/*
 * MTG RFID Companion - WS2812B Neopixel LED manager (RMT)
 *
 * Phase 7 Step 7.3: Single WS2812B driver on GPIO 27. LED holds the last
 * transmitted color until it is overwritten.
 */

#pragma once

#include "esp_err.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief Initialize RMT TX channel for the Neopixel.
 */
esp_err_t led_manager_init(void);

/**
 * @brief Set the LED color immediately (GRB order internally).
 */
esp_err_t led_manager_set_color(uint8_t r, uint8_t g, uint8_t b);

/**
 * @brief Turn the LED off.
 */
esp_err_t led_manager_off(void);

#ifdef __cplusplus
}
#endif