63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
#include "CO2_sensor.h"
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Adafruit_SCD30 scd30;
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#define CO2_INTERVAL 120000 //ms
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#define SCD30TEMPMAX 50
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#define SDC30HUMMAX 100
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#define SCD30CO2MAX 20000
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#define SCD30MIN 0
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uint8_t CO2_samples = 3600 / g_pms_report_period;
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AQSSensor SCD30_temperature("Temperature", SCD30_temp, "degC", device_name, CO2_samples, SCD30MIN, SCD30TEMPMAX);
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AQSSensor SCD30_Humidity("Humidity", SCD30_hum, "%RH", device_name, CO2_samples, SCD30MIN, SDC30HUMMAX);
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AQSSensor SCD30_CO2("CO2", SCD30_co2, "PPM", device_name, CO2_samples, SCD30MIN, SCD30CO2MAX);
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uint32_t CO2_lastUpdate = 0;
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void initCO2sensor(void)
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{
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Serial.println("SCD30: init");
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if (!scd30.begin())
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{
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Serial.println("SCD30: Failed to find sensor");
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}
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else
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{
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//configure sensor
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scd30.setMeasurementInterval(g_pms_report_period);
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addSensorToList(&SCD30_temperature);
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addSensorToList(&SCD30_Humidity);
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addSensorToList(&SCD30_CO2);
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//check callibration Mode
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scd30.selfCalibrationEnabled(false);
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scd30.read();
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Serial.println("SCD30: init OK");
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}
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}
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void handleCO2sensor(void)
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{
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uint32_t currentmillis = millis();
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if ((currentmillis - CO2_lastUpdate > (g_pms_report_period * 1000)) || (!CO2_lastUpdate) && (scd30.dataReady()))
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{
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if (!scd30.read())
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{
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Serial.println("SCD30: read error!");
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return;
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}
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SCD30_temperature.set(uint32_t(scd30.temperature));
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SCD30_Humidity.set(uint32_t(scd30.relative_humidity));
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SCD30_CO2.set(uint32_t(scd30.CO2));
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SCD30_temperature.publish();
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SCD30_Humidity.publish();
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SCD30_CO2.publish();
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CO2_lastUpdate = currentmillis;
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}
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} |