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Prevent MQTT to publish cell voltage values before they are populated

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In addition to checking the value of the variable number_of_cells, we also test the value of the last cell, as the value of the cells can be filled some time after initializing the number of cells. This test was also added before publishing the values cell_max_voltage and cell_min_voltage since they are ​​calculated from the cell data.
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amarofarinha 2024-05-26 15:17:00 +01:00 • committed by GitHub
parent 513ed974bd
commit 064ff27ea7
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1 changed files with 6 additions and 4 deletions
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8
Software/src/devboard/mqtt/mqtt.cpp
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@ -75,7 +75,7 @@ static void publish_cell_voltages(void) {
doc.clear(); // clear after sending autoconfig
} else {
// If cell voltages haven't been populated...
if (datalayer.battery.info.number_of_cells == 0u) {
if (datalayer.battery.info.number_of_cells == 0u || datalayer.battery.status.cell_voltages_mV[datalayer.battery.info.number_of_cells-1]==0u) {
return;
}
@ -158,10 +158,12 @@ static void publish_common_info(void) {
doc["temperature_max"] = ((float)((int16_t)datalayer.battery.status.temperature_max_dC)) / 10.0;
doc["stat_batt_power"] = ((float)((int32_t)datalayer.battery.status.active_power_W));
doc["battery_current"] = ((float)((int16_t)datalayer.battery.status.current_dA)) / 10.0;
doc["battery_voltage"] = ((float)datalayer.battery.status.voltage_dV) / 10.0;
// publish only if cell voltages have been populated...
if (datalayer.battery.info.number_of_cells != 0u && datalayer.battery.status.cell_voltages_mV[datalayer.battery.info.number_of_cells-1]!=0u) {
doc["cell_max_voltage"] = ((float)datalayer.battery.status.cell_max_voltage_mV) / 1000.0;
doc["cell_min_voltage"] = ((float)datalayer.battery.status.cell_min_voltage_mV) / 1000.0;
doc["battery_voltage"] = ((float)datalayer.battery.status.voltage_dV) / 10.0;
}
serializeJson(doc, mqtt_msg);
if (!mqtt_publish(state_topic.c_str(), mqtt_msg, false)) {
#ifdef DEBUG_VIA_USB