Help choosing correct SLEEP mode w/ Asset Tracker v2

[ScruffR]

That's a new feature introduced with 0.8.0-rc.2
Particle Device OS Updates Thread - #57 by mdma

ENHANCEMENTS

• Serialize access to the CRC peripheral (STM32F2xx) #1465
• System.sleep() wake up reason #1410
• System.sleep(): support for multiple wake up pins #1405
• Disable WKP pin waking device up from SLEEP_MODE_DEEP #1409
• [...]

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Update:

@jschwalbe, this might be interesting for your

Asset Tracker Accelerometer + GPS problem

Thank you for finding a reproducible fail case for this. I was able to reproduce this and fix it when the GPS is powered down (D6 set HIGH before sleep). I suspect this change will also fix the randomly not being able to wake up from sleep even when the GPS is on. Reinitializing the LIS3DH prior to calibrating the filter seems to solve the problem. Basically this, just before accel.calibrateFilter(2000). LIS3DHConfig config; config.setLowPowerWakeMode(16); accel.setup(config); When…