5. 钢琴

使用music模块和掌控板上的触摸按键，制作一个简易的7音阶触摸钢琴。

from mpython import *               # 导入mpython模块
import music                        # 导入music模块

note=["C4:2","D4:2","E4:2","F4:2","G4:2","A4:2","B4:2"]     # 定义7音阶的元组

pStatus,yStatus,tStatus,hStatus,oStatus,nStatus,p0Status=[1]*7  # 按键状态标记变量

p0 = TouchPad(Pin(33))              # 由于掌控板上的触摸按键只有6个，还需拓展多一个引脚P0，对应ESP32的IO33

while True:
    if touchPad_P.read()<100 and pStatus==1:      # 检测按键按下和判断按键标记
        music.play(note[0])                       # 播放音符
        pStatus=0                                 # 按键标记置0
    elif touchPad_P.read()>=100:
        pStatus=1
    if touchPad_Y.read()<100 and yStatus==1:
        music.play(note[1])
        yStatus=0
    elif touchPad_Y.read()>=100:
        yStatus=1
    if touchPad_T.read()<100 and tStatus==1:
        music.play(note[2])
        tStatus=0
    elif touchPad_T.read()>=100:
        tStatus=1
    if touchPad_H.read()<100 and hStatus==1:
        music.play(note[3])
        hStatus=0
    elif touchPad_H.read()>=100:
        hStatus=1
    if touchPad_O.read()<100 and oStatus==1:
        music.play(note[4])
        oStatus=0
    elif touchPad_O.read()>=100:
        oStatus=1
    if touchPad_N.read()<100 and nStatus==1:
        music.play(note[5])
        nStatus=0
    elif touchPad_N.read()>=100:
        nStatus=1
    if p0.read()<100 and p0Status==1:
        music.play(note[6])
        p0Status=0
    elif p0.read()>=100:
        p0Status=1