Files
firmware/src/modules/Telemetry/Sensor/INA226Sensor.cpp
2025-08-05 06:34:52 -05:00

84 lines
2.2 KiB
C++

#include "configuration.h"
#if HAS_TELEMETRY && !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR && __has_include("INA226.h")
#include "../mesh/generated/meshtastic/telemetry.pb.h"
#include "INA226.h"
#include "INA226Sensor.h"
#include "TelemetrySensor.h"
INA226Sensor::INA226Sensor() : TelemetrySensor(meshtastic_TelemetrySensorType_INA226, "INA226") {}
int32_t INA226Sensor::runOnce()
{
LOG_INFO("Init sensor: %s", sensorName);
if (!hasSensor()) {
return DEFAULT_SENSOR_MINIMUM_WAIT_TIME_BETWEEN_READS;
}
begin(nodeTelemetrySensorsMap[sensorType].second, nodeTelemetrySensorsMap[sensorType].first);
if (!status) {
status = ina226.begin();
}
return initI2CSensor();
}
void INA226Sensor::setup() {}
void INA226Sensor::begin(TwoWire *wire, uint8_t addr)
{
_wire = wire;
_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;
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;
}
uint16_t INA226Sensor::getBusVoltageMv()
{
return lround(ina226.getBusVoltage() * 1000);
}
int16_t INA226Sensor::getCurrentMa()
{
return lround(ina226.getCurrent_mA());
}
#endif