Enhancement request (Arduplane & APM Planner): native RSSI & Battery_Voltage_B readings.

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Hello to comunity and developers.

Many users like me have two batteries in parallel configuration for increase 
the duration of our flights with Arduplane.

RC equipment and telemetry radios are the main handicap for flight distance, so 
the RSSI indicator shows us when we are near to the limit of the radio range.

Last weeks, some users had been making nice improvements with the MinimOSD 
Config Tool to show this two values on his OSDs. Now, either MinimOSD or 
Remzibi have the posibility of show RSSI and a second battery voltage. But if a 
normal user, with no knowledge about how to program ardupilot (like mostly) 
wants see these features, he can´t.

So please, take in care this enhancement :)

Regards from Spain,
Dario.

Original issue reported on code.google.com by proyecto...@gmail.com on 19 Jul 2012 at 5:09

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I believe Dario wants the RSSI and second battery values to be added to the 
MAV_LINK strings sent to the OSD.
I have a second battery that powers my FPV gear and my APM2. I would also like 
a second battery voltage/mah_used to be displayed on the OSD.

Original comment by efu...@gmail.com on 22 Jul 2012 at 1:28

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Where would the input readings for both come from? Not all receivers obviously 
output RSSI but if it is a voltage reading you may use an analogue input of the 
APM. Same for the secondary battery. Only problem I can imagine is that if one 
would try to measure two very different voltage (say your two 3s batteries and 
an RSSI input that is between 0 and 1 volt) then your accuracy may suffer since 
I believe the APM uses only one reference voltage for the ADC but I may be 
wrong.

Original comment by andre.sc...@gmail.com on 17 Aug 2012 at 3:15

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This has been possible for a while by recompiling ArduPlane with the RSSI_PIN 
option. For the 2.67 release I have changed this to be a parameter called 
"RSSI_PIN", so you can set it without recompiling. Hopefully that will make it 
easier.
Now you just need to talk to the MinimOSD people to ensure they display the 
RC_CHANNELS_RAW.rssi value from MAVLink in the display.
Cheers, Tridge

Original comment by tridg...@gmail.com on 6 Nov 2012 at 11:19

• Changed state: Fixed

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Tridge,

How about the second battery monitoring feature in the Mavlink messages so they 
can be read by the MinimOSD?

Regards,
Nathaniel ~KD2DEY

Original comment by kvca...@gmail.com on 16 Dec 2012 at 5:07

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I think Dario wanted it in the APM Mission Planner. Since the Mavlink strings 
are already present, Micheal would just have to add some space for the RSSI in 
MP's HUD.

Original comment by mhkabi...@gmail.com on 20 Feb 2013 at 2:26

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Is there a way to get the telemetry rssi both in the horizon screen and on 
minim? 

Original comment by staronf...@aol.com on 3 Feb 2015 at 8:53

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Is there a way to get the telemetry rssi both in the horizon screen and on 
minim? 

Original comment by staronf...@aol.com on 3 Feb 2015 at 8:53