diff options
| -rw-r--r-- | firmware/drivers/power.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/firmware/drivers/power.c b/firmware/drivers/power.c index 09a4e76..5de53b2 100644 --- a/firmware/drivers/power.c +++ b/firmware/drivers/power.c @@ -38,14 +38,14 @@ int battery_level(void) { int level; - level = adc_read(ADC_UNREG_POWER) - BATTERY_LEVEL_SHUTDOWN; + level = adc_read(ADC_UNREG_POWER); if(level < 0) level = 0; if(level > BATTERY_LEVEL_FULL) level = BATTERY_LEVEL_FULL; - - return (level * 100) / BATTERY_RANGE; + + return ((level-BATTERY_LEVEL_SHUTDOWN) * 100) / BATTERY_RANGE; } void charger_enable(bool on) |