Serge NOEL
43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
# Sample script to show how to send and receive CAN Frames
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#
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#
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# Author: Bob Jacobsen, copyright 2008
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# Author: Gert Muller, copyright 2012
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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 MyCanListener (jmri.jmrix.can.CanListener) :
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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 "Header ID: 0x"+java.lang.Integer.toHexString(msg.getHeader())
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print "content: ", msg.toString()
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print "extended: ", msg.isExtended()
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return
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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.can.CanSystemConnectionMemo).getTrafficController()
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tc.addCanListener(MyCanListener())
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except:
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print "No Traffic Controller"
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# Send an outgoing CanMessage frame
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frame = jmri.jmrix.can.CanMessage(0x123) # header ID value 0x123
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frame.setNumDataElements(2) # will load 2 bytes
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frame.setElement(0, 0x45)
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frame.setElement(1, 0x67)
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if tc != None:
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tc.sendCanMessage(frame, None)
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print "CAN frame sent!"
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else:
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print "Sorry, no Traffic Controller!"
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