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129 lines
4.5 KiB
C
129 lines
4.5 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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/** \addtogroup usbd_composite_cdcmsd
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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 <USBLib_Trace.h>
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#include <CDCMSDDriver.h>
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#include <CDCDSerial.h>
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#include <MSDFunction.h>
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/*---------------------------------------------------------------------------
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* Defines
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*---------------------------------------------------------------------------*/
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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 CDCMSD device driver.
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*/
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void CDCMSDDriver_Initialize(
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const USBDDriverDescriptors *pDescriptors,
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MSDLun *pLuns, unsigned char numLuns)
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{
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USBDDriver *pUsbd = USBD_GetDriver();
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/* Initialize the standard USB driver */
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USBDDriver_Initialize(pUsbd, pDescriptors, 0);
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/* CDC */
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CDCDSerial_Initialize(pUsbd, CDCMSDDriverDescriptors_CDC_INTERFACE);
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/* MSD */
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MSDFunction_Initialize(pUsbd, CDCMSDDriverDescriptors_MSD_INTERFACE,
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pLuns, numLuns);
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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 configuration value of a device is changed by the host
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* \param cfgnum Configuration number.
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*/
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void CDCMSDDriver_ConfigurationChangedHandler(unsigned char 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 > 0) {
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pDesc = USBDDriver_GetCfgDescriptors(pUsbd, cfgnum);
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/* CDC */
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CDCDSerial_ConfigureFunction((USBGenericDescriptor*)pDesc,
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pDesc->wTotalLength);
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/* MSD */
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MSDFunction_Configure((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 CDCMSD-specific USB requests sent by the host, and forwards
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* standard ones to the USB device driver.
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* \param request Pointer to a USBGenericRequest instance.
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*/
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void CDCMSDDriver_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) == USBRC_SUCCESS)
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return;
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if (MSDFunction_RequestHandler(request) == USBRC_SUCCESS)
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return;
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USBDDriver_RequestHandler(pUsbd, request);
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}
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/**@}*/
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