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Merge pull request #3580 from meshtastic/add-iaq

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add BME680 IAQ reading
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Thomas Göttgens 2024-04-09 21:55:42 +02:00 committed by GitHub
commit fcab20fb3b
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2 changed files with 10 additions and 14 deletions
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2
src/modules/Telemetry/EnvironmentTelemetry.cpp
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@ -181,6 +181,8 @@ void EnvironmentTelemetryModule::drawFrame(OLEDDisplay *display, OLEDDisplayUiSt
display->drawString(x, y += fontHeight(FONT_SMALL),
"Volt/Cur: " + String(lastMeasurement.variant.environment_metrics.voltage, 0) + "V / " +
String(lastMeasurement.variant.environment_metrics.current, 0) + "mA");
if (lastMeasurement.variant.environment_metrics.iaq != 0)
display->drawString(x, y += fontHeight(FONT_SMALL), "IAQ: " + String(lastMeasurement.variant.environment_metrics.iaq));
}
bool EnvironmentTelemetryModule::handleReceivedProtobuf(const meshtastic_MeshPacket &mp, meshtastic_Telemetry *t)

22
src/modules/Telemetry/Sensor/BME680Sensor.cpp
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@ -57,6 +57,7 @@ bool BME680Sensor::getMetrics(meshtastic_Telemetry *measurement)
measurement->variant.environment_metrics.barometric_pressure = bme680.getData(BSEC_OUTPUT_RAW_PRESSURE).signal / 100.0F;
measurement->variant.environment_metrics.gas_resistance = bme680.getData(BSEC_OUTPUT_RAW_GAS).signal / 1000.0;
// Check if we need to save state to filesystem (every STATE_SAVE_PERIOD ms)
measurement->variant.environment_metrics.iaq = bme680.getData(BSEC_OUTPUT_IAQ).signal;
updateState();
return true;
}
@ -85,17 +86,17 @@ void BME680Sensor::updateState()
if (stateUpdateCounter == 0) {
/* First state update when IAQ accuracy is >= 3 */
accuracy = bme680.getData(BSEC_OUTPUT_IAQ).accuracy;
if (accuracy >= 3) {
LOG_DEBUG("%s state update IAQ accuracy %u >= 3\n", sensorName, accuracy);
if (accuracy >= 2) {
LOG_DEBUG("%s state update IAQ accuracy %u >= 2\n", sensorName, accuracy);
update = true;
stateUpdateCounter++;
} else {
LOG_DEBUG("%s not updated, IAQ accuracy is %u >= 3\n", sensorName, accuracy);
LOG_DEBUG("%s not updated, IAQ accuracy is %u < 2\n", sensorName, accuracy);
}
} else {
/* Update every STATE_SAVE_PERIOD minutes */
if ((stateUpdateCounter * STATE_SAVE_PERIOD) < millis()) {
LOG_DEBUG("%s state update every %d minutes\n", sensorName, STATE_SAVE_PERIOD);
LOG_DEBUG("%s state update every %d minutes\n", sensorName, STATE_SAVE_PERIOD / 60000);
update = true;
stateUpdateCounter++;
}
@ -103,22 +104,15 @@ void BME680Sensor::updateState()
if (update) {
bme680.getState(bsecState);
std::string filenameTmp = bsecConfigFileName;
filenameTmp += ".tmp";
if (FSCom.exists(bsecConfigFileName) && !FSCom.remove(bsecConfigFileName)) {
LOG_WARN("Can't remove old state file\n");
}
auto file = FSCom.open(bsecConfigFileName, FILE_O_WRITE);
if (file) {
LOG_INFO("%s state write to %s.\n", sensorName, bsecConfigFileName);
file.write((uint8_t *)&bsecState, BSEC_MAX_STATE_BLOB_SIZE);
file.flush();
file.close();
// brief window of risk here ;-)
if (FSCom.exists(bsecConfigFileName) && !FSCom.remove(bsecConfigFileName)) {
LOG_WARN("Can't remove old state file\n");
}
if (!renameFile(filenameTmp.c_str(), bsecConfigFileName)) {
LOG_ERROR("Error: can't rename new state file\n");
}
} else {
LOG_INFO("Can't write %s state (File: %s).\n", sensorName, bsecConfigFileName);
}