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Merge pull request #255 from espressif/bsp/generic_lcd
bsp: Add display and touch support to gerenic BSP.
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
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| /** | ||
| * @file | ||
| * @brief BSP LCD | ||
| * | ||
| * This file offers API for basic LCD control. | ||
| * It is useful for users who want to use the LCD without the default Graphical Library LVGL. | ||
| * | ||
| * For standard LCD initialization with LVGL graphical library, you can call all-in-one function bsp_display_start(). | ||
| */ | ||
|
|
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| #pragma once | ||
| #include "sdkconfig.h" | ||
| #include "esp_lcd_types.h" | ||
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| /* LCD color formats */ | ||
| #define ESP_LCD_COLOR_FORMAT_RGB565 (1) | ||
| #define ESP_LCD_COLOR_FORMAT_RGB888 (2) | ||
|
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| /* LCD display color format */ | ||
| #define BSP_LCD_COLOR_FORMAT (ESP_LCD_COLOR_FORMAT_RGB565) | ||
| /* LCD display color bytes endianess */ | ||
| #define BSP_LCD_BIGENDIAN (1) | ||
| /* LCD display color bits */ | ||
| #define BSP_LCD_BITS_PER_PIXEL (16) | ||
| /* LCD display color space */ | ||
| #if defined(CONFIG_BSP_DISPLAY_COLOR_SPACE_RGB) | ||
| #define BSP_LCD_COLOR_SPACE (ESP_LCD_COLOR_SPACE_RGB) | ||
| #elif defined(CONFIG_BSP_DISPLAY_COLOR_SPACE_BGR) | ||
| #define BSP_LCD_COLOR_SPACE (ESP_LCD_COLOR_SPACE_BGR) | ||
| #endif | ||
|
|
||
| #ifdef __cplusplus | ||
| extern "C" { | ||
| #endif | ||
|
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| /** | ||
| * @brief BSP display configuration structure | ||
| * | ||
| */ | ||
| typedef struct { | ||
| int max_transfer_sz; /*!< Maximum transfer size, in bytes. */ | ||
| } bsp_display_config_t; | ||
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|
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| /** | ||
| * @brief Create new display panel | ||
| * | ||
| * For maximum flexibility, this function performs only reset and initialization of the display. | ||
| * You must turn on the display explicitly by calling esp_lcd_panel_disp_on_off(). | ||
| * The display's backlight is not turned on either. You can use bsp_display_backlight_on/off(), | ||
| * bsp_display_brightness_set() (on supported boards) or implement your own backlight control. | ||
| * | ||
| * If you want to free resources allocated by this function, you can use esp_lcd API, ie.: | ||
| * | ||
| * \code{.c} | ||
| * esp_lcd_panel_del(panel); | ||
| * esp_lcd_panel_io_del(io); | ||
| * spi_bus_free(spi_num_from_configuration); | ||
| * \endcode | ||
| * | ||
| * @param[in] config display configuration | ||
| * @param[out] ret_panel esp_lcd panel handle | ||
| * @param[out] ret_io esp_lcd IO handle | ||
| * @return | ||
| * - ESP_OK On success | ||
| * - Else esp_lcd failure | ||
| */ | ||
| esp_err_t bsp_display_new(const bsp_display_config_t *config, esp_lcd_panel_handle_t *ret_panel, esp_lcd_panel_io_handle_t *ret_io); | ||
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| #ifdef __cplusplus | ||
| } | ||
| #endif |
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