usbconfigparser.h

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//
// usbconfigparser.h
//
// USPi - An USB driver for Raspberry Pi written in C
// Copyright (C) 2014  R. Stange <rsta2@o2online.de>
// 
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
#ifndef _uspi_usbconfigparser_h
#define _uspi_usbconfigparser_h
 
#include "uspi/usb.h"
#include "uspi/types.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct TUSBConfigurationParser
{
    const TUSBDescriptor    *m_pBuffer;
    unsigned         m_nBufLen;
    boolean          m_bValid;
    const TUSBDescriptor    *m_pEndPosition;
    const TUSBDescriptor    *m_pNextPosition;
    const TUSBDescriptor    *m_pCurrentDescriptor;
    const TUSBDescriptor    *m_pErrorPosition;
}
TUSBConfigurationParser;
 
void USBConfigurationParser (TUSBConfigurationParser *pThis, const void *pBuffer, unsigned nBufLen);
void USBConfigurationParserCopy (TUSBConfigurationParser *pThis, TUSBConfigurationParser *pParser);
void _USBConfigurationParser (TUSBConfigurationParser *pThis);
 
boolean USBConfigurationParserIsValid (TUSBConfigurationParser *pThis);
 
const TUSBDescriptor *USBConfigurationParserGetDescriptor (TUSBConfigurationParser *pThis, u8 ucType);  // returns 0 if not found
 
const TUSBDescriptor *USBConfigurationParserGetCurrentDescriptor (TUSBConfigurationParser *pThis);
 
void USBConfigurationParserError (TUSBConfigurationParser *pThis, const char *pSource);
 
#ifdef __cplusplus
}
#endif
 
#endif