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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "canbusutil.h"
#include "sigtermhandler.h"
#include <QCommandLineParser>
#include <QCoreApplication>
#include <QTextStream>
#include <signal.h>
int main(int argc, char *argv[])
{
QCoreApplication app(argc, argv);
QCoreApplication::setApplicationName(QStringLiteral("canbusutil"));
QCoreApplication::setApplicationVersion(QStringLiteral(QT_VERSION_STR));
std::unique_ptr<SigTermHandler> s(SigTermHandler::instance());
if (signal(SIGINT, SigTermHandler::handle) == SIG_ERR)
return -1;
QObject::connect(s.get(), &SigTermHandler::sigTermSignal, &app, &QCoreApplication::quit);
QTextStream output(stdout);
CanBusUtil util(output, app);
QCommandLineParser parser;
parser.setApplicationDescription(CanBusUtil::tr(
"Sends arbitrary CAN bus frames.\n"
"If the -l option is set, all received CAN bus frames are dumped."));
parser.addHelpOption();
parser.addVersionOption();
parser.addPositionalArgument(QStringLiteral("plugin"),
CanBusUtil::tr("Plugin name to use. See --list-plugins."));
parser.addPositionalArgument(QStringLiteral("device"),
CanBusUtil::tr("Device to use."));
parser.addPositionalArgument(QStringLiteral("data"),
CanBusUtil::tr(
"Data to send if -l is not specified. Format:\n"
"\t\t<id>#{payload} (CAN 2.0 data frames),\n"
"\t\t<id>#Rxx (CAN 2.0 RTR frames with xx bytes data length),\n"
"\t\t<id>##[flags]{payload} (CAN FD data frames),\n"
"where {payload} has 0..8 (0..64 CAN FD) ASCII hex-value pairs, "
"and flags is one optional ASCII hex char for CAN FD flags: "
"1 = Bitrate Switch, 2 = Error State Indicator\n"
"e.g. 1#1a2b3c\n"), QStringLiteral("[data]"));
const QCommandLineOption listeningOption({"l", "listen"},
CanBusUtil::tr("Start listening CAN data on device."));
parser.addOption(listeningOption);
const QCommandLineOption listOption({"L", "list-plugins"},
CanBusUtil::tr("List all available plugins."));
parser.addOption(listOption);
const QCommandLineOption showTimeStampOption({"t", "timestamp"},
CanBusUtil::tr("Show timestamp for each received CAN bus frame."));
parser.addOption(showTimeStampOption);
const QCommandLineOption showFlagsOption({"i", "info"},
CanBusUtil::tr("Show flags bitrate switch, error indicator, and local echo"
" for each received CAN bus frame."));
parser.addOption(showFlagsOption);
const QCommandLineOption listDevicesOption({"d", "devices"},
CanBusUtil::tr("Show available CAN bus devices for the given plugin."));
parser.addOption(listDevicesOption);
const QCommandLineOption canFdOption({"f", "can-fd"},
CanBusUtil::tr("Enable CAN FD functionality when listening."));
parser.addOption(canFdOption);
const QCommandLineOption loopbackOption({"c", "local-loopback"},
CanBusUtil::tr("Transmits all sent frames to other local applications."));
parser.addOption(loopbackOption);
const QCommandLineOption receiveOwnOption({"o", "receive-own"},
CanBusUtil::tr("Receive each sent frame on successful transmission."));
parser.addOption(receiveOwnOption);
const QCommandLineOption bitrateOption({"b", "bitrate"},
CanBusUtil::tr("Set the CAN bus bitrate to the given value."),
QStringLiteral("bitrate"));
parser.addOption(bitrateOption);
const QCommandLineOption dataBitrateOption({"a", "data-bitrate"},
CanBusUtil::tr("Set the CAN FD data bitrate to the given value."),
QStringLiteral("bitrate"));
parser.addOption(dataBitrateOption);
parser.process(app);
if (parser.isSet(listOption))
return util.printPlugins();
QString data;
const QStringList args = parser.positionalArguments();
if (parser.isSet(canFdOption))
util.setConfigurationParameter(QCanBusDevice::CanFdKey, true);
if (parser.isSet(loopbackOption))
util.setConfigurationParameter(QCanBusDevice::LoopbackKey, true);
if (parser.isSet(receiveOwnOption))
util.setConfigurationParameter(QCanBusDevice::ReceiveOwnKey, true);
if (!parser.value(bitrateOption).isEmpty()) {
util.setConfigurationParameter(QCanBusDevice::BitRateKey,
parser.value(bitrateOption).toInt());
}
if (!parser.value(dataBitrateOption).isEmpty()) {
util.setConfigurationParameter(QCanBusDevice::DataBitRateKey,
parser.value(dataBitrateOption).toInt());
}
if (parser.isSet(listeningOption)) {
util.setShowTimeStamp(parser.isSet(showTimeStampOption));
util.setShowFlags(parser.isSet(showFlagsOption));
} else if (args.size() == 3) {
data = args.at(2);
} else if (args.size() == 1 && parser.isSet(listDevicesOption)) {
return util.printDevices(args.at(0));
}
if (args.size() < 2 || args.size() > 3) {
output << CanBusUtil::tr("Invalid number of arguments (%1 given).").arg(args.size());
output << Qt::endl << Qt::endl << parser.helpText();
return 1;
}
if (!util.start(args.at(0), args.at(1), data))
return -1;
return app.exec();
}
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