button.h

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#ifndef BUTTON_H_
#define BUTTON_H_
 
#include <stdint.h>
 
#include "io.h"
#include "stm32f401re.h"
#include "stm32f401re_gpio.h"
#include "err.h"


typedef enum {

    BUTTON_PUSHED_TYPE_LOW,

    BUTTON_PUSHED_TYPE_HIGH
 
} BUTTON_PUSHED_TYPE_te;

typedef struct {

    char name[CONFIG_BUTTON_MAX_NAME_LEN];

    GPIO_REGDEF_ts *gpio_port;

    GPIO_PIN_te gpio_pin;

    BUTTON_PUSHED_TYPE_te pushed_type;

    uint32_t debounce_limit_ms;

    uint32_t held_limit_ms;
 
} BUTTON_CFG_ts;

typedef struct button_handle_s BUTTON_HANDLE_ts;



ERR_te button_init_subsys(void);

ERR_te button_deinit_subsys(void);

ERR_te button_start_subsys(void);

ERR_te button_stop_subsys(void);

ERR_te button_init_handle(BUTTON_CFG_ts *button_cfg, BUTTON_HANDLE_ts **button_handle);

ERR_te button_deinit_handle(BUTTON_HANDLE_ts const *button_handle);

ERR_te button_run_handle(BUTTON_HANDLE_ts *button_handle);

ERR_te button_run_handle_all(void);

ERR_te button_get_pushed_state(BUTTON_HANDLE_ts const *button_handle, bool *pushed_state_o);

ERR_te button_get_held_state(BUTTON_HANDLE_ts const *button_handle, bool *held_state_o);

 
#endif