state diagram and code update

assignments/03-game-controller-discover/code_solution.md

@@ -11,20 +11,18 @@ has_children: false
 
 ```python
 while True:
-    if button.value is True: 
         if current_state is state_wait:
-            keyboard.press(key)  # Send our defined key as a command...
-            print("button is pressed") #Print a confirmation in the serial monitor
-
-            current_state = state_button_is_pressed # Update our state
-
-    elif button.value is False:
+                if button.value == True:
+                        keyboard.press(key)  # Send our defined key as a command...
+                        print("button is pressed") #Print a confirmation in the serial monitor
+                        current_state = state_button_is_pressed # Update our state
+
         if current_state is state_button_is_pressed:
-            keyboard.release_all()  # and release all keys again
-            print("button is released") # Print a confirmation in the serial monitor
-
-            current_state = state_wait # Reset the state
-      
+                if button.value == False:
+                        keyboard.release_all()  # and release all keys again
+                        print("button is released") # Print a confirmation in the serial monitor
+                        current_state = state_wait # Reset the state
+
          # Sleep briefly so keypress events occur at a human timescale.
          # Skilled users can manage ~7 button presses per second, so we
          # sample at roughly twice that rate to satisfy the Nyquist criterion.

assignments/03-game-controller-discover/index.md

@@ -47,7 +47,7 @@ Your assignment is to use the template code and the acting machine diagram here
 
 | Acting Machine Diagram | 
 | -------------------------------------- | 
-| ![](stateDiagram.png)                | 
+| ![](state_diagram_corrected.png)                | 
 
 ### Code template