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fw: Fix battery voltage calculation

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This commit is contained in:
Markus Koch 2020-07-31 18:22:52 +02:00
parent 0e5e87af7c
commit b4cfb40bb7
1 changed files with 3 additions and 4 deletions
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9
firmware/batmon.c
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@ -33,16 +33,15 @@ uint8_t batmon_proc()
if (ADCSRA & (1 << ADIF)) { if (ADCSRA & (1 << ADIF)) {
sum += ADCH; sum += ADCH;
if (!(cnt++)) { if (!(++cnt)) {
vbat = sum >> 8; vbat = sum >> 8;
sum = 0; sum = 0;
}
vbat = ADCH;
ADCSRA &= ~(1 << ADIF);
ADCSRA |= (1 << ADSC); // TODO: I want this to work off TIMER0
if (vbat < BAT_THRES_POWER_OFF) if (vbat < BAT_THRES_POWER_OFF)
return 1; return 1;
} }
ADCSRA &= ~(1 << ADIF);
ADCSRA |= (1 << ADSC); // TODO: I want this to work off TIMER0
}
return 0; return 0;
} }