| Christina Quast | b123d74 | 2014-12-23 13:03:36 +0100 | [diff] [blame] | 1 | /* ---------------------------------------------------------------------------- |
| 2 | * ATMEL Microcontroller Software Support |
| 3 | * ---------------------------------------------------------------------------- |
| 4 | * Copyright (c) 2010, Atmel Corporation |
| 5 | * |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions are met: |
| 10 | * |
| 11 | * - Redistributions of source code must retain the above copyright notice, |
| 12 | * this list of conditions and the disclaimer below. |
| 13 | * |
| 14 | * Atmel's name may not be used to endorse or promote products derived from |
| 15 | * this software without specific prior written permission. |
| 16 | * |
| 17 | * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE |
| 20 | * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
| 23 | * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 24 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 25 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| 26 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | * ---------------------------------------------------------------------------- |
| 28 | */ |
| 29 | |
| 30 | /** \addtogroup usbd_composite_hidaud |
| 31 | *@{ |
| 32 | */ |
| 33 | /*--------------------------------------------------------------------------- |
| 34 | * Headers |
| 35 | *---------------------------------------------------------------------------*/ |
| 36 | |
| 37 | #include <USBLib_Trace.h> |
| 38 | |
| 39 | #include <HIDAUDDDriver.h> |
| 40 | #include <HIDDKeyboard.h> |
| 41 | #include <AUDDFunction.h> |
| 42 | |
| 43 | /*--------------------------------------------------------------------------- |
| 44 | * Defines |
| 45 | *---------------------------------------------------------------------------*/ |
| 46 | |
| 47 | /*--------------------------------------------------------------------------- |
| 48 | * Types |
| 49 | *---------------------------------------------------------------------------*/ |
| 50 | |
| 51 | /*--------------------------------------------------------------------------- |
| 52 | * Internal variables |
| 53 | *---------------------------------------------------------------------------*/ |
| 54 | |
| 55 | /** Array for storing the current setting of each interface */ |
| 56 | static uint8_t bAltInterfaces[HIDAUDDDriverDescriptors_NUMINTERFACE]; |
| 57 | |
| 58 | /*--------------------------------------------------------------------------- |
| 59 | * Internal functions |
| 60 | *---------------------------------------------------------------------------*/ |
| 61 | |
| 62 | /*--------------------------------------------------------------------------- |
| 63 | * Exported functions |
| 64 | *---------------------------------------------------------------------------*/ |
| 65 | |
| 66 | /** |
| 67 | * Initializes the USB device composite device driver. |
| 68 | */ |
| 69 | void HIDAUDDDriver_Initialize(const USBDDriverDescriptors *pDescriptors) |
| 70 | { |
| 71 | USBDDriver *pUsbd = USBD_GetDriver(); |
| 72 | |
| 73 | /* Initialize the standard USB driver */ |
| 74 | USBDDriver_Initialize(pUsbd, |
| 75 | pDescriptors, |
| 76 | bAltInterfaces); |
| 77 | |
| 78 | /* HID */ |
| 79 | HIDDKeyboard_Initialize(pUsbd, HIDAUDDDriverDescriptors_HID_INTERFACE); |
| 80 | /* Audio */ |
| 81 | AUDDFunction_Initialize(pUsbd, HIDAUDDDriverDescriptors_AUD_INTERFACE); |
| 82 | |
| 83 | /* Initialize the USB driver */ |
| 84 | USBD_Init(); |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Invoked whenever the configuration value of a device is changed by the host |
| 89 | * \param cfgnum Configuration number. |
| 90 | */ |
| 91 | void HIDAUDDDriver_ConfigurationChangedHandler(uint8_t cfgnum) |
| 92 | { |
| 93 | USBDDriver *pUsbd = USBD_GetDriver(); |
| 94 | USBConfigurationDescriptor *pDesc; |
| 95 | if (cfgnum > 0) { |
| 96 | pDesc = USBDDriver_GetCfgDescriptors(pUsbd, cfgnum); |
| 97 | /* CDC */ |
| 98 | HIDDKeyboard_ConfigureFunction((USBGenericDescriptor*)pDesc, |
| 99 | pDesc->wTotalLength); |
| 100 | /* AUD */ |
| 101 | AUDDFunction_Configure((USBGenericDescriptor*)pDesc, |
| 102 | pDesc->wTotalLength); |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Invoked whenever the active setting of an interface is changed by the |
| 108 | * host. Changes the status of the third LED accordingly. |
| 109 | * \param interface Interface number. |
| 110 | * \param setting Newly active setting. |
| 111 | */ |
| 112 | void HIDAUDDDriver_InterfaceSettingChangedHandler(uint8_t interface, |
| 113 | uint8_t setting) |
| 114 | { |
| 115 | AUDDFunction_InterfaceSettingChangedHandler(interface, setting); |
| 116 | } |
| 117 | |
| 118 | /** |
| 119 | * Handles composite-specific USB requests sent by the host, and forwards |
| 120 | * standard ones to the USB device driver. |
| 121 | * \param request Pointer to a USBGenericRequest instance. |
| 122 | */ |
| 123 | void HIDAUDDDriver_RequestHandler(const USBGenericRequest *request) |
| 124 | { |
| 125 | USBDDriver *pUsbd = USBD_GetDriver(); |
| 126 | |
| 127 | TRACE_INFO_WP("NewReq "); |
| 128 | |
| 129 | if (HIDDKeyboard_RequestHandler(request) == USBRC_SUCCESS) |
| 130 | return; |
| 131 | |
| 132 | if (AUDDFunction_RequestHandler(request) == USBRC_SUCCESS) |
| 133 | return; |
| 134 | |
| 135 | USBDDriver_RequestHandler(pUsbd, request); |
| 136 | } |
| 137 | |
| 138 | /**@}*/ |
| 139 | |