sample program for Open JTalk with DHT11

talk_temperature.py

# coding=utf-8
import os
import subprocess
import RPi.GPIO as GPIO
import dht11


def talk(s):
    model = '/usr/share/Voice/mei/mei_happy.htsvoice'
    dic = '/usr/share/dic'
    wav = '/tmp/talk.wav'
    txt = '/tmp/talk.txt'

    with open(txt, mode='w') as f:
        f.write(s)

    command = 'open_jtalk -m %s -x %s -ow %s %s' % (model, dic, wav, txt)
    subprocess.call(command.strip().split(' '))
    os.remove(txt)

    command = 'aplay %s' % wav
    subprocess.call(command.strip().split(' '))
    os.remove(wav)


if __name__ == '__main__':

    # initialize GPIO
    GPIO.setwarnings(False)
    GPIO.setmode(GPIO.BCM)
    GPIO.cleanup()

    # GPIO21 set to input, pull-up
    GPIO.setup(21, GPIO.IN, pull_up_down=GPIO.PUD_UP)

    # GPIO10 connect to out pin of DHT11
    instance = dht11.DHT11(pin=10)

    talk('起動しました')

    while True:

        # Wait until button is pressed.
        channel = GPIO.wait_for_edge(21, GPIO.FALLING, timeout=100)
        if channel is not None:

            # Read a data from DHT11
            result = instance.read()
            if result.is_valid():
                temperature = '現在の温度は%d度です' % result.temperature
                talk(temperature)
            else:
                talk('エラーが発生しました')