Added Code

stevenb9 · Mar 11, 2017 · d6f3a90 · d6f3a90
1 parent 85f4148
commit d6f3a90
Showing 1 changed file with 195 additions and 0 deletions.
diff --git a/football-table-code/football-table-code.ino b/football-table-code/football-table-code.ino
@@ -0,0 +1,195 @@
+//storage variables
+#include <SPI.h>
+#include <Ethernet.h>
+
+//Init LDRReading vars
+int LDRReading = 999;
+int LDRReading2 = 999;
+
+//Set IP/MAC Settings for Ethernet Shield
+byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+IPAddress ip(192,168,1,177);
+
+//Init variable for points
+int points_1 = 0;
+int points_2 = 0;
+
+//Set pins for LDR sensors
+int LDR_Pin2 = A0; //analog pin 0
+int LDR_Pin = A1; //analog pin 0
+
+//Toggle helper variable for LED on interrupt
+boolean toggle1 = 0;
+
+//Init new EthernetServer on port 80
+EthernetServer server(80);
+
+
+//Start Arduino's Setup
+void setup(){
+  //config Ledpin as output
+  pinMode(13, OUTPUT);
+
+  //Start serial output
+  Serial.begin(9600);
+
+  //start the Ethernet connection
+  Ethernet.begin(mac, ip);
+
+  //Start server
+  server.begin();
+
+  //Print server Address in terminal
+  Serial.print("server is at ");
+  Serial.println(Ethernet.localIP());
+
+  //Stop interrupts & delays (needed to configure the interrupt timer)
+  cli();
+
+  //set timer1 interrupt
+  TCCR1A = 0;  //set entire TCCR1A register to 0
+  TCCR1B = 0;  //same for TCCR1B
+  TCNT1  = 0;  //initialize counter value to 0
+
+  // set compare match register for 1hz increments
+  OCR1A = 200;  //Dont lower value, will randomly freeze arduino (min 90)
+
+  // turn on CTC mode
+  TCCR1B |= (1 << WGM12);
+
+  // Set CS12 and CS10 bits for 1024 prescaler
+  TCCR1B |= (1 << CS12) | (1 << CS10); 
+
+  // enable timer compare interrupt
+  TIMSK1 |= (1 << OCIE1A);
+}
+
+
+//Interrupt function (will be used when arduino is sending data to client)
+ISR(TIMER1_COMPA_vect){
+ //Read LDR values
+ LDRReading = analogRead(LDR_Pin);
+ LDRReading2 = analogRead(LDR_Pin2); 
+
+ //Print values to serial
+ Serial.println(LDRReading);
+ Serial.print(LDRReading2);
+
+  //Show when the interrupt is called, used for debug if arduino has frozen
+  if (toggle1){
+    digitalWrite(13,HIGH);
+    toggle1 = 0;
+  }
+  else{
+    digitalWrite(13,LOW);
+    toggle1 = 1;
+  }
+}
+
+
+
+//Arduino's main loop
+void loop(){
+  // listen for incoming client requests
+  EthernetClient client = server.available();
+
+  //If a client is requesting the scoreboard
+  if (client) {
+     //Allow interrupts, this will make sure there is cointinious reading of die LDR sensors
+     sei();
+
+    //an http request ends with a blank line
+    boolean currentLineIsBlank = true;
+
+    //as long as the client is connected
+    while (client.connected()) {
+      //And available
+      if (client.available()) {
+        //Read the client request
+        char c = client.read();
+
+        // if you've gotten to the end of the line (received a newline
+        // character) and the line is blank, the http request has ended,
+        // so you can send a reply
+        if (c == 'n' && currentLineIsBlank) {
+          // send a standard http response header
+          client.println("HTTP/1.1 200 OK");
+          client.println("Content-Type: text/html");
+          client.println("Connection: close");  // the connection will be closed after completion of the response
+          client.println("Refresh: 5");  // refresh the page automatically every 5 sec
+          client.println();
+          client.println("<!DOCTYPE HTML>");
+
+          //HTML
+          client.println("<html>");
+
+          //Background Color/Image
+          //client.print("<body background='IMAGEURL'>");
+          client.print("<body bgcolor='GREEN'>");
+
+          //Div Holding the score
+          client.print("<div align='center'><p style='font-size: 450%;'> Digital Football </p><p style='font-size: 1000%;'><font color = 'BLUE'>");
+          client.print(points_1);        
+          client.print("</font> - <font color = 'RED'>");
+          client.print(points_2);
+          client.print("</font></p></div></html>");
+
+          //Break when done sending your Score
+          break;
+        }
+        if (c == 'n') {
+          // you're starting a new line
+          currentLineIsBlank = true;
+        } 
+        else if (c != 'r') {
+          // you've gotten a character on the current line
+          currentLineIsBlank = false;
+        }
+      }
+    }
+
+    //give the web browser time to receive the data
+     delay(40);
+
+    // close the connection:
+    client.stop();
+
+    //Stop interrupts, main loop will take over again checking the LDR's as fast as possible
+    cli();
+  }
+
+  //Read LDR's values
+  LDRReading = analogRead(LDR_Pin);
+  LDRReading2 = analogRead(LDR_Pin2);
+
+  //Test if any of the LDR's has been "triggered"
+  if(LDRReading < 800){
+    //Add point   
+    points_1++;
+
+    //Allow interrupts to use the delay function
+    sei();
+
+    //Delay after a ball has passed to make sure your ball only gets count once
+    delay(150);
+
+    //Stop interrupts, main loop will take over again   
+    cli();
+  }
+
+  //Test LDR 2
+  if(LDRReading2 < 800){
+    //add point
+    points_2++;
+
+    //Allow interrupts to use the delay function
+    sei();
+
+    //Delay after a ball has passed to make sure your ball only gets count once
+    delay(150);
+
+    //Stop interrupts, main loop will take over again   
+    cli();
+  }
+}
+