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