手势

/*  DHCP-based IP printer  This sketch uses the DHCP extensions to the Ethernet library to get an IP address via DHCP and print the address obtained. using an Arduino Wiznet Ethernet shield.   Circuit: * Ethernet shield attached to pins 10, 11, 12, 13  created 12 April 2011 by Tom Igoe  */#include <SPI.h>#include <Ethernet.h>// include the library code:#include <LiquidCrystal.h>#include <Wire.h>////define variables//int valread;int valread1;int temp=0;int temp1=0;String res="N" ; String flag ;  String flag1;  EthernetClient client;   byte mac[] = {  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };  IPAddress serverIP(172,25,60,127); // IP Adress to our Server  int serverPort=18000;void setup() {    Serial.begin(9600); pinMode(7, INPUT);  pinMode(6, INPUT);     if (Ethernet.begin(mac) == 0) {      Serial.println("Failed to configure Ethernet using DHCP");      // no point in carrying on, so do nothing forevermore:      for(;;)        ;    }     Serial.print("My IP address: ");  for (byte thisByte = 0; thisByte < 4; thisByte++) {    // print the value of each byte of the IP address:    Serial.print(Ethernet.localIP()[thisByte], DEC);    Serial.print(".");   }  Serial.println();}void loop() {          valread1=digitalRead(6);  valread=digitalRead(7);temp=valread;     // Serial.println(valread1);if( valread1==0){ // Serial.println("left");  flag1 ="Y";  if(flag =="Y"){       // Serial.println("RIGHT-left"); res="RIGHT-left";    flag =="N";  }}  if( valread==0){  //Serial.println("right");     flag ="Y";  if(flag1 =="Y"){   //Serial.println("left-RIGHT"); res="left-RIGHT";     flag1 ="N";  }  }if(valread==1&&valread1==1&&res!="N"){ Serial.println(res); if(res=="left-RIGHT"){     if (client.connect(serverIP, serverPort)) {      Serial.println("connected");//report it to the Serial      String msg="right;";//Message to be sent      Serial.println("sending Message:"+msg);//log to serial      client.println(msg);//send the message    }  }   if(res=="RIGHT-left"){     if (client.connect(serverIP, serverPort)) {      Serial.println("connected");//report it to the Serial      String msg="left;";//Message to be sent      Serial.println("sending Message:"+msg);//log to serial      client.println(msg);//send the message    }  } res="N";   client.stop();}  delay(10);     //  Serial.println(valread);}