Serge NOEL
43 lines
1.1 KiB
Python
43 lines
1.1 KiB
Python
# Sample script to show how to send a C/MRI frame
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#
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#
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# Author: Bob Jacobsen, copyright 2022
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#
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# Part of the JMRI distribution
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import jmri
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import java
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# First, example of receiving. Put a listener in place.
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class MyListener (jmri.jmrix.cmri.serial.SerialListener) :
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def message(self, msg) :
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# this handles messages being sent by ignoring them
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return
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def reply(self, msg) :
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print "received incoming Frame"
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print "content: ", msg.toString()
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return
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listener = MyListener()
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# Get the traffic controller
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tc = None
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try:
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tc = jmri.InstanceManager.getDefault(jmri.jmrix.cmri.CMRISystemConnectionMemo).getTrafficController()
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tc.addSerialListener(listener)
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except:
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print "No Traffic Controller"
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# Send an outgoing message frame
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frame = jmri.jmrix.cmri.serial.SerialMessage(3) # 3 byte length for example
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frame.setElement(0, 0x41) # node number
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frame.setElement(1, 0x49) # I
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frame.setElement(2, 0) # type byte
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if tc != None:
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tc.sendSerialMessage(frame, None)
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print "CMRI frame sent!"
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else:
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print "Sorry, no Traffic Controller!"
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