A few more bits and pieces of starter code

kartduino.ino

@@ -10,38 +10,85 @@ Need to calculate the req_fuel figure here, preferably in pre-processor macro
 #define engineCylinders 1 // May support more than 1 cyl later. Always will assume 1 injector per cylinder. 
 #define engineInjectorSize 100 // In cc/min
 #define engineStoich 14.7 // Stoichiometric ratio of fuel used
+#define engineStrokes 4 //Can be 2 stroke or 4 stroke, any other value will cause problems
 //**************************************************************************************************
 
-int req_fuel = ((engineCapacity / engineInjectorSize) / engineCylinders / engineStoich) * 100; // This doesn't seem quite correct, but I can't find why. 
+int req_fuel = ((engineCapacity / engineInjectorSize) / engineCylinders / engineStoich) * 100; // This doesn't seem quite correct, but I can't find why. It will be close enough to start an engine
 
 // Setup section
-int triggerPin = 5;
+// These aren't really configuration options, more so a description of how the hardware is setup. These are things that will be defined in the recommended hardware setup
+int triggerPin = 2;
 int triggerTeeth = 12;
 int triggerMissingTeeth = 1;
 int triggerOffset = 120;
+int injectorPin = 6; // The standard pin for the injector driver
+
+volatile boolean hasSync = false;
+volatile int currentToothCount = 0; //The current 
 
 
 
 void setup() {
-  int thisPin;
-  // the array elements are numbered from 0 to (pinCount - 1).
-  // use a for loop to initialize each pin as an output:
-  for (int thisPin = 0; thisPin < pinCount; thisPin++)  {
-    pinMode(ledPins[thisPin], OUTPUT);      
+  
+  //Begin the main crank trigger interttupt setup
+  //The interrupt numbering is a bit odd - See here for reference: http://arduino.cc/en/Reference/AttachInterrupt
+  int triggerInterrupt = 0; // By default, use 
+  switch (triggerPin) {
+    case 2:
+      triggerInterrupt = 0; break;
+    case 3:
+      triggerInterrupt = 1; break;
+    case 18:
+      triggerInterrupt = 5; break;
+    case 19:
+      triggerInterrupt = 4; break;
+    case 20:
+      triggerInterrupt = 3; break;
+    case 21:
+      triggerInterrupt = 2; break;
   }
+  attachInterrupt(triggerInterrupt, trigger, RISING); // Attach the crank trigger wheel interrupt
+  //End crank triger interrupt attachment
+  
+
+  
+  
   
   
 }
 
-void loop() {
-  // loop from the lowest pin to the highest:
-  for (int thisPin = 0; thisPin < pinCount; thisPin++) { 
-    // turn the pin on:
-    digitalWrite(ledPins[thisPin], HIGH);   
-    delay(timer);                  
-    // turn the pin off:
-    digitalWrite(ledPins[thisPin], LOW);    
+void loop() 
+  {
+    //Always check for sync
+    //Main loop runs within this clause
+    if hasSync
+    {
+    
+    }
+    else
+    { getSync(); }
 
   }
   
+//The get Sync function attempts to wait 
+void getSync()
+  {
+    
+  }
+
+
+//Interrupts  
+
+//These 2 functions simply trigger the injector driver off or on. 
+void openInjector() { digitalWrite(injectorPin, HIGH); } // Set based on an estimate of when to open the injector
+void closeInjector() { digitalWrite(injectorPin, LOW); } // Is called x ms after the open time where x is calculated by the rpm, load and req_fuel
+
+//The trigger function is called everytime a crank tooth passes the 
+void trigger()
+  {
+   
+    
+  }
+
+