4.2 version - CRSF: RF mode 2, rate xxx repeated messages

ArduCopter Copter 4.1
1

I’m have many messages from CRSF - CRSF: RF mode 2, rate xxx, and some time i’m see FS (at 2m ).
And i’m see GPS lagging too.
FC: mamba f405 mk2
CRSF to serial1 (dma enabled and recompiled)
GPS to serial6
ESC tele to serial3

IMG_20210801_102040
IMG_20210801_1020402000×1124 643 KB

2

Can you post the hwdef you used - just because you enabled DMA doesn’t mean that it actually worked.

Are you using ELRS or vanilla TBS CRSF?

3

I’m only delete NODMA from rx and tx in hwdef for serial1
Its working because i’m have crsf rate which using with DMA enabled ports.
Using MicroTX v2 CRSF no elrs

4

Strange - looks like on that board it works ok.

5

I’m see from MP messages -

01.08.2021 12:00:22 : CRSF: RF mode 2, rate is 156Hz
01.08.2021 12:00:17 : CRSF: RF mode 1, rate is 157Hz
01.08.2021 12:00:09 : CRSF: RF mode 2, rate is 154Hz
01.08.2021 12:00:05 : CRSF: RF mode 1, rate is 157Hz
01.08.2021 11:58:55 : CRSF: RF mode 2, rate is 156Hz
01.08.2021 11:58:50 : CRSF: RF mode 1, rate is 157Hz
01.08.2021 11:58:43 : CRSF: RF mode 2, rate is 155Hz
01.08.2021 11:58:38 : CRSF: RF mode 1, rate is 154Hz

This CRSF or AP problems?

6

This is a CRSF issue - the mode switching can happen if the signal is flaky

7

Yes - i’m disable mavlink in rx nano and this messages go out…