Minor documentation enhancements.
[pub/USBasp.git] / Projects / AVRISP-MKII / Descriptors.c
index a57ad06..5559bc1 100644 (file)
@@ -81,7 +81,7 @@ USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
                        .ConfigurationNumber    = 1,
                        .ConfigurationStrIndex  = NO_DESCRIPTOR,
                                
-                       .ConfigAttributes       = (USB_CONFIG_ATTR_BUSPOWERED | USB_CONFIG_ATTR_SELFPOWERED),
+                       .ConfigAttributes       = USB_CONFIG_ATTR_BUSPOWERED,
                        
                        .MaxPowerConsumption    = USB_CONFIG_POWER_MA(100)
                },
@@ -172,41 +172,43 @@ USB_Descriptor_String_t PROGMEM SerialString =
  *  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;
                                case 0x03:
-                                       Address = (void*)&SerialString;
+                                       Address = &SerialString;
                                        Size    = pgm_read_byte(&SerialString.Header.Size);
                                        break;                                  
                        }