feat: 添加 i2c_master_messager 组件，集成 BH1750 光照传感器支持

main/main.c

@@ -1,9 +1,16 @@
 #include <stdio.h>
+#include <inttypes.h>
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "esp_check.h"
 #include "wifi-connect.h"
 #include "lvgl_st7735s_use.h"
+#include "i2c_master_messager.h"
+
+#define BOTANY_I2C_PORT          I2C_NUM_0
+#define BOTANY_I2C_SCL_GPIO      GPIO_NUM_5
+#define BOTANY_I2C_SDA_GPIO      GPIO_NUM_4
+#define BOTANY_READ_PERIOD_MS    1000
 
 void app_main(void)
 {
@@ -13,8 +20,33 @@ void app_main(void)
 
     // 启动 LVGL 演示程序，显示简单的界面
     ESP_ERROR_CHECK(start_lvgl_demo());
+
+    i2c_master_messager_config_t i2c_cfg = {
+        .i2c_port = BOTANY_I2C_PORT,
+        .scl_io_num = BOTANY_I2C_SCL_GPIO,
+        .sda_io_num = BOTANY_I2C_SDA_GPIO,
+        .read_period_ms = BOTANY_READ_PERIOD_MS,
+        .bh1750_addr = 0x23,
+        .bh1750_mode = BH1750_CONTINUE_1LX_RES,
+    };
+
+    ESP_ERROR_CHECK(i2c_master_messager_init(&i2c_cfg));
+    ESP_ERROR_CHECK(i2c_master_messager_start());
+
     for (;;)
     {
+        i2c_master_messager_data_t sensor_data = {0};
+        if (i2c_master_messager_get_data(&sensor_data) == ESP_OK && sensor_data.bh1750.valid) {
+            char text[32] = {0};
+            snprintf(text, sizeof(text), "Light: %.1f lx", sensor_data.bh1750.lux);
+            ESP_ERROR_CHECK(lvgl_st7735s_set_center_text(text));
+            printf("[BH1750] lux=%.2f update_ms=%" PRId64 "\n",
+                   sensor_data.bh1750.lux,
+                   sensor_data.bh1750.last_update_ms);
+        } else {
+            ESP_ERROR_CHECK(lvgl_st7735s_set_center_text("Light: waiting..."));
+            printf("[BH1750] waiting data, err=0x%x\n", sensor_data.bh1750.last_error);
+        }
 
         vTaskDelay(pdMS_TO_TICKS(1000));
     }