在主应用中更新显示驱动和 MQTT 主题

- 将显示驱动从 lvgl_st7735s_use 改为 lvgl_st7789_use，在 CMakeLists.txt 和 main.c 中。
- 将 MQTT 警报主题从“topic/alert/esp32_iothome_001”更新为“topic/alert/esp32_iothome_002”。
- 重构 UI 任务，去除周期性屏幕切换逻辑，专注于界面刷新。
- 调整错误处理，使新的显示驱动程序用于错误信息。

README.md

@@ -21,7 +21,7 @@
 
 - `main/`：业务编排、控制循环、MQTT 回调对接
 - `components/wifi-connect/`：配网与路由连接
-- `components/lvgl_st7735s_use/`：LCD 与 LVGL 端口
+- `components/lvgl_st7789_use/`：LCD 与 LVGL 端口
 - `components/ui/`：界面对象与变量绑定
 - `components/i2c_master_messager/`：AHT30、BH1750 采集
 - `components/capactive_soil_moisture_sensor_V2.0/`：土壤湿度采集

components/lvgl_st7789_use/CMakeLists.txt

@@ -1,4 +1,4 @@
-idf_component_register(SRCS "lvgl_st7735s_use.c"
+idf_component_register(SRCS "lvgl_st7789_use.c"
                     INCLUDE_DIRS "include"
                     REQUIRES driver esp_lcd esp_lvgl_port
                     )

components/lvgl_st7789_use/README.md

@@ -1,6 +1,6 @@
-# lvgl_st7735s_use 组件说明
+# lvgl_st7789_use 组件说明
 
-`lvgl_st7735s_use` 是项目中的 LCD 显示组件，基于 `esp_lcd + esp_lvgl_port`，用于快速驱动 ST77xx 系列 SPI 屏并显示 LVGL 界面。
+`lvgl_st7789_use` 是项目中的 LCD 显示组件，基于 `esp_lcd + esp_lvgl_port`，用于快速驱动 ST7789 SPI 屏并显示 LVGL 界面。
 
 ---
 
@@ -17,19 +17,19 @@
 
 ## 对外 API
 
-头文件：`include/lvgl_st7735s_use.h`
+头文件：`include/lvgl_st7789_use.h`
 
 - `esp_err_t start_lvgl_demo(void);`
   - 完成 LCD + LVGL 初始化并创建默认界面
 
-- `esp_err_t lvgl_st7735s_set_center_text(const char *text);`
+- `esp_err_t lvgl_st7789_set_center_text(const char *text);`
   - 运行时更新中心标签文字（线程安全，内部已加锁）
 
 ---
 
 ## 关键配置项（可直接改宏）
 
-在 `include/lvgl_st7735s_use.h` 中：
+在 `include/lvgl_st7789_use.h` 中：
 
 ### 1) 屏幕与 SPI
 
@@ -38,9 +38,19 @@
 - `EXAMPLE_LCD_SPI_NUM`
 - `EXAMPLE_LCD_CMD_BITS` / `EXAMPLE_LCD_PARAM_BITS`
 
-建议：首次点亮优先用较低时钟（如 `10MHz`），稳定后再升频。
+建议：ST7789 默认可先用 `20MHz`，如出现花屏或不稳定再降到 `10MHz` 复测。
 
-### 2) 方向与偏移（重点）
+### 2) 颜色校准（重点）
+
+- `EXAMPLE_LCD_COLOR_ORDER_BGR`
+- `EXAMPLE_LCD_INVERT_COLOR`
+- `EXAMPLE_LCD_SWAP_BYTES`
+
+说明：
+- 出现“黑色发灰、红绿蓝偏紫/互串”时，优先调整这三项。
+- 建议从 `RGB + 不反色 + 不交换字节` 起步，再逐项切换。
+
+### 3) 方向与偏移（重点）
 
 - `EXAMPLE_LCD_GAP_X`
 - `EXAMPLE_LCD_GAP_Y`
@@ -49,10 +59,9 @@
 - `EXAMPLE_LCD_ROT_MIRROR_Y`
 
 说明：
-- 当前项目已验证一组可用参数（顺时针 90° + 26 偏移）。
 - 若出现“文字偏移/边缘花屏/方向反了”，优先微调上述宏，不要同时在多层重复旋转。
 
-### 3) 调试项
+### 4) 调试项
 
 - `EXAMPLE_LCD_ENABLE_COLOR_TEST`
   - `1`：上电先画 RGB 三色测试图（便于确认硬件链路）
@@ -64,12 +73,12 @@
 
 ```c
 #include "esp_check.h"
-#include "lvgl_st7735s_use.h"
+#include "lvgl_st7789_use.h"
 
 void app_main(void)
 {
     ESP_ERROR_CHECK(start_lvgl_demo());
-    ESP_ERROR_CHECK(lvgl_st7735s_set_center_text("BotanicalBuddy"));
+  ESP_ERROR_CHECK(lvgl_st7789_set_center_text("BotanicalBuddy"));
 }
 ```
 
@@ -80,7 +89,7 @@ void app_main(void)
 ### 1) 背光亮但没有内容
 
 优先排查：
-- 面板型号与驱动是否匹配（ST7735S / ST7789）
+- 面板型号与驱动是否匹配（当前应为 ST7789）
 - SPI 模式、时钟是否过高
 - 方向/偏移参数是否正确
 

components/lvgl_st7789_use/include/lvgl_st7789_use.h

@@ -8,7 +8,7 @@
 extern "C" {
 #endif
 
-/* LCD size */
+/* LCD size (ST7789 240x240) */
 #define EXAMPLE_LCD_H_RES   (240)
 #define EXAMPLE_LCD_V_RES   (240)
 
@@ -16,7 +16,7 @@ extern "C" {
 #define EXAMPLE_LCD_SPI_NUM         (SPI2_HOST)      // 使用SPI2主机接口进行通信
 
 /* LCD显示参数配置 */
-#define EXAMPLE_LCD_PIXEL_CLK_HZ    (10 * 1000 * 1000)  // 先用10MHz提高兼容性，点亮后再逐步升频
+#define EXAMPLE_LCD_PIXEL_CLK_HZ    (20 * 1000 * 1000)  // ST7789常用20MHz，兼顾稳定性与刷新速度
 
 /* LCD命令和参数配置 */
 #define EXAMPLE_LCD_CMD_BITS        (8)              // 命令位数为8位，用于发送LCD控制命令
@@ -27,12 +27,17 @@ extern "C" {
 #define EXAMPLE_LCD_DRAW_BUFF_DOUBLE (1)             // 启用双缓冲模式，提高显示流畅度
 #define EXAMPLE_LCD_DRAW_BUFF_HEIGHT (50)            // 绘图缓冲区高度为50行，影响刷新性能
 
+/* ST7789颜色配置（出现偏色时优先调整这三项） */
+#define EXAMPLE_LCD_COLOR_ORDER_BGR (0)              // 0: RGB, 1: BGR
+#define EXAMPLE_LCD_INVERT_COLOR    (1)              // 0: 正常色, 1: 反色
+#define EXAMPLE_LCD_SWAP_BYTES      (1)              // 0: 不交换RGB565高低字节, 1: 交换
+
 /* LCD背光配置 */
 #define EXAMPLE_LCD_BL_ON_LEVEL     (1)              // 背光开启电平为高电平(1)
 
-/* LCD方向/偏移配置（当前为顺时针90°，并保留26偏移） */
+/* LCD方向/偏移配置 */
-#define EXAMPLE_LCD_GAP_X           (1)
+#define EXAMPLE_LCD_GAP_X           (0)
-#define EXAMPLE_LCD_GAP_Y           (26)
+#define EXAMPLE_LCD_GAP_Y           (0)
 #define EXAMPLE_LCD_ROT_SWAP_XY     (1)
 #define EXAMPLE_LCD_ROT_MIRROR_X    (1)
 #define EXAMPLE_LCD_ROT_MIRROR_Y    (0)
@@ -49,7 +54,7 @@ extern "C" {
 #define EXAMPLE_LCD_GPIO_BL         (GPIO_NUM_NC)
 
 esp_err_t start_lvgl_demo(void);
-esp_err_t lvgl_st7735s_set_center_text(const char *text);
+esp_err_t lvgl_st7789_set_center_text(const char *text);
 
 #ifdef __cplusplus
 }

components/lvgl_st7789_use/lvgl_st7789_use.c

@@ -1,6 +1,6 @@
 #include <stdio.h>
 #include <stdlib.h>
-#include "lvgl_st7735s_use.h"
+#include "lvgl_st7789_use.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "driver/gpio.h"
@@ -13,7 +13,7 @@
 #include "esp_lcd_panel_ops.h"
 #include "esp_lvgl_port.h"
 
-static const char *TAG = "lvgl_st7735s_use";
+static const char *TAG = "lvgl_st7789_use";
 
 static esp_lcd_panel_io_handle_t lcd_io = NULL;
 static esp_lcd_panel_handle_t lcd_panel = NULL;
@@ -62,11 +62,15 @@ static esp_err_t app_lcd_init(void)
 {
     esp_err_t ret = ESP_OK;
 
+    if (EXAMPLE_LCD_GPIO_BL != GPIO_NUM_NC) {
         gpio_config_t bk_gpio_config = {
             .mode = GPIO_MODE_OUTPUT,
             .pin_bit_mask = 1ULL << EXAMPLE_LCD_GPIO_BL
         };
         ESP_ERROR_CHECK(gpio_config(&bk_gpio_config));
+    } else {
+        ESP_LOGW(TAG, "背光引脚未配置(GPIO_NUM_NC)，跳过背光GPIO初始化");
+    }
 
     ESP_LOGI(TAG, "初始化SPI总线");
     const spi_bus_config_t buscfg = {
@@ -95,9 +99,9 @@ static esp_err_t app_lcd_init(void)
     const esp_lcd_panel_dev_config_t panel_config = {
         .reset_gpio_num = EXAMPLE_LCD_GPIO_RST,
 #if ESP_IDF_VERSION < ESP_IDF_VERSION_VAL(6, 0, 0)
-        .rgb_endian = LCD_RGB_ENDIAN_RGB,
+        .rgb_endian = EXAMPLE_LCD_COLOR_ORDER_BGR ? LCD_RGB_ENDIAN_BGR : LCD_RGB_ENDIAN_RGB,
 #else
-        .rgb_ele_order = LCD_RGB_ELEMENT_ORDER_BGR,
+        .rgb_ele_order = EXAMPLE_LCD_COLOR_ORDER_BGR ? LCD_RGB_ELEMENT_ORDER_BGR : LCD_RGB_ELEMENT_ORDER_RGB,
 #endif
         .bits_per_pixel = EXAMPLE_LCD_BITS_PER_PIXEL,
     };
@@ -111,11 +115,18 @@ static esp_err_t app_lcd_init(void)
     ESP_GOTO_ON_ERROR(esp_lcd_panel_set_gap(lcd_panel, EXAMPLE_LCD_GAP_X, EXAMPLE_LCD_GAP_Y), err, TAG, "设置显示偏移失败");
     ESP_LOGI(TAG, "面板基准参数已应用: gap=(%d,%d)", EXAMPLE_LCD_GAP_X, EXAMPLE_LCD_GAP_Y);
 
-    ESP_GOTO_ON_ERROR(esp_lcd_panel_invert_color(lcd_panel, true), err, TAG, "设置反色失败");
+    ESP_GOTO_ON_ERROR(esp_lcd_panel_invert_color(lcd_panel, EXAMPLE_LCD_INVERT_COLOR), err, TAG, "设置反色失败");
     ESP_GOTO_ON_ERROR(esp_lcd_panel_disp_on_off(lcd_panel, true), err, TAG, "打开显示失败");
 
+    if (EXAMPLE_LCD_GPIO_BL != GPIO_NUM_NC) {
         ESP_RETURN_ON_ERROR(gpio_set_level(EXAMPLE_LCD_GPIO_BL, EXAMPLE_LCD_BL_ON_LEVEL), TAG, "背光引脚置位失败");
         ESP_LOGI(TAG, "背光已打开，电平=%d", EXAMPLE_LCD_BL_ON_LEVEL);
+    }
+
+    ESP_LOGI(TAG, "颜色参数: order=%s invert=%d swap_bytes=%d",
+             EXAMPLE_LCD_COLOR_ORDER_BGR ? "BGR" : "RGB",
+             EXAMPLE_LCD_INVERT_COLOR,
+             EXAMPLE_LCD_SWAP_BYTES);
 
     return ret;
 
@@ -172,7 +183,7 @@ static esp_err_t app_lvgl_init(void)
         .flags = {
             .buff_dma = true,
 #if LVGL_VERSION_MAJOR >= 9
-            .swap_bytes = false,
+            .swap_bytes = EXAMPLE_LCD_SWAP_BYTES,
 #endif
         }};
 
@@ -218,7 +229,7 @@ static void app_main_display(void)
  *
  * 该函数是程序的入口点，负责初始化LCD硬件、LVGL库，并显示主界面
  */
-esp_err_t lvgl_st7735s_set_center_text(const char *text)
+esp_err_t lvgl_st7789_set_center_text(const char *text)
 {
     ESP_RETURN_ON_FALSE(text != NULL, ESP_ERR_INVALID_ARG, TAG, "text is null");
     ESP_RETURN_ON_FALSE(s_center_label != NULL, ESP_ERR_INVALID_STATE, TAG, "label not ready");

components/mqtt_control/mqtt_control.c

@@ -17,9 +17,9 @@
 // MQTT 密码
 #define MQTT_PASSWORD "YTGui8979HI"
 // 传感器数据发布主题
-#define MQTT_SENSOR_TOPIC "topic/sensor/esp32_BotanicalBuddy_001"
+#define MQTT_SENSOR_TOPIC "topic/sensor/esp32_BotanicalBuddy_002"
 // 控制指令订阅主题
-#define MQTT_CONTROL_TOPIC "topic/control/esp32_BotanicalBuddy_001"
+#define MQTT_CONTROL_TOPIC "topic/control/esp32_BotanicalBuddy_002"
 
 
 static const char *TAG = "mqtt_control";  // 日志标签

components/ui/screens.c

@@ -22,101 +22,154 @@ lv_obj_t *tick_value_change_obj;
 // Screens
 //
 
-void create_screen_temperature() {
+void create_screen_main() {
     lv_obj_t *obj = lv_obj_create(0);
-    objects.temperature = obj;
+    objects.main = obj;
     lv_obj_set_pos(obj, 0, 0);
-    lv_obj_set_size(obj, 160, 80);
+    lv_obj_set_size(obj, 240, 240);
-    lv_obj_set_style_bg_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
+    lv_obj_set_style_bg_color(obj, lv_color_hex(0xff000000), LV_PART_MAIN | LV_STATE_DEFAULT);
     {
         lv_obj_t *parent_obj = obj;
         {
             lv_obj_t *obj = lv_label_create(parent_obj);
             objects.obj0 = obj;
-            lv_obj_set_pos(obj, 36, 0);
+            lv_obj_set_pos(obj, 16, 0);
             lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
-            lv_obj_set_style_text_color(obj, lv_color_hex(0xff000000), LV_PART_MAIN | LV_STATE_DEFAULT);
             lv_obj_set_style_text_font(obj, &ui_font_source_han_sans_sc_medium_22, LV_PART_MAIN | LV_STATE_DEFAULT);
+            lv_obj_set_style_text_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
             lv_label_set_text(obj, "空气温度");
         }
         {
             lv_obj_t *obj = lv_label_create(parent_obj);
             objects.obj1 = obj;
-            lv_obj_set_pos(obj, 7, 30);
+            lv_obj_set_pos(obj, 129, 2);
             lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
-            lv_obj_set_style_text_color(obj, lv_color_hex(0xff00ff48), LV_PART_MAIN | LV_STATE_DEFAULT);
-            lv_obj_set_style_text_font(obj, &ui_font_source_han_sans_sc_medium_36, LV_PART_MAIN | LV_STATE_DEFAULT);
-            lv_label_set_text(obj, "");
-        }
-        {
-            lv_obj_t *obj = lv_image_create(parent_obj);
-            objects.obj2 = obj;
-            lv_obj_set_pos(obj, 105, 23);
-            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
-            lv_image_set_src(obj, &img_temp);
-            lv_obj_set_style_bg_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
-            lv_obj_set_style_bg_opa(obj, 255, LV_PART_MAIN | LV_STATE_DEFAULT);
-        }
-    }
-    
-    tick_screen_temperature();
-}
-
-void tick_screen_temperature() {
-    {
-        const char *new_val = get_var_air_temperature();
-        const char *cur_val = lv_label_get_text(objects.obj1);
-        if (strcmp(new_val, cur_val) != 0) {
-            tick_value_change_obj = objects.obj1;
-            lv_label_set_text(objects.obj1, new_val);
-            tick_value_change_obj = NULL;
-        }
-    }
-}
-
-void create_screen_humidity() {
-    lv_obj_t *obj = lv_obj_create(0);
-    objects.humidity = obj;
-    lv_obj_set_pos(obj, 0, 0);
-    lv_obj_set_size(obj, 160, 80);
-    lv_obj_set_style_bg_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
-    lv_obj_set_style_bg_opa(obj, 255, LV_PART_MAIN | LV_STATE_DEFAULT);
-    {
-        lv_obj_t *parent_obj = obj;
-        {
-            lv_obj_t *obj = lv_label_create(parent_obj);
-            objects.obj3 = obj;
-            lv_obj_set_pos(obj, 36, 0);
-            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
-            lv_obj_set_style_text_color(obj, lv_color_hex(0xff000000), LV_PART_MAIN | LV_STATE_DEFAULT);
             lv_obj_set_style_text_font(obj, &ui_font_source_han_sans_sc_medium_22, LV_PART_MAIN | LV_STATE_DEFAULT);
+            lv_obj_set_style_text_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
             lv_label_set_text(obj, "空气湿度");
         }
         {
             lv_obj_t *obj = lv_label_create(parent_obj);
-            objects.obj4 = obj;
+            objects.obj2 = obj;
-            lv_obj_set_pos(obj, 7, 30);
+            lv_obj_set_pos(obj, 16, 77);
             lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
-            lv_obj_set_style_text_color(obj, lv_color_hex(0xffd81e06), LV_PART_MAIN | LV_STATE_DEFAULT);
+            lv_obj_set_style_text_font(obj, &ui_font_source_han_sans_sc_medium_22, LV_PART_MAIN | LV_STATE_DEFAULT);
-            lv_obj_set_style_text_font(obj, &ui_font_source_han_sans_sc_medium_36, LV_PART_MAIN | LV_STATE_DEFAULT);
+            lv_obj_set_style_text_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
+            lv_label_set_text(obj, "土壤湿度");
+        }
+        {
+            lv_obj_t *obj = lv_label_create(parent_obj);
+            objects.obj3 = obj;
+            lv_obj_set_pos(obj, 129, 79);
+            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+            lv_obj_set_style_text_font(obj, &ui_font_source_han_sans_sc_medium_22, LV_PART_MAIN | LV_STATE_DEFAULT);
+            lv_obj_set_style_text_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
+            lv_label_set_text(obj, "光照强度");
+        }
+        {
+            lv_obj_t *obj = lv_label_create(parent_obj);
+            objects.obj4 = obj;
+            lv_obj_set_pos(obj, 16, 38);
+            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+            lv_obj_set_style_text_font(obj, &ui_font_source_han_sans_sc_medium_22, LV_PART_MAIN | LV_STATE_DEFAULT);
+            lv_obj_set_style_text_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
+            lv_label_set_text(obj, "");
+        }
+        {
+            lv_obj_t *obj = lv_label_create(parent_obj);
+            objects.obj5 = obj;
+            lv_obj_set_pos(obj, 129, 38);
+            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+            lv_obj_set_style_text_font(obj, &ui_font_source_han_sans_sc_medium_22, LV_PART_MAIN | LV_STATE_DEFAULT);
+            lv_obj_set_style_text_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
+            lv_label_set_text(obj, "");
+        }
+        {
+            lv_obj_t *obj = lv_label_create(parent_obj);
+            objects.obj6 = obj;
+            lv_obj_set_pos(obj, 16, 116);
+            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+            lv_obj_set_style_text_font(obj, &ui_font_source_han_sans_sc_medium_22, LV_PART_MAIN | LV_STATE_DEFAULT);
+            lv_obj_set_style_text_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
+            lv_label_set_text(obj, "");
+        }
+        {
+            lv_obj_t *obj = lv_label_create(parent_obj);
+            objects.obj7 = obj;
+            lv_obj_set_pos(obj, 129, 116);
+            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+            lv_obj_set_style_text_font(obj, &ui_font_source_han_sans_sc_medium_22, LV_PART_MAIN | LV_STATE_DEFAULT);
+            lv_obj_set_style_text_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
             lv_label_set_text(obj, "");
         }
         {
             lv_obj_t *obj = lv_image_create(parent_obj);
-            objects.obj5 = obj;
+            lv_obj_set_pos(obj, 72, 27);
-            lv_obj_set_pos(obj, 105, 23);
+            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+            lv_image_set_src(obj, &img_temp);
+        }
+        {
+            lv_obj_t *obj = lv_image_create(parent_obj);
+            lv_obj_set_pos(obj, 192, 27);
             lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
             lv_image_set_src(obj, &img_humi);
-            lv_obj_set_style_bg_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
+        }
+        {
+            lv_obj_t *obj = lv_image_create(parent_obj);
+            lv_obj_set_pos(obj, 72, 105);
+            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+            lv_image_set_src(obj, &img_mois);
+        }
+        {
+            lv_obj_t *obj = lv_image_create(parent_obj);
+            lv_obj_set_pos(obj, 192, 105);
+            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+            lv_image_set_src(obj, &img_light);
+        }
+        {
+            lv_obj_t *obj = lv_line_create(parent_obj);
+            objects.obj8 = obj;
+            lv_obj_set_pos(obj, 0, 75);
+            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+            static lv_point_precise_t line_points[] = {
+                { 0, 0 },
+                { 240, 0 }
+            };
+            lv_line_set_points(obj, line_points, 2);
+            lv_obj_set_style_line_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
+        }
+        {
+            lv_obj_t *obj = lv_line_create(parent_obj);
+            objects.obj9 = obj;
+            lv_obj_set_pos(obj, 0, 160);
+            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+            static lv_point_precise_t line_points[] = {
+                { 0, 0 },
+                { 240, 0 }
+            };
+            lv_line_set_points(obj, line_points, 2);
+            lv_obj_set_style_line_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
+        }
+        {
+            lv_obj_t *obj = lv_line_create(parent_obj);
+            objects.obj10 = obj;
+            lv_obj_set_pos(obj, 120, 0);
+            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+            static lv_point_precise_t line_points[] = {
+                { 0, 0 },
+                { 0, 160 }
+            };
+            lv_line_set_points(obj, line_points, 2);
+            lv_obj_set_style_line_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
         }
     }
     
-    tick_screen_humidity();
+    tick_screen_main();
 }
 
-void tick_screen_humidity() {
+void tick_screen_main() {
     {
-        const char *new_val = get_var_air_humidity();
+        const char *new_val = get_var_air_temperature();
         const char *cur_val = lv_label_get_text(objects.obj4);
         if (strcmp(new_val, cur_val) != 0) {
             tick_value_change_obj = objects.obj4;
@@ -124,51 +177,26 @@ void tick_screen_humidity() {
             tick_value_change_obj = NULL;
         }
     }
-}
-
-void create_screen_moisture() {
-    lv_obj_t *obj = lv_obj_create(0);
-    objects.moisture = obj;
-    lv_obj_set_pos(obj, 0, 0);
-    lv_obj_set_size(obj, 160, 80);
-    lv_obj_set_style_bg_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
-    lv_obj_set_style_bg_opa(obj, 255, LV_PART_MAIN | LV_STATE_DEFAULT);
     {
-        lv_obj_t *parent_obj = obj;
+        const char *new_val = get_var_air_humidity();
-        {
+        const char *cur_val = lv_label_get_text(objects.obj5);
-            lv_obj_t *obj = lv_label_create(parent_obj);
+        if (strcmp(new_val, cur_val) != 0) {
-            objects.obj6 = obj;
+            tick_value_change_obj = objects.obj5;
-            lv_obj_set_pos(obj, 36, 0);
+            lv_label_set_text(objects.obj5, new_val);
-            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+            tick_value_change_obj = NULL;
-            lv_obj_set_style_text_color(obj, lv_color_hex(0xff000000), LV_PART_MAIN | LV_STATE_DEFAULT);
-            lv_obj_set_style_text_font(obj, &ui_font_source_han_sans_sc_medium_22, LV_PART_MAIN | LV_STATE_DEFAULT);
-            lv_label_set_text(obj, "土壤湿度");
-        }
-        {
-            lv_obj_t *obj = lv_label_create(parent_obj);
-            objects.obj7 = obj;
-            lv_obj_set_pos(obj, 7, 30);
-            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
-            lv_obj_set_style_text_color(obj, lv_color_hex(0xff1296db), LV_PART_MAIN | LV_STATE_DEFAULT);
-            lv_obj_set_style_text_font(obj, &ui_font_source_han_sans_sc_medium_36, LV_PART_MAIN | LV_STATE_DEFAULT);
-            lv_label_set_text(obj, "");
-        }
-        {
-            lv_obj_t *obj = lv_image_create(parent_obj);
-            objects.obj8 = obj;
-            lv_obj_set_pos(obj, 105, 23);
-            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
-            lv_image_set_src(obj, &img_mois);
-            lv_obj_set_style_bg_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
         }
     }
-    
-    tick_screen_moisture();
-}
-
-void tick_screen_moisture() {
     {
         const char *new_val = get_var_soil_moisture();
+        const char *cur_val = lv_label_get_text(objects.obj6);
+        if (strcmp(new_val, cur_val) != 0) {
+            tick_value_change_obj = objects.obj6;
+            lv_label_set_text(objects.obj6, new_val);
+            tick_value_change_obj = NULL;
+        }
+    }
+    {
+        const char *new_val = get_var_light_intensity();
         const char *cur_val = lv_label_get_text(objects.obj7);
         if (strcmp(new_val, cur_val) != 0) {
             tick_value_change_obj = objects.obj7;
@@ -178,64 +206,9 @@ void tick_screen_moisture() {
     }
 }
 
-void create_screen_intensity() {
-    lv_obj_t *obj = lv_obj_create(0);
-    objects.intensity = obj;
-    lv_obj_set_pos(obj, 0, 0);
-    lv_obj_set_size(obj, 160, 80);
-    lv_obj_set_style_bg_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
-    lv_obj_set_style_bg_opa(obj, 255, LV_PART_MAIN | LV_STATE_DEFAULT);
-    {
-        lv_obj_t *parent_obj = obj;
-        {
-            lv_obj_t *obj = lv_label_create(parent_obj);
-            objects.obj9 = obj;
-            lv_obj_set_pos(obj, 36, 0);
-            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
-            lv_obj_set_style_text_color(obj, lv_color_hex(0xff000000), LV_PART_MAIN | LV_STATE_DEFAULT);
-            lv_obj_set_style_text_font(obj, &ui_font_source_han_sans_sc_medium_22, LV_PART_MAIN | LV_STATE_DEFAULT);
-            lv_label_set_text(obj, "光照强度");
-        }
-        {
-            lv_obj_t *obj = lv_label_create(parent_obj);
-            objects.obj10 = obj;
-            lv_obj_set_pos(obj, 7, 30);
-            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
-            lv_obj_set_style_text_color(obj, lv_color_hex(0xff13227a), LV_PART_MAIN | LV_STATE_DEFAULT);
-            lv_obj_set_style_text_font(obj, &ui_font_source_han_sans_sc_medium_36, LV_PART_MAIN | LV_STATE_DEFAULT);
-            lv_label_set_text(obj, "");
-        }
-        {
-            lv_obj_t *obj = lv_image_create(parent_obj);
-            objects.obj11 = obj;
-            lv_obj_set_pos(obj, 105, 23);
-            lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
-            lv_image_set_src(obj, &img_light);
-            lv_obj_set_style_bg_color(obj, lv_color_hex(0xffffffff), LV_PART_MAIN | LV_STATE_DEFAULT);
-        }
-    }
-    
-    tick_screen_intensity();
-}
-
-void tick_screen_intensity() {
-    {
-        const char *new_val = get_var_light_intensity();
-        const char *cur_val = lv_label_get_text(objects.obj10);
-        if (strcmp(new_val, cur_val) != 0) {
-            tick_value_change_obj = objects.obj10;
-            lv_label_set_text(objects.obj10, new_val);
-            tick_value_change_obj = NULL;
-        }
-    }
-}
-
 typedef void (*tick_screen_func_t)();
 tick_screen_func_t tick_screen_funcs[] = {
-    tick_screen_temperature,
+    tick_screen_main,
-    tick_screen_humidity,
-    tick_screen_moisture,
-    tick_screen_intensity,
 };
 void tick_screen(int screen_index) {
     tick_screen_funcs[screen_index]();
@@ -335,8 +308,5 @@ void create_screens() {
     
     // Initialize screens
     // Create screens
-    create_screen_temperature();
+    create_screen_main();
-    create_screen_humidity();
-    create_screen_moisture();
-    create_screen_intensity();
 }

components/ui/screens.h

@@ -11,18 +11,12 @@ extern "C" {
 
 enum ScreensEnum {
     _SCREEN_ID_FIRST = 1,
-    SCREEN_ID_TEMPERATURE = 1,
+    SCREEN_ID_MAIN = 1,
-    SCREEN_ID_HUMIDITY = 2,
+    _SCREEN_ID_LAST = 1
-    SCREEN_ID_MOISTURE = 3,
-    SCREEN_ID_INTENSITY = 4,
-    _SCREEN_ID_LAST = 4
 };
 
 typedef struct _objects_t {
-    lv_obj_t *temperature;
+    lv_obj_t *main;
-    lv_obj_t *humidity;
-    lv_obj_t *moisture;
-    lv_obj_t *intensity;
     lv_obj_t *obj0;
     lv_obj_t *obj1;
     lv_obj_t *obj2;
@@ -34,22 +28,12 @@ typedef struct _objects_t {
     lv_obj_t *obj8;
     lv_obj_t *obj9;
     lv_obj_t *obj10;
-    lv_obj_t *obj11;
 } objects_t;
 
 extern objects_t objects;
 
-void create_screen_temperature();
+void create_screen_main();
-void tick_screen_temperature();
+void tick_screen_main();
-
-void create_screen_humidity();
-void tick_screen_humidity();
-
-void create_screen_moisture();
-void tick_screen_moisture();
-
-void create_screen_intensity();
-void tick_screen_intensity();
 
 void tick_screen_by_id(enum ScreensEnum screenId);
 void tick_screen(int screen_index);

components/ui/ui.c

@@ -23,7 +23,7 @@ void loadScreen(enum ScreensEnum screenId) {
 
 void ui_init() {
     create_screens();
-    loadScreen(SCREEN_ID_TEMPERATURE);
+    loadScreen(SCREEN_ID_MAIN);
 
 }
 

main/CMakeLists.txt

@@ -1,4 +1,4 @@
 idf_component_register(SRCS "main.c" "auto_ctrl_thresholds.c" "auto_alerts.c" "status_web.c"
                     INCLUDE_DIRS "."
-                    REQUIRES wifi-connect mqtt_control esp_lvgl_port lvgl_st7735s_use i2c_master_messager io_device_control console_simple_init console console_user_cmds capactive_soil_moisture_sensor_V2.0 ui esp_app_format
+                    REQUIRES wifi-connect mqtt_control esp_lvgl_port lvgl_st7789_use i2c_master_messager io_device_control console_simple_init console console_user_cmds capactive_soil_moisture_sensor_V2.0 ui esp_app_format
                     )

main/main.c

@@ -6,7 +6,7 @@
 #include "esp_check.h"
 #include "esp_log.h"
 #include "wifi-connect.h"
-#include "lvgl_st7735s_use.h"
+#include "lvgl_st7789_use.h"
 #include "i2c_master_messager.h"
 #include "io_device_control.h"
 #include "console_simple_init.h" // 提供 console_cmd_user_register 和 console_cmd_all_register
@@ -62,7 +62,7 @@
 // I2C 内部上拉使能
 #define BOTANY_I2C_INTERNAL_PULLUP CONFIG_I2C_MASTER_MESSAGER_ENABLE_INTERNAL_PULLUP
 // MQTT 告警主题
-#define BOTANY_MQTT_ALERT_TOPIC "topic/alert/esp32_iothome_001"
+#define BOTANY_MQTT_ALERT_TOPIC "topic/alert/esp32_iothome_002"
 // MQTT 遥测数据上报周期（毫秒）
 #define BOTANY_MQTT_TELEMETRY_PERIOD_MS 5000
 #define BOTANY_STATUS_WEB_PORT 8080
@@ -415,7 +415,7 @@ static void auto_control_update(bool soil_valid,
 /**
  * @brief UI 任务函数
  *
- * 负责定期切换显示页面（每3秒切换一次）。
+ * 负责定期驱动 UI 刷新。
  *
  * @param arg 任务参数（未使用）
  */
@@ -423,29 +423,11 @@ static void ui_task(void *arg)
 {
     (void)arg;
 
-    uint32_t elapsed_ms = 0;
-    enum ScreensEnum current = SCREEN_ID_TEMPERATURE;
-    const uint32_t switch_period_ms = 3000; // 每3秒切一次
-
     for (;;)
     {
         lvgl_port_lock(0);
         ui_tick();
 
-        elapsed_ms += 20;
-        if (elapsed_ms >= switch_period_ms) {
-            elapsed_ms = 0;
-
-            // 下一个页面：1->2->3->4->1
-            if (current >= _SCREEN_ID_LAST) {
-                current = _SCREEN_ID_FIRST;
-            } else {
-                current = (enum ScreensEnum)(current + 1);
-            }
-
-            loadScreen(current);
-        }
-
         lvgl_port_unlock();
         vTaskDelay(pdMS_TO_TICKS(20));
     }
@@ -532,7 +514,7 @@ void app_main(void)
     {
         ESP_LOGE(TAG, "I2C 传感器管理启动失败: %s", esp_err_to_name(ret));
         ESP_LOGW(TAG, "请检查 I2C 引脚/上拉电阻/端口占用情况，系统将继续运行但不采集传感器");
-        ESP_ERROR_CHECK(lvgl_st7735s_set_center_text("I2C init failed"));
+        ESP_ERROR_CHECK(lvgl_st7789_set_center_text("I2C init failed"));
     }
     else
     {