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report power (in watts) on the battery and vbus rails #501

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report power (in watts) on the battery and vbus rails #501

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10 changes: 7 additions & 3 deletions RX_FSK/src/conn-mqtt.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -172,16 +172,20 @@ void MQTT::publishPmuInfo()
float i_d = pmu->getBattDischargeCurrent();
float i_c = pmu->getBattChargeCurrent();
float i_batt = 0;
float v_batt = pmu->getBattVoltage() / 1000.;
float i_bus = pmu->getVbusCurrent();
float v_bus = pmu->getVbusVoltage() / 1000.;
float p_bus = i_bus * v_bus / 1000.;

if (i_c)
i_batt = i_c;
else if (i_d)
i_batt = -i_d;

float p_batt = i_batt * v_batt / 1000.;
snprintf(payload, sizeof(payload),
"{\"I_Batt\": %.1f, \"V_Batt\": %.3f, \"I_Vbus\": %.1f, \"V_Vbus\": %.3f, \"T_sys\": %.1f}",
i_batt, pmu->getBattVoltage() / 1000.,
pmu->getVbusCurrent(), pmu->getVbusVoltage() / 1000.,
"{\"I_Batt\": %.1f, \"V_Batt\": %.3f, \"P_Batt\": %.3f, \"I_Vbus\": %.1f, \"V_Vbus\": %.3f, \"P_Vbus\": %.3f, \"T_sys\": %.1f}",
i_batt, v_batt, p_batt, i_bus, v_bus, p_bus,
pmu->getTemperature());
LOG_D(TAG, "publishPmuInfo: sending %s\n", payload);

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