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m_006_01_music.py
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m_006_01_music.py
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#! python3
# Filename: m_006_01_music
__author__ = "raspython"
__date__ = '2020/07/24 20:24'
import RPi.GPIO as GPIO
from time import sleep
def main():
"""
本体
"""
"""
PIN_NOの定義
"""
buz = 21
"""
GPIOの初期設定
"""
GPIO.setmode(GPIO.BCM)
GPIO.setup(buz, GPIO.OUT)
pwm = GPIO.PWM(buz, 50)
pwm.start(50)
"""
変数の設定
"""
# 音階周波数
lsi = 247
do = 262
re = 294
mi = 330
fa = 349
so = 392
ra = 440
si = 494
# 楽譜date
onpu = (re, re, do, lsi, re, so, ra, si, si, si, ra,
so, mi, mi, mi, fa, so, fa, so, mi, re, mi,
re, lsi, re, re, re, re, do, lsi, re, so, ra,
si, si, si, ra, so, ra, ra, ra, ra, so, so,
fa, fa, so, so, so)
on_time = (4, 2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1,
2, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2,
1, 2, 1, 2, 1, 2, 1, 2, 1, 2, 2, 1, 2, 1,
2, 1, 2, 1, 1, 1, 1)
off_time = (1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 1, 1, 1, 1,
1, 1, 1, 1, 4, 4, 4)
"""
実行部
"""
for (m, i, j) in zip(onpu, on_time, off_time):
pwm.ChangeDutyCycle(50)
pwm.ChangeFrequency(m)
sleep(i / 10)
pwm.ChangeDutyCycle(0)
sleep(j / 10)
pwm.stop()
GPIO.cleanup()
if __name__ == '__main__':
main()