项目作者： wjxin7510
项目描述 ：
#define INTERVAL_SENSOR 17000 //定义传感器采样时间间隔 597000 #define INTERVAL_NET 17000 //定义发送时间 //传感器部分================================ #include //调用库 #include "./ESP8266.h" #include "I2Cdev.h" //调用库 //温湿度 #include //光照 #define sensorPin_1 A0 #define SSID "jiaobaba" // cannot be longer than 32 characters! #define PASSWORD "babababa" #define IDLE_TIMEOUT_MS 3000 // Amount of time to wait (in milliseconds) with no data // received before closing the connection. If you know the server // you're accessing is quick to respond, you can reduce this value. //WEBSITE #define HOST_NAME "api.heclouds.com" #define DEVICEID "9939133" #define PROJECTID "91729" #define HOST_PORT (80) String apiKey="VeFI0HZ44Qn5dZO14AuLbWSlSlI="; char buf[10]; #define INTERVAL_sensor 2000 unsigned long sensorlastTime = millis(); float tempOLED, humiOLED, lightnessOLED; #define INTERVAL_OLED 1000 String mCottenData; String jsonToSend; //3,传感器值的设置 float sensor_tem, sensor_hum, sensor_lux; //传感器温度、湿度、光照 char sensor_tem_c[7], sensor_hum_c[7], sensor_lux_c[7] ; //换成char数组传输 #include SoftwareSerial mySerial(2, 3); /* RX:D3, TX:D2 */ ESP8266 wifi(mySerial); //ESP8266 wifi(Serial1); //定义一个ESP8266（wifi）的对象 unsigned long net_time1 = millis(); //数据上传服务器时间 unsigned long sensor_time = millis(); //传感器采样时间计时器 //int SensorData; //用于存储传感器数据 String postString; //用于存储发送数据的字符串 //String jsonToSend; //用于存储发送的json格式参数 void setup(void) //初始化函数 { //初始化串口波特率 Wire.begin(); Serial.begin(115200); while(!Serial); pinMode(sensorPin_1, INPUT); //ESP8266初始化 Serial.print("setup begin\r\n"); Serial.print("FW Version:"); Serial.println(wifi.getVersion().c_str()); if (wifi.setOprToStationSoftAP()) { Serial.print("to station + softap ok\r\n"); } else { Serial.print("to station + softap err\r\n"); } if (wifi.joinAP(SSID, PASSWORD)) { //加入无线网 Serial.print("Join AP success\r\n"); Serial.print("IP: "); Serial.println(wifi.getLocalIP().c_str()); } else { Serial.print("Join AP failure\r\n"); } if (wifi.disableMUX()) { Serial.print("single ok\r\n"); } else { Serial.print("single err\r\n"); } Serial.print("setup end\r\n"); } void loop(void) //循环函数 { if (sensor_time > millis()) sensor_time = millis(); if(millis() - sensor_time > INTERVAL_SENSOR) //传感器采样时间间隔 { getSensorData(); //读串口中的传感器数据 sensor_time = millis(); } if (net_time1 > millis()) net_time1 = millis(); if (millis() - net_time1 > INTERVAL_NET) //发送数据时间间隔 { updateSensorData(); //将数据上传到服务器的函数 net_time1 = millis(); } } void getSensorData(){ sensor_tem = SHT2x.GetTemperature() ; sensor_hum = SHT2x.GetHumidity(); //获取光照 sensor_lux = analogRead(A0); delay(1000); dtostrf(sensor_tem, 2, 1, sensor_tem_c); dtostrf(sensor_hum, 2, 1, sensor_hum_c); dtostrf(sensor_lux, 3, 1, sensor_lux_c); } void updateSensorData() { if (wifi.createTCP(HOST_NAME, HOST_PORT)) { //建立TCP连接，如果失败，不能发送该数据 Serial.print("create tcp ok\r\n"); jsonToSend="{\"Temperature\":"; dtostrf(sensor_tem,1,2,buf); jsonToSend+="\""+String(buf)+"\""; jsonToSend+=",\"Humidity\":"; dtostrf(sensor_hum,1,2,buf); jsonToSend+="\""+String(buf)+"\""; jsonToSend+=",\"Light\":"; dtostrf(sensor_lux,1,2,buf); jsonToSend+="\""+String(buf)+"\""; jsonToSend+="}"; postString="POST /devices/"; postString+=DEVICEID; postString+="/datapoints?type=3 HTTP/1.1"; postString+="\r\n"; postString+="api-key:"; postString+=apiKey; postString+="\r\n"; postString+="Host:api.heclouds.com\r\n"; postString+="Connection:close\r\n"; postString+="Content-Length:"; postString+=jsonToSend.length(); postString+="\r\n"; postString+="\r\n"; postString+=jsonToSend; postString+="\r\n"; postString+="\r\n"; postString+="\r\n"; const char *postArray = postString.c_str(); //将str转化为char数组 Serial.println(postArray); wifi.send((const uint8_t*)postArray, strlen(postArray)); //send发送命令，参数必须是这两种格式，尤其是(const uint8_t*) Serial.println("send success"); if (wifi.releaseTCP()) { //释放TCP连接 Serial.print("release tcp ok\r\n"); } else { Serial.print("release tcp err\r\n"); } postArray = NULL; //清空数组，等待下次传输数据 } else { Serial.print("create tcp err\r\n"); } }
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项目地址: git://github.com/wjxin7510/wife-.git