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fix: ina226 was not calibrated during init (#7547)

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Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
mrab
2025-08-05 13:34:52 +02:00
committed by GitHub
parent eb30aae486
commit 384436e937
2 changed files with 30 additions and 1 deletions
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28
src/modules/Telemetry/Sensor/INA226Sensor.cpp
View File

@@ -32,16 +32,42 @@ void INA226Sensor::begin(TwoWire *wire, uint8_t addr)
_addr = addr;
ina226 = INA226(_addr, _wire);
_wire->begin();
ina226.setMaxCurrentShunt(0.8, 0.100);
}
bool INA226Sensor::getMetrics(meshtastic_Telemetry *measurement)
{
switch (measurement->which_variant) {
case meshtastic_Telemetry_environment_metrics_tag:
return getEnvironmentMetrics(measurement);
case meshtastic_Telemetry_power_metrics_tag:
return getPowerMetrics(measurement);
}
// unsupported metric
return false;
}
bool INA226Sensor::getEnvironmentMetrics(meshtastic_Telemetry *measurement)
{
measurement->variant.environment_metrics.has_voltage = true;
measurement->variant.environment_metrics.has_current = true;
// mV conversion to V
measurement->variant.environment_metrics.voltage = ina226.getBusVoltage();
measurement->variant.environment_metrics.current = ina226.getCurrent_mA();
return true;
}
bool INA226Sensor::getPowerMetrics(meshtastic_Telemetry *measurement)
{
measurement->variant.power_metrics.has_ch1_voltage = true;
measurement->variant.power_metrics.has_ch1_current = true;
measurement->variant.power_metrics.ch1_voltage = ina226.getBusVoltage();
measurement->variant.power_metrics.ch1_current = ina226.getCurrent_mA();
return true;
}

3
src/modules/Telemetry/Sensor/INA226Sensor.h
View File

@@ -15,6 +15,9 @@ class INA226Sensor : public TelemetrySensor, VoltageSensor, CurrentSensor
TwoWire *_wire = &Wire;
INA226 ina226 = INA226(_addr, _wire);
bool getEnvironmentMetrics(meshtastic_Telemetry *measurement);
bool getPowerMetrics(meshtastic_Telemetry *measurement);
protected:
virtual void setup() override;
void begin(TwoWire *wire = &Wire, uint8_t addr = INA_ADDR);