rsgltzyd
7dc20b37a8
- 更新 CMakeLists.txt，添加新的源文件和依赖项以支持应用程序结构 - 移除旧的 main.c 和 lvgl_demo_ui.c 文件，整合应用逻辑至 app_main.c - 新增 app/ui_handlers.c 和 app/ui_handlers.h，准备处理 UI 事件 - 引入 bsp/display.c 和 bsp/touch.c，配置显示和触摸功能 - 添加 services/wifi_manager.c，管理 Wi-Fi 连接 - 组织 UI 组件和资源，提升代码可维护性与可读性 - 更新相关头文件和配置，确保项目兼容性与功能完整性
120 lines
3.7 KiB
C
120 lines
3.7 KiB
C
#include "lvgl_port.h"
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#include "board_config.h"
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#include "driver/spi_master.h"
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#include "esp_lcd_panel_ops.h"
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#include "esp_log.h"
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#include "esp_timer.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "sys/lock.h"
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#include "sys/param.h"
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#include "unistd.h"
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#include <assert.h>
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static const char *TAG = "lvgl_port";
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static _lock_t s_lvgl_api_lock;
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static bool notify_flush_ready(esp_lcd_panel_io_handle_t panel_io,
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esp_lcd_panel_io_event_data_t *edata,
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void *user_ctx)
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{
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(void)panel_io;
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(void)edata;
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lv_display_t *disp = (lv_display_t *)user_ctx;
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lv_display_flush_ready(disp);
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return false;
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}
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static void flush_cb(lv_display_t *disp, const lv_area_t *area, uint8_t *px_map)
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{
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esp_lcd_panel_handle_t panel_handle = lv_display_get_user_data(disp);
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int offsetx1 = area->x1;
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int offsetx2 = area->x2;
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int offsety1 = area->y1;
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int offsety2 = area->y2;
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lv_draw_sw_rgb565_swap(px_map,
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(offsetx2 + 1 - offsetx1) * (offsety2 + 1 - offsety1));
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esp_lcd_panel_draw_bitmap(panel_handle, offsetx1, offsety1, offsetx2 + 1,
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offsety2 + 1, px_map);
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}
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static void increase_lvgl_tick(void *arg)
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{
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(void)arg;
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lv_tick_inc(BOARD_LVGL_TICK_PERIOD_MS);
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}
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static void lvgl_port_task(void *arg)
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{
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(void)arg;
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ESP_LOGI(TAG, "Starting LVGL task");
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uint32_t time_till_next_ms = 0;
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while (1) {
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_lock_acquire(&s_lvgl_api_lock);
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time_till_next_ms = lv_timer_handler();
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_lock_release(&s_lvgl_api_lock);
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time_till_next_ms = MAX(time_till_next_ms, BOARD_LVGL_TASK_MIN_DELAY_MS);
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time_till_next_ms = MIN(time_till_next_ms, BOARD_LVGL_TASK_MAX_DELAY_MS);
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usleep(1000 * time_till_next_ms);
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}
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}
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void lvgl_port_lock(void)
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{
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_lock_acquire(&s_lvgl_api_lock);
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}
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void lvgl_port_unlock(void)
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{
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_lock_release(&s_lvgl_api_lock);
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}
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lv_display_t *lvgl_port_init(esp_lcd_panel_io_handle_t io_handle,
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esp_lcd_panel_handle_t panel_handle)
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{
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ESP_LOGI(TAG, "Initialize LVGL library");
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lv_init();
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lv_display_t *display =
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lv_display_create(BOARD_LCD_H_RES, BOARD_LCD_V_RES);
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size_t draw_buffer_sz = BOARD_LCD_H_RES * BOARD_LVGL_DRAW_BUF_LINES *
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sizeof(lv_color16_t);
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void *buf1 = spi_bus_dma_memory_alloc(BOARD_LCD_HOST, draw_buffer_sz, 0);
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assert(buf1);
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void *buf2 = spi_bus_dma_memory_alloc(BOARD_LCD_HOST, draw_buffer_sz, 0);
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assert(buf2);
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lv_display_set_buffers(display, buf1, buf2, draw_buffer_sz,
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LV_DISPLAY_RENDER_MODE_PARTIAL);
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lv_display_set_user_data(display, panel_handle);
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lv_display_set_color_format(display, LV_COLOR_FORMAT_RGB565);
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lv_display_set_flush_cb(display, flush_cb);
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ESP_LOGI(TAG, "Install LVGL tick timer");
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const esp_timer_create_args_t lvgl_tick_timer_args = {
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.callback = &increase_lvgl_tick,
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.name = "lvgl_tick",
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};
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esp_timer_handle_t lvgl_tick_timer = NULL;
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ESP_ERROR_CHECK(esp_timer_create(&lvgl_tick_timer_args, &lvgl_tick_timer));
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ESP_ERROR_CHECK(esp_timer_start_periodic(lvgl_tick_timer,
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BOARD_LVGL_TICK_PERIOD_MS * 1000));
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ESP_LOGI(TAG, "Register flush ready callback");
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const esp_lcd_panel_io_callbacks_t cbs = {
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.on_color_trans_done = notify_flush_ready,
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};
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ESP_ERROR_CHECK(
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esp_lcd_panel_io_register_event_callbacks(io_handle, &cbs, display));
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ESP_LOGI(TAG, "Create LVGL task");
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xTaskCreate(lvgl_port_task, "LVGL", BOARD_LVGL_TASK_STACK_SIZE, NULL,
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BOARD_LVGL_TASK_PRIORITY, NULL);
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return display;
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}
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