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 /** \addtogroup usbd_composite_cdchid 00031 *@{ 00032 */ 00033 /*--------------------------------------------------------------------------- 00034 * Headers 00035 *---------------------------------------------------------------------------*/ 00036 00037 #include <USBLib_Trace.h> 00038 00039 #include <CDCHIDDDriver.h> 00040 #include <CDCDSerial.h> 00041 #include <HIDDKeyboard.h> 00042 00043 /*--------------------------------------------------------------------------- 00044 * Defines 00045 *---------------------------------------------------------------------------*/ 00046 00047 /*--------------------------------------------------------------------------- 00048 * Types 00049 *---------------------------------------------------------------------------*/ 00050 00051 /*--------------------------------------------------------------------------- 00052 * Internal variables 00053 *---------------------------------------------------------------------------*/ 00054 00055 /*--------------------------------------------------------------------------- 00056 * Internal functions 00057 *---------------------------------------------------------------------------*/ 00058 00059 /*--------------------------------------------------------------------------- 00060 * Exported functions 00061 *---------------------------------------------------------------------------*/ 00062 00063 /** 00064 * Initializes the USB device composite device driver. 00065 */ 00066 void CDCHIDDDriver_Initialize(const USBDDriverDescriptors *pDescriptors) 00067 { 00068 USBDDriver *pUsbd = USBD_GetDriver(); 00069 00070 /* Initialize the standard USB driver */ 00071 USBDDriver_Initialize(pUsbd, 00072 pDescriptors, 00073 0); 00074 00075 /* CDC */ 00076 CDCDSerial_Initialize(pUsbd, CDCHIDDDriverDescriptors_CDC_INTERFACE); 00077 /* HID */ 00078 HIDDKeyboard_Initialize(pUsbd, CDCHIDDDriverDescriptors_HID_INTERFACE); 00079 00080 /* Initialize the USB driver */ 00081 USBD_Init(); 00082 } 00083 00084 /** 00085 * Invoked whenever the configuration value of a device is changed by the host 00086 * \param cfgnum Configuration number. 00087 */ 00088 void CDCHIDDDriver_ConfigurationChangedHandler(uint8_t cfgnum) 00089 { 00090 USBDDriver *pUsbd = USBD_GetDriver(); 00091 USBConfigurationDescriptor *pDesc; 00092 00093 if (cfgnum > 0) { 00094 pDesc = USBDDriver_GetCfgDescriptors(pUsbd, cfgnum); 00095 /* CDC */ 00096 CDCDSerial_ConfigureFunction((USBGenericDescriptor *)pDesc, 00097 pDesc->wTotalLength); 00098 /* HID */ 00099 HIDDKeyboard_ConfigureFunction((USBGenericDescriptor *)pDesc, 00100 pDesc->wTotalLength); 00101 } 00102 } 00103 00104 /** 00105 * Handles composite-specific USB requests sent by the host, and forwards 00106 * standard ones to the USB device driver. 00107 * \param request Pointer to a USBGenericRequest instance. 00108 */ 00109 void CDCHIDDDriver_RequestHandler(const USBGenericRequest *request) 00110 { 00111 USBDDriver *pUsbd = USBD_GetDriver(); 00112 00113 TRACE_INFO_WP("NewReq "); 00114 00115 if (CDCDSerial_RequestHandler(request) == USBRC_SUCCESS) 00116 return; 00117 00118 if (HIDDKeyboard_RequestHandler(request) == USBRC_SUCCESS) 00119 return; 00120 00121 USBDDriver_RequestHandler(pUsbd, request); 00122 } 00123 00124 /** 00125 * Starts a remote wake-up sequence if the host has explicitely enabled it 00126 * by sending the appropriate SET_FEATURE request. 00127 */ 00128 void CDCHIDDDriver_RemoteWakeUp(void) 00129 { 00130 USBDDriver *pUsbd = USBD_GetDriver(); 00131 00132 /* Remote wake-up has been enabled */ 00133 if (USBDDriver_IsRemoteWakeUpEnabled(pUsbd)) 00134 00135 USBD_RemoteWakeUp(); 00136 } 00137 00138 /**@}*/