/** Descriptor retrieval function for the USART Bridge descriptors. This function is in turn called by the GetDescriptor
* callback function in the main source file, to retrieve the device's descriptors when in USART bridge mode.
*/
-uint16_t USART_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)
+uint16_t USART_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*)&USART_DeviceDescriptor;
+ Address = &USART_DeviceDescriptor;
Size = sizeof(USB_Descriptor_Device_t);
break;
case DTYPE_Configuration:
- Address = (void*)&USART_ConfigurationDescriptor;
+ Address = &USART_ConfigurationDescriptor;
Size = sizeof(USART_USB_Descriptor_Configuration_t);
break;
case DTYPE_String:
switch (DescriptorNumber)
{
case 0x00:
- Address = (void*)&USART_LanguageString;
+ Address = &USART_LanguageString;
Size = pgm_read_byte(&USART_LanguageString.Header.Size);
break;
case 0x01:
- Address = (void*)&USART_ManufacturerString;
+ Address = &USART_ManufacturerString;
Size = pgm_read_byte(&USART_ManufacturerString.Header.Size);
break;
case 0x02:
- Address = (void*)&USART_ProductString;
+ Address = &USART_ProductString;
Size = pgm_read_byte(&USART_ProductString.Header.Size);
break;
}