1  import board
 2  import adafruit_nunchuk
 3  from adafruit_hid.mouse import Mouse
 4  
 5  m = Mouse()
 6  nc = adafruit_nunchuk.Nunchuk(board.I2C())
 7  
 8  centerX = 128
 9  centerY = 128
10  
11  scaleX = 0.3
12  scaleY = 0.3
13  
14  cDown = False
15  zDown = False
16  
17  # This is to allow double checking (only on left click - and it doesn't really work)
18  CHECK_COUNT = 0
19  
20  
21  # This is just to show that we're getting back data - uncomment it and hold down the buttons
22  # while True:
23  #    print((0 if nc.button_C else 1, 0 if nc.button_Z else 1))
24  
25  while True:
26      x, y = nc.joystick
27      # Eliminate spurious reads
28      if x == 255 or y == 255:
29          continue
30      relX = x - centerX
31      relY = centerY - y
32  
33      m.move(int(scaleX * relX), int(scaleY * relY), 0)
34  
35      c = nc.button_C
36      z = nc.button_Z
37  
38      if z and not zDown:
39          stillDown = True
40          for n in range(CHECK_COUNT):
41              if nc.button_Z:
42                  stillDown = False
43                  break
44          if stillDown:
45              m.press(Mouse.LEFT_BUTTON)
46              zDown = True
47      elif not z and zDown:
48          stillDown = True
49          for n in range(CHECK_COUNT):
50              if not nc.button_Z:
51                  stillDown = False
52                  break
53          if stillDown:
54              m.release(Mouse.LEFT_BUTTON)
55              zDown = False
56      if c and not cDown:
57          m.press(Mouse.RIGHT_BUTTON)
58          cDown = True
59      elif not c and cDown:
60          m.release(Mouse.RIGHT_BUTTON)
61          cDown = False