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 * \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 00098 HIDDKeyboard_ConfigureFunction((USBGenericDescriptor *)pDesc, 00099 pDesc->wTotalLength); 00100 } 00101 } 00102 00103 /** 00104 * Handles HID-specific SETUP request sent by the host. 00105 * \param request Pointer to a USBGenericRequest instance. 00106 */ 00107 void HIDDKeyboardDriver_RequestHandler(const USBGenericRequest *request) 00108 { 00109 USBDDriver *pUsbd = USBD_GetDriver(); 00110 00111 TRACE_INFO_WP("NewReq "); 00112 00113 /* Process HID requests */ 00114 if (USBRC_SUCCESS == HIDDKeyboard_RequestHandler(request)) 00115 return; 00116 /* Process STD requests */ 00117 else 00118 USBDDriver_RequestHandler(pUsbd, request); 00119 } 00120 00121 /**@}*/ 00122