Serge NOEL
88 lines
3.4 KiB
Plaintext
88 lines
3.4 KiB
Plaintext
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<title>JMRI Hardware Support - OpenLCB Signal Masts</title>
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<h1>Hardware Support: OpenLCB Signal Masts</h1>
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<em>JMRI support for OpenLCB is rapidly evolving; the actual code might be ahead or behind
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the documentation on any given day.</em>
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<p>This page describes JMRI's support for OpenLCB-native Signal Masts. It's part of JMRI's
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<a href="index.shtml">documentation of its OpenLCB support</a>.</p>
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<h2>OpenLCB Signal Masts</h2>
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<p>A <a href="SignalMast.pdf">technical summary on masts</a> is available as a <a href=
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"SignalMast.pdf">PDF document</a>.</p>
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<h3>Names</h3>
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Valid OpenLCB Signal Mast system names look like:
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<ul>
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<li>MF$olm:basic:one-searchlight($1)</li>
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</ul>
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where the parts are
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<ul>
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<li>M - The system connection; these need a specific connection ID to use</li>
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<li>F - Indicates signal mast</li>
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<li>$olm - indicates an OpenLCB mast</li>
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<li>basic - signal system</li>
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<li>one-searchlight - mast type</li>
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<li>$1 - 1st mast (The $ indicates automatically assigned)</li>
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</ul>
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<h3>Adding and Editing OpenLCB Signal Masts</h3>
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You add and/or edit OpenLCB Signal Masts via the Signal Mast Table using the usual "Add" and
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"Edit" buttons. For adding, select "OpenLCB Event Mast" as the mast driver type. You'll then
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get a pane that will let you configure a specific mast:
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<p><a href="images/Add_OlcbSignalMast.png"><img src="images/Add_OlcbSignalMast.png" height=
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"293" width="204" alt="empty signal definition"></a> <a href=
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"images/Edit_OlcbSignalMast.png"><img src="images/Edit_OlcbSignalMast.png" height="290"
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width="203" alt="sample signal definition"></a></p>
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<p>Starting from the top of the pane, the options are:</p>
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<ul>
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<li>"This Mast can be unlit" - same as for other mast types, this tells the signal logic
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that it's OK for this mast to be unlit (set to dark).</li>
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<li>A scrolling set of aspects to configure: For each one, enter the OpenLCB EventID that
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sets the mast to this aspect. You can use any of the <a href="Names.shtml">EventID formats
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that JMRI understands</a> such as "x1234567890ABCDEF" or "00.01.02.03.04.05.06.07" or
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"0.1.2.3.4.5.6.7". Whatever format you enter will be retained for when you later edit the
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mast.
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</li>
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<li>A box for the EventIDs that tell the mast to be lit or unlit.</li>
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<li>A box for the EventIDs that tell the mast that it's held or not held.</li>
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<li>Cancel and Create or Apply buttons that do what's expected of them.</li>
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</ul>
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If you format one of those EventID entries improperly, you'll get a not-particularly specific
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error message dialog. (Perhaps somebody will improve this some day)
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<h3>JMRI Help</h3>
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<p>Back to the <a href="index.shtml">main OpenLCB Help page</a></p>
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