/* epd.h - E-Paper Display library API */

#ifndef EPD_H_
#define EPD_H_

/* Includes */
#include "stddef.h"
#include "stdint.h"
#include "stdbool.h"

/* Data Structures */
typedef int (*epd_spi_write)(const uint8_t *, size_t, void *);
typedef void (*epd_spi_cs)(bool, void *);
typedef void (*epd_gpo_dc)(bool, void *);
typedef void (*epd_gpo_rst)(bool, void *);
typedef bool (*epd_gpi_busy)(void *);
typedef void (*epd_sleep_ms)(uint32_t, void *);
typedef struct epd_config_s {
    epd_spi_write spi_write;
    epd_spi_cs spi_cs;
    epd_gpo_dc dc;
    epd_gpo_rst rst;
    epd_gpi_busy busy;
    epd_sleep_ms sleep_ms;
    void *udata;
} epd_config_t;
typedef struct epd_s {
    epd_config_t cfg;
} epd_t;

/* Function Prototypes */
void epd_init(epd_t *epd, epd_config_t *cfg);

#endif /* EPD_H_ */