Joystick / simu wheel control cases

if `joy` or `wheel`, define array ID-s, eg:
``` python
BUTTON_A_GREEN = 0 # start A
BUTTON_B_RED = 1 # stop B
AXES_ACCEL = 5
....
message.buttons[BUTTON_A_GREEN] 
message.buttons[BUTTON_B_RED]
message.axes[AXES_ACCEL]
``` 