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65 lines
2.3 KiB
C
65 lines
2.3 KiB
C
/*
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* SPDX-FileCopyrightText: 2021 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 <stdbool.h>
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#include "esp_err.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct esp_lcd_panel_io_t esp_lcd_panel_io_t; /*!< Type of LCD panel IO */
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/**
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* @brief LCD panel IO interface
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*/
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struct esp_lcd_panel_io_t {
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/**
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* @brief Transmit LCD command and corresponding parameters
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*
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* @note This is the panel-specific interface called by function `esp_lcd_panel_io_tx_param()`.
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*
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* @param[in] io LCD panel IO handle, which is created by other factory API like `esp_lcd_new_panel_io_spi()`
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* @param[in] lcd_cmd The specific LCD command
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* @param[in] param Buffer that holds the command specific parameters, set to NULL if no parameter is needed for the command
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* @param[in] param_size Size of `param` in memory, in bytes, set to zero if no parameter is needed for the command
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* @return
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* - ESP_ERR_INVALID_ARG if parameter is invalid
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* - ESP_OK on success
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*/
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esp_err_t (*tx_param)(esp_lcd_panel_io_t *io, int lcd_cmd, const void *param, size_t param_size);
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/**
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* @brief Transmit LCD RGB data
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*
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* @note This is the panel-specific interface called by function `esp_lcd_panel_io_tx_color()`.
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*
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* @param[in] io LCD panel IO handle, which is created by other factory API like `esp_lcd_new_panel_io_spi()`
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* @param[in] lcd_cmd The specific LCD command
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* @param[in] color Buffer that holds the RGB color data
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* @param[in] color_size Size of `color` in memory, in bytes
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* @return
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* - ESP_ERR_INVALID_ARG if parameter is invalid
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* - ESP_OK on success
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*/
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esp_err_t (*tx_color)(esp_lcd_panel_io_t *io, int lcd_cmd, const void *color, size_t color_size);
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/**
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* @brief Destory LCD panel IO handle (deinitialize all and free resource)
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*
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* @param[in] io LCD panel IO handle, which is created by other factory API like `esp_lcd_new_panel_io_spi()`
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* @return
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* - ESP_ERR_INVALID_ARG if parameter is invalid
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* - ESP_OK on success
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*/
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esp_err_t (*del)(esp_lcd_panel_io_t *io);
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};
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#ifdef __cplusplus
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}
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#endif
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