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ESP32-RetroPlay / managed_components / espressif__led_strip / src / led_strip_rmt_encoder.h
@Jerry Xie Jerry Xie 19 days ago 977 bytes Initial Commit
/*
 * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#pragma once

#include <stdint.h>
#include "driver/rmt_encoder.h"
#include "led_strip_types.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief Type of led strip encoder configuration
 */
typedef struct {
    uint32_t resolution;   /*!< Encoder resolution, in Hz */
    led_model_t led_model; /*!< LED model */
} led_strip_encoder_config_t;

/**
 * @brief Create RMT encoder for encoding LED strip pixels into RMT symbols
 *
 * @param[in] config Encoder configuration
 * @param[out] ret_encoder Returned encoder handle
 * @return
 *      - ESP_ERR_INVALID_ARG for any invalid arguments
 *      - ESP_ERR_NO_MEM out of memory when creating led strip encoder
 *      - ESP_OK if creating encoder successfully
 */
esp_err_t rmt_new_led_strip_encoder(const led_strip_encoder_config_t *config, rmt_encoder_handle_t *ret_encoder);

#ifdef __cplusplus
}
#endif