led.h

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#ifndef _LED_H_
#define _LED_H_

#include <stdint.h>

#define MAX_LEDS    4

#define MAX_SLOTS   16

#define SLOT_0      (1 << 0)
#define SLOT_1      (1 << 1)
#define SLOT_2      (1 << 2)
#define SLOT_3      (1 << 3)
#define SLOT_4      (1 << 4)
#define SLOT_5      (1 << 5)
#define SLOT_6      (1 << 6)
#define SLOT_7      (1 << 7)
#define SLOT_8      (1 << 8)
#define SLOT_9      (1 << 9)
#define SLOT_10     (1 << 10)
#define SLOT_11     (1 << 11)
#define SLOT_12     (1 << 12)
#define SLOT_13     (1 << 13)
#define SLOT_14     (1 << 14)
#define SLOT_15     (1 << 15)

#define ON_OFF_SLOTS_PERIOD_2_DUTY_50   (SLOT_0 | SLOT_2 | SLOT_4 | SLOT_6 | SLOT_8 | SLOT_10 | SLOT_12 | SLOT_14)
#define ON_OFF_SLOTS_PERIOD_4_DUTY_50   (SLOT_0 | SLOT_1 | SLOT_4 | SLOT_5 | SLOT_8 | SLOT_9 | SLOT_12 | SLOT_13)
#define ON_OFF_SLOTS_PERIOD_8_DUTY_50   (SLOT_0 | SLOT_1 | SLOT_2 | SLOT_3 | SLOT_8 | SLOT_9 | SLOT_10 | SLOT_11)
#define ON_OFF_SLOTS_PERIOD_16_DUTY_50  (SLOT_0 | SLOT_1 | SLOT_2 | SLOT_3 | SLOT_4 | SLOT_5 | SLOT_6 | SLOT_7)

enum led_state {
    LED_OFF = 0,
    LED_ON = 1,
    LED_BLINK = 2
};

enum led_mode {
    LED_ACTIVE_LOW = 0,
    LED_ACTIVE_HIGH = 1
};


void led_init(void);

void led_set(uint8_t num, enum led_state state);

void led_blink(uint8_t num, uint16_t led_on_mask, uint8_t repeat);

enum led_state led_get(uint8_t num);

void led_toggle(uint8_t num);

#endif /* _LED_H_ */