ph4502c_sensor.h

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#ifndef PH4502C_SENSOR_H
#define PH4502C_SENSOR_H
 
#include <Arduino.h>
 
#define PH4502C_DEFAULT_CALIBRATION 14.8f
 
#define PH4502C_DEFAULT_READING_INTERVAL 100
 
#define PH4502C_DEFAULT_READING_COUNT 10
 
#define PH4502C_DEFAULT_ADC_RESOLUTION 1024.0f
 
#define PH4502C_VOLTAGE 5.0f
 
#define PH4502C_MID_VOLTAGE 2.5f
 
#define PH4502C_PH_VOLTAGE_PER_PH 0.18f
 
class PH4502C_Sensor {
public:
 
    PH4502C_Sensor(uint16_t ph_level_pin, uint16_t temp_pin,
                   float calibration = PH4502C_DEFAULT_CALIBRATION,
                   int reading_interval = PH4502C_DEFAULT_READING_INTERVAL,
                   int reading_count = PH4502C_DEFAULT_READING_COUNT,
                   float adc_resolution = PH4502C_DEFAULT_ADC_RESOLUTION)
        : _ph_level_pin(ph_level_pin), _temp_pin(temp_pin),
          _calibration(calibration), _reading_interval(reading_interval),
          _reading_count(reading_count), _adc_resolution(adc_resolution) {}
 
    void init();
 
    void recalibrate(float calibration);
 
    float read_ph_level();
 
    float read_ph_level_single();
 
    int read_temp();
 
private:
    uint16_t _ph_level_pin;           
    uint16_t _temp_pin;              
    int _reading_interval;           
    int _reading_count;              
    float _calibration;             
    float _adc_resolution;          
};
 
#endif