#include <ESP8266WiFi.h>
WiFiClient client;
const char *ssid = "QIANQIAN";//这里是我的wifi,你使用时修改为你要连接的wifi ssid
const char *password = "frank123";//你要连接的wifi密码
const char *host = "jsht.net";
const int httpPort =80;
#define pin 2
//void keeponline();
//void wificonnect();
void wenshidu();
void wenshidu1();
int n=0;
void setup() {
Serial.begin(115200);
delay(10);
//pinMode(relay1,INPUT);
// We start by connecting to a WiFi network
Serial.println();
Serial.println();
Serial.print("Connecting to ");
//Serial.println(ssid);
WiFi.begin(ssid, password);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
//smartConfig();
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
while (!client.connect(host, httpPort)) {
Serial.println("connection failed");
//return;
}
Serial.print("connecting to ");
Serial.println(host);
// client.write("mode=bind&apikey=你自己的apikey&data={ck001000bind}\r\n"); //修改成自己的apikey
delay(100);
}
void loop() {
while(client.available()){
String line = client.readStringUntil('\n');
Serial.println(line); }
n++;
if(n%1==0)
{
wenshidu();
n=0;
}
delay(30000);
// client.write("mode=up&apikey=你的apikey&data={ck001002life\r\n"); //修改成自己的apikey
delay(3000);
}
void wenshidu()
{
int temp;//温度
int humi;//湿度
int tol;//校对码
int j;
unsigned int loopCnt;
int chr[40] = {0};//创建数字数组,用来存放40个bit
unsigned long time1;
bgn:
delay(2000);
//设置2号接口模式为:输出
//输出低电平20ms(>18ms)
//输出高电平40μs
pinMode(pin,OUTPUT);
digitalWrite(pin,LOW);
delay(20);
digitalWrite(pin,HIGH);
delayMicroseconds(40);
digitalWrite(pin,LOW);
//设置2号接口模式:输入
pinMode(pin,INPUT);
//高电平响应信号
loopCnt=10000;
while(digitalRead(pin) != HIGH)
{
if(loopCnt-- == 0)
{
//如果长时间不返回高电平,输出个提示,重头开始。
Serial.println("HIGH");
goto bgn;
}
}
//低电平响应信号
loopCnt=30000;
while(digitalRead(pin) != LOW)
{
if(loopCnt-- == 0)
{
//如果长时间不返回低电平,输出个提示,重头开始。
Serial.println("LOW");
goto bgn;
}
}
//开始读取bit1-40的数值
for(int i=0;i<40;i++)
{
while(digitalRead(pin) == LOW)
{}
//当出现高电平时,记下时间“time”
time1 = micros();
while(digitalRead(pin) == HIGH)
{}
//当出现低电平,记下时间,再减去刚才储存的time
//得出的值若大于50μs,则为‘1’,否则为‘0’
//并储存到数组里去
if (micros() - time1 >50)
{
chr[i]=1;
}else{
chr[i]=0;
}
}
//湿度,8位的bit,转换为数值
humi=chr[0]*128+chr[1]*64+chr[2]*32+chr[3]*16+chr[4]*8+chr[5]*4+chr[6]*2+chr[7];
//温度,8位的bit,转换为数值
temp=chr[16]*128+chr[17]*64+chr[18]*32+chr[19]*16+chr[20]*8+chr[21]*4+chr[22]*2+chr[23];
//校对码,8位的bit,转换为数值
//tol=chr[32]*128+chr[33]*64+chr[34]*32+chr[35]*16+chr[36]*8+chr[37]*4+chr[38]*2+chr[39];
//输出:温度、湿度、校对码
Serial.print("temp:");
Serial.println(temp);
String str1="?h=";
str1+=humi;
str1+="&t=";
str1+=temp;
Serial.print("connecting to ");
Serial.println(host);
// Use WiFiClient class to create TCP connections
WiFiClient client;
const int httpPort = 80;
if (!client.connect(host, httpPort)) {
Serial.println("connection failed");
return;
}
// We now create a URI for the request
String url = "/api.php"+str1;
Serial.print("Requesting URL: ");
Serial.println(url);
// This will send the request to the server
client.print(String("GET ") + url + " HTTP/1.1\r\n" +
"Host: " + host + "\r\n" +
"Connection: close\r\n\r\n");
delay(10);
// Read all the lines of the reply from server and print them to Serial
Serial.println("Respond:");
while(client.available()){
String line = client.readStringUntil('\r');
Serial.print(line);
}
Serial.println();
Serial.println("closing connection");
}
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