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SYS_COMPANION - update speed #8918
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Can you confirm which SYS_COMPANION setting you're using? With everything connected could you run Which OSD hardware do you have? |
Thanks for reply Am using 157600 I put some debug on OSD to capture the Hz of a couple of commands. I just tried playing a TLOG captured from someone else. I presume its Ardu of some description and seeing 35hz/8hz for the commands above so the OSD appears to process OK. What would I look for in QGC? |
Closing. Confirmed Issue with another OSD. |
Hi, I m experiencing slow update of some data on OSD. Is this adjustable without re-compiling?
In particular GPS_RAW_INT which is sent from PX4 only once every 5 seconds.
It makes some OSD items look poor. Especially distance from home and distance to waypoint.
I looked in code and can see some values which I thought would be the refresh rate against each mavlink command. In reality it appears they are running at a rate of 20% of that value for me. I put some diagnostic code on OSD to determine update frequency and it verifies refresh speeds are all approx 20% of the values in link below: Maybe this is a task scheduler process to minimise CPU / serial performance?
https:/PX4/Firmware/blob/e04d30c9cf8d02603b85bdffd13c844bea773265/src/modules/mavlink/mavlink_main.cpp#L2062
Example Video (apologies for quality - just a test flight...):
https://www.youtube.com/watch?v=k7E9gu-OtRY
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