Added new USB_Host_GetDeviceConfiguration() and USB_Host_GetInterfaceAltSetting(...

[pub/USBasp.git] / LUFA / Drivers / USB / Core / HostStandardReq.h

diff --git a/LUFA/Drivers/USB/Core/HostStandardReq.h b/LUFA/Drivers/USB/Core/HostStandardReq.h
index 4bc3dda..ab49119 100644 (file)
--- 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: */