1  # Basic structure example for using the BLE Connect Control Pad
 2  # To use, start this program, and start the Adafruit Bluefruit LE Connect app.
 3  # Connect, and then select Controller-> Control Pad.
 4  
 5  from adafruit_ble import BLERadio
 6  from adafruit_ble.advertising.standard import ProvideServicesAdvertisement
 7  from adafruit_ble.services.nordic import UARTService
 8  from adafruit_bluefruit_connect.packet import Packet
 9  
10  # Only the packet classes that are imported will be known to Packet.
11  from adafruit_bluefruit_connect.button_packet import ButtonPacket
12  
13  ble = BLERadio()
14  uart_server = UARTService()
15  advertisement = ProvideServicesAdvertisement(uart_server)
16  
17  while True:
18      print("WAITING...")
19      # Advertise when not connected.
20      ble.start_advertising(advertisement)
21      while not ble.connected:
22          pass
23  
24      # Connected
25      ble.stop_advertising()
26      print("CONNECTED")
27  
28      # Loop and read packets
29      while ble.connected:
30  
31          # Keeping trying until a good packet is received
32          try:
33              packet = Packet.from_stream(uart_server)
34          except ValueError:
35              continue
36  
37          # Only handle button packets
38          if isinstance(packet, ButtonPacket) and packet.pressed:
39              if packet.button == ButtonPacket.UP:
40                  print("Button UP")
41              if packet.button == ButtonPacket.DOWN:
42                  print("Button DOWN")
43              if packet.button == ButtonPacket.LEFT:
44                  print("Button LEFT")
45              if packet.button == ButtonPacket.RIGHT:
46                  print("Button RIGHT")
47              if packet.button == ButtonPacket.BUTTON_1:
48                  print("Button 1")
49              if packet.button == ButtonPacket.BUTTON_2:
50                  print("Button 2")
51              if packet.button == ButtonPacket.BUTTON_3:
52                  print("Button 3")
53              if packet.button == ButtonPacket.BUTTON_4:
54                  print("Button 4")
55  
56      # Disconnected
57      print("DISCONNECTED")