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2017-05-03 Fred Gleason <fredg@paravelsystems.com>

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* Added an 'RDMatrix::Modbus' element to the 'RDMatrix::Type enum.
	* Implemented a Modbus TCP switcher driver in 'ripcd/modbus.cpp' and
	'ripcd/modbus.h'.
This commit is contained in:
Fred Gleason
2017-05-03 12:32:48 -04:00
parent 564414cbe3
commit a512972043
8 changed files with 359 additions and 5 deletions
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72
ripcd/modbus.h Normal file
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// modbus.h
//
// A Rivendell switcher driver for Modbus TCP
//
// (C) Copyright 2017 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 <vector>
#include <qsocket.h>
#include <qtimer.h>
#include <rd.h>
#include <rdmatrix.h>
#include <rdmacro.h>
#include <switcher.h>
#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(int err);
void watchdogData();
private:
void ProcessInputByte(char byte,int base);
void PollInputs();
int modbus_istate;
int modbus_input_bytes;
std::vector<char> modbus_input_states;
QSocket *modbus_socket;
QTimer *modbus_watchdog_timer;
bool modbus_watchdog_active;
QHostAddress modbus_ip_address;
uint16_t modbus_ip_port;
int modbus_gpis;
int modbus_gpos;
};
#endif // MODBUS_H