/* ---------------------------------------------------------------------------- | |
* ATMEL Microcontroller Software Support | |
* ---------------------------------------------------------------------------- | |
* Copyright (c) 2008, Atmel Corporation | |
* | |
* All rights reserved. | |
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* 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. | |
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR | |
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*/ | |
/**\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); | |
} | |
/**@}*/ | |