#4.1~4.2. 음성으로 LED 켜기, 사진 찍기

import RPi.GPIO as GPIO

import speech_recognition as sr

GPIO.setmode(GPIO.BCM)

GPIO.setwarnings(False)

LED_PIN = 12

GPIO.setup(LED_PIN, GPIO.OUT)

def recognize_command():

    recognizer = sr.Recognizer()

    with sr.Microphone() as source:

        print("Listening...")

        audio = recognizer.listen(source)

    try:

        return recognizer.recognize_google(audio, language="ko-KR")

    except sr.UnknownValueError:

        return "Could not understand audio"

    except sr.RequestError as e:

        return f"API unavailable {e}"

while True:

    command = recognize_command().lower()

    if "불 켜" in command:

        GPIO.output(LED_PIN, True)

        print("LED ON")

    elif "불 꺼" in command:

        GPIO.output(LED_PIN, False)

        print("LED OFF")

import RPi.GPIO as GPIO

import os

import time

import pygame

import speech_recognition as sr

from gtts import gTTS

GPIO.setwarnings(False)

GPIO.setmode(GPIO.BCM)

# 버튼 설정

GPIO.setup(26, GPIO.IN, pull_up_down=GPIO.PUD_UP)

# pygame 초기화

pygame.init()

pygame.mixer.init()

# 오디오 알림 함수

def play_notification(path="/home/pi/study/notification.mp3"):

    pygame.mixer.music.load(path)

    pygame.mixer.music.play()

    while pygame.mixer.music.get_busy():

        time.sleep(0.1)

# 음성으로 텍스트를 말하는 함수

def say_text(text):

    tts = gTTS(text=text, lang='ko')

    tts.save("/tmp/temp_voice.mp3")

    play_notification("/tmp/temp_voice.mp3")

# 버튼을 누를 때 호출되는 콜백 함수

def take_picture(channel=None):

    say_text("사진을 찍겠습니다.")

    time.sleep(2)

    timestamp = time.strftime("%Y%m%d_%H%M%S")

    os.system(f'fswebcam -r 2048x1536 --no-banner /home/pi/pictures/{timestamp}.jpg')

    print(f"Picture taken: {timestamp}.jpg")

# 음성 명령을 듣는 함수

def listen_for_command():

    r = sr.Recognizer()

    with sr.Microphone() as source:

        print("Listening...")

        audio = r.listen(source)

        try:

            command = r.recognize_google(audio, language="ko-KR")

            return command

        except sr.UnknownValueError:

            return None

# GPIO 26번 핀에 falling edge detection을 추가하고, debounce 시간 설정

GPIO.add_event_detect(26, GPIO.FALLING, callback=take_picture, bouncetime=300)

try:

    while True:

        command = listen_for_command()

        if command and "찍어" in command:

            take_picture()

except KeyboardInterrupt:

    pygame.mixer.quit()

    GPIO.cleanup()