方法1：
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from gpiozero import LED,Button,LEDBoard,ButtonBoard,TonalBuzzer from time import sleep #引用时间库 from signal import pause cal = ButtonBoard(11, 25, 9, 10) row = LEDBoard(24, 23, 22, 27) b = TonalBuzzer(17,octaves=3)#A1 A4 A7 row.value = [0,0,0,0] def key(): row.value = [0,1,1,1] if sum(cal.value)>0: if cal.value[0]: print("S13") b.play("A2") elif cal.value[1]: print("S9") b.play("B2") elif cal.value[2]: print("S5") b.play("C3") else: print("S1") b.play("D3") #print("row0,col", cal.value.index(1)) #print(cal.value) row.value = [1,0,1,1] if sum(cal.value)>0: if cal.value[0]: print("S14") b.play("E3") elif cal.value[1]: print("S10") b.play("F3") elif cal.value[2]: print("S6") b.play("G3") else: print("S2") b.play("A3") #print(cal.value) row.value = [1,1,0,1] if sum(cal.value)>0: if cal.value[0]: print("S15") b.play("B3") elif cal.value[1]: print("S11") b.play("C4") elif cal.value[2]: print("S7") b.play("D4") else: print("S3") b.play("E4") #print(cal.value) row.value = [1,1,1,0] if sum(cal.value)>0: if cal.value[0]: print("S16") b.play("F4") elif cal.value[1]: print("S12") b.play("G4") elif cal.value[2]: print("S8") b.play("A4") else: print("S4") b.play("B4") #print(cal.value) row.value = [0,0,0,0] sleep(0.1) b.stop() cal.when_pressed = key pause() ''' def key(): row.value = [0,1,1,1] if sum(cal.value)>0: if cal.value[0]: print("S13") elif cal.value[1]: print("S9") elif cal.value[2]: print("S5") else: print("S1") #print("row0,col", cal.value.index(1)) #print(cal.value) row.value = [1,0,1,1] if sum(cal.value)>0: if cal.value[0]: print("S14") elif cal.value[1]: print("S10") elif cal.value[2]: print("S6") else: print("S2") #print(cal.value) row.value = [1,1,0,1] if sum(cal.value)>0: if cal.value[0]: print("S15") elif cal.value[1]: print("S11") elif cal.value[2]: print("S7") else: print("S3") #print(cal.value) row.value = [1,1,1,0] if sum(cal.value)>0: if cal.value[0]: print("S16") elif cal.value[1]: print("S12") elif cal.value[2]: print("S8") else: print("S4") #print(cal.value) row.value = [0,0,0,0] #sleep(0.1) cal.when_pressed = key pause() ''' ''' while True: #cal.wait_for_press() #print(cal.value) row.value = [0,0,0,0] if cal.is_pressed: print(cal.value) row.value = [0,1,1,1] if cal.is_pressed: print("r1") for key in range(len(cal.value)): if cal.value[key] == True: print("row0,cal",key,"is pressed") row.value = [1,0,1,1] if cal.is_pressed: print("r2") for key in range(len(cal.value)): if cal.value[key] == True: print("row1,cal",key,"is pressed") row.value = [1,1,0,1] if cal.is_pressed: print("r3") for key in range(len(cal.value)): if cal.value[key] == True: print("row2,cal",key,"is pressed") row.value = [1,1,1,0] if cal.is_pressed: print("r4") for key in range(len(cal.value)): if cal.value[key] == True: print("row3,cal",key,"is pressed") #else: #print("no key") # cal.wait_for_release() sleep(1) pause() ''' ''' from gpiozero import Button from time import sleep #引用时间库 button = Button(11) while True: if button.is_pressed: print("Button is pressed") else: print("Button is not pressed") sleep(1) ''' |
方法2：
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from gpiozero import LED,Button,LEDBoard,ButtonBoard,TonalBuzzer from time import sleep #引用时间库 from signal import pause cal = ButtonBoard(11, 25, 9, 10) row = LEDBoard(24, 23, 22, 27) b = TonalBuzzer(17,octaves=3)#A1 A4 A7 mtone = ["C3", "D3", "E3", "F3", "G3", "A3", "B3", "C4", "D4", "E4", "F4", "G4", "A4", "B4", "C5", "D5", ] row.value = [0,0,0,0] keyvalue = [] def key(): global keyvalue if sum(cal.value)>0: row.value = [0,1,1,1] keyvalue += (list(cal.value)) row.value = [1,0,1,1] keyvalue += (list(cal.value)) row.value = [1,1,0,1] keyvalue += (list(cal.value)) row.value = [1,1,1,0] keyvalue += (list(cal.value)) # print(keyvalue) print(keyvalue.index(1)) b.play(mtone[keyvalue.index(1)]) sleep(0.3) b.stop() keyvalue = [] row.value = [0,0,0,0] cal.when_pressed = key pause() |
tk电子琴
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import tkinter from gpiozero import LED,TonalBuzzer from functools import partial #import tkMessageBox top = tkinter.Tk() bz = TonalBuzzer(17,octaves=3)#A1 A4 A7 mtone = [ "C4", "D4", "E4", "F4", "G4", "A4", "B4", "C5", "D5", ] def call_release(event): b.stop() #print("LED release") #方法1： #def button_p(id): # def a(e): # print(id) # return a #方法2 #def button_p(i): # BT = tkinter.Button(top, text = mtone[i]) # BT.bind('<Button-1>',lambda x:bz.play(mtone[i]))#lambda x:bz.play(x.)) # BT.pack(side = tkinter.LEFT) # #list(map(button_p, range(8))) #方法3 #for i in range(8): # BT = tkinter.Button(top, text = mtone[i]) ## BT.bind('<Button-1>',button_p(i)) #方法1的代码 # BT.bind('<Button-1>',lambda x:bz.play(x.widget["text"]))#lambda x:bz.play(x.)) # BT.pack(side = tkinter.LEFT) #方法4 for tone in mtone: BT = tkinter.Button(top, text = tone) # BT.bind('<Button-1>',button_p(i)) #方法1的代码 BT.bind('<Button-1>',lambda x:bz.play(x.widget["text"]))#lambda x:bz.play(x.)) BT.pack(side = tkinter.LEFT) top.bind('<ButtonRelease-1>',lambda x:bz.stop()) top.mainloop() |
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