#ifndef GPIO_H
#define GPIO_H

#include <stdint.h>

// Status states
typedef enum {
  LED_STATE_OFF,
  LED_STATE_ON,       // ok
  LED_STATE_WARNING,  // slow blink
  LED_STATE_ERROR,    // fast blink
  LED_STATE_BUSY      // "breathing"
} led_state_t;

// Initialize GPIO
void gpio_init(void);

// LED status handling
void led_status_set(led_state_t state);
void led_status_process(void);

#endif  // GPIO_H