优化获取设备信息

lib/data/services/ble_manager.dart

@@ -159,7 +159,7 @@ class BleManager extends GetxService {
               final state = event['state'] as int;
               final oldState = _connectionState.value;
               _connectionState.value = state;
-              
+
               Logger.d('BleManager', '🔄 BLE状态更新: $oldState → $state');
               Logger.d('BleManager', '📡 通知监听器状态变化: ${_connectionState.value}');
 
@@ -418,7 +418,8 @@ class BleManager extends GetxService {
       } else {
         Logger.warning('电池信息获取指令发送失败');
       }
-
+      // 添加延迟
+      await Future.delayed(const Duration(seconds: 1));
       // 获取设备版本信息
       final versionResult = await _bleService.getDeviceVersion();
       if (versionResult) {
@@ -426,7 +427,8 @@ class BleManager extends GetxService {
       } else {
         Logger.warning('版本信息获取指令发送失败');
       }
-
+      // 添加延迟
+      await Future.delayed(const Duration(seconds: 1));
       // 获取产品id
       final productIdResult = await _bleService.getProductId();
       if (productIdResult) {
@@ -655,7 +657,7 @@ class BleManager extends GetxService {
   }
 
   // ==================== 配对相关方法 ====================
-  
+
   /// 检查设备是否支持Companion Device Manager
   Future<bool> isCompanionSupported() async {
     try {

lib/modules/ota_upgrade/controllers/ota_upgrade_controller.dart

@@ -20,21 +20,39 @@ class OtaUpgradeController extends GetxController {
   static const int CONNECTION_DISCONNECTION = 5; // 连接断开
   static const int CONNECTION_SUCCESS = 6; // 连接成功
   static const int DOWNLOADING_UP_FILES = 7; // 下载升级文件
+
+// 错误信息，用于存储错误提示
   final RxString errorMessage = ''.obs;
-  final RxBool isFetchingDeviceInfo = false.obs;
+
+// 最新版本号
   final RxString latestVersion = ''.obs;
+
+// 当前设备固件版本号
   final RxString currentVersion = ''.obs;
+
+// 更新包地址，用于下载更新文件
   String updatepackageaddress = '';
+
+// 下载进度，范围为 0.0 到 1.0
   final RxDouble downloadProgress = 0.0.obs;
 
+// 是否有可用更新的状态
   final isUpdateAvailable = true.obs;
-  //int currentProgress = 0; // 当前进度值，范围0-100
+
+// 当前升级进度，范围为 0.0 到 1.0
   final RxDouble progress = 0.0.obs;
+
+// OTA 单例实例，用于处理升级相关逻辑
   final jlota = Ota.instance;
 
+// 是否正在下载更新包的状态
   final RxBool isDownloading = false.obs;
-  // 蓝牙服务
+
+// 蓝牙管理服务，用于获取设备信息和通信
   final _bleManager = Get.find<BleManager>();
+  final maxRetryAttempts = 3; // 最大重试次数
+  int currentRetryCount = 0;
+  final RxBool isFetchingDeviceInfo = true.obs;
   @override
   void onInit() {
     super.onInit();
@@ -92,33 +110,38 @@ class OtaUpgradeController extends GetxController {
 
   Future<void> _getCurrentVersion() async {
     try {
+      isFetchingDeviceInfo.value = true;
+      errorMessage.value = '';
       // 添加获取设备信息的重试机制
       DeviceInfo? deviceInfo = _bleManager.deviceInfo.value;
 
-      // 第一次检查设备信息
-      if (deviceInfo == null) {
-        // 显示加载提示
-        isFetchingDeviceInfo.value = true;
+      // // 第一次检查设备信息
+      // if (deviceInfo == null) {
+      //   // 尝试重新获取设备信息
+      //   await _bleManager.fetchDeviceInfo();
+      // }
 
-        // 尝试重新获取设备信息
-        await _bleManager.fetchDeviceInfo();
-
-        // 等待后再次获取设备信息
+      while (currentRetryCount < maxRetryAttempts) {
         deviceInfo = _bleManager.deviceInfo.value;
-        isFetchingDeviceInfo.value = false;
 
-        // 仍然为空则抛出异常
-        if (deviceInfo == null) {
-          throw const FormatException('无法获取设备信息，请检查设备连接');
+        // 检查信息有效性
+        if (deviceInfo != null &&
+            deviceInfo.firmwareVersion.isNotEmpty &&
+            deviceInfo.firmwareProductId.isNotEmpty) {
+          break;
         }
-      }
 
-      // 检查固件信息有效性
-      if (deviceInfo.firmwareVersion.isEmpty ||
+        // 获取设备信息
+        await _bleManager.fetchDeviceInfo();
+        await Future.delayed(const Duration(seconds: 5));
+        currentRetryCount++;
+      }
+      // 最终验证
+      if (deviceInfo == null ||
+          deviceInfo.firmwareVersion.isEmpty ||
           deviceInfo.firmwareProductId.isEmpty) {
-        throw const FormatException('设备固件信息不完整');
+        throw "获取设备信息失败，请检查连接";
       }
-
       // 正常流程
       currentVersion.value = deviceInfo.firmwareVersion;
       print('getequipmentinfo,id: ${deviceInfo.firmwareProductId}');
@@ -134,7 +157,8 @@ class OtaUpgradeController extends GetxController {
 
       final resp = OtaConfigResp.fromJson(response);
       print('getequipmentinfo,resp.systemversion: ${resp.systemversion}');
-      latestVersion.value = "1";
+      latestVersion.value = resp.systemversion!;
+
       updatepackageaddress = resp.updatepackageaddress!;
 
       // 版本检查

lib/modules/ota_upgrade/views/ota_upgrade_view.dart

@@ -182,7 +182,7 @@ class OtaUpgradeView extends GetView<OtaUpgradeController> {
                 isDarkMode ? Colors.blue[300] : Colors.blue),
           ),
           SizedBox(height: 20),
-          Text('正在连接设备...',
+          Text('正在获取设备信息...',
               style:
                   TextStyle(color: isDarkMode ? Colors.grey[300] : Colors.grey))
         ],