#ifndef __MZAPO_LED_STRIP_H__
#define __MZAPO_LED_STRIP_H__

#include <stdint.h>

#define LED_STRIP_COUNT 32

#ifdef __cplusplus
extern "C" {
#endif

  typedef struct {
    volatile uint32_t *mem_base;
    uint8_t load;

    uint8_t on_index;
    uint8_t on_around_index;

    uint32_t strip;
  } mzapo_ledstrip_t;

  /**
   * @brief Create ledstrip with state
   * 
   * @param mem_base virtual memory address where ledstrip data are saved
   * @return mzapo_ledstrip_t 
   */
  mzapo_ledstrip_t ledstrip_create(volatile uint32_t *mem_base);

  /**
   * @brief Turn off all leds on ledstrip
   * 
   * @param ledstrip 
   */
  void ledstrip_clear(mzapo_ledstrip_t *ledstrip);

  /**
   * @brief Turn on led on index and some around it
   * 
   * @param ledstrip 
   * @param index what led to turn on
   * @param around how many leds around to left and right to turn on (around * 2 + 1 leds will be turned on)
   */
  void ledstrip_turn_on(mzapo_ledstrip_t *ledstrip, uint8_t index, uint8_t around);

  /**
   * @brief Turn on leds from 0 to steps to indicate progress bar
   * 
   * @param ledstrip 
   * @param steps how many steps out of LED_STRIP_COUNT
   */
  void ledstrip_progress_bar_step(mzapo_ledstrip_t *ledstrip, int8_t steps);

#ifdef __cplusplus
} /* extern "C"*/
#endif

#endif // __MZAPO_LED_STRIP_H__