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

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#ifndef DISPLAY_H
#define DISPLAY_H

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

// Display modes
typedef enum {
    DISPLAY_MODE_IDLE,
    DISPLAY_MODE_MEASURING,
    DISPLAY_MODE_RESULT
} display_mode_t;

// Display structure
typedef struct {
    display_mode_t mode;
    float value_to_display;     // Value in millimeters
    bool led_indicator_on;      // Object detection LED
    uint8_t segment_data[4];    // Seven-segment display data
} display_t;

// Initialize display
void display_init(display_t *display);

// Update display with measurement value
void display_update(display_t *display, float value_mm, bool object_detected);

// Set LED indicator state
void display_set_led_indicator(display_t *display, bool on);

// Convert float value to seven-segment display
void display_show_value(display_t *display, float value_mm);

// Clear display
void display_clear(display_t *display);

// Convert digit to seven-segment code
uint8_t display_digit_to_segments(uint8_t digit);

// Write to display hardware (to be implemented based on hardware)
void display_write_segments(uint8_t *segments, uint8_t count);

#endif // DISPLAY_H