/*
 * SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#pragma once

#include <stdint.h>
#include "esp_err.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief LED strip handle
 */
typedef struct led_strip_t *led_strip_handle_t;

/**
 * @brief Set RGB for a specific pixel
 *
 * @param strip: LED strip
 * @param index: index of pixel to set
 * @param red: red part of color
 * @param green: green part of color
 * @param blue: blue part of color
 *
 * @return
 *      - ESP_OK: Set RGB for a specific pixel successfully
 *      - ESP_ERR_INVALID_ARG: Set RGB for a specific pixel failed because of invalid parameters
 *      - ESP_FAIL: Set RGB for a specific pixel failed because other error occurred
 */
esp_err_t led_strip_set_pixel(led_strip_handle_t strip, uint32_t index, uint32_t red, uint32_t green, uint32_t blue);

/**
 * @brief Refresh memory colors to LEDs
 *
 * @param strip: LED strip
 *
 * @return
 *      - ESP_OK: Refresh successfully
 *      - ESP_FAIL: Refresh failed because some other error occurred
 *
 * @note:
 *      After updating the LED colors in the memory, a following invocation of this API is needed to flush colors to strip.
 */
esp_err_t led_strip_refresh(led_strip_handle_t strip);

/**
 * @brief Clear LED strip (turn off all LEDs)
 *
 * @param strip: LED strip
 *
 * @return
 *      - ESP_OK: Clear LEDs successfully
 *      - ESP_FAIL: Clear LEDs failed because some other error occurred
 */
esp_err_t led_strip_clear(led_strip_handle_t strip);

/**
 * @brief Free LED strip resources
 *
 * @param strip: LED strip
 *
 * @return
 *      - ESP_OK: Free resources successfully
 *      - ESP_FAIL: Free resources failed because error occurred
 */
esp_err_t led_strip_del(led_strip_handle_t strip);

/**
 * @brief LED Strip Configuration
 */
typedef struct {
    uint32_t strip_gpio_num; /*!< GPIO number that used by LED strip */
    uint32_t max_leds;       /*!< Maximum LEDs in a single strip */
} led_strip_config_t;

/**
 * @brief Create LED strip based on RMT TX channel
 *
 * @param config LED strip specific configuration
 * @param ret_strip Returned LED strip handle
 * @return
 *      - ESP_OK: create LED strip handle successfully
 *      - ESP_ERR_INVALID_ARG: create LED strip handle failed because of invalid argument
 *      - ESP_ERR_NO_MEM: create LED strip handle failed because of out of memory
 *      - ESP_FAIL: create LED strip handle failed because some other error
 */
esp_err_t led_strip_new_rmt_device(const led_strip_config_t *config, led_strip_handle_t *ret_strip);

#ifdef __cplusplus
}
#endif
