mirror of
https://github.com/ShaYmez/NXDNClients.git
synced 2024-11-03 06:31:16 -05:00
158 lines
3.9 KiB
C++
158 lines
3.9 KiB
C++
/*
|
|
* Copyright (C) 2010-2014,2016,2017,2018 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 "APRSWriter.h"
|
|
|
|
#include <cstdio>
|
|
#include <cassert>
|
|
#include <cstring>
|
|
#include <cmath>
|
|
|
|
CAPRSWriter::CAPRSWriter(const std::string& callsign, const std::string& suffix, const std::string& password, const std::string& address, unsigned int port) :
|
|
m_thread(NULL),
|
|
m_enabled(false),
|
|
m_idTimer(1000U, 20U * 60U), // 20 minutes
|
|
m_callsign(callsign),
|
|
m_txFrequency(0U),
|
|
m_rxFrequency(0U),
|
|
m_latitude(0.0F),
|
|
m_longitude(0.0F),
|
|
m_height(0),
|
|
m_desc()
|
|
{
|
|
assert(!callsign.empty());
|
|
assert(!password.empty());
|
|
assert(!address.empty());
|
|
assert(port > 0U);
|
|
|
|
if (!suffix.empty()) {
|
|
m_callsign.append("-");
|
|
m_callsign.append(suffix.substr(0U, 1U));
|
|
}
|
|
|
|
m_thread = new CAPRSWriterThread(m_callsign, password, address, port);
|
|
}
|
|
|
|
CAPRSWriter::~CAPRSWriter()
|
|
{
|
|
}
|
|
|
|
void CAPRSWriter::setInfo(unsigned int txFrequency, unsigned int rxFrequency, float latitude, float longitude, int height, const std::string& desc)
|
|
{
|
|
m_txFrequency = txFrequency;
|
|
m_rxFrequency = rxFrequency;
|
|
m_latitude = latitude;
|
|
m_longitude = longitude;
|
|
m_height = height;
|
|
m_desc = desc;
|
|
}
|
|
|
|
bool CAPRSWriter::open()
|
|
{
|
|
m_idTimer.start();
|
|
return m_thread->start();
|
|
}
|
|
|
|
void CAPRSWriter::write(const char* data)
|
|
{
|
|
assert(data != NULL);
|
|
|
|
m_thread->write(data);
|
|
}
|
|
|
|
void CAPRSWriter::clock(unsigned int ms)
|
|
{
|
|
m_idTimer.clock(ms);
|
|
|
|
if (m_idTimer.hasExpired()) {
|
|
sendIdFrames();
|
|
m_idTimer.start();
|
|
}
|
|
}
|
|
|
|
void CAPRSWriter::close()
|
|
{
|
|
m_thread->stop();
|
|
}
|
|
|
|
void CAPRSWriter::sendIdFrames()
|
|
{
|
|
if (!m_thread->isConnected())
|
|
return;
|
|
|
|
// Default values aren't passed on
|
|
if (m_latitude == 0.0F && m_longitude == 0.0F)
|
|
return;
|
|
|
|
char desc[200U];
|
|
if (m_txFrequency != 0U) {
|
|
float offset = float(int(m_rxFrequency) - int(m_txFrequency)) / 1000000.0F;
|
|
::sprintf(desc, "MMDVM Voice %.5LfMHz %c%.4lfMHz%s%s",
|
|
(long double)(m_txFrequency) / 1000000.0F,
|
|
offset < 0.0F ? '-' : '+',
|
|
::fabs(offset), m_desc.empty() ? "" : ", ", m_desc.c_str());
|
|
} else {
|
|
::sprintf(desc, "MMDVM Voice%s%s", m_desc.empty() ? "" : ", ", m_desc.c_str());
|
|
}
|
|
|
|
const char* band = "4m";
|
|
if (m_txFrequency >= 1200000000U)
|
|
band = "1.2";
|
|
else if (m_txFrequency >= 420000000U)
|
|
band = "440";
|
|
else if (m_txFrequency >= 144000000U)
|
|
band = "2m";
|
|
else if (m_txFrequency >= 50000000U)
|
|
band = "6m";
|
|
else if (m_txFrequency >= 28000000U)
|
|
band = "10m";
|
|
|
|
double tempLat = ::fabs(m_latitude);
|
|
double tempLong = ::fabs(m_longitude);
|
|
|
|
double latitude = ::floor(tempLat);
|
|
double longitude = ::floor(tempLong);
|
|
|
|
latitude = (tempLat - latitude) * 60.0 + latitude * 100.0;
|
|
longitude = (tempLong - longitude) * 60.0 + longitude * 100.0;
|
|
|
|
char lat[20U];
|
|
::sprintf(lat, "%07.2lf", latitude);
|
|
|
|
char lon[20U];
|
|
::sprintf(lon, "%08.2lf", longitude);
|
|
|
|
std::string server = m_callsign;
|
|
size_t pos = server.find_first_of('-');
|
|
if (pos == std::string::npos)
|
|
server.append("-S");
|
|
else
|
|
server.append("S");
|
|
|
|
char output[500U];
|
|
::sprintf(output, "%s>APDG04,TCPIP*,qAC,%s:!%s%cD%s%c&/A=%06.0f%s %s",
|
|
m_callsign.c_str(), server.c_str(),
|
|
lat, (m_latitude < 0.0F) ? 'S' : 'N',
|
|
lon, (m_longitude < 0.0F) ? 'W' : 'E',
|
|
float(m_height) * 3.28F, band, desc);
|
|
|
|
m_thread->write(output);
|
|
|
|
m_idTimer.start();
|
|
}
|