Changed all Device mode LowLevel demos and Device Class drivers so that the control...

[pub/USBasp.git] / Demos / Device / Incomplete / Sideshow / Descriptors.c

diff --git a/Demos/Device/Incomplete/Sideshow/Descriptors.c b/Demos/Device/Incomplete/Sideshow/Descriptors.c
index f6d16c8..a3f28b5 100644 (file)
--- a/Demos/Device/Incomplete/Sideshow/Descriptors.c
+++ b/Demos/Device/Incomplete/Sideshow/Descriptors.c
@@ -154,7 +154,9 @@ USB_OSCompatibleIDDescriptor_t PROGMEM DevCompatIDs =
                                 SubCompatibleID: "UNIV1"}
 };
 
-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,
+                                    void** const DescriptorAddress)
 {
        const uint8_t  DescriptorType   = (wValue >> 8);
        const uint8_t  DescriptorNumber = (wValue & 0xFF);
@@ -192,7 +194,7 @@ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex,
                                        Size    = pgm_read_byte(&SerialNumberString.Header.Size);
                                        break;
                                case 0xEE:
-                                       /* A Microsoft-proprietary extention. String address 0xEE is used by Windows for
+                                       /* A Microsoft-proprietary extension. String address 0xEE is used by Windows for
                                           "OS Descriptors", which in this case allows us to indicate that our device is
                                           Sideshow compatible regardless of VID/PID values. */
                                        Address = (void*)&OSDescriptorString;
@@ -207,11 +209,12 @@ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex,
        return Size;
 }
 
-bool USB_GetOSFeatureDescriptor(const uint16_t wValue, const uint8_t wIndex,
-                                void** const DescriptorAddress, uint16_t* const DescriptorSize)
+uint16_t USB_GetOSFeatureDescriptor(const uint16_t wValue,
+                                    const uint8_t wIndex,
+                                    void** const DescriptorAddress)
 {
        void*    Address = NULL;
-       uint16_t Size    = 0;
+       uint16_t Size    = NO_DESCRIPTOR;
 
        /* Check if a device level OS feature descriptor is being requested */
        if (wValue == 0x0000)
@@ -224,13 +227,6 @@ bool USB_GetOSFeatureDescriptor(const uint16_t wValue, const uint8_t wIndex,
                }
        }
 
-       if (Address != NULL)
-       {
-               *DescriptorAddress = Address;
-               *DescriptorSize    = Size;
-
-               return true;
-       }
-               
-       return false;
-}
\ No newline at end of file
+       *DescriptorAddress = Address;
+       return Size;
+}