00001 /* ---------------------------------------------------------------------------- */ 00002 /* Atmel Microcontroller Software Support */ 00003 /* SAM Software Package License */ 00004 /* ---------------------------------------------------------------------------- */ 00005 /* Copyright (c) 2015, Atmel Corporation */ 00006 /* */ 00007 /* All rights reserved. */ 00008 /* */ 00009 /* Redistribution and use in source and binary forms, with or without */ 00010 /* modification, are permitted provided that the following condition is met: */ 00011 /* */ 00012 /* - Redistributions of source code must retain the above copyright notice, */ 00013 /* this list of conditions and the disclaimer below. */ 00014 /* */ 00015 /* Atmel's name may not be used to endorse or promote products derived from */ 00016 /* this software without specific prior written permission. */ 00017 /* */ 00018 /* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ 00019 /* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ 00020 /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ 00021 /* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ 00022 /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ 00023 /* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ 00024 /* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ 00025 /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ 00026 /* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ 00027 /* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ 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 00103 if (cfgnum > 0) { 00104 pDesc = USBDDriver_GetCfgDescriptors(pUsbd, cfgnum); 00105 /* HID */ 00106 HIDDKeyboard_ConfigureFunction((USBGenericDescriptor *)pDesc, 00107 pDesc->wTotalLength); 00108 /* MSD */ 00109 MSDFunction_Configure((USBGenericDescriptor *)pDesc, 00110 pDesc->wTotalLength); 00111 } 00112 } 00113 00114 /** 00115 * Handles HIDMSD-specific USB requests sent by the host, and forwards 00116 * standard ones to the USB device driver. 00117 * \param request Pointer to a USBGenericRequest instance. 00118 */ 00119 void HIDMSDDriver_RequestHandler(const USBGenericRequest *request) 00120 { 00121 USBDDriver *pUsbd = USBD_GetDriver(); 00122 00123 TRACE_INFO_WP("NewReq "); 00124 00125 if (HIDDKeyboard_RequestHandler(request) == USBRC_SUCCESS) 00126 return; 00127 00128 if (MSDFunction_RequestHandler(request) == USBRC_SUCCESS) 00129 return; 00130 00131 USBDDriver_RequestHandler(pUsbd, request); 00132 } 00133 00134 /** 00135 * Starts a remote wake-up sequence if the host has explicitly enabled it 00136 * by sending the appropriate SET_FEATURE request. 00137 */ 00138 void HIDMSDDriver_RemoteWakeUp(void) 00139 { 00140 USBDDriver *pUsbd = USBD_GetDriver(); 00141 00142 /* Remote wake-up has been enabled */ 00143 if (USBDDriver_IsRemoteWakeUpEnabled(pUsbd)) 00144 00145 USBD_RemoteWakeUp(); 00146 /* Remote wake-up NOT enabled */ 00147 else 00148 00149 TRACE_WARNING("HIDMSDDDriver_RemoteWakeUp: not enabled\n\r"); 00150 } 00151 /**@}*/ 00152