ObjectMeasurementProject/sensor.h at main · Radifical/ObjectMeasurementProject · GitHub

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#ifndef SENSOR_H
#define SENSOR_H

#include <stdint.h>
#include <stdbool.h>

// Sensor states
typedef enum {
    SENSOR_NO_OBJECT,
    SENSOR_OBJECT_DETECTED,
    SENSOR_STABLE
} sensor_state_t;

// Sensor reading structure
typedef struct {
    sensor_state_t state;
    bool current_reading;
    bool last_reading;
    uint32_t detection_start_time;
    uint32_t detection_end_time;
    bool object_present;
    uint32_t debounce_counter;
} sensor_t;

// Initialize sensor
void sensor_init(sensor_t *sensor);

// Read sensor input (digital HIGH/LOW)
bool sensor_read(sensor_t *sensor);

// Check if object is detected (with debouncing)
bool sensor_is_object_detected(sensor_t *sensor);

// Update sensor state
void sensor_update(sensor_t *sensor, uint32_t current_time);

// Get sensor state
sensor_state_t sensor_get_state(sensor_t *sensor);

// Reset sensor detection timestamps
void sensor_reset(sensor_t *sensor);

#endif // SENSOR_H