First steps towards using arrays and loops

src/main.cpp

@@ -21,17 +21,18 @@ int sensorOffsetY;
 // Position of the joystick when in use
 int sensorValueX;
 int sensorValueY;
-// Variables to set when one of the keys is currently pressed to later on release
-bool pressedKeyLeftArrow = false;
-bool pressedKeyRightArrow = false;
-bool pressedKeyUpArrow = false;
-bool pressedKeyDownArrow = false;
+// Variables to set when one of the keys is currently pressed to later on release again
+bool pressedKey[4] = {false, false, false, false};
+// Actual keys to press
+byte pressKey[4] = {0xD8, 0xD7, 0xDA, 0xD9}; // Left, Right, Up, Down
 // Cycle count to wait before next key press
 int waitValueX = 0;
 int waitValueY = 0;
-// Variable to save the new cycle count value to evaluate against the current one
+// Variables to save the new cycle count value to evaluate against the current one
 int waitValueXNew = 0;
 int waitValueYNew = 0;
+// Value to use for while loops
+int i = 0;
 
 // the setup function runs once when you press reset or power the board
 void setup()
@@ -62,9 +63,9 @@ void loop()
     if (waitValueX == 0)
     {
       // Press the left arrow key
-      Keyboard.press(0xD8);
+      Keyboard.press(pressKey[0]);
       // Set a variable that the left arrow key is currently pressed
-      pressedKeyLeftArrow = true;
+      pressedKey[0] = true;
       // Update the cycls wait count with the new value
       waitValueX = waitValueXNew;
     }
@@ -85,9 +86,9 @@ void loop()
     if (waitValueX == 0)
     {
       // Press the right arrow key
-      Keyboard.press(0xD7);
+      Keyboard.press(pressKey[1]);
       // Set a variable that the right arrow key is currently pressed
-      pressedKeyRightArrow = true;
+      pressedKey[1] = true;
       // Update the cycls wait count with the new value
       waitValueX = waitValueXNew;
     }
@@ -115,9 +116,9 @@ void loop()
     if (waitValueY == 0)
     {
       // Press the up arrow key
-      Keyboard.press(0xDA);
+      Keyboard.press(pressKey[2]);
       // Set a variable that the up arrow key is currently pressed
-      pressedKeyUpArrow = true;
+      pressedKey[2] = true;
       // Update the cycls wait count with the new value
       waitValueY = waitValueYNew;
     }
@@ -138,9 +139,9 @@ void loop()
     if (waitValueY == 0)
     {
       // Press the down arrow key
-      Keyboard.press(0xD9);
+      Keyboard.press(pressKey[3]);
       // Set a variable that the down arrow key is currently pressed
-      pressedKeyDownArrow = true;
+      pressedKey[3] = true;
       // Update the cycls wait count with the new value
       waitValueY = waitValueYNew;
     }
@@ -160,29 +161,18 @@ void loop()
   // Time to wait before keys will be released (if needed)
   delay(DELAY_BETWEEN_KEYS);
 
-  // Release left arrow key if pressed
-  if (pressedKeyLeftArrow == true)
+  // Release keys if pressed
+  i = 0;
+  while (i < 4)
   {
-    Keyboard.release(0xD8);
-    pressedKeyLeftArrow = false;
-  }
-  // Release right arrow key if pressed
-  if (pressedKeyRightArrow == true)
-  {
-    Keyboard.release(0xD7);
-    pressedKeyRightArrow = false;
-  }
-  // Release up arrow key if pressed
-  if (pressedKeyUpArrow == true)
-  {
-    Keyboard.release(0xDA);
-    pressedKeyUpArrow = false;
-  }
-  // Release down arrow key if pressed
-  if (pressedKeyDownArrow == true)
-  {
-    Keyboard.release(0xD9);
-    pressedKeyDownArrow = false;
+    // Check if key is currently pressed
+    if (pressedKey[i] == true)
+    {
+      // Release the key
+      Keyboard.release(pressKey[i]);
+      pressedKey[i] = false;
+    }
+    i++;
   }
 
   // Lower the wait cycles for the X axis if not lower than 0