Paso 6: Código de Arduino
En este paso buscará el código de arduino para el proyecto de aparcamiento inteligente. El código recibirá los datos de los sensores ultrasónicos y publicará en la Página Web. Aquí está el código:
#include <p>#include #include </p><p>Servo servo; //declaring variables to get the right data int available1; int available2; int available3; int available4; int available5; //distance for teh ultrasonic sensor long distance1; long distance2; long distance3; long distance4; long distance5; //duration taken for the sensor to transmit ultrasonic waves long duration1; long duration2; long duration3; long duration4; long duration5; //opening the servo for the cars to enter long servoduration; long servodistance; //the output pins for the sensor #define trig1 26 #define trig2 28 #define trig3 30 #define trig4 32 #define trig5 34 //the input pins for the sensor #define echo1 27 #define echo2 29 #define echo3 31 #define echo4 33 #define echo5 35 //the out and in pins for the sensor #define servotrig 38 #define servoecho 39 //ethernet datapins char server[] = "192.168.137.1"; EthernetClient client; //default computer address byte mac[]={ 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };</p><p>int response;</p><p>void setup() {</p><p> Ethernet.begin(mac); Serial.begin (9600); delay(100);</p><p>// response = client.connect(server, 80); // // if (response) { // Serial.println("connected"); // } else { // // if you didn't get a connection to the server: // Serial.println("connection failed"); // } //defining the modes of the pins for the sensor pinMode(trig1,OUTPUT); pinMode(trig2,OUTPUT); pinMode(trig3,OUTPUT); pinMode(trig4,OUTPUT); pinMode(trig5,OUTPUT); pinMode(echo1,INPUT); pinMode(echo2,INPUT); pinMode(echo3,INPUT); pinMode(echo4,INPUT); pinMode(echo5,INPUT); pinMode(servotrig,OUTPUT); pinMode(servoecho,INPUT);</p><p> servo.attach(37); }</p><p>void loop() { //finding the distance for each of the sensors digitalWrite(trig1, LOW); delayMicroseconds(2); digitalWrite(trig1, HIGH); delayMicroseconds(10); digitalWrite(trig1, LOW); duration1 = pulseIn(echo1, HIGH); distance1 = (duration1/2) / 29.1;</p><p> digitalWrite(trig2, LOW); delayMicroseconds(2); digitalWrite(trig2, HIGH); delayMicroseconds(10); digitalWrite(trig2, LOW); duration2 = pulseIn(echo2, HIGH); distance2 = (duration2/2) / 29.1;</p><p> digitalWrite(trig3, LOW); delayMicroseconds(2); digitalWrite(trig3, HIGH); delayMicroseconds(10); digitalWrite(trig3, LOW); duration3 = pulseIn(echo3, HIGH); distance3 = (duration3/2) / 29.1;</p><p> digitalWrite(trig4, LOW); delayMicroseconds(2); digitalWrite(trig4, HIGH); delayMicroseconds(10); digitalWrite(trig4, LOW); duration4 = pulseIn(echo4, HIGH); distance4 = (duration4/2) / 29.1;</p><p> digitalWrite(trig5, LOW); delayMicroseconds(2); digitalWrite(trig5, HIGH); delayMicroseconds(10); digitalWrite(trig5, LOW); duration5 = pulseIn(echo5, HIGH); distance5 = (duration5/2) / 29.1;</p><p> Serial.print("Distance 1:"); Serial.print(distance1); Serial.println("cm");</p><p> Serial.print("Distance 2:"); Serial.print(distance2); Serial.println("cm");</p><p> Serial.print("Distance 3:"); Serial.print(distance3); Serial.println("cm");</p><p> Serial.print("Distance 4:"); Serial.print(distance4); Serial.println("cm");</p><p> Serial.print("Distance 5:"); Serial.print(distance5); Serial.println("cm");</p><p> delay(100);</p><p>//getting the actual value required to do the project successfully if(distance1<6) { available1=0; } else{ available1 =1; } </p><p> if(distance2<6) { available2=0; } else{ available2 =1; }</p><p> if(distance3<6) { available3=0; } else{ available3 =1; } if(distance4<6) { available4=0; } else{ available4 =1; } if(distance5<6) { available5=0; } else{ available5 =1; }</p><p> digitalWrite(servotrig, LOW); delayMicroseconds(2); digitalWrite(servotrig, HIGH); delayMicroseconds(10); digitalWrite(servotrig, LOW); servoduration = pulseIn(servoecho, HIGH); if(servodistance<10) { servo.write(90); } else { servo.write(-90); }</p><p>//passing the variables to the php page.</p><p> if (!client.connected()) { Serial.print("Available1="); Serial.println(available1); Serial.print("Available2="); Serial.println(available2); Serial.print("Available3="); Serial.println(available3); Serial.print("Available4="); Serial.println(available4); Serial.print("Available5="); Serial.println(available5); client.stop(); delay(100); if (client.connect(server, 80)) { Serial.println("connected"); // Make a HTTP request: client.print("GET /UpdateAvailability.php?Position="); client.print("1"); client.print("&&"); client.print("Available="); client.print(available1); client.println(" HTTP/1.1"); client.println("Host: 192.168.137.1"); client.println("Connection: close"); client.println(); client.stop(); } else { // if you didn't get a connection to the server: Serial.println("connection failed"); }</p><p> if (client.connect(server, 80)) { Serial.println("connected"); // Make a HTTP request: client.print("GET /UpdateAvailability.php?Position="); client.print("2"); client.print("&&"); client.print("Available="); client.print(available2); client.println(" HTTP/1.1"); client.println("Host: 192.168.137.1"); client.println("Connection: close"); client.println(); client.stop(); } else { // if you didn't get a connection to the server: Serial.println("connection failed"); } if (client.connect(server, 80)) { Serial.println("connected"); // Make a HTTP request: client.print("GET /UpdateAvailability.php?Position="); client.print("3"); client.print("&&"); client.print("Available="); client.print(available3); client.println(" HTTP/1.1"); client.println("Host: 192.168.137.1"); client.println("Connection: close"); client.println(); client.stop(); } else { // if you didn't get a connection to the server: Serial.println("connection failed"); } if (client.connect(server, 80)) { Serial.println("connected"); // Make a HTTP request: client.print("GET /UpdateAvailability.php?Position="); client.print("4"); client.print("&&"); client.print("Available="); client.print(available4); client.println(" HTTP/1.1"); client.println("Host: 192.168.137.1"); client.println("Connection: close"); client.println(); client.stop(); } else { // if you didn't get a connection to the server: Serial.println("connection failed"); } if (client.connect(server, 80)) { Serial.println("connected"); // Make a HTTP request: client.print("GET /UpdateAvailability.php?Position="); client.print("5"); client.print("&&"); client.print("Available="); client.print(available5); client.println(" HTTP/1.1"); client.println("Host: 192.168.137.1"); client.println("Connection: close"); client.println(); client.stop(); } else { // if you didn't get a connection to the server: Serial.println("connection failed"); } } }</p>
