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https://github.com/ByteWelder/Tactility.git
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100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
/*
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* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <stdint.h>
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#include "esp_err.h"
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#include "esp32_led_strip_types.h"
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#include "esp_idf_version.h"
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#include "driver/rmt_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief LED Strip RMT specific configuration
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*/
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typedef struct {
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rmt_clock_source_t clk_src; /*!< RMT clock source */
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uint32_t resolution_hz; /*!< RMT tick resolution, if set to zero, a default resolution (10MHz) will be applied */
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size_t mem_block_symbols; /*!< How many RMT symbols can one RMT channel hold at one time. Set to 0 will fallback to use the default size. */
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/*!< Extra RMT specific driver flags */
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struct led_strip_rmt_extra_config {
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uint32_t with_dma: 1; /*!< Use DMA to transmit data */
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} flags; /*!< Extra driver flags */
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} led_strip_rmt_config_t;
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/**
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* @brief Create LED strip based on RMT TX channel
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*
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* @param led_config LED strip configuration
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* @param rmt_config RMT specific configuration
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* @param ret_strip Returned LED strip handle
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* @return
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* - ESP_OK: create LED strip handle successfully
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* - ESP_ERR_INVALID_ARG: create LED strip handle failed because of invalid argument
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* - ESP_ERR_NO_MEM: create LED strip handle failed because of out of memory
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* - ESP_FAIL: create LED strip handle failed because some other error
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*/
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esp_err_t led_strip_new_rmt_device(const led_strip_config_t *led_config, const led_strip_rmt_config_t *rmt_config, led_strip_handle_t *ret_strip);
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/**
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* @brief Set RGB for a specific pixel
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*
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* @param strip: LED strip
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* @param index: index of pixel to set
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* @param red: red part of color
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* @param green: green part of color
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* @param blue: blue part of color
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*
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* @return
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* - ESP_OK: Set RGB for a specific pixel successfully
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* - ESP_ERR_INVALID_ARG: Set RGB for a specific pixel failed because of invalid parameters
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* - ESP_FAIL: Set RGB for a specific pixel failed because other error occurred
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*/
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esp_err_t led_strip_rmt_set_pixel(led_strip_handle_t strip, uint32_t index, uint32_t red, uint32_t green, uint32_t blue);
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/**
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* @brief Refresh memory colors to LEDs
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*
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* @param strip: LED strip
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*
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* @return
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* - ESP_OK: Refresh successfully
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* - ESP_FAIL: Refresh failed because some other error occurred
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*
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* @note:
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* After updating the LED colors in the memory, a following invocation of this API is needed to flush colors to strip.
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*/
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esp_err_t led_strip_rmt_refresh(led_strip_handle_t strip);
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/**
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* @brief Clear LED strip (turn off all LEDs)
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*
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* @param strip: LED strip
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*
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* @return
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* - ESP_OK: Clear LEDs successfully
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* - ESP_FAIL: Clear LEDs failed because some other error occurred
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*/
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esp_err_t led_strip_rmt_clear(led_strip_handle_t strip);
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/**
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* @brief Free LED strip resources
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*
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* @param strip: LED strip
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*
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* @return
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* - ESP_OK: Free resources successfully
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* - ESP_FAIL: Free resources failed because error occurred
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*/
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esp_err_t led_strip_rmt_del(led_strip_handle_t strip);
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#ifdef __cplusplus
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}
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#endif
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