radio_test/radio_receive.py

   1 from microbit import *
   2 import radio
   3
   4 A_IMAGE = Image('00009:'
   5                 '09990:'
   6                 '90090:'
   7                 '90090:'
   8                 '09999')
   9
  10 B_IMAGE = Image('90009:'
  11                 '90000:'
  12                 '99900:'
  13                 '90090:'
  14                 '99900')
  15
  16 radio.on()
  17
  18 display.scroll('Ready', wait=False, loop=True)
  19 last_receive_time = None
  20 display_image = None
  21
  22 while True:
  23     message = radio.receive()
  24     if message:
  25         last_receive_time = running_time()
  26         if message == 'a':
  27             display_image = A_IMAGE
  28         if message == 'b':
  29             display_image = B_IMAGE
  30     elif last_receive_time:
  31         dimness = (running_time() - last_receive_time) / 500
  32         if dimness > 9: dimness = 9
  33         display.show(display_image / dimness , wait=False)