70 lines
1.9 KiB
Python
70 lines
1.9 KiB
Python
import RPi.GPIO as GPIO
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import time
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from datetime import datetime
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import subprocess
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import sys
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from slovak_datetime_formatter import get_datetime_as_slovak_sentence
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BUTTON_TIMEOUT = 30 # pressing and holding the button longer then e.g. 2 seconds terminates playing
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PIN = 17 # listen to changes on this GPIO
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GPIO.setmode(GPIO.BCM) # use BCM pin layout
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GPIO.setwarnings(False)
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def setup_pin():
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GPIO.setup(PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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def terminate_playing(proc):
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print("Terminating playing...")
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proc.terminate()
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proc.wait(timeout=5)
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print("Terminated")
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def play_presny_cas():
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print("Playing presny_cas.wav")
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proc = subprocess.Popen(["aplay", "presny_cas.wav"])
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wait_for_button_release_or_timeout(PIN, BUTTON_TIMEOUT)
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print("GPIO went HIGH - terminating playing")
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terminate_playing(proc)
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def play_beep():
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print("Playing beep.wav")
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subprocess.call(["aplay", "beep.wav"])
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def generate_presny_cas():
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text = get_datetime_as_slovak_sentence(datetime.now())
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print(f"Generating presny_cas.wav for '{text}'")
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subprocess.call(
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[
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"curl", "--silent", "--get", "--data-urlencode", f"text={text}", "https://tts.virtonline.eu/api/tts", "--output", "presny_cas.wav",
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]
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)
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print("Generated presny_cas.wav")
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def wait_for_button_release_or_timeout(pin, timeout):
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timeout_start = time.time()
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while time.time() < timeout_start + timeout:
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if GPIO.input(pin) == GPIO.HIGH:
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break
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time.sleep(0.05)
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def handle_pin(pin):
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print(f"GPIO {pin} LOW - event triggered")
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generate_presny_cas()
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play_presny_cas()
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try:
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setup_pin()
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play_beep()
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play_beep()
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GPIO.add_event_detect(PIN, GPIO.FALLING, callback=handle_pin, bouncetime=1000)
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print(f"Waiting for the GPIO {PIN} to go LOW...")
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while True:
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time.sleep(0.01)
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except Exception:
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print("Cought exception...")
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sys.exit()
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finally:
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GPIO.cleanup()
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