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 * Title: CDCDSerialDriver implementation 00032 * 00033 * About: Purpose 00034 * Implementation of the CDCDSerialDriver class methods. 00035 */ 00036 00037 /** \addtogroup usbd_cdc 00038 *@{ 00039 */ 00040 00041 /*------------------------------------------------------------------------------ 00042 * Headers 00043 *------------------------------------------------------------------------------*/ 00044 00045 #include "CDCDSerialDriver.h" 00046 00047 #include <USBLib_Trace.h> 00048 #include <USBDDriver.h> 00049 #include <USBD_HAL.h> 00050 00051 /*------------------------------------------------------------------------------ 00052 * Types 00053 *------------------------------------------------------------------------------*/ 00054 00055 /*------------------------------------------------------------------------------ 00056 * Internal variables 00057 *------------------------------------------------------------------------------*/ 00058 00059 /*------------------------------------------------------------------------------ 00060 * Internal functions 00061 *------------------------------------------------------------------------------*/ 00062 00063 /*------------------------------------------------------------------------------ 00064 * Exported functions 00065 *------------------------------------------------------------------------------*/ 00066 00067 /** 00068 * Initializes the USB Device CDC serial driver & USBD Driver. 00069 * \param pDescriptors Pointer to Descriptors list for CDC Serial Device. 00070 */ 00071 void CDCDSerialDriver_Initialize(const USBDDriverDescriptors *pDescriptors) 00072 { 00073 USBDDriver *pUsbd = USBD_GetDriver(); 00074 00075 /* Initialize the standard driver */ 00076 USBDDriver_Initialize(pUsbd, 00077 pDescriptors, 00078 0); /* Multiple settings for interfaces not supported */ 00079 00080 CDCDSerial_Initialize(pUsbd, CDCDSerialDriver_CC_INTERFACE); 00081 00082 /* Initialize the USB driver */ 00083 USBD_Init(); 00084 } 00085 00086 /** 00087 * Invoked whenever the active configuration of device is changed by the 00088 * host. 00089 * \param cfgnum Configuration number. 00090 */ 00091 void CDCDSerialDriver_ConfigurationChangedHandler(uint8_t cfgnum) 00092 { 00093 USBDDriver *pUsbd = USBD_GetDriver(); 00094 USBConfigurationDescriptor *pDesc; 00095 if (cfgnum) { 00096 pDesc = USBDDriver_GetCfgDescriptors(pUsbd, cfgnum); 00097 CDCDSerial_ConfigureFunction((USBGenericDescriptor *)pDesc, 00098 pDesc->wTotalLength); 00099 } 00100 } 00101 00102 /** 00103 * Handles CDC-specific SETUP requests. Should be called from a 00104 * re-implementation of USBDCallbacks_RequestReceived() method. 00105 * \param request Pointer to a USBGenericRequest instance. 00106 */ 00107 void CDCDSerialDriver_RequestHandler(const USBGenericRequest *request) 00108 { 00109 USBDDriver *pUsbd = USBD_GetDriver(); 00110 TRACE_INFO_WP("NewReq "); 00111 if (CDCDSerial_RequestHandler(request)) 00112 USBDDriver_RequestHandler(pUsbd, request); 00113 } 00114 00115 /**@}*/ 00116