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added CO2 and VOC sensor

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This commit is contained in:
Willem Oldemans
2021-07-26 16:37:49 +02:00
parent 618eaec73d
commit 9dfcbf0484
12 changed files with 347 additions and 53 deletions
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43
CO2_sensor.cpp
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@@ -3,36 +3,53 @@
Adafruit_SCD30 scd30;
#define CO2_INTERVAL 120000 //ms
#define SCD30TEMPMAX 50
#define SDC30HUMMAX 100
#define SCD30CO2MAX 20000
#define SCD30MIN 0
uint8_t CO2_samples = 3600 / g_pms_report_period;
AQSSensor SCD30_temperature("Temperature", device_name, CO2_samples);
AQSSensor SCD30_Humidity("Humidity", device_name, CO2_samples);
AQSSensor SCD30_CO2("CO2", device_name, CO2_samples);
AQSSensor SCD30_temperature("Temperature", SCD30_temp, "degC", device_name, CO2_samples, SCD30MIN, SCD30TEMPMAX);
AQSSensor SCD30_Humidity("Humidity", SCD30_hum, "%RH", device_name, CO2_samples, SCD30MIN, SDC30HUMMAX);
AQSSensor SCD30_CO2("CO2", SCD30_co2, "PPM", device_name, CO2_samples, SCD30MIN, SCD30CO2MAX);
uint32_t CO2_lastUpdate = 0;
void initCO2sensor(void)
{
Serial.print("Init SCD30:");
if (!scd30.begin(true))
Serial.println("SCD30: init");
if (!scd30.begin())
{
Serial.println("Failed to find SCD30 device");
Serial.println("SCD30: Failed to find sensor");
}
else
{
//configure sensor
scd30.setMeasurementInterval(g_pms_report_period);
addSensorToList(&SCD30_temperature);
addSensorToList(&SCD30_Humidity);
addSensorToList(&SCD30_CO2);
addSensorToList(&SCD30_temperature);
addSensorToList(&SCD30_Humidity);
addSensorToList(&SCD30_CO2);
Serial.println(" OK");
//check callibration Mode
scd30.selfCalibrationEnabled(false);
scd30.read();
Serial.println("SCD30: init OK");
}
}
void handleCO2sensor(void)
{
uint32_t currentmillis = millis();
if (currentmillis - CO2_lastUpdate > CO2_INTERVAL)
if ((currentmillis - CO2_lastUpdate > (g_pms_report_period * 1000)) || (!CO2_lastUpdate) && (scd30.dataReady()))
{
if (!scd30.read())
{
Serial.println("SCD30: read error!");
return;
}
SCD30_temperature.set(uint32_t(scd30.temperature));
SCD30_Humidity.set(uint32_t(scd30.relative_humidity));
SCD30_CO2.set(uint32_t(scd30.CO2));
@@ -40,5 +57,7 @@ void handleCO2sensor(void)
SCD30_temperature.publish();
SCD30_Humidity.publish();
SCD30_CO2.publish();
CO2_lastUpdate = currentmillis;
}
}