APM RSSI 3.3V input (feature request)

Hi.

The current RSSI_PIN expects RSSI signal from 0V to 5V. The new FrSky X8R receiver has RSSI output signal with 0V to 3.3V levels.

It would be nice if the RSSI_PIN had option to re-scale (software re-scaling) the input level to 0-5 to get accurate readings.

something like

if (RSSI_RANGE is 3.3) then RSSI = RSSI * 5 / 3.3;

This should require one additional RSSI_RANGE parameter and one or two simple lines of code.

As of now, the RSSI_PIN works with X8R receiver but when at MAX it obviously shows only 66% signal strenght.

Thank you,

Brano

p.r. December 27, 2013 at 6:40pm

what's the status on this request?

I read in another thread that there's a 'dev' version that already has this feature integrated.

Where can I download a version of APM Plane that currently has RSSI_RANGE implemented?

Thanks,

pab'
Frank Rodgers October 23, 2013 at 10:14am

I second this request. It has been brought up a number of times. I hope it does get implemented soon

Frank

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