gpio-basic.py

#! /usr/bin/python3

import time
import random
import gpiod
from gpiod.line import Direction, Value

from arduino_iot_cloud import ArduinoCloudClient

DEVICE_ID = b"YOUR_DEVICE_ID"
SECRET_KEY = b"YOUR_SECRET_KEY"

LED=14      # GPIO14, Pin 6
chip = gpiod.Chip('/dev/gpiochip4')
req=chip.request_lines(consumer="rpi-acloud-gpio-basic",config={LED : gpiod.LineSettings(direction=Direction.OUTPUT)})

# This function is executed every 10.0 seconds (as defined in the registration)
def read_value(client):
   return random.randint(0, 100)

# This function is executed each time the "led" variable changes
def on_led_changed(client, value):
   if value:
       req.set_value(LED, Value.ACTIVE)
   else:
       req.set_value(LED, Value.INACTIVE)
   print("LED change! Status is: ", value)


if __name__ == "__main__":
   client = ArduinoCloudClient(device_id=DEVICE_ID, username=DEVICE_ID, password=SECRET_KEY)

   client.register("test_value", on_read=read_value, interval=10.0) 
   client.register("led", value=None, on_write=on_led_changed)
  
   client.start()