X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/c49bdcb7c930f2d0e0cf6887b3326f9e8f7f37b3..c1fa2306181924ebd8b36b0e3910b7904143beb8:/LUFA/Drivers/USB/LowLevel/Host.h diff --git a/LUFA/Drivers/USB/LowLevel/Host.h b/LUFA/Drivers/USB/LowLevel/Host.h index 8cf1fe047..0a0700210 100644 --- a/LUFA/Drivers/USB/LowLevel/Host.h +++ b/LUFA/Drivers/USB/LowLevel/Host.h @@ -201,6 +201,22 @@ */ uint8_t USB_Host_GetDeviceDescriptor(void* const DeviceDescriptorPtr); + /** Convenience function. This routine sends a GetDescriptor standard request to the attached + * device, requesting the string descriptor of the specified index. This can be used to easily + * retrieve string descriptors from the device by index, after the index is obtained from the + * Device or Configuration descriptors. + * + * \note After this routine returns, the control pipe will be selected. + * + * \param[in] Index Index of the string index to retrieve + * \param[out] Buffer Pointer to the destination buffer where the retrieved string decriptor is + * to be stored + * \param[in] BufferLength Maximum size of the string descriptor which can be stored into the buffer + * + * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result. + */ + uint8_t USB_Host_GetDeviceStringDescriptor(uint8_t Index, void* const Buffer, uint8_t BufferLength); + /** Clears a stall condition on the given pipe, via a ClearFeature request to the attached device. * * \note After this routine returns, the control pipe will be selected.