/*
 * SPDX-License-Identifier: AGPL-3.0-only
 * Copyright (c) Camden Dixie O'Brien
 */

#ifndef DISPLAY_DRIVER_H
#define DISPLAY_DRIVER_H

#include <stdbool.h>

typedef enum {
	DISPLAY_SEGMENT_A,
	DISPLAY_SEGMENT_B,
	DISPLAY_SEGMENT_C,
	DISPLAY_SEGMENT_D,
	DISPLAY_SEGMENT_E,
	DISPLAY_SEGMENT_F,
	DISPLAY_SEGMENT_G,
	DISPLAY_SEGMENT_DP,
	DISPLAY_SEGMENT_COUNT,
} DisplaySegment;

typedef enum {
	DISPLAY_DIGIT_1,
	DISPLAY_DIGIT_2,
	DISPLAY_DIGIT_3,
	DISPLAY_DIGIT_4,
	DISPLAY_DIGIT_COUNT,
} DisplayDigit;

typedef bool DisplayDigitState[DISPLAY_SEGMENT_COUNT];
typedef DisplayDigitState DisplayState[DISPLAY_DIGIT_COUNT];

/**
 * The current state of the display.
 */
extern DisplayState display_state;

/**
 * Initialize the display driver.
 */
void display_driver_init();

/**
 * Driver update task; should be ran regularly with a short period.
 */
void display_driver_task(void *arg);

#endif