/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
* documentation) by the application code so that the address and size of a requested descriptor can be given
* to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function
* is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
* USB host.
*
* \param[in] wValue Descriptor type and index to retrieve
* \param[in] wIndex Sub-index to retrieve (such as a localized string language)
* \param[out] DescriptorAddress Address of the retrieved descriptor
* \param[out] DescriptorMemorySpace Memory space that the descriptor is stored in
*
* \return Length of the retrieved descriptor in bytes, or NO_DESCRIPTOR if the descriptor was not found
*/
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
const uint8_t wIndex,
const void** const DescriptorAddress,
uint8_t* DescriptorMemorySpace)
{
return AVRISP_GetDescriptor(wValue, wIndex, DescriptorAddress, DescriptorMemorySpace);
}
/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
* documentation) by the application code so that the address and size of a requested descriptor can be given
* to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function
* is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
* USB host.
*
* \param[in] wValue Descriptor type and index to retrieve
* \param[in] wIndex Sub-index to retrieve (such as a localized string language)
* \param[out] DescriptorAddress Address of the retrieved descriptor
*
* \return Length of the retrieved descriptor in bytes, or NO_DESCRIPTOR if the descriptor was not found
*/
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
const uint8_t wIndex,
const void** const DescriptorAddress)
{
/* Return the correct descriptors based on the selected mode */
if (CurrentFirmwareMode == MODE_USART_BRIDGE)
return USART_GetDescriptor(wValue, wIndex, DescriptorAddress);
else
return AVRISP_GetDescriptor(wValue, wIndex, DescriptorAddress);
}
