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/*-*-c++-*-
* $Id$
*
* This file is part of plptools.
*
* Copyright (C) 1999 Philip Proudman <philip.proudman@btinternet.com>
* Copyright (C) 1999-2001 Fritz Elfert <felfert@to.com>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef _packet_h
#define _packet_h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <pthread.h>
#include "bufferstore.h"
#include "bufferarray.h"
#define PKT_DEBUG_LOG 16
#define PKT_DEBUG_DUMP 32
#define PKT_DEBUG_HANDSHAKE 64
extern "C" {
static void *pump_run(void *);
}
class Link;
class packet
{
public:
packet(const char *fname, int baud, Link *_link, unsigned short verbose = 0);
~packet();
/**
* Send a buffer out to serial line
*/
void send(bufferStore &b);
void setEpoc(bool);
void setVerbose(short int);
short int getVerbose();
int getSpeed();
bool linkFailed();
void reset();
private:
friend void * pump_run(void *);
inline void addToCrc(unsigned char a, unsigned short *crc) {
*crc = (*crc << 8) ^ crc_table[((*crc >> 8) ^ a) & 0xff];
}
void findSync();
void opByte(unsigned char a);
void opCByte(unsigned char a, unsigned short *crc);
void realWrite();
void internalReset();
Link *theLINK;
pthread_t datapump;
pthread_t thisThread;
unsigned int crc_table[256];
unsigned short crcOut;
unsigned short crcIn;
unsigned short receivedCRC;
unsigned short inCRCstate;
unsigned char *inBuffer;
int inWrite;
int inRead;
unsigned char *outBuffer;
int outWrite;
int outRead;
int startPkt;
int lastSYN;
bufferArray inQueue;
bufferStore rcv;
int foundSync;
int fd;
int serialStatus;
int baud_index;
int realBaud;
short int verbose;
bool esc;
bool lastFatal;
bool isEPOC;
bool justStarted;
char *devname;
int baud;
};
#endif
/*
* Local variables:
* c-basic-offset: 4
* End:
*/
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