Implement AXP192 related HAL functions

bettr-xyz / tracesigma-firmware

Project TraceSigma aims to develop and release open-sourced code and reference designs of a portable, clip-on device with the aim to allow anyone internationally to build and deploy compatible self-contained tracing devices.

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Implement AXP192 related HAL functions #5

Open fustilio opened 4 years ago

fustilio commented 4 years ago

Set battery parameters

[x] Set charging voltage min, max
[x] Set charging current
[x] Turn on/off microphone regulator (GPIO 0)
[x] Turn on/off lcd power (LDO2/3)
[ ] Explore disabling TS pin
[ ] Set low voltage cutoff to 3.2V

fustilio commented 4 years ago

Existing implementation of maps 3.1V to 4.0V for 0-100% 3.2V (0x3C) corresponds to 11% stage 1 (0x68) triggers at 3.45V 39% stage 2 (0x5f) triggers at 3.40V 33%