| /* ---------------------------------------------------------------------------- |
| * ATMEL Microcontroller Software Support |
| * ---------------------------------------------------------------------------- |
| * Copyright (c) 2010, Atmel Corporation |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the disclaimer below. |
| * |
| * Atmel's name may not be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE |
| * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
| * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ---------------------------------------------------------------------------- |
| */ |
| |
| /** \addtogroup usbd_composite_hidaud |
| *@{ |
| */ |
| /*--------------------------------------------------------------------------- |
| * Headers |
| *---------------------------------------------------------------------------*/ |
| |
| #include <USBLib_Trace.h> |
| |
| #include <HIDAUDDDriver.h> |
| #include <HIDDKeyboard.h> |
| #include <AUDDFunction.h> |
| |
| /*--------------------------------------------------------------------------- |
| * Defines |
| *---------------------------------------------------------------------------*/ |
| |
| /*--------------------------------------------------------------------------- |
| * Types |
| *---------------------------------------------------------------------------*/ |
| |
| /*--------------------------------------------------------------------------- |
| * Internal variables |
| *---------------------------------------------------------------------------*/ |
| |
| /** Array for storing the current setting of each interface */ |
| static uint8_t bAltInterfaces[HIDAUDDDriverDescriptors_NUMINTERFACE]; |
| |
| /*--------------------------------------------------------------------------- |
| * Internal functions |
| *---------------------------------------------------------------------------*/ |
| |
| /*--------------------------------------------------------------------------- |
| * Exported functions |
| *---------------------------------------------------------------------------*/ |
| |
| /** |
| * Initializes the USB device composite device driver. |
| */ |
| void HIDAUDDDriver_Initialize(const USBDDriverDescriptors *pDescriptors) |
| { |
| USBDDriver *pUsbd = USBD_GetDriver(); |
| |
| /* Initialize the standard USB driver */ |
| USBDDriver_Initialize(pUsbd, |
| pDescriptors, |
| bAltInterfaces); |
| |
| /* HID */ |
| HIDDKeyboard_Initialize(pUsbd, HIDAUDDDriverDescriptors_HID_INTERFACE); |
| /* Audio */ |
| AUDDFunction_Initialize(pUsbd, HIDAUDDDriverDescriptors_AUD_INTERFACE); |
| |
| /* Initialize the USB driver */ |
| USBD_Init(); |
| } |
| |
| /** |
| * Invoked whenever the configuration value of a device is changed by the host |
| * \param cfgnum Configuration number. |
| */ |
| void HIDAUDDDriver_ConfigurationChangedHandler(uint8_t cfgnum) |
| { |
| USBDDriver *pUsbd = USBD_GetDriver(); |
| USBConfigurationDescriptor *pDesc; |
| if (cfgnum > 0) { |
| pDesc = USBDDriver_GetCfgDescriptors(pUsbd, cfgnum); |
| /* CDC */ |
| HIDDKeyboard_ConfigureFunction((USBGenericDescriptor*)pDesc, |
| pDesc->wTotalLength); |
| /* AUD */ |
| AUDDFunction_Configure((USBGenericDescriptor*)pDesc, |
| pDesc->wTotalLength); |
| } |
| } |
| |
| /** |
| * Invoked whenever the active setting of an interface is changed by the |
| * host. Changes the status of the third LED accordingly. |
| * \param interface Interface number. |
| * \param setting Newly active setting. |
| */ |
| void HIDAUDDDriver_InterfaceSettingChangedHandler(uint8_t interface, |
| uint8_t setting) |
| { |
| AUDDFunction_InterfaceSettingChangedHandler(interface, setting); |
| } |
| |
| /** |
| * Handles composite-specific USB requests sent by the host, and forwards |
| * standard ones to the USB device driver. |
| * \param request Pointer to a USBGenericRequest instance. |
| */ |
| void HIDAUDDDriver_RequestHandler(const USBGenericRequest *request) |
| { |
| USBDDriver *pUsbd = USBD_GetDriver(); |
| |
| TRACE_INFO_WP("NewReq "); |
| |
| if (HIDDKeyboard_RequestHandler(request) == USBRC_SUCCESS) |
| return; |
| |
| if (AUDDFunction_RequestHandler(request) == USBRC_SUCCESS) |
| return; |
| |
| USBDDriver_RequestHandler(pUsbd, request); |
| } |
| |
| /**@}*/ |
| |