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//=========================================================================//
// //
// PonyProg - Serial Device Programmer //
// //
// Copyright (C) 1997-2021 Claudio Lanconelli //
// //
// http://ponyprog.sourceforge.net //
// //
//-------------------------------------------------------------------------//
// //
// 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 version2 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 (see LICENSE); if not, write to the //
// Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. //
// //
//=========================================================================//
#include "types.h"
#include "errcode.h"
#include "e2profil.h"
#include <QDebug>
#include <QtCore>
#ifdef Q_OS_WIN32
#include <windows.h>
#endif
#ifdef Q_OS_LINUX
//If you use latest kernel (2.4.xx) you should use standard ppdev.o module and include ppdev.h
//otherwise install the ppuser module, and include the file ppuser.h
#define USE_K2_4_PPDEV 1
#include <termios.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#if USE_K2_4_PPDEV == 1
# include "linux/ppdev.h"
#define PARPORTDEVNAME "/dev/parport%d"
//N.B. be sure to issue a "chmod 666 /dev/parport?"
#else
# include "ppuser.h"
#define PARPORTDEVNAME "/dev/ppuser%d0"
//N.B. be sure to issue a "chmod 666 /dev/ppuser?"
#endif
#endif
#include "globals.h"
#include "lptinterf.h"
#define MAX_LPTPORTS 3
LPTInterface::LPTInterface()
{
qDebug() << "LPTInterface::LPTInterface()";
last_ctrl = last_data = 0;
lpt_control.LPPort = -1; //no used port
#ifdef Q_OS_LINUX
hLpt = INVALID_HANDLE_VALUE;
#endif
}
LPTInterface::~LPTInterface()
{
qDebug() << "LPTInterface::~LPTInterface()";
Close();
}
void LPTInterface::Close()
{
#ifdef Q_OS_LINUX
qDebug() << "LPTInterface::Close() I ** hLpt = " << hLpt;
if (hLpt != INVALID_HANDLE_VALUE)
{
ioctl(hLpt, PPRELEASE, 0);
close(hLpt);
hLpt = INVALID_HANDLE_VALUE;
lpt_control.LPPort = 0;
}
qDebug() << "LPTInterface::Close() O ** hLpt = " << hLpt;
#endif
}
void LPTInterface::SetPort(int port_no)
{
qDebug() << "LPTInterface::SetPort(" << port_no << ")";
if (port_no >= 0 && port_no < MAX_LPTPORTS)
{
lpt_control.LPPort = port_no;
#ifdef Q_OS_LINUX
if (hLpt != INVALID_HANDLE_VALUE)
{
ioctl(hLpt, PPRELEASE, 0);
close(hLpt);
}
QString name = E2Profile::GetLPTDevName() + QString::number(lpt_control.LPPort);
//sprintf(name, PARPORTDEVNAME, lpt_control.LPPort - 1);
hLpt = open(name.toLatin1().constData(), O_RDWR);
if (hLpt != INVALID_HANDLE_VALUE)
{
if (ioctl(hLpt, PPCLAIM, 0))
{
close(hLpt);
hLpt = INVALID_HANDLE_VALUE;
}
}
qDebug() << "LPTInterface::SetPort() ** hLpt = " << hLpt;
#endif
}
}
// Bit Bit
// 0 - Unused 4 - Pin 13
// 1 - Unused 5 - Pin 12
// 2 - Unused 6 - Pin 10
// 3 - Pin 15 7 - Pin 11 (Inverted)
//
/////////////////////////////////////////////////////////////////
int LPTInterface::InDataPort(int port_no)
{
qDebug() << "LPTInterface::InDataPort(" << port_no << ") ** lp=" << lpt_control.LPPort;
int ret_val = E2ERR_NOTINSTALLED;
#ifdef Q_OS_LINUX
if (port_no >= 0 && port_no < MAX_LPTPORTS
&& port_no != lpt_control.LPPort)
{
lpt_control.LPPort = port_no;
if (hLpt != INVALID_HANDLE_VALUE)
{
ioctl(hLpt, PPRELEASE, 0);
close(hLpt);
}
QString name = E2Profile::GetLPTDevName() + QString::number(lpt_control.LPPort);
qDebug() << "Open " << name;
//sprintf(name, PARPORTDEVNAME, lpt_control.LPPort - 1);
hLpt = open(name.toLatin1().constData(), O_RDWR);
if (hLpt != INVALID_HANDLE_VALUE)
{
if (ioctl(hLpt, PPCLAIM, 0))
{
close(hLpt);
hLpt = INVALID_HANDLE_VALUE;
}
}
qDebug() << "LPTInterface::InDataPort() ** hLpt=" << hLpt << ", " << name;
}
if (hLpt != INVALID_HANDLE_VALUE)
{
if (ioctl(hLpt, PPRSTATUS, &lpt_control.LPByte))
{
ret_val = E2ERR_ACCESSDENIED;
}
else
{
ret_val = lpt_control.LPByte;
}
}
#endif
qDebug() << "LPTInterface::InDataPort() = " << ret_val << " (" << lpt_control.LPByte << ")";
return ret_val;
}
//
// Bit Bit
// 0 - Pin 2 4 - Pin 6
// 1 - Pin 3 5 - Pin 7
// 2 - Pin 4 6 - Pin 8
// 3 - Pin 5 7 - Pin 9
//
/////////////////////////////////////////////////////////////////
int LPTInterface::OutDataPort(int val, int port_no)
{
qDebug() << "LPTInterface::OutDataPort(" << val << ", " << port_no << ")";
int ret_val = E2ERR_NOTINSTALLED;
#ifdef Q_OS_LINUX
if (port_no >= 0 && port_no < MAX_LPTPORTS
&& port_no != lpt_control.LPPort)
{
lpt_control.LPPort = port_no;
if (hLpt != INVALID_HANDLE_VALUE)
{
ioctl(hLpt, PPRELEASE, 0);
close(hLpt);
}
QString name = E2Profile::GetLPTDevName() + QString::number(lpt_control.LPPort);
//sprintf(name, PARPORTDEVNAME, lpt_control.LPPort - 1);
hLpt = open(name.toLatin1().constData(), O_RDWR);
if (hLpt != INVALID_HANDLE_VALUE)
{
if (ioctl(hLpt, PPCLAIM, 0))
{
close(hLpt);
hLpt = INVALID_HANDLE_VALUE;
}
}
}
if (hLpt != INVALID_HANDLE_VALUE)
{
lpt_control.LPByte = last_data = (uint8_t)val;
if (ioctl(hLpt, PPWDATA, &lpt_control.LPByte))
{
ret_val = E2ERR_ACCESSDENIED;
}
else
{
ret_val = OK;
}
}
#endif
qDebug() << "LPTInterface::OutDataPort() = " << ret_val;
return ret_val;
}
//
// Bit
// 0 - Pin 1
// 1 - Pin 14
// 2 - Pin 16
// 3 - Pin 17 NOTE: Bits 5-7 are not used.
//
/////////////////////////////////////////////////////////////////
int LPTInterface::OutControlPort(int val, int port_no)
{
qDebug() << "LPTInterface::OutControlPort(" << val << ", " << port_no << ")";
int ret_val = E2ERR_NOTINSTALLED;
#ifdef Q_OS_LINUX
if (port_no >= 0 && port_no < MAX_LPTPORTS
&& port_no != lpt_control.LPPort)
{
lpt_control.LPPort = port_no;
if (hLpt != INVALID_HANDLE_VALUE)
{
ioctl(hLpt, PPRELEASE, 0);
close(hLpt);
}
QString name = E2Profile::GetLPTDevName() + QString::number(lpt_control.LPPort);
//sprintf(name, PARPORTDEVNAME, lpt_control.LPPort - 1);
hLpt = open(name.toLatin1().constData(), O_RDWR);
if (hLpt != INVALID_HANDLE_VALUE)
{
if (ioctl(hLpt, PPCLAIM, 0))
{
close(hLpt);
hLpt = INVALID_HANDLE_VALUE;
}
}
}
if (hLpt != INVALID_HANDLE_VALUE)
{
lpt_control.LPByte = last_ctrl = (uint8_t)val & 0x0F;
if (ioctl(hLpt, PPWCONTROL, &lpt_control.LPByte))
{
ret_val = E2ERR_ACCESSDENIED;
}
else
{
ret_val = OK;
}
}
#endif
qDebug() << "LPTInterface::OutControlPort() = " << ret_val;
return ret_val;
}
int LPTInterface::OutDataMask(int mask, int val)
{
int ret_val = E2ERR_NOTINSTALLED;
#ifdef Q_OS_LINUX
if (hLpt != INVALID_HANDLE_VALUE)
{
if (val == 0)
{
last_data &= ~mask;
}
else if (val == 1)
{
last_data |= mask;
}
else
{
last_data ^= mask;
}
ret_val = OutDataPort(last_data);
}
#endif
return ret_val;
}
int LPTInterface::OutControlMask(int mask, int val)
{
int ret_val = E2ERR_NOTINSTALLED;
#ifdef Q_OS_LINUX
if (hLpt != INVALID_HANDLE_VALUE)
{
if (val == 0)
{
last_ctrl &= ~mask;
}
else if (val == 1)
{
last_ctrl |= mask;
}
else
{
last_ctrl ^= mask;
}
ret_val = OutControlPort(last_ctrl);
}
#endif
return ret_val;
}
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