primitives/tests/encoder_test.py

   1 # encoder_test.py Test for asynchronous driver for incremental quadrature encoder.
   2
   3 # Copyright (c) 2021-2022 Peter Hinch
   4 # Released under the MIT License (MIT) - see LICENSE file
   5
   6 from machine import Pin
   7 import uasyncio as asyncio
   8 from primitives.encoder import Encoder
   9
  10
  11 px = Pin(33, Pin.IN, Pin.PULL_UP)
  12 py = Pin(25, Pin.IN, Pin.PULL_UP)
  13
  14 def cb(pos, delta):
  15     print(pos, delta)
  16
  17 async def main():
  18     while True:
  19         await asyncio.sleep(1)
  20
  21 def test():
  22     print('Running encoder test. Press ctrl-c to teminate.')
  23     enc = Encoder(px, py, v=0, vmin=0, vmax=100, callback=cb)
  24     try:
  25         asyncio.run(main())
  26     except KeyboardInterrupt:
  27         print('Interrupted')
  28     finally:
  29         asyncio.new_event_loop()
  30
  31 test()