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 * 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 00096 if (cfgnum) { 00097 pDesc = USBDDriver_GetCfgDescriptors(pUsbd, cfgnum); 00098 CDCDSerial_ConfigureFunction((USBGenericDescriptor *)pDesc, 00099 pDesc->wTotalLength); 00100 } 00101 } 00102 00103 /** 00104 * Handles CDC-specific SETUP requests. Should be called from a 00105 * re-implementation of USBDCallbacks_RequestReceived() method. 00106 * \param request Pointer to a USBGenericRequest instance. 00107 */ 00108 void CDCDSerialDriver_RequestHandler(const USBGenericRequest *request) 00109 { 00110 USBDDriver *pUsbd = USBD_GetDriver(); 00111 TRACE_INFO_WP("NewReq "); 00112 00113 if (CDCDSerial_RequestHandler(request)) 00114 USBDDriver_RequestHandler(pUsbd, request); 00115 } 00116 00117 /**@}*/ 00118