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Problem to open a serial com port for binding [message #1736700]

Fri, 01 July 2016 09:01

Paolo Marini

Messages: 2
Registered: June 2016

Junior Member

Hi all,

i'm implementing a binding in openHab, to implement the connectivity with a domotic system. Now, i created an OSGi project model that search all the available port using the library
- com.fazecast.jSerialComm.SerialPort

The code used for the discovery is the following:

public boolean Open() {
SerialPort comPorts[] = SerialPort.getCommPorts();
for (SerialPort comPort : comPorts) {
logger.debug(comPort.getSystemPortName());
}
return true;
}

Now, if i use this code in my binding, when i call the open method Open(),
the system seem to stay blocked in Open() methond.
I tryed the same code in an easy java project ans everithing seem work fine.

Some Idea?

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Re: Problem to open a serial com port for binding [message #1736801 is a reply to message #1736700]

Fri, 01 July 2016 20:29

Kai Kreuzer

Messages: 673
Registered: December 2011

Senior Member

> Some Idea?

Not really. Maybe the lib has issues to run on OSGi due to native calls, classloader hacks, etc. Have you tried to ask at jSerialComm for help?

Just for the reference, very similar code works well on OSGi (also ESH) with RXTX (through nrjavaserial), see e.g. https://github.com/openhab/openhab/blob/master/bundles/binding/org.openhab.binding.serial/src/main/java/org/openhab/binding/serial/internal/SerialDevice.java#L177

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