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1. 测试了屏幕驱动，lvgl,触摸，驱动文件在Lib/Display当中。全部通过(修改了sdkconfig,以适配lvgl)

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2. 新增了优雅的C语言错误处理
This commit is contained in:
Misaki
2025-08-25 11:07:52 +08:00
parent ec33aa0483
commit 7fa73d6183
23 changed files with 4495 additions and 16 deletions
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Lib/Display/LVGL_Driver/LVGL_Driver.c
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#include "LVGL_Driver.h"
static const char *TAG_LVGL = "LVGL";
lv_disp_draw_buf_t disp_buf; // contains internal graphic buffer(s) called draw buffer(s)
lv_disp_drv_t disp_drv; // contains callback functions
lv_indev_drv_t indev_drv;
void example_increase_lvgl_tick(void *arg)
{
/* Tell LVGL how many milliseconds has elapsed */
lv_tick_inc(EXAMPLE_LVGL_TICK_PERIOD_MS);
}
void example_lvgl_flush_cb(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map)
{
esp_lcd_panel_handle_t panel_handle = (esp_lcd_panel_handle_t) drv->user_data;
int offsetx1 = area->x1;
int offsetx2 = area->x2;
int offsety1 = area->y1;
int offsety2 = area->y2;
// copy a buffer's content to a specific area of the display
esp_lcd_panel_draw_bitmap(panel_handle, offsetx1, offsety1, offsetx2 +1, offsety2 + 1, color_map);
lv_disp_flush_ready(drv);
}
/*Read the touchpad*/
void example_touchpad_read( lv_indev_drv_t * drv, lv_indev_data_t * data )
{
uint16_t touchpad_x[5] = {0};
uint16_t touchpad_y[5] = {0};
uint8_t touchpad_cnt = 0;
/* Read touch controller data */
esp_lcd_touch_read_data(drv->user_data);
/* Get coordinates */
bool touchpad_pressed = esp_lcd_touch_get_coordinates(drv->user_data, touchpad_x, touchpad_y, NULL, &touchpad_cnt, 5);
// printf("CCCCCCCCCCCCC=%d \r\n",touchpad_cnt);
if (touchpad_pressed && touchpad_cnt > 0) {
data->point.x = touchpad_x[0];
data->point.y = touchpad_y[0];
data->state = LV_INDEV_STATE_PR;
// printf("X=%u Y=%u num=%d \r\n", data->point.x, data->point.y,touchpad_cnt);
} else {
data->state = LV_INDEV_STATE_REL;
}
}
/* Rotate display and touch, when rotated screen in LVGL. Called when driver parameters are updated. */
void example_lvgl_port_update_callback(lv_disp_drv_t *drv)
{
esp_lcd_panel_handle_t panel_handle = (esp_lcd_panel_handle_t) drv->user_data;
switch (drv->rotated) {
case LV_DISP_ROT_NONE:
// Rotate LCD display
esp_lcd_panel_swap_xy(panel_handle, false);
esp_lcd_panel_mirror(panel_handle, true, false);
break;
case LV_DISP_ROT_90:
// Rotate LCD display
esp_lcd_panel_swap_xy(panel_handle, true);
esp_lcd_panel_mirror(panel_handle, true, true);
break;
case LV_DISP_ROT_180:
// Rotate LCD display
esp_lcd_panel_swap_xy(panel_handle, false);
esp_lcd_panel_mirror(panel_handle, false, true);
break;
case LV_DISP_ROT_270:
// Rotate LCD display
esp_lcd_panel_swap_xy(panel_handle, true);
esp_lcd_panel_mirror(panel_handle, false, false);
break;
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
lv_disp_t *disp;
void LVGL_Init(void)
{
ESP_LOGI(TAG_LVGL, "Initialize LVGL library");
lv_init();
lv_color_t *buf1 = heap_caps_malloc(LVGL_BUF_LEN * sizeof(lv_color_t), MALLOC_CAP_SPIRAM);
assert(buf1);
lv_color_t *buf2 = heap_caps_malloc(LVGL_BUF_LEN * sizeof(lv_color_t) , MALLOC_CAP_SPIRAM);
assert(buf2);
lv_disp_draw_buf_init(&disp_buf, buf1, buf2, LVGL_BUF_LEN); // initialize LVGL draw buffers
ESP_LOGI(TAG_LVGL, "Register display driver to LVGL");
lv_disp_drv_init(&disp_drv); // Create a new screen object and initialize the associated device
disp_drv.hor_res = EXAMPLE_LCD_WIDTH;
disp_drv.ver_res = EXAMPLE_LCD_HEIGHT; // Horizontal pixel count
// disp_drv.rotated = LV_DISP_ROT_90; // 图像旋转 // Vertical axis pixel count
disp_drv.flush_cb = example_lvgl_flush_cb; // Function : copy a buffer's content to a specific area of the display
disp_drv.drv_update_cb = example_lvgl_port_update_callback; // Function : Rotate display and touch, when rotated screen in LVGL. Called when driver parameters are updated.
disp_drv.draw_buf = &disp_buf; // LVGL will use this buffer(s) to draw the screens contents
disp_drv.user_data = panel_handle;
ESP_LOGI(TAG_LVGL,"Register display indev to LVGL"); // Custom display driver user data
disp = lv_disp_drv_register(&disp_drv);
lv_indev_drv_init ( &indev_drv );
indev_drv.type = LV_INDEV_TYPE_POINTER;
indev_drv.disp = disp;
indev_drv.read_cb = example_touchpad_read;
indev_drv.user_data = tp;
lv_indev_drv_register( &indev_drv );
/********************* LVGL *********************/
ESP_LOGI(TAG_LVGL, "Install LVGL tick timer");
// Tick interface for LVGL (using esp_timer to generate 2ms periodic event)
const esp_timer_create_args_t lvgl_tick_timer_args = {
.callback = &example_increase_lvgl_tick,
.name = "lvgl_tick"
};
esp_timer_handle_t lvgl_tick_timer = NULL;
ESP_ERROR_CHECK(esp_timer_create(&lvgl_tick_timer_args, &lvgl_tick_timer));
ESP_ERROR_CHECK(esp_timer_start_periodic(lvgl_tick_timer, EXAMPLE_LVGL_TICK_PERIOD_MS * 1000));
}
Lib/Display/LVGL_Driver/LVGL_Driver.h
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#pragma once
#include <stdio.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_timer.h"
#include "esp_err.h"
#include "esp_log.h"
#include "lvgl.h"
#include "demos/lv_demos.h"
#include "ST77916.h"
#define LVGL_BUF_LEN (EXAMPLE_LCD_WIDTH * EXAMPLE_LCD_HEIGHT / 20)
#define EXAMPLE_LVGL_TICK_PERIOD_MS 2
extern lv_disp_draw_buf_t disp_buf; // contains internal graphic buffer(s) called draw buffer(s)
extern lv_disp_drv_t disp_drv; // contains callback functions
extern lv_disp_t *disp;
void example_lvgl_flush_cb(lv_disp_drv_t *drv, const lv_area_t *area, lv_color_t *color_map);
/* Rotate display and touch, when rotated screen in LVGL. Called when driver parameters are updated. */
void example_lvgl_port_update_callback(lv_disp_drv_t *drv);
void example_increase_lvgl_tick(void *arg);
void LVGL_Init(void); // Call this function to initialize the screen (must be called in the main function) !!!!!