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/***************************************************************************
* Copyright (C) 2006 Nicolas Hadacek <hadacek@kde.org> *
* Copyright (C) 2002-2003 Stephen Landamore <stephen@landamore.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. *
***************************************************************************/
#include "icd1_serial.h"
#include <tqdatetime.h>
#include "common/global/global.h"
#include "common/common/misc.h"
#include "common/common/number.h"
//-----------------------------------------------------------------------------
Icd1::SerialPort::SerialPort(const TQString &device, Log::Base &log)
: Port::Serial(device, NeedDrain | NeedFlush, log)
{}
bool Icd1::SerialPort::open()
{
if ( !Port::Serial::open() ) return false;
return setMode(NoInputFlag, ByteSize8 | IgnoreControlLines | EnableReceiver, S57600, 0);
}
bool Icd1::SerialPort::reset()
{
// reset
setPinOn(RTS, false, Port::PositiveLogic);
setPinOn(DTR, false, Port::PositiveLogic);
Port::msleep(10);
// remove reset
setPinOn(RTS, true, Port::PositiveLogic);
setPinOn(DTR, true, Port::PositiveLogic);
Port::msleep(10);
return true;
}
bool Icd1::SerialPort::synchronize()
{
if ( !setPinOn(RTS, false, Port::PositiveLogic) ) return false;
TQTime time;
time.start();
for (;;) {
bool bit;
if ( !readPin(CTS, Port::PositiveLogic, bit) ) return false;
if ( !bit) break;
if ( uint(time.elapsed())>3000 ) { // 3 seconds
log(Log::LineType::Error, i18n("Timeout synchronizing."));
return false;
}
}
return setPinOn(RTS, true, Port::PositiveLogic);
}
bool Icd1::SerialPort::sendCommand(uint cmd)
{
Q_ASSERT( cmd<=0xFFFF );
synchronize();
char c[7] = "$XXXX\r";
TQString cs = toHex(cmd, 4);
log(Log::DebugLevel::Extra, TQString("Send command: %1").arg(toPrintable(cs, PrintAlphaNum)));
c[1] = cs[0].latin1();
c[2] = cs[1].latin1();
c[3] = cs[2].latin1();
c[4] = cs[3].latin1();
return send(c, 7);
}
bool Icd1::SerialPort::receiveByte(char &byte, bool synchronizeBefore, uint timeout)
{
if ( synchronizeBefore && !synchronize() ) return false;
return receiveChar(byte, timeout);
}
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