Maerchenprinz wrote in Thu Jun 07, 2018 7:58 pm:I've spent the last two days trying to implement a simple "GROUND" mode into a transponder capable of only "A" and "C" (not "S");
3 - Ground mode, responds to altitude interrogation but does not broadcast an ID. This would typically be used while taxiing prior to takeoff.
Maerchenprinz wrote in Thu Jun 07, 2018 7:58 pm:Fortunately, I have a ( fiddly )workaround for this for my transponder.xml in mind ; Unfortunately, I don't think that there are many (new) devs willing (capable) to do that.
What do you think, is this a bug (as I see it) and can I file a bug-report, or is there anything I have missed, and this is correct behaviour?
<altimeter>
<name>altimeter</name>
<number>0</number>
<static-pressure>/systems/static/pressure-inhg</static-pressure>
<encode-mode-c>false</encode-mode-c>
<encode-mode-s>true</encode-mode-s>
</altimeter>
<transponder>
<name type="string">transponder</name>
<number type="int">0</number>
<mode type="int">2</mode> <!-- 0 = Mode A, 1 = Mode C, 2 = Mode S -->
<bus-volts type="double">8.0</bus-volts>
<encoder-path type="string">/instrumentation/altimeter</encoder-path>
<kt70-compatibility type="bool">0</kt70-compatibility>
</transponder>
BEL ISAAK wrote in Mon Nov 12, 2018 6:12 pm:I 'm afraid it doesn't work. The altitude property stays at -9999. What I also find is that e.g. airspeed-kt doesn't get disabled when transponder/inputs/knob-mode changes. I 'll dig a bit deeper into the code, but I do think someone once implemented some transponder code that is competing with the default behaviour. I just need to point out where.
BEL ISAAK wrote in Tue Nov 13, 2018 11:10 am:It's the official 777 I 'm working on, you can download it through the launcher or pull from svn. I 've tested various knob-modes, but can't get the altitude reporting to work. I did get the airspeed working by modifying altimeter and transponder config though (not yet committed because I don't want to commit non-functioning code). I 'll only have time on Thursday and Friday to continue my investigation, but please feel free to check it out too. I 'll take a look at the citation II to see if there are any differences. I have the feeling that there's some code competing with the default behaviour, but can't locate it.
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