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'BATTERY_SENSE_SAMPLES' (#1577)

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neilhao 2022-07-30 20:12:28 +08:00 committed by GitHub
parent 13a287ce5c
commit f0518bc99a
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1 changed files with 11 additions and 0 deletions
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src/Power.cpp
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@ -112,7 +112,18 @@ class AnalogBatteryLevel : public HasBatteryLevel
const uint32_t min_read_interval = 5000; const uint32_t min_read_interval = 5000;
if (millis() - last_read_time_ms > min_read_interval) { if (millis() - last_read_time_ms > min_read_interval) {
last_read_time_ms = millis(); last_read_time_ms = millis();
#ifdef BATTERY_SENSE_SAMPLES
//Set the number of samples, it has an effect of increasing sensitivity, especially in complex electromagnetic environment.
uint32_t raw = 0;
for(uint32_t i=0; i<BATTERY_SENSE_SAMPLES;i++){
raw += analogRead(BATTERY_PIN);
}
raw = raw/BATTERY_SENSE_SAMPLES;
#else
uint32_t raw = analogRead(BATTERY_PIN); uint32_t raw = analogRead(BATTERY_PIN);
#endif
float scaled; float scaled;
#ifndef VBAT_RAW_TO_SCALED #ifndef VBAT_RAW_TO_SCALED
scaled = 1000.0 * operativeAdcMultiplier * (AREF_VOLTAGE / 1024.0) * raw; scaled = 1000.0 * operativeAdcMultiplier * (AREF_VOLTAGE / 1024.0) * raw;