X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/7f8dbb4908abd33b5ee8bfba7cc3870fa14f7366..e915d968a5bdb8619c465b94d21a3801446a6539:/LUFA/Drivers/USB/Core/HostStandardReq.h diff --git a/LUFA/Drivers/USB/Core/HostStandardReq.h b/LUFA/Drivers/USB/Core/HostStandardReq.h index 4bc3ddad2..ab4911980 100644 --- a/LUFA/Drivers/USB/Core/HostStandardReq.h +++ b/LUFA/Drivers/USB/Core/HostStandardReq.h @@ -130,6 +130,19 @@ * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result. */ uint8_t USB_Host_SetDeviceConfiguration(const uint8_t ConfigNumber); + + /** Sends a GET CONFIGURATION standard request to the attached device, to retrieve the currently selected + * device configuration index. + * + * \note After this routine returns, the control pipe will be selected. + * + * \ingroup Group_PipeControlReq + * + * \param[out] ConfigNumber Pointer to a location where the retrieved configuration index should be stored. + * + * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result. + */ + uint8_t USB_Host_GetDeviceConfiguration(uint8_t* const ConfigNumber) ATTR_NON_NULL_PTR_ARG(1); /** Sends a GET DESCRIPTOR standard request to the attached device, requesting the device descriptor. * This can be used to easily retrieve information about the device such as its VID, PID and power @@ -206,6 +219,22 @@ uint8_t USB_Host_SetInterfaceAltSetting(const uint8_t InterfaceIndex, const uint8_t AltSetting); + + /** Retrieves the current alternative setting for the specified interface, via a GET INTERFACE standard request to + * the attached device. + * + * \note After this routine returns, the control pipe will be selected. + * + * \ingroup Group_PipeControlReq + * + * \param[in] InterfaceIndex Index of the interface whose alternative setting is to be altered. + * \param[out] AltSetting Pointer to a location where the retrieved alternative setting value should be stored. + * + * \return A value from the \ref USB_Host_SendControlErrorCodes_t enum to indicate the result. + */ + uint8_t USB_Host_GetInterfaceAltSetting(const uint8_t InterfaceIndex, + uint8_t* const AltSetting) ATTR_NON_NULL_PTR_ARG(2); + /* Private Interface - For use in library only: */ #if !defined(__DOXYGEN__) /* Enums: */