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 * \addtogroup usbd_hid_key 00032 *@{ 00033 * Implement a USB device that only have HID Keyboard Function. 00034 */ 00035 00036 /*------------------------------------------------------------------------------ 00037 * Headers 00038 *------------------------------------------------------------------------------*/ 00039 00040 #include <HIDDKeyboardDriver.h> 00041 #include <HIDDFunction.h> 00042 00043 #include <USBLib_Trace.h> 00044 00045 #include <USBRequests.h> 00046 #include <HIDDescriptors.h> 00047 #include <HIDRequests.h> 00048 #include <HIDReports.h> 00049 #include <HIDUsages.h> 00050 00051 #include "USBD.h" 00052 #include <USBD_HAL.h> 00053 #include <USBDDriver.h> 00054 00055 /*------------------------------------------------------------------------------ 00056 * Internal types 00057 *------------------------------------------------------------------------------*/ 00058 00059 /*------------------------------------------------------------------------------ 00060 * Internal variables 00061 *------------------------------------------------------------------------------*/ 00062 00063 /*------------------------------------------------------------------------------ 00064 * Internal functions 00065 *------------------------------------------------------------------------------*/ 00066 00067 /*------------------------------------------------------------------------------ 00068 * Exported functions 00069 *------------------------------------------------------------------------------*/ 00070 00071 /** 00072 * Initializes the HID keyboard device driver. 00073 */ 00074 void HIDDKeyboardDriver_Initialize(const USBDDriverDescriptors *pDescriptors) 00075 { 00076 USBDDriver *pUsbd = USBD_GetDriver(); 00077 USBDDriver_Initialize(pUsbd, pDescriptors, 0); 00078 HIDDKeyboard_Initialize(pUsbd, 0); 00079 USBD_Init(); 00080 } 00081 00082 /** 00083 * Handles configureation changed event. 00084 * \param cfgnum New configuration number 00085 */ 00086 void HIDDKeyboardDriver_ConfigurationChangedHandler(uint8_t cfgnum) 00087 { 00088 USBDDriver *pUsbd = USBD_GetDriver(); 00089 const USBDDriverDescriptors * pDescriptors = pUsbd->pDescriptors; 00090 USBConfigurationDescriptor *pDesc; 00091 00092 if (cfgnum > 0) { 00093 if (USBD_HAL_IsHighSpeed() && pDescriptors->pHsConfiguration) 00094 pDesc = (USBConfigurationDescriptor*)pDescriptors->pHsConfiguration; 00095 else 00096 pDesc = (USBConfigurationDescriptor*)pDescriptors->pFsConfiguration; 00097 HIDDKeyboard_ConfigureFunction((USBGenericDescriptor*)pDesc, 00098 pDesc->wTotalLength); 00099 } 00100 } 00101 00102 /** 00103 * Handles HID-specific SETUP request sent by the host. 00104 * \param request Pointer to a USBGenericRequest instance. 00105 */ 00106 void HIDDKeyboardDriver_RequestHandler(const USBGenericRequest *request) 00107 { 00108 USBDDriver *pUsbd = USBD_GetDriver(); 00109 00110 TRACE_INFO_WP("NewReq "); 00111 00112 /* Process HID requests */ 00113 if (USBRC_SUCCESS == HIDDKeyboard_RequestHandler(request)) { 00114 return; 00115 } 00116 /* Process STD requests */ 00117 else { 00118 USBDDriver_RequestHandler(pUsbd, request); 00119 } 00120 } 00121 00122 /**@}*/ 00123