mirror of
https://gitee.com/beecue/fastbee.git
synced 2025-12-17 16:36:03 +08:00
251 lines
7.5 KiB
C++
251 lines
7.5 KiB
C++
/***********************************************************
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* function： 设备交互
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* board: esp8266 core for arduino v3.0.2
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* library： PubSubClient2.8.0 & ArduinoJson6.19.1
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* source: https://github.com/kerwincui/wumei-smart
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***********************************************************/
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#include "Mqtt.h"
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// 订阅的主题
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String prefix = "/" + productId + "/" + deviceNum;
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String sInfoTopic = prefix + "/info/get";
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String sOtaTopic = prefix + "/ota/get";
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String sNtpTopic = prefix + "/ntp/get";
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String sPropertyTopic = prefix + "/property/get";
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String sFunctionTopic = prefix + "/function/get";
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String sPropertyOnline = prefix + "/property-online/get";
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String sFunctionOnline = prefix + "/function-online/get";
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String sMonitorTopic = prefix + "/monitor/get";
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// 发布的主题
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String pInfoTopic = prefix + "/info/post";
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String pNtpTopic = prefix + "/ntp/post";
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String pPropertyTopic = prefix + "/property/post";
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String pFunctionTopic = prefix + "/function/post";
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String pMonitorTopic = prefix + "/monitor/post";
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String pEventTopic = prefix + "/event/post";
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// 物模型-属性处理
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void processProperty(String payload)
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{
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StaticJsonDocument<1024> doc;
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DeserializationError error = deserializeJson(doc, payload);
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if (error) {
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Serial.print(F("deserializeJson() failed: "));
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Serial.println(error.f_str());
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return;
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}
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for (JsonObject object : doc.as<JsonArray>())
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{
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// 匹配云端定义的属性（不包含属性中的监测数据）
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const char* id = object["id"];
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const char* value = object["value"];
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printMsg((String)id + "：" + (String)value);
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}
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// 最后发布属性，服务端订阅存储（重要）
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publishProperty(payload);
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}
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// 物模型-功能处理
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void processFunction(String payload)
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{
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StaticJsonDocument<1024> doc;
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DeserializationError error = deserializeJson(doc, payload);
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if (error) {
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Serial.print(F("deserializeJson() failed: "));
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Serial.println(error.f_str());
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return;
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}
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for (JsonObject object : doc.as<JsonArray>())
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{
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// 匹配云端定义的功能
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const char* id = object["id"];
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const char* value = object["value"];
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if (strcmp(id, "switch") == 0)
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{
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printMsg("开关 switch：" + (String) value);
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}
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else if (strcmp(id, "gear") == 0)
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{
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printMsg("档位 gear：" + (String)value);
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}
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else if (strcmp(id, "light_color") == 0)
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{
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printMsg("灯光颜色 light_color：" + (String)value);
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}
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else if (strcmp(id, "message") == 0)
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{
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printMsg("屏显消息 message：" + (String)value);
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}else if(strcmp(id,"report_monitor")==0){
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String msg=randomPropertyData();
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printMsg("订阅到上报监测数据指令，上报数据：");
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printMsg(msg);
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publishProperty(msg);
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}
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}
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// 最后发布功能,服务端订阅存储（重要）
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publishFunction(payload);
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}
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// Mqtt回调
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void mqttCallback(char *topic, byte *payload, unsigned int length)
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{
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blink();
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printMsg("接收数据：");
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String data = "";
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for (int i = 0; i < length; i++)
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{
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Serial.print((char)payload[i]);
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data += (char)payload[i];
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}
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if (strcmp(topic, sOtaTopic.c_str()) == 0)
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{
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printMsg("订阅到设备升级指令...");
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StaticJsonDocument<256> doc;
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DeserializationError error = deserializeJson(doc, payload);
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if (error)
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{
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Serial.print(F("deserializeJson() failed: "));
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Serial.println(error.f_str());
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return;
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}
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String newVersion = doc["version"];
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String downloadUrl = doc["downloadUrl"];
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printMsg("固件版本："+newVersion);
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printMsg("下载地址："+downloadUrl);
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}
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else if (strcmp(topic, sInfoTopic.c_str()) == 0)
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{
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printMsg("订阅到设备信息...");
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// 发布设备信息
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publishInfo();
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}
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else if (strcmp(topic, sNtpTopic.c_str()) == 0)
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{
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printMsg("订阅到NTP时间...");
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StaticJsonDocument<256> doc;
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DeserializationError error = deserializeJson(doc, payload);
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if (error)
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{
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Serial.print(F("deserializeJson() failed: "));
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Serial.println(error.f_str());
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return;
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}
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// 计算设备当前时间：(${serverRecvTime} + ${serverSendTime} + ${deviceRecvTime} - ${deviceSendTime}) / 2
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float deviceSendTime = doc["deviceSendTime"];
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float serverSendTime = doc["serverSendTime"];
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float serverRecvTime = doc["serverRecvTime"];
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float deviceRecvTime = millis();
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float now = (serverSendTime + serverRecvTime + deviceRecvTime - deviceSendTime) / 2;
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printMsg("当前时间：" + String(now, 0));
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}
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else if (strcmp(topic, sPropertyTopic.c_str()) == 0 || strcmp(topic, sPropertyOnline.c_str()) == 0)
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{
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printMsg("订阅到属性指令...");
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processProperty(data);
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}
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else if (strcmp(topic, sFunctionTopic.c_str()) == 0 || strcmp(topic, sFunctionOnline.c_str()) == 0)
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{
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printMsg("订阅到功能指令...");
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processFunction(data);
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}
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else if (strcmp(topic, sMonitorTopic.c_str()) == 0)
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{
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printMsg("订阅到实时监测指令...");
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StaticJsonDocument<128> doc;
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DeserializationError error = deserializeJson(doc, payload);
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if (error)
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{
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Serial.print(F("deserializeJson() failed: "));
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Serial.println(error.f_str());
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return;
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}
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monitorCount = doc["count"];
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monitorInterval = doc["interval"];
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}
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}
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// 1.发布设备信息
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void publishInfo()
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{
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StaticJsonDocument<256> doc;
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doc["rssi"] = WiFi.RSSI();
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doc["firmwareVersion"] = firmwareVersion;
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doc["status"] = 3; // （1-未激活，2-禁用，3-在线，4-离线）
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doc["userId"] = (String)userId;
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doc["longitude"] = longitude; //经度 可选
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doc["latitude"] = latitude; // 纬度 可选
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// 设备摘要,可选（自定义配置信息）
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JsonObject summary = doc.createNestedObject("summary");
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summary["name"]="wumei-smart";
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summary["chip"]="esp8266";
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summary["author"]="kerwincui";
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summary["version"]=1.6;
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summary["create"]="2022-06-06";
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printMsg("发布设备信息:");
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serializeJson(doc, Serial);
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String output;
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serializeJson(doc, output);
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mqttClient.publish(pInfoTopic.c_str(), output.c_str());
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}
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// 2.发布时钟同步信，用于获取当前时间(可选)
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void publishNtp()
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{
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StaticJsonDocument<128> doc;
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doc["deviceSendTime"] = millis();
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printMsg("发布NTP信息:");
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serializeJson(doc, Serial);
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String output;
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serializeJson(doc, output);
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mqttClient.publish(pNtpTopic.c_str(), output.c_str());
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}
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// 3.发布属性
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void publishProperty(String msg)
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{
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printMsg("发布属性:" + msg);
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mqttClient.publish(pPropertyTopic.c_str(), msg.c_str());
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}
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// 4.发布功能
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void publishFunction(String msg)
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{
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printMsg("发布功能:" + msg);
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mqttClient.publish(pFunctionTopic.c_str(), msg.c_str());
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}
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// 5.发布事件
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void publishEvent()
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{
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// 匹配云端的事件
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StaticJsonDocument<512> doc;
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JsonObject objTmeperature = doc.createNestedObject();
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objTmeperature["id"] = "height_temperature";
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objTmeperature["value"] = "40";
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objTmeperature["remark"] = "温度过高警告";
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JsonObject objException = doc.createNestedObject();
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objException["id"] = "exception";
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objException["value"] = "异常消息，消息内容XXXXXXXX";
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objException["remark"] = "设备发生错误";
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printMsg("发布事件:");
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serializeJson(doc, Serial);
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String output;
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serializeJson(doc, output);
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mqttClient.publish(pEventTopic.c_str(), output.c_str());
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}
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// 6.发布实时监测数据
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void publishMonitor()
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{
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String msg=randomPropertyData();
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// 发布为实时监测数据，不会存储
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printMsg("发布实时监测数据:"+msg);
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mqttClient.publish(pMonitorTopic.c_str(), msg.c_str());
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}
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