改进esp8266的OTA升级

sdk/Arduino/Arduino-ESP8266/Helper.cpp

@@ -17,14 +17,14 @@ long monitorInterval = 1000;
 
 //==================================== 这是需要配置的项 ===============================
 // Wifi配置
-char *wifiSsid = "wifi账号";
-char *wifiPwd = "wifi密码";
+char *wifiSsid = "wumei";
+char *wifiPwd = "wumei-smart";
 
 // 设备信息配置
-String deviceNum = "D6329VL54419L1Y0";
+String deviceNum = "D6329VL548866";
 String userId = "1";
-String productId = "2";
-String firmwareVersion = "1.0";
+String productId = "41";
+float firmwareVersion = 1.0;
 // 经度和纬度可选，如果产品使用设备定位，则必须传
 float latitude=0;
 float longitude=0;
@@ -33,8 +33,8 @@ float longitude=0;
 char *mqttHost = "wumei.live";
 int mqttPort = 1883;
 char *mqttUserName = "wumei-smart";
-char *mqttPwd = "P5FJKZJHIR82GNB2";
-char mqttSecret[17] = "K63C4EA3AI5TER97";
+char *mqttPwd = "PHYFED93WSFF1DAS";
+char mqttSecret[17] = "K2V5DE28XNUU3497";
 // 产品启用授权码，则授权码不能为空
 String authCode="";
 
@@ -136,6 +136,18 @@ void callback(char *topic, byte *payload, unsigned int length)
   if (strcmp(topic, sOtaTopic.c_str()) == 0)
   {
     printMsg("订阅到设备升级指令...");
+    StaticJsonDocument<256> doc;
+    DeserializationError error = deserializeJson(doc, payload);
+    if (error)
+    {
+      Serial.print(F("deserializeJson() failed: "));
+      Serial.println(error.f_str());
+      return;
+    }
+    String newVersion = doc["version"];
+    String downloadUrl = doc["downloadUrl"];
+    printMsg("固件版本："+newVersion);
+    printMsg("下载地址："+downloadUrl);
   }
   else if (strcmp(topic, sNtpTopic.c_str()) == 0)
   {

sdk/Arduino/Arduino-ESP8266/Helper.h

@@ -23,7 +23,7 @@ extern String deviceNum ;      // 设备编号（重要，同时是Mqtt的client
 extern String userId;          // 用户ID
 extern String productId;       // 产品ID
 extern float rssi;             // 信号强度（信号极好4格[-55— 0]，信号好3格[-70— -55]，信号一般2格[-85— -70]，信号差1格[-100— -85]）
-extern String firmwareVersion; // 固件版本
+extern float firmwareVersion;  // 固件版本
 extern char *wifiSsid;         // WIFI的SSID
 extern char *wifiPwd;          // WIFI的密码
 extern char *mqttHost;         // Mqtt消息服务器地址