00001 /* ---------------------------------------------------------------------------- 00002 * ATMEL Microcontroller Software Support 00003 * ---------------------------------------------------------------------------- 00004 * Copyright (c) 2008, Atmel Corporation 00005 * 00006 * All rights reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions are met: 00010 * 00011 * - Redistributions of source code must retain the above copyright notice, 00012 * this list of conditions and the disclaimer below. 00013 * 00014 * Atmel's name may not be used to endorse or promote products derived from 00015 * this software without specific prior written permission. 00016 * 00017 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR 00018 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00019 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE 00020 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, 00021 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00022 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 00023 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00024 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00025 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 00026 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00027 * ---------------------------------------------------------------------------- 00028 */ 00029 00030 /** \file 00031 */ 00032 00033 /** \addtogroup usbd_composite_hidmsd 00034 *@{ 00035 */ 00036 00037 /*--------------------------------------------------------------------------- 00038 * Headers 00039 *---------------------------------------------------------------------------*/ 00040 00041 #include <USBLib_Trace.h> 00042 00043 #include <HIDMSDDriver.h> 00044 00045 #include <HIDDKeyboard.h> 00046 #include <MSDFunction.h> 00047 00048 /*--------------------------------------------------------------------------- 00049 * Defines 00050 *---------------------------------------------------------------------------*/ 00051 00052 /*--------------------------------------------------------------------------- 00053 * Types 00054 *---------------------------------------------------------------------------*/ 00055 00056 /*--------------------------------------------------------------------------- 00057 * Internal variables 00058 *---------------------------------------------------------------------------*/ 00059 00060 /*--------------------------------------------------------------------------- 00061 * Internal functions 00062 *---------------------------------------------------------------------------*/ 00063 00064 00065 /*--------------------------------------------------------------------------- 00066 * Exported functions 00067 *---------------------------------------------------------------------------*/ 00068 00069 /** 00070 * Initializes the USB device HIDMSD device driver. 00071 */ 00072 void HIDMSDDriver_Initialize( 00073 const USBDDriverDescriptors *pDescriptors, 00074 MSDLun *pLuns, uint8_t numLuns) 00075 { 00076 USBDDriver *pUsbd = USBD_GetDriver(); 00077 00078 /* Initialize the standard USB driver */ 00079 USBDDriver_Initialize(pUsbd, 00080 pDescriptors, 00081 0); 00082 00083 /* HID */ 00084 HIDDKeyboard_Initialize(pUsbd, HIDMSDDriverDescriptors_HID_INTERFACE); 00085 00086 /* MSD */ 00087 MSDFunction_Initialize(pUsbd, HIDMSDDriverDescriptors_MSD_INTERFACE, 00088 pLuns, numLuns); 00089 00090 /* Initialize the USB driver */ 00091 USBD_Init(); 00092 } 00093 00094 /** 00095 * Invoked whenever the configuration value of a device is changed by the host 00096 * \param cfgnum Configuration number. 00097 */ 00098 void HIDMSDDriver_ConfigurationChangedHandler(uint8_t cfgnum) 00099 { 00100 USBDDriver *pUsbd = USBD_GetDriver(); 00101 USBConfigurationDescriptor *pDesc; 00102 if (cfgnum > 0) { 00103 pDesc = USBDDriver_GetCfgDescriptors(pUsbd, cfgnum); 00104 /* HID */ 00105 HIDDKeyboard_ConfigureFunction((USBGenericDescriptor*)pDesc, 00106 pDesc->wTotalLength); 00107 /* MSD */ 00108 MSDFunction_Configure((USBGenericDescriptor*)pDesc, 00109 pDesc->wTotalLength); 00110 } 00111 } 00112 00113 /** 00114 * Handles HIDMSD-specific USB requests sent by the host, and forwards 00115 * standard ones to the USB device driver. 00116 * \param request Pointer to a USBGenericRequest instance. 00117 */ 00118 void HIDMSDDriver_RequestHandler(const USBGenericRequest *request) 00119 { 00120 USBDDriver *pUsbd = USBD_GetDriver(); 00121 00122 TRACE_INFO_WP("NewReq "); 00123 00124 if (HIDDKeyboard_RequestHandler(request) == USBRC_SUCCESS) 00125 return; 00126 00127 if (MSDFunction_RequestHandler(request) == USBRC_SUCCESS) 00128 return; 00129 00130 USBDDriver_RequestHandler(pUsbd, request); 00131 } 00132 00133 /** 00134 * Starts a remote wake-up sequence if the host has explicitely enabled it 00135 * by sending the appropriate SET_FEATURE request. 00136 */ 00137 void HIDMSDDriver_RemoteWakeUp(void) 00138 { 00139 USBDDriver *pUsbd = USBD_GetDriver(); 00140 00141 /* Remote wake-up has been enabled */ 00142 if (USBDDriver_IsRemoteWakeUpEnabled(pUsbd)) { 00143 00144 USBD_RemoteWakeUp(); 00145 } 00146 /* Remote wake-up NOT enabled */ 00147 else { 00148 00149 TRACE_WARNING("HIDMSDDDriver_RemoteWakeUp: not enabled\n\r"); 00150 } 00151 } 00152 /**@}*/ 00153