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blink_aio.py
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blink_aio.py
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"""
Copyright (c) 2021 Alan Yorinks All rights reserved.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
Version 3 as published by the Free Software Foundation; either
or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
"""
import asyncio
import sys
from telemetrix_rpi_pico_w_aio import telemetrix_rpi_pico_w_aio
"""
Setup a pin for digital output and output a signal
and toggle the pin. Do this 4 times.
"""
# some globals
DIGITAL_PIN = 32 # GPIO pin number
async def blink(my_board, pin):
"""
This function toggles a digital pin.
:param my_board: telemetrix instance
:param pin: pin to be controlled
"""
# set the pin mode
await my_board.set_pin_mode_digital_output(pin)
# toggle the pin 4 times and exit
for x in range(4):
print('ON')
await my_board.digital_write(pin, 0)
await asyncio.sleep(1)
print('OFF')
await my_board.digital_write(pin, 1)
await asyncio.sleep(1)
# get the event loop
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
# instantiate TelemetrixRpiPicoWAio
board = telemetrix_rpi_pico_w_aio.TelemetrixRpiPicoWAio(ip_address='192.168.2.102')
try:
# start the main function
loop.run_until_complete(blink(board, DIGITAL_PIN))
loop.run_until_complete(board.shutdown())
except KeyboardInterrupt:
loop.run_until_complete(board.shutdown())
sys.exit(0)