Arduino浇花项目 · 贝壳物联

/*
*注意：Arduino IDE版本请使用1.6.5-1.8.2
*/
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <dht.h>
#include <SPI.h>
#include <Ethernet.h>
#include <aJSON.h>
//=============  此处必须修改============
String  APIKEY="770739091"; // 此处替换为你自己的API KEY
String DEVICEID="1"; // 此处替换为你的设备编号
//=======================================
const int LED = 3;//
byte mac[] = {0x00, 0x1D, 0x72, 0x82, 0x35, 0x9D};
EthernetClient client ;
IPAddress ip(192, 168, 0, 177);//local IP
//IPAddress server(121,42,180,30);
char server[] = "www.bigiot.net";
int port= 8181 ;

aJsonStream serial_stream(&client);
unsigned long lastCheckInTime = 0;
const unsigned long postingInterval = 40000; // delay between 2 datapoints, 30s

void setup() {
  pinMode(LED, OUTPUT);
  pinMode(13, OUTPUT);
  digitalWrite(13,HIGH);
  mylcd.init();
  mylcd.backlight();
  Serial.begin(9600);
  if (Ethernet.begin(mac) == 0) {// start the Ethernet connection with DHCP:
Serial.println("Failed to configure Ethernet using DHCP");
Ethernet.begin(mac, ip);
  }
  else {
Serial.println("Ethernet configuration OK");
  }
  delay(10000);
  Serial.println("connecting...");
  if(client.connect(server, port)){
Serial.println("connected");
  }else{
Serial.println("connection failed");
  }

}
void loop() {
jiaoshui();
xianshi();
  if(millis() - lastCheckInTime > postingInterval) {
Serial.println("checking in");
checkIn();
  }

  if (serial_stream.available()) {
/* First, skip any accidental whitespace like newlines. */
serial_stream.skip();
  }
  if (serial_stream.available()) {
/* Something real on input, let's take a look. */
aJsonObject *msg = aJson.parse(&serial_stream);
processMessage(msg);
aJson.deleteItem(msg);
  }
}
void checkIn() {
  if (!client.connected()) {
Serial.println("connection fiald");
client.stop();
client.connect(server, port);
Serial.println("connecting...");
delay(10000);
  }
  else{
Serial.println("connection success");
client.print("{\"M\":\"checkin\",\"ID\":\"");
client.print(DEVICEID);
client.print("\",\"K\":\"");
client.print(APIKEY);
client.println("\"}");
lastCheckInTime = millis();
Serial.println("check in OK!");
  }
}
void processMessage(aJsonObject *msg){
  aJsonObject* method = aJson.getObjectItem(msg, "M");
  aJsonObject* content = aJson.getObjectItem(msg, "C");
  aJsonObject* client_id = aJson.getObjectItem(msg, "ID");
  char* st = aJson.print(msg);
  if (st != NULL) {
Serial.println(st);
free(st);
String M=method->valuestring;
String C=content->valuestring;
String F_C_ID=client_id->valuestring;
if(M=="say" ){
   if(C=="play"){
      digitalWrite(LED, HIGH);
      delay(5000);
      digitalWrite(LED,LOW);
      delay(100);
      sayToClient(F_C_ID,"LED on!");
   }
   if(C=="stop"){
      digitalWrite(LED, LOW);
      sayToClient(F_C_ID,"LED off!");
   }
}
  }
  else {
Serial.println( "wrong");
  }
}
void sayToClient(String client_id, String content){
  client.print("{\"M\":\"say\",\"ID\":\"");
  client.print(client_id);
  client.print("\",\"C\":\"");
  client.print(content);
  client.println("\"}");
  lastCheckInTime = millis();
  Serial.print("say to ");
  Serial.print(client_id);
  Serial.print(":");
  Serial.println(content);
}
void jiaoshui() {

  if (analogRead(A0) < 300) {
digitalWrite(3,HIGH);
delay(5000);
digitalWrite(3,LOW);
delay(100);

  }

}

贝壳物联浇花