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Problem
Factory burn in needs to support MSoM hardware, specifically the GPIO pinout
Solution
Adds MSoM DVT pinmap to GPIO tests.
Basic cellular test: turn on modem, query IMEI/ICCID/Modem firmware
GNSS test: turn on modem, configure for GNSS, poll for a fix for up to 90s. If there is no lock after 90s, the test fails
Steps to Test
Jumper the following pins together on the M2 EVB (based off the silkscreen names):
Remove all of the Ethernet and SD card jumpers
Example App
Run Tinker. To force burnin mode change this line in tinker setup
References
Ask scott for more info on gpio pins
Completeness