Fix joystick directions, change default scene to main

src/Squidbox.h

@@ -120,12 +120,12 @@ class Squidbox {
   const char *getName();
 
 private:
-  Scene *scenes[NUM_SCENES]; ///< An array of pointers to the scenes in the
-                             ///< Squidbox
-  int currentScene = BUTTON_SCENE; ///< The index of the current scene
-  Screen *screen;                  ///< A pointer to the screen of the Squidbox
-  Joystick *joystick; ///< A pointer to the joystick of the Squidbox
-  Knob *knob;         ///< A pointer to the knob of the Squidbox
+  Scene *scenes[NUM_SCENES];     ///< An array of pointers to the scenes in the
+                                 ///< Squidbox
+  int currentScene = MAIN_SCENE; ///< The index of the current scene
+  Screen *screen;                ///< A pointer to the screen of the Squidbox
+  Joystick *joystick;            ///< A pointer to the joystick of the Squidbox
+  Knob *knob;                    ///< A pointer to the knob of the Squidbox
   Button *backButton; ///< A pointer to the back button of the Squidbox
   Button *okButton;   ///< A pointer to the OK button of the Squidbox
   Button *buttons[NUM_BUTTONS]; ///< An array of pointers to the buttons of the

src/components/joystick/Joystick.cpp

@@ -32,39 +32,31 @@ float Joystick::map(float x, float inMin, float inMax, float outMin,
 }
 
 float Joystick::convertRawValue(int raw, int center, int min, int max) {
+  // Note that the raw value is inverted because the joystick is rotated 90
+  // degrees to the left.
   if (raw > center) {
     // If the raw value is greater than the center value, map it from the range
     // [center, max] to [0, 1].
-    return map(raw, center, max, 0, 1);
+    return map(raw, center, max, 0, -1);
   } else {
     // If the raw value is less than or equal to the center value, map it from
     // the range [min, center] to [-1, 0].
-    return map(raw, min, center, -1, 0);
+    return map(raw, min, center, 1, 0);
   }
 }
 
-int Joystick::getRawX() {
-  // Read from the y pin because the joystick is rotated right 90 degrees.
-  return analogRead(yPin);
-}
+int Joystick::getRawX() { return analogRead(xPin); }
 
-int Joystick::getRawY() {
-  // Read from the x pin because the joystick is rotated right 90 degrees.
-  return analogRead(xPin);
-}
+int Joystick::getRawY() { return analogRead(yPin); }
 
 float Joystick::getX() {
   // Convert the raw X value to a value in the range -1 to 1 and return it.
-  // X_MAX and X_MIN are swapped because the joystick is rotated right 90
-  // degrees.
-  return convertRawValue(getRawX(), X_CENTER, X_MAX, X_MIN);
+  return convertRawValue(getRawX(), X_CENTER, X_MIN, X_MAX);
 }
 
 float Joystick::getY() {
   // Convert the raw Y value to a value in the range -1 to 1 and return it.
-  // Y_MAX and Y_MIN are swapped because the joystick is rotated right 90
-  // degrees.
-  return convertRawValue(getRawY(), Y_CENTER, Y_MAX, Y_MIN);
+  return convertRawValue(getRawY(), Y_CENTER, Y_MIN, Y_MAX);
 }
 
 bool Joystick::isPressed() {

src/config/pins.h

@@ -16,4 +16,3 @@
 #define PIN_BUTTON_5 15
 #define PIN_BUTTON_6 32
 #define PIN_BUTTON_7 14
-