nrf52: allow companion to sleep when idle

[oltaco]

Following on from the NRF52 repeater power savings, this adds the same for NRF52 companions.

I've been running it on WioTrackerL1/ThinkNode M1/Heltec T114/Meshtiny for the last week with no issues.

[oltaco]

Forgot to remove some commented testing code, fixed now. 🤦‍♂️

[weebl2000]

Suggested change

	board.sleep(1800);
	if (!the_mesh.hasPendingWork()) {
	board.sleep(1800);
	}

Maybe?

Probably need to add hasPendingWork(), _mgr->getOutboundCount(0xFFFFFFFF) > 0 - not sure if it's actually useful.

[towerviewcams]

I have a WioTracker L1, put up a test bin and I can check this in my lab and report back.

[weebl2000]

I have a WioTracker L1, put up a test bin and I can check this in my lab and report back.

Build it here:

http://mcimages.weebl.me/?commitId=nrf52-lowpower

[lbibass]

Here are the results of testing with an NRF PPK and a Heltec T114. Hope this helps!

Before:

After:

[oltaco]

Here are the results of testing with an NRF PPK and a Heltec T114. Hope this helps!

Before:

After:

I hope the before and after are around the wrong way! 😂

[lbibass]

Here are the results of testing with an NRF PPK and a Heltec T114. Hope this helps!
Before:
After:

I hope the before and after are around the wrong way! 😂

Check the average power consumption! it dropped from almost 12 mA to almost 8 mA.

[towerviewcams]

Here are the results of testing with an NRF PPK and a Heltec T114. Hope this helps!

@lbibass can you point me on how/where to get this power meter/software your using here? I do allot of testing and would like to add this to my lab.. Thank you.

Found it!!!! yea I'm getting one!