twr_analog_sensor.h

#ifndef _TWR_ANALOG_SENSOR_H
#define _TWR_ANALOG_SENSOR_H
 
#include <twr_adc.h>
#include <twr_scheduler.h>
 
 
 
typedef enum
{
    TWR_ANALOG_SENSOR_EVENT_ERROR = 0,
 
    TWR_ANALOG_SENSOR_EVENT_UPDATE = 1
 
} twr_analog_sensor_event_t;
 
 
typedef struct twr_analog_sensor_t twr_analog_sensor_t;
 
 
typedef struct
{
    void (*init)(twr_analog_sensor_t *self);
 
    void (*enable)(twr_analog_sensor_t *self);
 
    void (*disable)(twr_analog_sensor_t *self);
 
    twr_tick_t (*get_settling_interval)(twr_analog_sensor_t *self);
 
} twr_analog_sensor_driver_t;
 
 
typedef enum
{
    TWR_ANALOG_SENSOR_STATE_ERROR = -1,
    TWR_ANALOG_SENSOR_STATE_ENABLE = 0,
    TWR_ANALOG_SENSOR_STATE_MEASURE = 1,
    TWR_ANALOG_SENSOR_STATE_DISABLE = 2,
    TWR_ANALOG_SENSOR_STATE_UPDATE = 3
 
} twr_analog_sensor_state_t;
 
struct twr_analog_sensor_t
{
    twr_adc_channel_t _adc_channel;
    const twr_analog_sensor_driver_t *_driver;
    twr_scheduler_task_id_t _task_id_interval;
    twr_scheduler_task_id_t _task_id_measure;
    void (*_event_handler)(twr_analog_sensor_t *, twr_analog_sensor_event_t, void *);
    void *_event_param;
    bool _measurement_active;
    twr_tick_t _update_interval;
    twr_analog_sensor_state_t _state;
    uint16_t _value;
};
 
 
 
void twr_analog_sensor_init(twr_analog_sensor_t *self, twr_adc_channel_t adc_channel, const twr_analog_sensor_driver_t *driver);
 
 
void twr_analog_sensor_set_event_handler(twr_analog_sensor_t *self, void (*event_handler)(twr_analog_sensor_t *, twr_analog_sensor_event_t, void *), void *event_param);
 
 
void twr_analog_sensor_set_update_interval(twr_analog_sensor_t *self, twr_tick_t interval);
 
 
bool twr_analog_sensor_measure(twr_analog_sensor_t *self);
 
 
bool twr_analog_sensor_get_result(twr_analog_sensor_t *self, void *result);
 
 
#endif // _TWR_ANALOG_SENSOR_H