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Fix multiple div-by-zero related to battery cell count

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Battery cell count will be 0 if the battery is not detected or the voltage meter is not configured. This exposed multiple div-by-zero risks.
This commit is contained in:
Bruce Luckcuck 2020-12-25 14:17:00 -05:00
parent 3f116fd103
commit 01fb3940e7
4 changed files with 7 additions and 19 deletions
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4
src/main/sensors/battery.c
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@ -511,13 +511,13 @@ uint8_t getBatteryCellCount(void)
uint16_t getBatteryAverageCellVoltage(void)
{
return voltageMeter.displayFiltered / batteryCellCount;
return (batteryCellCount ? voltageMeter.displayFiltered / batteryCellCount : 0);
}
#if defined(USE_BATTERY_VOLTAGE_SAG_COMPENSATION)
uint16_t getBatterySagCellVoltage(void)
{
return voltageMeter.sagFiltered / batteryCellCount;
return (batteryCellCount ? voltageMeter.sagFiltered / batteryCellCount : 0);
}
#endif