Spring-2025/SCD40Sensor_8h_source.html

#ifndef SCD40Sensor_H

#define SCD40Sensor_H


#include <Adafruit_Sensor.h>

#include <SensirionI2cScd4x.h>

#include <Wire.h>

#include <string.h>


#include "PayloadConfig.h"

#include "Sensor.h"


class SCD40Sensor : public Sensor {

 private:

  SensirionI2cScd4x scd;

  TwoWire* i2c_bus;


 public:

  SCD40Sensor(TwoWire* i2c_bus = &Wire);

  SCD40Sensor(unsigned long minimum_period, TwoWire* i2c_bus = &Wire);


  bool verify() override;

  String readData() override;

  void readDataPacket(uint8_t*& packet) override;

  String decodeToCSV(uint8_t*& packet) override;

};


#endif

PayloadConfig.h
Central location for pinout and config defines.

Sensor.h

Device::attempt_number
int attempt_number
Definition Device.h:19

SCD40Sensor
A class to interface with the Sensirion SCD40 sensor for CO2 data collection.
Definition SCD40Sensor.h:31

SCD40Sensor::readData
String readData() override
Reads sensor data and returns it in CSV format.
Definition SCD40Sensor.cpp:72

SCD40Sensor::readDataPacket
void readDataPacket(uint8_t *&packet) override
Reads sensor data and appends it to the packet byte array.
Definition SCD40Sensor.cpp:97

SCD40Sensor::verify
bool verify() override
Verifies the connection and readiness of the SCD40 sensor.
Definition SCD40Sensor.cpp:38

SCD40Sensor::decodeToCSV
String decodeToCSV(uint8_t *&packet) override
Decodes the packet data and returns it in CSV format.
Definition SCD40Sensor.cpp:129

SCD40Sensor::scd
SensirionI2cScd4x scd
Definition SCD40Sensor.h:33

SCD40Sensor::i2c_bus
TwoWire * i2c_bus
Definition SCD40Sensor.h:34

Sensor
Parent class for sensor objects.
Definition Sensor.h:13

Sensor::minimum_period
unsigned long minimum_period
Definition Sensor.h:15