【Raspberry Pi Pico】加速度センサをつかった米カウンターの作り方

"""
This code is licensed under the MIT license. 
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Copyright © 2022 nobo

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#必要なモジュールをインポート
from machine import Pin
import time
#本当はここにdef LED(n)という7セグメントを点灯する関数を定義しています
#書籍「やさしくはじめるラズベリー・パイ」の7セグメント点灯項を参考にしました。
#全く同じではない（私はzipをつかいました）のですが、念のため掲載は控えます。
#7セグメントLED1つでは10を表現できないので9の次はAを表示させました

#スイッチを押したら0点灯
def callback(p):
    global cnt
    cnt=0
    LED(cnt)
        
switch=Pin(1,Pin.IN)
switch.irq(trigger=Pin.IRQ_FALLING,handler=callback)

#0を点灯
LED(0)

#加速度センサの値を読む準備
Y=machine.ADC(1)
f=100/65535

#センサの値を読んで値にによってカウントアップ
cnt=0
while True:
    readY=Y.read_u16()*f
    time.sleep(0.3)
    if readY<24:
        cnt=cnt+1
        LED(cnt)
        readY=Y.read_u16()*f
        while readY<24:
            readY=Y.read_u16()*f
            time.sleep(0.3)