/******************************************************************************
 * File:        HAL_LED_priv.h
 * Component:   HAL_LED
 * Description: Private header — pixel struct, control struct with the
 *              pixel buffer, and extern config array declaration.
 *
 * Layer:       HAL - internal use only
 *****************************************************************************/

#ifndef HAL_LED_PRIV_H
#define HAL_LED_PRIV_H

#include "HAL_LED.h"
#include "HAL_LED_cfg.h"

extern const HAL_LED_tstrConfig HAL_LED_astrConfig[HAL_LED_NUM_INSTANCES];

/* ------------------------------------------------------------------------ */
/*                    PIXEL STRUCTURE                                         */
/* ------------------------------------------------------------------------ */

/**
 * @brief  Per-LED color data in GRB order (matching WS2812 protocol).
 *
 * Stored after intensity scaling has been applied, so these values
 * are the actual brightnesses sent to the hardware.
 */
typedef struct
{
    u8 u8Green;
    u8 u8Red;
    u8 u8Blue;
} HAL_LED_tstrPixel;

/* ------------------------------------------------------------------------ */
/*                    CONTROL STRUCTURE                                       */
/* ------------------------------------------------------------------------ */

/**
 * @brief  Internal runtime state for all HAL_LED instances.
 *
 * astrPixels is a 2D array: [instance][led_index]. Each pixel holds
 * the intensity-scaled GRB values ready to be packed into 32-bit words
 * for the PIO FIFO.
 */
typedef struct
{
    HAL_LED_tstrPixel astrPixels[HAL_LED_NUM_INSTANCES][HAL_LED_MAX_LEDS_PER_INSTANCE];
} HAL_LED_tstrControl;

#endif /* HAL_LED_PRIV_H */