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authorLuca Tringali <tringalinvent@libero.it>2019-03-11 23:02:50 +0100
committerLuca Tringali <tringalinvent@libero.it>2019-03-11 23:02:50 +0100
commit091f0c084f44ba6ce1656cdc73ab034abc881620 (patch)
treeef68cdf5fb2b033a42d2c94bbc656b047deb17c0 /4-ethernet-servomotore.ino
parent299ee1066f15506da34beeba6e90a44891780734 (diff)
Rinomina fileHEADmaster
Diffstat (limited to '4-ethernet-servomotore.ino')
-rw-r--r--4-ethernet-servomotore.ino84
1 files changed, 84 insertions, 0 deletions
diff --git a/4-ethernet-servomotore.ino b/4-ethernet-servomotore.ino
new file mode 100644
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+++ b/4-ethernet-servomotore.ino
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+#include <SPI.h>
+#include <Ethernet.h>
+
+
+#include <Servo.h>
+
+Servo myservo; // create servo object to control a servo
+int servopin = 3;
+
+byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; //physical mac address
+
+char serverName[] = "codice-sorgente.it";
+char serverPage[] = "/UTCTime.php?zone=Europe/Rome";
+EthernetClient client;
+
+//////////////////////
+
+void setup(){
+
+ if (Ethernet.begin(mac) == 0) {
+ Serial.println("Failed to configure Ethernet using DHCP");
+ // no point in carrying on, so do nothing forevermore:
+ while(true);
+ }
+
+ Serial.begin(9600);
+ myservo.attach(servopin);
+ Serial.println("Init");
+}
+
+void loop(){
+ delay(3000);
+ sendGET();
+}
+
+//////////////////////////
+
+void sendGET() //client function to send/receive GET request data.
+{
+ if (client.connect(serverName, 80)) { //starts client connection, checks for connection
+ Serial.println("connected");
+// client.println("GET /ioprogrammo/UTCTime.php HTTP/1.0"); //download text
+ client.print("GET ");
+ client.print(serverPage);
+ client.println(" HTTP/1.0");
+ client.print("Host: ");
+ client.println(serverName);
+ client.println(); //end of get request
+ }
+ else {
+ Serial.println("connection failed"); //error message if no client connect
+ Serial.println();
+ return;
+ }
+
+String response = "";
+ while(client.connected() && !client.available()) delay(1); //waits for data
+ while (client.connected() || client.available()) { //connected or data available
+ char c = client.read(); //gets byte from ethernet buffer
+ response += c;
+ }
+
+ Serial.println(response);
+ int da = response.indexOf("<")+1;
+ int a = response.indexOf(">");
+ String pageValue = response.substring(da,a);
+
+ da = pageValue.indexOf(" ")+1;
+ a = pageValue.indexOf(":",da);
+ String hour = pageValue.substring(da,a);
+ int ora = hour.toInt();
+ int rotazione = map(ora, 0, 23, 0, 180); //può essere 90 invece di 180
+ Serial.print("Writing this value to servo: ");
+ Serial.println(rotazione);
+ myservo.write(rotazione);
+
+ Serial.println();
+ Serial.println("disconnecting.");
+ Serial.println("==================");
+ Serial.println();
+ client.stop(); //stop client
+
+}
+