twr_sps30.h

#ifndef _TWR_SPS30_H
#define _TWR_SPS30_H
 
#include <twr_i2c.h>
#include <twr_scheduler.h>
 
 
 
typedef enum
{
    TWR_SPS30_EVENT_ERROR = 0,
 
    TWR_SPS30_EVENT_UPDATE = 1
 
} twr_sps30_event_t;
 
 
typedef struct twr_sps30_t twr_sps30_t;
 
 
typedef enum
{
    TWR_SPS30_STATE_ERROR = -1,
    TWR_SPS30_STATE_READY = 0,
    TWR_SPS30_STATE_INITIALIZE = 1,
    TWR_SPS30_STATE_GET_SERIAL_NUMBER = 2,
    TWR_SPS30_STATE_READ_SERIAL_NUMBER = 3,
    TWR_SPS30_STATE_START_MEASUREMENT = 4,
    TWR_SPS30_STATE_SET_DATAREADY_FLAG = 5,
    TWR_SPS30_STATE_READ_DATAREADY_FLAG = 6,
    TWR_SPS30_STATE_GET_MEASUREMENT_DATA = 7,
    TWR_SPS30_STATE_READ_MEASUREMENT_DATA = 8,
    TWR_SPS30_STATE_STOP_MEASUREMENT = 9
 
} twr_sps30_state_t;
 
 
typedef struct
{
    float mc_1p0;
 
    float mc_2p5;
 
    float mc_4p0;
 
    float mc_10p0;
 
} twr_sps30_mass_concentration_t;
 
 
typedef struct
{
    float nc_0p5;
 
    float nc_1p0;
 
    float nc_2p5;
 
    float nc_4p0;
 
    float nc_10p0;
 
} twr_sps30_number_concentration_t;
 
struct twr_sps30_t
{
    twr_i2c_channel_t _i2c_channel;
    uint8_t _i2c_address;
    twr_scheduler_task_id_t _task_id_interval;
    twr_scheduler_task_id_t _task_id_measure;
    void (*_event_handler)(twr_sps30_t *, twr_sps30_event_t, void *);
    void *_event_param;
    twr_tick_t _update_interval;
    twr_sps30_state_t _state;
    bool _measurement_valid;
    twr_sps30_mass_concentration_t _mass_concentration;
    twr_sps30_number_concentration_t _number_concentration;
    float _typical_particle_size;
    twr_tick_t _startup_time;
    twr_tick_t _start_time;
};
 
 
 
void twr_sps30_init(twr_sps30_t *self, twr_i2c_channel_t i2c_channel, uint8_t i2c_address);
 
 
void twr_sps30_set_event_handler(twr_sps30_t *self, void (*event_handler)(twr_sps30_t *, twr_sps30_event_t, void *), void *event_param);
 
 
void twr_sps30_set_startup_time(twr_sps30_t *self, twr_tick_t startup_time);
 
 
void twr_sps30_set_update_interval(twr_sps30_t *self, twr_tick_t interval);
 
 
bool twr_sps30_measure(twr_sps30_t *self);
 
 
bool twr_sps30_get_mass_concentration(twr_sps30_t *self, twr_sps30_mass_concentration_t *mass_concentration);
 
 
bool twr_sps30_get_number_concentration(twr_sps30_t *self, twr_sps30_number_concentration_t *number_concentration);
 
 
bool twr_sps30_get_typical_particle_size(twr_sps30_t *self, float *typical_particle_size);
 
 
#endif // _TWR_SPS30_H