Display.cpp

/*
 *   Copyright (C) 2016,2017,2018,2020,2021,2023 by Jonathan Naylor G4KLX
 *
 *   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.
 *
 *   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.
 */

#include "Display.h"
#include "Defines.h"
#include "SerialController.h"
#include "NetDisplay.h"
#include "NullDisplay.h"
#include "Conf.h"
#include "Modem.h"
#include "Log.h"

#include <cstdio>
#include <cassert>
#include <cstring>

CDisplay::CDisplay() :
m_timer1(3000U, 3U),
m_timer2(3000U, 3U),
m_mode1(MODE_IDLE),
m_mode2(MODE_IDLE)
{
}

CDisplay::~CDisplay()
{
}

void CDisplay::setIdle()
{
	m_timer1.stop();
	m_timer2.stop();

	m_mode1 = MODE_IDLE;
	m_mode2 = MODE_IDLE;

	setIdleInt();
}

void CDisplay::setError(const char* text)
{
	assert(text != NULL);

	m_timer1.stop();
	m_timer2.stop();

	m_mode1 = MODE_IDLE;
	m_mode2 = MODE_IDLE;

	setErrorInt(text);
}

void CDisplay::setQuit()
{
	m_timer1.stop();
	m_timer2.stop();

	m_mode1 = MODE_QUIT;
	m_mode2 = MODE_QUIT;

	setQuitInt();
}

void CDisplay::writeDMR(unsigned int slotNo, const std::string& src, bool group, const std::string& dst, const char* type)
{
	assert(type != NULL);

	if (slotNo == 1U) {
		m_timer1.start();
		m_mode1 = MODE_IDLE;
	} else {
		m_timer2.start();
		m_mode2 = MODE_IDLE;
	}
	writeDMRInt(slotNo, src, group, dst, type);
}

void CDisplay::writeDMRRSSI(unsigned int slotNo, unsigned char rssi)
{
	if (rssi != 0U)
		writeDMRRSSIInt(slotNo, rssi);
}

void CDisplay::writeDMRTA(unsigned int slotNo, const unsigned char* talkerAlias, const char* type)
{
	if (::strcmp(type, " ") == 0) {
		writeDMRTAInt(slotNo, (unsigned char*)"", type);
		return;
	}

	if (::strlen((char*)talkerAlias) >= 4U)
		writeDMRTAInt(slotNo, (unsigned char*)talkerAlias, type);
}

void CDisplay::writeDMRBER(unsigned int slotNo, float ber)
{
	writeDMRBERInt(slotNo, ber);
}

void CDisplay::clearDMR(unsigned int slotNo)
{
	if (slotNo == 1U) {
		if (m_timer1.hasExpired()) {
			clearDMRInt(slotNo);
			m_timer1.stop();
			m_mode1 = MODE_IDLE;
		} else {
			m_mode1 = MODE_DMR;
		}
	} else {
		if (m_timer2.hasExpired()) {
			clearDMRInt(slotNo);
			m_timer2.stop();
			m_mode2 = MODE_IDLE;
		} else {
			m_mode2 = MODE_DMR;
		}
	}
}

void CDisplay::writePOCSAG(uint32_t ric, const std::string& message)
{
	m_timer1.start();
	m_mode1 = MODE_POCSAG;

	writePOCSAGInt(ric, message);
}

void CDisplay::clearPOCSAG()
{
	if (m_timer1.hasExpired()) {
		clearPOCSAGInt();
		m_timer1.stop();
		m_mode1 = MODE_IDLE;
	} else {
		m_mode1 = MODE_POCSAG;
	}
}

void CDisplay::writeCW()
{
	m_timer1.start();
	m_mode1 = MODE_CW;

	writeCWInt();
}

void CDisplay::clock(unsigned int ms)
{
	m_timer1.clock(ms);
	if (m_timer1.isRunning() && m_timer1.hasExpired()) {
		switch (m_mode1) {
		case MODE_DMR:
			clearDMRInt(1U);
			m_mode1 = MODE_IDLE;
			m_timer1.stop();
			break;
		case MODE_POCSAG:
			clearPOCSAGInt();
			m_mode1 = MODE_IDLE;
			m_timer1.stop();
			break;
		case MODE_CW:
			clearCWInt();
			m_mode1 = MODE_IDLE;
			m_timer1.stop();
			break;
		default:
			break;
		}
	}

	// Timer/mode 2 are only used for DMR
	m_timer2.clock(ms);
	if (m_timer2.isRunning() && m_timer2.hasExpired()) {
		if (m_mode2 == MODE_DMR) {
			clearDMRInt(2U);
			m_mode2 = MODE_IDLE;
			m_timer2.stop();
		}
	}

	clockInt(ms);
}

void CDisplay::clockInt(unsigned int ms)
{
}

void CDisplay::writeDMRRSSIInt(unsigned int slotNo, unsigned char rssi)
{
}

void CDisplay::writeDMRTAInt(unsigned int slotNo, const unsigned char* talkerAlias, const char* type)
{
}

void CDisplay::writeDMRBERInt(unsigned int slotNo, float ber)
{
}

/* Factory method extracted from MMDVMHost.cpp - BG5HHP */
CDisplay* CDisplay::createDisplay(const CConf& conf, CModem* modem)
{
        CDisplay *display = NULL;

	bool enabled       = conf.getDisplayEnabled();

	if (enabled) {
	        std::string address = conf.getDisplayAddress();
	        unsigned short port = conf.getDisplayPort();

		LogInfo("Display Parameters");
		LogInfo("    Address: %s", address.c_str());
		LogInfo("    Port: %hu", port);

		display = new CNetDisplay(address, port);
	} else {
		display = new CNullDisplay;
	}

	bool ret = display->open();
	if (!ret) {
		delete display;
		display = new CNullDisplay;
	}

	return display;
}