Fred Gleason b5ad09d92c 2020-02-17 Fred Gleason <fredg@paravelsystems.com>
* Removed Q3Socket dependency from the Modbus switcher
	driver.
2020-02-17 09:38:45 -05:00

86 lines
2.2 KiB
C++

// modbus.h
//
// A Rivendell switcher driver for Modbus TCP
//
// (C) Copyright 2017-2020 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#ifndef MODBUS_H
#define MODBUS_H
#include <queue>
#include <vector>
#include <qsignalmapper.h>
#include <qtcpsocket.h>
#include <qtimer.h>
#include <rd.h>
#include <rdmatrix.h>
#include <rdmacro.h>
#include <switcher.h>
#define MODBUS_POLL_INTERVAL 100
#define MODBUS_WATCHDOG_INTERVAL 1000
class Modbus : public Switcher
{
Q_OBJECT
public:
Modbus(RDMatrix *matrix,QObject *parent=0);
~Modbus();
RDMatrix::Type type();
unsigned gpiQuantity();
unsigned gpoQuantity();
bool primaryTtyActive();
bool secondaryTtyActive();
void processCommand(RDMacro *cmd);
private slots:
void connectedData();
void readyReadData();
void errorData(QAbstractSocket::SocketError err);
void pollInputs();
void resetStateData(int line);
void watchdogData();
private:
void ProcessInputByte(char byte,int base);
void SetCoil(int line,bool state);
bool InputState(int line) const;
int modbus_istate;
int modbus_input_bytes;
std::vector<char> modbus_input_states;
QTcpSocket *modbus_socket;
QTimer *modbus_poll_timer;
QTimer *modbus_watchdog_timer;
bool modbus_watchdog_active;
QHostAddress modbus_ip_address;
uint16_t modbus_ip_port;
int modbus_gpis;
int modbus_gpos;
std::queue<int> modbus_coil_lines;
std::queue<bool> modbus_coil_states;
bool modbus_busy;
QSignalMapper *modbus_reset_mapper;
std::vector<QTimer *> modbus_reset_timers;
std::vector<bool> modbus_reset_states;
};
#endif // MODBUS_H