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#!/usr/bin/env python3
import time
import automationhat
import sys
import queue
import threading
def main():
command_queue = queue.LifoQueue()
read_thread = threading.Thread(target=read_loop, args=[command_queue])
read_thread.start()
run_loop(command_queue)
def read_loop(command_queue):
while True:
command_queue.put_nowait(sys.stdin.readline().rstrip('\n'))
def run_loop(command_queue):
thread_local = threading.local()
thread_local.doorbell_on_state = False
while True:
run_command(command_queue)
read_doorbell(thread_local)
def run_command(command_queue):
try:
command = command_queue.get(timeout=0.5)
except queue.Empty:
pass
else:
automationhat.relay.on() if command == "unlock" else automationhat.relay.off()
def read_doorbell(thread_local):
analog_value = automationhat.analog.one.read()
doorbell_on_state = 6.0 < analog_value and analog_value <= 6.22
if analog_value < 7.4:
print("doorbell analog value: {}; ringing: {}; ring range: (6.0, 6.22]".format(analog_value, doorbell_on_state))
if doorbell_on_state != thread_local.doorbell_on_state:
thread_local.doorbell_on_state = doorbell_on_state
print("doorbell on") if doorbell_on_state else print("doorbell off")
if __name__ == "__main__":
main()
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