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Add README for nymea-modbus-cli

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Simon Stürz 2022-07-22 14:07:53 +02:00
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nymea-modbus-cli/README.md Normal file
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# nymea-modbus-cli
The nymea-modbus-cli tools is a command line tool for tsting modbus TCP communication in the local network.
As of now, the tool allows to establish a modbus TCP connection to a server and read any type of register from the server.
Following options are available:
Usage: nymea-modbus-cli [options]
Tool for testing and reading Modbus TCP registers.
Copyright © 2016 - 2022 nymea GmbH <contact@nymea.io>
Options:
-h, --help Displays this help.
-v, --version Displays version information.
-a, --address <address> The IP address of the modbus
TCP server.
-p, --port <port> The port of the modbus TCP
server. Default is 502.
-m, --modbus-address <id> The modbus server address on
the bus (slave ID). Default is
1.
-t, --type <input, holding, discrete, coils> The type of the modbus
register. Default is holding.
-r, --register <register> The number of the modbus
register.
-l, --length <length> The number of registers to
read. Default is 1.
-d, --debug Print more information.

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nymea-modbus-cli/main.cpp
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@ -169,6 +169,8 @@ int main(int argc, char *argv[])
quint16 registerNumber = unit.startAddress() + i;
qInfo() << "-->" << registerNumber << ":" << QString("0x%1").arg(registerValue, 4, 16, QLatin1Char('0')) << registerValue;
}
exit(EXIT_SUCCESS);
});
QObject::connect(reply, &QModbusReply::errorOccurred, client, [=] (QModbusDevice::Error error){