TBS Tracer - partially working already!

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09 Nov 2020 17:49 #76984 by belrik
I have TBS Tracer and T8SGv2 plus. I've performed the hardware pin mod to enable crossfire and was pleased to see that the TX module, Wifi module and Nano RX are all visible in the CRSF menu in Deviation.

However, there are some peculiarities. For instance the prompt to update RX firmware shows only a "cancel" option, I think I tried this 20+ times and eventually I got a "ok proceed" option but I cannot replicate this on the other RX which needs updating.

Also, telemetry is being sent from BF but doesn't appear in my telemetry monitor - I see only the LQ/RSSI telemetry from the radio module itself, nothing from the serial link to the flight controller.

Otherwise, this appears to work well and I can fly TBS Tracer on deviation with no issues besides these.

If anyone understands the CRSF implementation and things that could be improved to fix these small issues please let me know, I am happy to test things on the bench.
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14 Nov 2020 19:11 #77009 by belrik
Replied by belrik on topic TBS Tracer - partially working already!
Telemetry is working, blaming the first FC for this problem. Seems that using another FC has resolved that, error might be related to the first FC having a built-in SPI reciever or simply a lower-quality crazybee board.

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04 Dec 2020 17:00 #77088 by Fernandez
Replied by Fernandez on topic TBS Tracer - partially working already!
nice
would be interesting to verify latency/jitter.

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04 Dec 2020 17:13 - 04 Dec 2020 17:14 #77090 by belrik
Replied by belrik on topic TBS Tracer - partially working already!

Fernandez wrote: nice
would be interesting to verify latency/jitter.


Latency from the radio should be the same as crossfire, it's using the same code. Control feels right and accurate, noticeably different to my frsky XM+ based quads, close to what I feel when using Redpine.
Last edit: 04 Dec 2020 17:14 by belrik.

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04 Dec 2020 18:06 #77091 by Fernandez
Replied by Fernandez on topic TBS Tracer - partially working already!
Nice myself I follow the ExpressLRS guys, I like the open source approach for a radio link, however most of the developers are OpenTx minded.

I still like Deviation. TGSG V2plus works well for me, I prefer it above my Frsky X-Lite.

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04 Dec 2020 18:33 #77092 by belrik
Replied by belrik on topic TBS Tracer - partially working already!

Fernandez wrote: Nice myself I follow the ExpressLRS guys, I like the open source approach for a radio link, however most of the developers are OpenTx minded.

I still like Deviation. TGSG V2plus works well for me, I prefer it above my Frsky X-Lite.


I follow expressLRS too, seems that they can use CRSF on the radio too, unfortunately eLRS can't render menus on deviationtx like tracer and crossfire. Seems that deviation isn't getting new protocols at this point, so it's days are numbered. I'd have bought ghost if deviation supported it.

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