一、模块调试

1、水位模块

#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
#include <DHT.h>
const char* ssid = "ESP82666";//wifi账号
const char* password = "12345678";//wifi密码WiFiUDP Udp;
unsigned int localUdpPort = 2333;  // 本地监听端口
char incomingPacket[255];  // 存储Udp客户端发过来的数据
char  replyPacket[] = "Hi there! Got the message :-)";  // 应答信息
String comdata = "";
//*********设置固定IP*************//
IPAddress local_IP(192, 168, 137, 185);
// Set your Gateway IP address
IPAddress gateway(192, 168, 137, 1);
IPAddress subnet(255, 255, 0, 0);
IPAddress primaryDNS(8, 8, 8, 8); //optional
IPAddress secondaryDNS(8, 8, 4, 4); //optional
void setup()
{Serial.begin(9600);Serial.println();Serial.printf("Connecting to %s ", ssid);if(!WiFi.config(local_IP, gateway, subnet, primaryDNS, secondaryDNS)) {Serial.println("STA Failed to configure");
}WiFi.begin(ssid, password);while (WiFi.status() != WL_CONNECTED){delay(500);Serial.print(".");}Serial.println(" connected");//启动Udp监听服务Udp.begin(localUdpPort);//打印本地ip地址，udp client端会使用到Serial.printf("Now listening at IP %s, UDP port %d\n", WiFi.localIP().toString().c_str(), localUdpPort);
}void loop()
{while (Serial.available() > 0)  {comdata += char(Serial.read());delay(2);}if (comdata.length() > 0){Serial.println(comdata);int a_1=comdata.substring(7).toInt();if(a_1<0){a_1=0;}Udp.beginPacket("192.168.137.32", 2333);Udp.print(String(a_1));Udp.endPacket();comdata = "";}//解析Udp数据包int packetSize = Udp.parsePacket();if (packetSize){// 收到Udp数据包Serial.printf("Received %d bytes from %s, port %d\n", packetSize, Udp.remoteIP().toString().c_str(), Udp.remotePort());// 读取Udp数据包int len = Udp.read(incomingPacket, 255);if (len > 0){incomingPacket[len] = 0;}//向串口调试器打印信息Serial.printf("UDP packet contents: %s\n", incomingPacket);//往udp 远端发送应答信息}
}

2、DS18B20

#include "OneWire.h"
#include "DallasTemperature.h"#define ONE_WIRE_BUS 2
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);void setup(void)
{Serial.begin(9600);
Serial.println("Begin get temp!");
Serial.println();
sensors.begin();
delay(5000);
}void loop()
{sensors.requestTemperatures();
Serial.print("Temperature : ");
Serial.println(sensors.getTempCByIndex(0));
delay(1000);}

3、PH

4.采集小结

//***************WIFI设置************//
#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
const char* ssid = "ESP82666";//wifi账号
const char* password = "12345678";//wifi密码
WiFiUDP Udp;
unsigned int localUdpPort = 2333;  // 本地监听端口
char incomingPacket[255];  // 存储Udp客户端发过来的数据
String comdata = "";
//*********设置固定IP*************//
IPAddress local_IP(192, 168, 137, 185);
// Set your Gateway IP address
IPAddress gateway(192, 168, 137, 1);
IPAddress subnet(255, 255, 0, 0);
IPAddress primaryDNS(8, 8, 8, 8); //optional
IPAddress secondaryDNS(8, 8, 4, 4); //optional
//***********定义PH值***************//
#define SensorPin A0            //pH meter Analog output to Arduino Analog Input 1
#define Offset 21.677           //deviation compensate
#define samplingInterval 20
#define printInterval 800
#define ArrayLenth  40    //times of collection
int pHArray[ArrayLenth];   //Store the average value of the sensor feedback
int pHArrayIndex=0;
//**********DS18B20*******//
#include "OneWire.h"
#include "DallasTemperature.h"#define ONE_WIRE_BUS 2
OneWire oneWire(ONE_WIRE_BUS);
DallasTemperature sensors(&oneWire);
void setup()
{Serial.begin(9600);Serial.println();
sensors.begin();Serial.printf("Connecting to %s ", ssid);if(!WiFi.config(local_IP, gateway, subnet, primaryDNS, secondaryDNS)) {Serial.println("STA Failed to configure");
}WiFi.begin(ssid, password);while (WiFi.status() != WL_CONNECTED){delay(500);Serial.print(".");}Serial.println(" connected");//启动Udp监听服务Udp.begin(localUdpPort);//打印本地ip地址，udp client端会使用到Serial.printf("Now listening at IP %s, UDP port %d\n", WiFi.localIP().toString().c_str(), localUdpPort);
}void loop()
{PHmain();shuiwei();UDP();//******ds18b20******//sensors.requestTemperatures();Serial.print("Temperature : ");Serial.println(sensors.getTempCByIndex(0));Udp.beginPacket("192.168.137.32", 2334);Udp.print(String(sensors.getTempCByIndex(0)));Udp.endPacket();}
void UDP(){//**********解析Udp数据包int packetSize = Udp.parsePacket();if (packetSize){// 收到Udp数据包Serial.printf("Received %d bytes from %s, port %d\n", packetSize, Udp.remoteIP().toString().c_str(), Udp.remotePort());// 读取Udp数据包int len = Udp.read(incomingPacket, 255);if (len > 0){incomingPacket[len] = 0;}//向串口调试器打印信息Serial.printf("UDP packet contents: %s\n", incomingPacket);//往udp 远端发送应答信息}}
void shuiwei(){while (Serial.available() > 0)  {comdata += char(Serial.read());delay(2);}if (comdata.length() > 0){//Serial.println(comdata);int a_1=comdata.substring(7).toInt();if(a_1<0){a_1=0;}Udp.beginPacket("192.168.137.32", 2333);Udp.print(String(a_1));Udp.endPacket();comdata = "";}}
//**************PH值运算子程序******************//
double avergearray(int* arr, int number){int i;int max,min;double avg;long amount=0;if(number<=0){Serial.println("Error number for the array to avraging!/n");return 0;}if(number<5){   //less than 5, calculated directly statisticsfor(i=0;i<number;i++){amount+=arr[i];}avg = amount/number;return avg;}else{if(arr[0]<arr[1]){min = arr[0];max=arr[1];}else{min=arr[1];max=arr[0];}for(i=2;i<number;i++){if(arr[i]<min){amount+=min;        //arr<minmin=arr[i];}else {if(arr[i]>max){amount+=max;    //arr>maxmax=arr[i];}else{amount+=arr[i]; //min<=arr<=max}}//if}//foravg = (double)amount/(number-2);}//ifreturn avg;
}
void PHmain(){static unsigned long samplingTime = millis();static unsigned long printTime = millis();static float pHValue,voltage;if(millis()-samplingTime > samplingInterval){pHArray[pHArrayIndex++]=analogRead(SensorPin);if(pHArrayIndex==ArrayLenth)pHArrayIndex=0;voltage = avergearray(pHArray, ArrayLenth)*5.0/1024;pHValue = -5.8887*voltage+Offset;if(pHValue<=0.0){pHValue=0.0;}if(pHValue>14.0){pHValue=14.0;}samplingTime=millis();}if(millis() - printTime > printInterval)   //Every 800 milliseconds, print a numerical, convert the state of the LED indicator{Serial.print("Voltage:");Serial.print(voltage,2);Serial.print("    pH value: ");Serial.println(pHValue,2);Udp.beginPacket("192.168.137.32", 2335);Udp.print(String(pHValue));Udp.endPacket();printTime=millis();}}

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基于ESP8266的物联网智能鱼缸系统设计

一、模块调试

1、水位模块

2、DS18B20

3、PH

4.采集小结

二

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