 (sizeof(x) / sizeof(x[0]))\r
                \r
                #define UNICODE_STRING_t(x)               struct                          \\r