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To be ported from MSXII firmware.
measures voltages through the AFEs
measures temperatures through the auxiliary GPIO pins on the AFEs through the ADG731 multiplexer
Raises / lowers faults similar to current_sense, including overcharge, over temperature, under charge
General structure is an FSM that usually remains in idle state, but moves to a “voltage reading” state or “temp reading” state whenever reading.
will likely use this approach for passive balancing as well
Fan_control
Periodically updates the fan speed based on the temperature
Uses an offset linear fan control curve based on the desired operating temperature of the battery (refer to datasheet)
Exposes init
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