//安裝Adafruit Unified Sensor Library DHT Sensor Library
#include <SoftwareSerial.h>
#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <DHT_U.h>
#define DHTPIN  3
#define DHTTYPE           DHT11
#define SSID "XXXAP"
#define PASS "xxxxxxxx"
#define SERVER "192.168.44.254" 
#define PORT "80" 
DHT_Unified dht(DHTPIN, DHTTYPE);
SoftwareSerial ESP8266(11, 10); // RX, TX
String cmd;
String GET = "GET /aa.php?";
float T,H;
void setup() {
  Serial.begin(115200);
  ESP8266.begin(115200);
  dht.begin();
  delay(2000);
  sendDebug("AT+RST");
  while (!ESP8266.find("OK"))
       delay(200);
  //delay(2000);
  Serial.println("Data ready to sent!");
  connectWiFi();
}

void loop() {
  sensors_event_t event;  
  dht.temperature().getEvent(&event);
  T=event.temperature;
  Serial.print("T=");
  Serial.print(T);
  Serial.println(" *C");
  dht.humidity().getEvent(&event);
  H=event.relative_humidity;
  Serial.print("H=");
  Serial.print(H);
  Serial.println("%");
  delay(1000);
  ESP8266.println("AT+CIPMUX=1");
  delay(1000);
  if (ESP8266.available())  Serial.write(ESP8266.read()); 
  cmd="AT+CIPSTART=4,\"TCP\",\"";
  cmd +=SERVER;
  cmd +="\",";
  cmd +=PORT;
  ESP8266.println(cmd);
  delay(1000);
  if (ESP8266.available())  Serial.write(ESP8266.read());
  cmd = GET + "tmp=" + T + "&hid=" + H +"\r\n";
  Serial.print(cmd);
  ESP8266.println("AT+CIPSEND=4," + String(cmd.length() + 4));
  delay(1000);
  ESP8266.println(cmd);
  delay(1000);
  ESP8266.println(""); 
  if (ESP8266.available()) 
     Serial.write(ESP8266.read());
   delay(10000);
}

void sendDebug(String wi)
{
    Serial.print("SEND: ");
    Serial.println(wi);
    ESP8266.println(wi);
} 

 
boolean connectWiFi()
{
    ESP8266.println("AT+CWMODE=1");
    delay(2000);
    String cmd="AT+CWJAP=\"";
    cmd+=SSID;
    cmd+="\",\"";
    cmd+=PASS;
    cmd+="\"";
    sendDebug(cmd);
    int cnt=0;
    while (!ESP8266.find("OK") && !ESP8266.find("No") && cnt<20 )
    {
       delay(200);
       cnt++;
    }
    if (cnt<20)
      Serial.println( "Connect OK" );
    else Serial.println( "Time Out" );
    return true;
}