kopia lustrzana https://github.com/espressif/esp-idf
130 wiersze
7.1 KiB
C
130 wiersze
7.1 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
#pragma once
|
|
|
|
#include <stdbool.h>
|
|
#include "esp_err.h"
|
|
#include "esp_lcd_types.h"
|
|
#include "soc/soc_caps.h"
|
|
#include "hal/lcd_types.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#if SOC_LCD_RGB_SUPPORTED
|
|
/**
|
|
* @brief LCD RGB timing structure
|
|
* @verbatim
|
|
* Total Width
|
|
* <--------------------------------------------------->
|
|
* HSYNC width HBP Active Width HFP
|
|
* <---><--><--------------------------------------><--->
|
|
* ____ ____|_______________________________________|____|
|
|
* |___| | | |
|
|
* | | |
|
|
* __| | | |
|
|
* /|\ /|\ | | | |
|
|
* | VSYNC| | | | |
|
|
* |Width\|/ |__ | | |
|
|
* | /|\ | | | |
|
|
* | VBP | | | | |
|
|
* | \|/_____|_________|_______________________________________| |
|
|
* | /|\ | | / / / / / / / / / / / / / / / / / / / | |
|
|
* | | | |/ / / / / / / / / / / / / / / / / / / /| |
|
|
* Total | | | |/ / / / / / / / / / / / / / / / / / / /| |
|
|
* Height | | | |/ / / / / / / / / / / / / / / / / / / /| |
|
|
* |Active| | |/ / / / / / / / / / / / / / / / / / / /| |
|
|
* |Heigh | | |/ / / / / / Active Display Area / / / /| |
|
|
* | | | |/ / / / / / / / / / / / / / / / / / / /| |
|
|
* | | | |/ / / / / / / / / / / / / / / / / / / /| |
|
|
* | | | |/ / / / / / / / / / / / / / / / / / / /| |
|
|
* | | | |/ / / / / / / / / / / / / / / / / / / /| |
|
|
* | | | |/ / / / / / / / / / / / / / / / / / / /| |
|
|
* | \|/_____|_________|_______________________________________| |
|
|
* | /|\ | |
|
|
* | VFP | | |
|
|
* \|/ \|/_____|______________________________________________________|
|
|
* @endverbatim
|
|
*/
|
|
typedef struct {
|
|
unsigned int pclk_hz; /*!< Frequency of pixel clock */
|
|
unsigned int h_res; /*!< Horizontal resolution, i.e. the number of pixels in a line */
|
|
unsigned int v_res; /*!< Vertical resolution, i.e. the number of lines in the frame */
|
|
unsigned int hsync_pulse_width; /*!< Horizontal sync width, unit: PCLK period */
|
|
unsigned int hsync_back_porch; /*!< Horizontal back porch, number of PCLK between hsync and start of line active data */
|
|
unsigned int hsync_front_porch; /*!< Horizontal front porch, number of PCLK between the end of active data and the next hsync */
|
|
unsigned int vsync_pulse_width; /*!< Vertical sync width, unit: number of lines */
|
|
unsigned int vsync_back_porch; /*!< Vertical back porch, number of invalid lines between vsync and start of frame */
|
|
unsigned int vsync_front_porch; /*!< Vertical front porch, number of invalid lines between the end of frame and the next vsync */
|
|
struct {
|
|
unsigned int hsync_idle_low: 1; /*!< The hsync signal is low in IDLE state */
|
|
unsigned int vsync_idle_low: 1; /*!< The vsync signal is low in IDLE state */
|
|
unsigned int de_idle_high: 1; /*!< The de signal is high in IDLE state */
|
|
unsigned int pclk_active_neg: 1; /*!< Whether the display data is clocked out on the falling edge of PCLK */
|
|
unsigned int pclk_idle_high: 1; /*!< The PCLK stays at high level in IDLE phase */
|
|
} flags;
|
|
} esp_lcd_rgb_timing_t;
|
|
|
|
/**
|
|
* @brief Type of RGB LCD panel event data
|
|
*/
|
|
typedef struct {
|
|
} esp_lcd_rgb_panel_event_data_t;
|
|
|
|
/**
|
|
* @brief Declare the prototype of the function that will be invoked when panel IO finishes transferring color data
|
|
*
|
|
* @param[in] panel LCD panel handle, returned from `esp_lcd_new_rgb_panel`
|
|
* @param[in] edata Panel event data, fed by driver
|
|
* @param[in] user_ctx User data, passed from `esp_lcd_rgb_panel_config_t`
|
|
* @return Whether a high priority task has been waken up by this function
|
|
*/
|
|
typedef bool (*esp_lcd_rgb_panel_frame_trans_done_cb_t)(esp_lcd_panel_handle_t panel, esp_lcd_rgb_panel_event_data_t *edata, void *user_ctx);
|
|
|
|
/**
|
|
* @brief LCD RGB panel configuration structure
|
|
*/
|
|
typedef struct {
|
|
lcd_clock_source_t clk_src; /*!< Clock source for the RGB LCD peripheral */
|
|
esp_lcd_rgb_timing_t timings; /*!< RGB timing parameters */
|
|
size_t data_width; /*!< Number of data lines */
|
|
size_t sram_trans_align; /*!< Alignment for framebuffer that allocated in SRAM */
|
|
size_t psram_trans_align; /*!< Alignment for framebuffer that allocated in PSRAM */
|
|
int hsync_gpio_num; /*!< GPIO used for HSYNC signal */
|
|
int vsync_gpio_num; /*!< GPIO used for VSYNC signal */
|
|
int de_gpio_num; /*!< GPIO used for DE signal, set to -1 if it's not used */
|
|
int pclk_gpio_num; /*!< GPIO used for PCLK signal */
|
|
int data_gpio_nums[SOC_LCD_RGB_DATA_WIDTH]; /*!< GPIOs used for data lines */
|
|
int disp_gpio_num; /*!< GPIO used for display control signal, set to -1 if it's not used */
|
|
esp_lcd_rgb_panel_frame_trans_done_cb_t on_frame_trans_done; /*!< Callback invoked when one frame buffer has transferred done */
|
|
void *user_ctx; /*!< User data which would be passed to on_frame_trans_done's user_ctx */
|
|
struct {
|
|
unsigned int disp_active_low: 1; /*!< If this flag is enabled, a low level of display control signal can turn the screen on; vice versa */
|
|
unsigned int relax_on_idle: 1; /*!< If this flag is enabled, the host won't refresh the LCD if nothing changed in host's frame buffer (this is usefull for LCD with built-in GRAM) */
|
|
unsigned int fb_in_psram: 1; /*!< If this flag is enabled, the frame buffer will be allocated from PSRAM preferentially */
|
|
} flags;
|
|
} esp_lcd_rgb_panel_config_t;
|
|
|
|
/**
|
|
* @brief Create RGB LCD panel
|
|
*
|
|
* @param rgb_panel_config RGB panel configuration
|
|
* @param ret_panel Returned LCD panel handle
|
|
* @return
|
|
* - ESP_ERR_INVALID_ARG if parameter is invalid
|
|
* - ESP_ERR_NO_MEM if out of memory
|
|
* - ESP_ERR_NOT_FOUND if no free RGB panel is available
|
|
* - ESP_OK on success
|
|
*/
|
|
esp_err_t esp_lcd_new_rgb_panel(const esp_lcd_rgb_panel_config_t *rgb_panel_config, esp_lcd_panel_handle_t *ret_panel);
|
|
|
|
#endif // SOC_LCD_RGB_SUPPORTED
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|