software/ampel-firmware/co2_sensor.h
2021-05-09 20:45:59 +02:00

31 lines
1022 B
C++

#ifndef CO2_SENSOR_H_
#define CO2_SENSOR_H_
// The SCD30 from Sensirion is a high quality Nondispersive Infrared (NDIR) based CO₂ sensor capable of detecting 400 to 10000ppm with an accuracy of ±(30ppm+3%).
// https://github.com/sparkfun/SparkFun_SCD30_Arduino_Library
#include "src/lib/SparkFun_SCD30_Arduino_Library/src/SparkFun_SCD30_Arduino_Library.h" // From: http://librarymanager/All#SparkFun_SCD30
#include "config.h"
#include "led_effects.h"
#include "util.h"
#include <Wire.h>
namespace config {
extern uint16_t measurement_timestep; // [s] Value between 2 and 1800 (range for SCD30 sensor)
extern const bool auto_calibrate_sensor; // [true / false]
extern uint16_t co2_calibration_level; // [ppm]
extern const float temperature_offset; // [K] Sign isn't relevant.
}
namespace sensor {
extern SCD30 scd30;
extern int16_t co2;
extern float temperature;
extern float humidity;
extern String timestamp;
void initialize();
bool processData();
void startCalibrationProcess();
}
#endif