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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 "psp_serial.h"
#include "common/global/global.h"
#include "common/common/misc.h"
#include "common/common/number.h"
//-----------------------------------------------------------------------------
Psp::SerialPort::SerialPort(const TQString &device, Log::Base &log)
: Port::Serial(device, NeedFlush, log)
{}
bool Psp::SerialPort::open()
{
if ( !Port::Serial::open() ) return false;
return setMode(NoInputFlag, ByteSize8 | IgnoreControlLines | EnableReceiver, S19200, 100);
}
bool Psp::SerialPort::reset()
{
if ( !setHardwareFlowControl(false) ) return false;
// reset
setPinOn(DTR, false, Port::PositiveLogic);
Port::msleep(250);
// remove reset
setPinOn(DTR, true, Port::PositiveLogic);
for (uint i=0; i<=100; i++) {
bool bit;
if ( !readPin(CTS, Port::PositiveLogic, bit) ) return false;
if ( bit ) break;
if ( i==100 ) {
log(Log::LineType::Error, i18n("Could not contact Picstart+"));
return false;
}
Port::msleep(1);
}
if ( !setHardwareFlowControl(true) ) return false;
return flush(0);
}
bool Psp::SerialPort::command(uchar c, uint nbBytes, TQMemArray<uchar> &a)
{
log(Log::DebugLevel::Extra, TQString("Command %1").tqarg(toHexLabel(c, 2)));
if ( !sendChar(c) ) return false;
return receive(nbBytes, a);
}
bool Psp::SerialPort::checkAck(uchar ec, uchar rc)
{
if ( ec==rc ) return true;
log(Log::LineType::Error, i18n("Incorrect ack: expecting %1, received %2")
.tqarg(TQString(toHex(ec, 2))).tqarg(TQString(toHex(rc, 2))));
return false;
}
bool Psp::SerialPort::checkEnd(uchar c)
{
if ( c==0 ) return true;
log(Log::LineType::Error, i18n("Incorrect received data end: expecting 00, received %1")
.tqarg(TQString(toHex(c, 2))));
return false;
}
bool Psp::SerialPort::commandAck(uchar c, uint nbBytes, TQMemArray<uchar> *a)
{
Q_ASSERT( nbBytes>=1 );
TQMemArray<uchar> tmp;
if ( !command(c, nbBytes, tmp) ) return false;
if ( !checkAck(c, tmp[0]) ) return false;
if (a) *a = tmp;
return true;
}
bool Psp::SerialPort::receiveEnd()
{
TQMemArray<uchar> a;
if ( !receive(1, a) ) return false;
if ( !checkEnd(a[0]) ) return false;
return true;
}
bool Psp::SerialPort::commandAckEnd(uchar c, uint nbBytes, TQMemArray<uchar> &a)
{
Q_ASSERT( nbBytes>=2 );
if ( !command(c, nbBytes, a) ) return false;
if ( !checkAck(c, a[0]) ) return false;
if ( !checkEnd(a[nbBytes-1]) ) return false;
return true;
}
bool Psp::SerialPort::sendData(uint value, uint nbBytes)
{
Q_ASSERT( nbBytes==1 || nbBytes==2 );
Q_ASSERT( value<uint(1 << 8*nbBytes) );
TQMemArray<uchar> a(nbBytes);
if ( nbBytes==2 ) {
a[0] = value / 256;
a[1] = value & 0xFF;
} else a[0] = value;
if ( !send(a) ) return false;
return receive(nbBytes, a);
}
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