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CK 发表于 2018-3-25 17:09:43

贝壳物联浇花

/*
*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============
StringAPIKEY="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);

}

}

20060606 发表于 2020-8-11 05:37:46

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