dk_buttons_and_leds.h

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/*
 * Copyright (c) 2018 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef DK_BUTTON_AND_LEDS_H__
#define DK_BUTTON_AND_LEDS_H__
 
#include <zephyr/types.h>
#include <zephyr/sys/slist.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define DK_NO_LEDS_MSK    (0)
#define DK_LED1           0
#define DK_LED2           1
#define DK_LED3           2
#define DK_LED4           3
#define DK_LED1_MSK       BIT(DK_LED1)
#define DK_LED2_MSK       BIT(DK_LED2)
#define DK_LED3_MSK       BIT(DK_LED3)
#define DK_LED4_MSK       BIT(DK_LED4)
#define DK_ALL_LEDS_MSK   (DK_LED1_MSK | DK_LED2_MSK |\
                           DK_LED3_MSK | DK_LED4_MSK)
 
#define DK_NO_BTNS_MSK   (0)
#define DK_BTN1          0
#define DK_BTN2          1
#define DK_BTN3          2
#define DK_BTN4          3
#define DK_BTN1_MSK      BIT(DK_BTN1)
#define DK_BTN2_MSK      BIT(DK_BTN2)
#define DK_BTN3_MSK      BIT(DK_BTN3)
#define DK_BTN4_MSK      BIT(DK_BTN4)
#define DK_ALL_BTNS_MSK  (DK_BTN1_MSK | DK_BTN2_MSK | \
                          DK_BTN3_MSK | DK_BTN4_MSK)
typedef void (*button_handler_t)(uint32_t button_state, uint32_t has_changed);
 
struct button_handler {
        button_handler_t cb; 
        sys_snode_t node; 
};
 
int dk_leds_init(void);
 
int dk_buttons_init(button_handler_t button_handler);
 
void dk_button_handler_add(struct button_handler *handler);
 
int dk_button_handler_remove(struct button_handler *handler);
 
void dk_read_buttons(uint32_t *button_state, uint32_t *has_changed);
 
uint32_t dk_get_buttons(void);
 
int dk_set_leds(uint32_t leds);
 
 
int dk_set_leds_state(uint32_t leds_on_mask, uint32_t leds_off_mask);
 
int dk_set_led(uint8_t led_idx, uint32_t val);
 
int dk_set_led_on(uint8_t led_idx);
 
int dk_set_led_off(uint8_t led_idx);
 
#ifdef __cplusplus
}
#endif
 
#endif /* DK_BUTTON_AND_LEDS_H__ */