Kevin O'Connor 75b89f5261 thermistor: Fallback to using beta if Steinhart-Hart c3 is negative
If the c3 coefficient is negative it can cause the adc calculations to
fail.  The c3 shouldn't be negative in practice, so fallback to a
simple beta calculation in that case.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
2018-04-09 12:35:18 -04:00
..
2018-03-17 14:07:15 -04:00