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tr808.py
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tr808.py
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# Unihiker TR-808 Drum Machine
# Roni Bandini, September 2023
# Buenos Aires, Argentina
# https://bandini.medium.com/unihiker-tr-808-tributo-a-la-m%C3%ADtica-caja-de-ritmos-roland-3e19d518e86c
# Dependencies: $ gem install beats
# Hardware: 2 DFRobot rotation sensors, one USB sound card
import time
from pinpong.board import *
from pinpong.extension.unihiker import *
from unihiker import GUI
from unihiker import Audio
import subprocess
gui = GUI()
Board().begin()
audio = Audio()
# pot pins
pot1 = Pin(Pin.P21, Pin.ANALOG)
pot2 = Pin(Pin.P22, Pin.ANALOG)
# empty patterns
pattern = []
pattern0=list("................")
pattern1=list("................")
pattern2=list("................")
pattern3=list("................")
pattern4=list("................")
pattern5=list("................")
pattern.append(pattern0)
pattern.append(pattern1)
pattern.append(pattern2)
pattern.append(pattern3)
pattern.append(pattern4)
pattern.append(pattern5)
tempo=100
myY=100
counter=1
b2=0
cursor=0
lineNumber=0
page=1
isPlaying=0
print("Unihiker TR-808 Drum Machine")
print("@RoniBandini - September 2023 - MIT License")
print("")
gui.clear()
img = gui.draw_image(x=0, y=0, w=240, h=320, image='/home/images/portada.jpg')
time.sleep(5)
def updateScreenExporting():
gui.clear()
img = gui.draw_image(x=0, y=0, w=240, h=320, image='/home/images/exporting.jpg')
def updateScreenPlaying():
gui.clear()
img = gui.draw_image(x=0, y=0, w=240, h=320, image='/home/images/playing.jpg')
gui.draw_image(x=120, y=265, w=92, h=33, image='/home/images/start.jpg', origin='center', onclick=lambda: play())
def updateScreen():
gui.clear()
img = gui.draw_image(x=0, y=0, w=240, h=320, image='/home/images/background.jpg')
myY=55
myLine="Page #"+str(page)+" Tempo: "+str(tempo)+" bpm"
gui.draw_text(x = 120,y=myY,text=myLine, font_size=10, color="white", origin='top')
myY=myY+45
line=0
while line<6:
row=0
myX=25
gui.draw_text(x = 5,y=85,text="K", font_size=10, color="white", origin='top')
gui.draw_text(x = 5,y=110,text="S", font_size=10, color="white", origin='top')
gui.draw_text(x = 5,y=133,text="H", font_size=10, color="white", origin='top')
gui.draw_text(x = 5,y=160,text="O", font_size=10, color="white", origin='top')
gui.draw_text(x = 5,y=183,text="R", font_size=10, color="white", origin='top')
gui.draw_text(x = 5,y=210,text="M", font_size=10, color="white", origin='top')
while row<9:
if page==1:
# All these if should be one line but lambda is not accepting line, row parameters, so in the meanwhile a little copy-paste
if line==0 and row==0:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 0))
if line==1 and row==0:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 0))
if line==2 and row==0:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 0))
if line==3 and row==0:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 0))
if line==4 and row==0:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 0))
if line==5 and row==0:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 0))
if line==0 and row==1:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 1))
if line==1 and row==1:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 1))
if line==2 and row==1:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 1))
if line==3 and row==1:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 1))
if line==4 and row==1:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 1))
if line==5 and row==1:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 1))
if line==0 and row==2:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 2))
if line==1 and row==2:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 2))
if line==2 and row==2:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 2))
if line==3 and row==2:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 2))
if line==4 and row==2:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 2))
if line==5 and row==2:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 2))
if line==0 and row==3:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 3))
if line==1 and row==3:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 3))
if line==2 and row==3:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 3))
if line==3 and row==3:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 3))
if line==4 and row==3:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 3))
if line==5 and row==3:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 3))
if line==0 and row==4:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 4))
if line==1 and row==4:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 4))
if line==2 and row==4:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 4))
if line==3 and row==4:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 4))
if line==4 and row==4:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 4))
if line==5 and row==4:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 4))
if line==0 and row==5:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 5))
if line==1 and row==5:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 5))
if line==2 and row==5:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 5))
if line==3 and row==5:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 5))
if line==4 and row==5:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 5))
if line==5 and row==5:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 5))
if line==0 and row==6:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 6))
if line==1 and row==6:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 6))
if line==2 and row==6:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 6))
if line==3 and row==6:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 6))
if line==4 and row==6:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 6))
if line==5 and row==6:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 6))
if line==0 and row==7:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 7))
if line==1 and row==7:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 7))
if line==2 and row==7:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 7))
if line==3 and row==7:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 7))
if line==4 and row==7:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 7))
if line==5 and row==7:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 7))
else:
row=row+8
if line==0 and row==8:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 8))
if line==1 and row==8:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 8))
if line==2 and row==8:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 8))
if line==3 and row==8:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 8))
if line==4 and row==8:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 8))
if line==5 and row==8:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 8))
if line==0 and row==9:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 9))
if line==1 and row==9:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 9))
if line==2 and row==9:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 9))
if line==3 and row==9:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 9))
if line==4 and row==9:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 9))
if line==5 and row==9:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 9))
if line==0 and row==10:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 10))
if line==1 and row==10:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 10))
if line==2 and row==10:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 10))
if line==3 and row==10:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 10))
if line==4 and row==10:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 10))
if line==5 and row==10:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 10))
if line==0 and row==11:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 11))
if line==1 and row==11:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 11))
if line==2 and row==11:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 11))
if line==3 and row==11:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 11))
if line==4 and row==11:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 11))
if line==5 and row==11:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 11))
if line==0 and row==12:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 12))
if line==1 and row==12:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 12))
if line==2 and row==12:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 12))
if line==3 and row==12:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 12))
if line==4 and row==12:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 12))
if line==5 and row==12:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 12))
if line==0 and row==13:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 13))
if line==1 and row==13:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 13))
if line==2 and row==13:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 13))
if line==3 and row==13:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 13))
if line==4 and row==13:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 13))
if line==5 and row==13:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 13))
if line==0 and row==14:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 14))
if line==1 and row==14:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 14))
if line==2 and row==14:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 14))
if line==3 and row==14:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 14))
if line==4 and row==14:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 14))
if line==5 and row==14:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 14))
if line==0 and row==15:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(0, 15))
if line==1 and row==15:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(1, 15))
if line==2 and row==15:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(2, 15))
if line==3 and row==15:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(3, 15))
if line==4 and row==15:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(4, 15))
if line==5 and row==15:
gui.add_button(x=myX, y=myY, w=25, h=25, origin='center', text=pattern[line][row], onclick=lambda: change(5, 15))
row=row-8
row=row+1
myX=myX+28
myY=myY+25
line=line+1
myY=myY+40
#gui.add_button(x=120, y=230, w=100, h=30, text="Play", origin='center', onclick=lambda: play())
gui.draw_image(x=120, y=265, w=92, h=33, image='/home/images/start.jpg', origin='center', onclick=lambda: play())
gui.draw_text(x = 120,y=290,text="Roni Bandini - 9/2023 - Argentina", font_size=10, color="white", origin='top')
def play():
global isPlaying
if isPlaying==0:
print("Exporting...")
with open('/home/beats.txt', 'w') as f:
f.write('Song:\n')
f.write(' Tempo: '+str(tempo)+'\n')
f.write(' Flow:\n')
f.write(' - Verse: x16\n')
f.write(' Kit:\n')
f.write(' - bassdrum: BD.WAV\n')
f.write(' - snaredrum: SD.WAV\n')
f.write(' - clsdhihat: CH.WAV\n')
f.write(' - openhihat: OH.WAV\n')
f.write(' - rimshot: RS.WAV\n')
f.write(' - maracas: MA.WAV\n')
f.write('\n')
f.write('Verse:\n')
f.write(' - bassdrum: '+''.join(pattern[0])+'\n')
f.write(' - snaredrum: '+''.join(pattern[1])+'\n')
f.write(' - clsdhihat: '+''.join(pattern[2])+'\n')
f.write(' - openhihat: '+''.join(pattern[3])+'\n')
f.write(' - rimshot: '+''.join(pattern[4])+'\n')
f.write(' - maracas: '+''.join(pattern[5])+'\n')
print("Beats...")
subprocess.run(["beats", "/home/beats.txt"])
print("Play...")
updateScreenPlaying()
audio.start_play('/home/beats.wav')
isPlaying=1
else:
print("Stop")
audio.stop_play()
updateScreen()
isPlaying=0
def change(line, row):
buzzer.pitch(220, 1)
#print("Changing cursor for "+str(line)+"-"+str(row))
#print("Current content: "+str(pattern[line][row]))
if str(pattern[line][row])==".":
pattern[line][row]="X"
else:
pattern[line][row]="."
updateScreen()
updateScreen()
# main loop
while True:
# read pot values
v1 = pot1.read_analog()
v2 = pot2.read_analog()
# change tempo
if v1<1500:
print("Changing tempo")
tempo=tempo+5
if tempo>200:
tempo=200
updateScreen()
time.sleep(1)
if v1>2300:
print("Changing tempo")
tempo=tempo-5
if tempo<40:
tempo=40
updateScreen()
time.sleep(1)
# change page
if v2>2300:
if page==1:
print("Changing page")
page=2
updateScreen()
time.sleep(1)
if v2<1500:
if page==2:
print("Changing page")
page=1
updateScreen()
time.sleep(1)
time.sleep(1)