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117 lines
4.2 KiB
C
117 lines
4.2 KiB
C
/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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/**\file
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* Title: CDCDSerialDriver implementation
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*
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* About: Purpose
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* Implementation of the CDCDSerialDriver class methods.
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*/
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/** \addtogroup usbd_cdc
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*@{
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*/
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/*------------------------------------------------------------------------------
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* Headers
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*------------------------------------------------------------------------------*/
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#include "CDCDSerialDriver.h"
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#include <USBLib_Trace.h>
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#include <USBDDriver.h>
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#include <USBD_HAL.h>
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/*------------------------------------------------------------------------------
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* Types
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*------------------------------------------------------------------------------*/
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/*------------------------------------------------------------------------------
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* Internal variables
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*------------------------------------------------------------------------------*/
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/*------------------------------------------------------------------------------
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* Internal functions
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*------------------------------------------------------------------------------*/
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/*------------------------------------------------------------------------------
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* Exported functions
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*------------------------------------------------------------------------------*/
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/**
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* Initializes the USB Device CDC serial driver & USBD Driver.
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* \param pDescriptors Pointer to Descriptors list for CDC Serial Device.
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*/
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void CDCDSerialDriver_Initialize(const USBDDriverDescriptors *pDescriptors)
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{
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USBDDriver *pUsbd = USBD_GetDriver();
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/* Initialize the standard driver */
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USBDDriver_Initialize(pUsbd,
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pDescriptors,
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0); /* Multiple settings for interfaces not supported */
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CDCDSerial_Initialize(pUsbd, CDCDSerialDriver_CC_INTERFACE);
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/* Initialize the USB driver */
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USBD_Init();
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}
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/**
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* Invoked whenever the active configuration of device is changed by the
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* host.
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* \param cfgnum Configuration number.
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*/
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void CDCDSerialDriver_ConfigurationChangedHandler(uint8_t cfgnum)
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{
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USBDDriver *pUsbd = USBD_GetDriver();
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USBConfigurationDescriptor *pDesc;
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if (cfgnum) {
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pDesc = USBDDriver_GetCfgDescriptors(pUsbd, cfgnum);
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CDCDSerial_ConfigureFunction((USBGenericDescriptor *)pDesc,
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pDesc->wTotalLength);
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}
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}
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/**
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* Handles CDC-specific SETUP requests. Should be called from a
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* re-implementation of USBDCallbacks_RequestReceived() method.
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* \param request Pointer to a USBGenericRequest instance.
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*/
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void CDCDSerialDriver_RequestHandler(const USBGenericRequest *request)
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{
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USBDDriver *pUsbd = USBD_GetDriver();
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TRACE_INFO_WP("NewReq ");
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if (CDCDSerial_RequestHandler(request))
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USBDDriver_RequestHandler(pUsbd, request);
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}
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/**@}*/
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