radio_test/radio_send_and_receive_c.py

   1 from microbit import *
   2 import radio
   3
   4 A_IMAGE = Image('09909:'
   5                 '90090:'
   6                 '99990:'
   7                 '90090:'
   8                 '90090')
   9
  10 B_IMAGE = Image('99909:'
  11                 '90090:'
  12                 '99900:'
  13                 '90090:'
  14                 '99900')
  15
  16 C_IMAGE = Image('00009:'
  17                 '09990:'
  18                 '90000:'
  19                 '90000:'
  20                 '09990')
  21
  22 D_IMAGE = Image('00009:'
  23                 '00009:'
  24                 '09999:'
  25                 '90009:'
  26                 '09999')
  27
  28 images = {'a': A_IMAGE, 'b': B_IMAGE, 'c': C_IMAGE, 'd': D_IMAGE}
  29
  30 display.scroll('Press', wait=False, loop=True)
  31 last_message_time = None
  32
  33 radio.on()
  34
  35 def send(message):
  36         radio.send(message)
  37         return running_time()
  38
  39 while True:
  40     message = radio.receive()
  41     if message:
  42         last_message_time = running_time()
  43         if message in images:
  44             display_image = images[message]
  45
  46     if button_a.was_pressed():
  47         display_image = C_IMAGE
  48         last_message_time = send('c')
  49     if button_b.was_pressed():
  50         display_image = D_IMAGE
  51         last_message_time = send('d')
  52
  53     if last_message_time:
  54         dimness = (running_time() - last_message_time) / 500
  55         if dimness > 9: dimness = 9
  56         display.show(display_image / dimness , wait=False)
  57