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MainMidi.py
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MainMidi.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Script that generates a MIDI signal to the serial port
Author: Malyshev S.E.(https://github.com/sergey12malyshev)
Version = '1.3.1'
Python version: 3.7.3
Platform: Raspberry PI 3 Model B v1.2
Created: 24.10.2022
Updated: see git histiry
Todo:
"""
import serial
import time
import RPi.GPIO as GPIO
from random import randint
# Global variable start:
ser = serial.Serial('/dev/ttyS0', baudrate=31250)
BUZZ_PIN = 17
BUTTON_PIN = 2
CHANNEL = 2 # This represents MIDI channel
NOTE_MAX = 71
NOTE_MIN = 36
note = NOTE_MIN
flagUp = True
flagDown = False
melodyNumber = 0
oldmelodyNumber = 0
DEBUG = False # Will set True to run debug mode
# Global variable end
GPIO.setwarnings(False) # Disable warnings
GPIO.setmode(GPIO.BCM)
GPIO.setup(BUZZ_PIN,GPIO.OUT)
GPIO.output(BUZZ_PIN, False)
GPIO.setup(BUTTON_PIN, GPIO.IN, pull_up_down=GPIO.PUD_UP) # Устанавливаем вывод в режим "вход" c подтяжкой
class Buzzer(object):
def drive(self, timeSleep):
GPIO.output(BUZZ_PIN, True)
time.sleep(timeSleep)
GPIO.output(BUZZ_PIN, False)
class MIDI(object): # MIDI driver interface
def __init__(self, ch):
self.channel = ch
def playNote(self, note: int, timeOnLocal: float, timeOffLocal: float):
global melodyNumber, oldmelodyNumber
NOTE_OFF = 8 # (0x8n) Комманда выключить ноту
NOTE_ON = 9 # (0x9n) Комманда включить ноту
velocity = 100 # Сила нажатия клавиши, interrupter её не воспринимает (должна быть больше 0)
def controlInputNotes():
if note > NOTE_MAX or note < NOTE_MIN:
print("ERROR value input note")
buzzer.drive(0.6)
controlInputNotes()
ser.write(bytearray([(NOTE_ON << 4) | self.channel, note, velocity]))
time.sleep(timeOnLocal)
ser.write(bytearray([(NOTE_OFF << 4) | self.channel, note, velocity]))
time.sleep(timeOffLocal)
if DEBUG:
print(str(note)+' '+str(timeOnLocal)+' '+str(timeOffLocal))
if oldmelodyNumber != melodyNumber:
oldmelodyNumber = melodyNumber
main()
@staticmethod
def resetMidi():
SYS_RESET = 0xFF # Системное сообщение - сброс всех устройств https://ccrma.stanford.edu/~craig/articles/linuxmidi/misc/essenmidi.html
ser.write(bytearray([SYS_RESET, 0, 0])) # Сдвига на 4 и сложения с номером канала нет т.к. системное сообщение
time.sleep(0.1)
def button_callback(channel):
# https://sourceforge.net/p/raspberry-gpio-python/wiki/Inputs/
global melodyNumber
buzzer.drive(0.02)
melodyNumber += 1
if melodyNumber == 10:
melodyNumber = 0
if DEBUG:
print("Button was pushed!")
print(f"Set melody: {melodyNumber}")
# Melody functions start
def popcorn_melody():
timeOn = 0.095
timeOff = 0.135
def popcorn_1tact(timeOnLocal, timeOffLocal):
i = 0
popcorn1 = [57, 55, 57, 52, 49, 52, 45]
while i < len(popcorn1):
midi.playNote(popcorn1[i], timeOnLocal, timeOffLocal)
i += 1
def popcorn_2tact(timeOnLocal, timeOffLocal):
i = 0
popcorn2 = [57, 59, 60, 59, 60, 57, 59, 57, 59, 55, 57, 59, 57, 53, 57]
while i < len(popcorn2):
midi.playNote(popcorn2[i], timeOnLocal, timeOffLocal)
i += 1
def popcorn_3tact(timeOnLocal, timeOffLocal):
i = 0
popcorn3 = [57, 59, 60, 59, 60, 57, 59, 57, 59, 55, 57, 55, 57, 59, 60]
while i < len(popcorn3):
midi.playNote(popcorn3[i], timeOnLocal, timeOffLocal)
i += 1
def pause():
time.sleep(timeOff * 1.5)
popcorn_1tact(timeOn, timeOff)
pause()
popcorn_1tact(timeOn, timeOff)
pause()
popcorn_2tact(timeOn, timeOff)
pause()
popcorn_1tact(timeOn, timeOff)
pause()
popcorn_1tact(timeOn, timeOff)
pause()
popcorn_3tact(timeOn, timeOff)
pause()
pause()
def mortalKombat_melody():
timeOn = 0.2
timeOff = 0.07
i = 0
mortalKombat = [
57, 57, 60, 57, 62, 57, 64, 62,
60, 60, 64, 60, 67, 60, 64, 60,
55, 55, 59, 55, 60, 55, 62, 60,
53, 53, 57, 53, 60, 53, 60, 59
]
mortalKombat2 = [
57, 57, 57, 57, 55, 60, 57, 57, 57, 55, 52,
57, 57, 57, 57, 55, 60, 57, 57, 57, 57, 57, 57, 57
]
while i < len(mortalKombat):
midi.playNote(mortalKombat[i], timeOn, timeOff)
i += 1
def valcesDogs_melody():
timeOn = 0.3
timeOff = 0.1
i = 0
valcesDogsNote = [
65, 67, 67, 65, 67, 67, # this 1 tact
64, 67, 67, 64, 67, 67, # this 2 tact
62, 71, 71, 62, 71, 71, # this 3 tact
60, 60, 60, 60, 59, 57 # this 4 tact
]
while i < len(valcesDogsNote):
midi.playNote(valcesDogsNote[i], timeOn, timeOff)
i += 1
def mario_melody():
timeOn = 0.2
timeOff = 0.07
timeOnDiv2 = timeOn / 2
timeOffMult2 = timeOff * 2
def mario_tact1(timeOn, timeOff):
midi.playNote(67, timeOnDiv2, timeOff)
midi.playNote(66, timeOnDiv2, timeOff)
midi.playNote(65, timeOnDiv2, timeOff)
midi.playNote(63, timeOnDiv2, timeOffMult2)
midi.playNote(64, timeOnDiv2, timeOffMult2)
def mario_tact2(timeOn, timeOff):
midi.playNote(56, timeOnDiv2, timeOff)
midi.playNote(57, timeOnDiv2, timeOff)
midi.playNote(60, timeOnDiv2, timeOffMult2)
midi.playNote(57, timeOnDiv2, timeOff)
midi.playNote(60, timeOnDiv2, timeOff)
midi.playNote(62, timeOnDiv2, timeOff * 4)
def mario_tact3(timeOn, timeOff):
midi.playNote(60, timeOn, timeOffMult2)
midi.playNote(55, timeOnDiv2, timeOff * 4)
midi.playNote(52, timeOn, timeOffMult2)
midi.playNote(57, timeOnDiv2, timeOffMult2)
midi.playNote(59, timeOnDiv2, timeOffMult2)
midi.playNote(58, timeOnDiv2, timeOff)
midi.playNote(57, timeOn, timeOff)
midi.playNote(64, timeOnDiv2, timeOff)
midi.playNote(64, timeOnDiv2, timeOffMult2)
midi.playNote(64, timeOnDiv2, timeOffMult2)
midi.playNote(60, timeOnDiv2, timeOff)
midi.playNote(64, timeOn, timeOff)
midi.playNote(67, timeOn * 2, timeOffMult2)
midi.playNote(55, timeOn * 2, timeOffMult2)
mario_tact3(timeOn, timeOff)
midi.playNote(55, timeOn * 3 / 4, timeOff)
midi.playNote(64, timeOn * 3 / 4, timeOff)
midi.playNote(67, timeOn * 3 / 4, timeOff)
midi.playNote(69, timeOn, timeOff)
midi.playNote(65, timeOnDiv2, timeOff)
midi.playNote(67, timeOnDiv2, timeOffMult2)
midi.playNote(64, timeOnDiv2, timeOffMult2)
midi.playNote(60, timeOnDiv2, timeOff)
midi.playNote(62, timeOnDiv2, timeOff)
midi.playNote(59, timeOnDiv2, timeOff * 4)
mario_tact3(timeOn, timeOff)
midi.playNote(55, timeOn * 2 / 3, timeOff)
midi.playNote(64, timeOn * 2 / 3, timeOff)
midi.playNote(67, timeOn * 2 / 3, timeOff)
midi.playNote(69, timeOn, timeOff)
midi.playNote(65, timeOnDiv2, timeOff)
midi.playNote(67, timeOnDiv2, timeOffMult2)
midi.playNote(64, timeOnDiv2, timeOffMult2)
midi.playNote(60, timeOnDiv2, timeOff)
midi.playNote(62, timeOnDiv2, timeOff)
midi.playNote(59, timeOnDiv2, timeOff * 8)
mario_tact1(timeOn, timeOff)
mario_tact2(timeOn, timeOff)
mario_tact1(timeOn, timeOff)
midi.playNote(60, timeOnDiv2, timeOffMult2)
midi.playNote(60, timeOnDiv2, timeOff)
midi.playNote(60, timeOn, timeOff * 8)
mario_tact1(timeOn, timeOff)
mario_tact2(timeOn, timeOff)
midi.playNote(63, timeOn, timeOffMult2)
midi.playNote(62, timeOnDiv2, timeOff * 4)
midi.playNote(60, timeOn, timeOff * 12)
def imperialMarch_melody():
timeOn = 0.35
timeOff = 0.18
timeOnDiv2 = timeOn / 2
timeOnDiv4 = timeOn / 4
timeOffDiv2 = timeOff / 2
def imperialMarch_tact(timeOn, timeOff):
midi.playNote(67, timeOn, timeOff)
midi.playNote(55, timeOn * 0.75, timeOffDiv2)
midi.playNote(55, timeOnDiv4, timeOffDiv2)
midi.playNote(67, timeOn, timeOff)
midi.playNote(66, timeOn * 0.75, timeOffDiv2)
midi.playNote(65, timeOnDiv4, timeOffDiv2)
midi.playNote(64, timeOnDiv4, timeOffDiv2)
midi.playNote(63, timeOnDiv4, timeOffDiv2)
midi.playNote(64, timeOnDiv2, timeOff * 2)
midi.playNote(56, timeOnDiv2, timeOffDiv2)
midi.playNote(61, timeOn, timeOff)
midi.playNote(60, timeOn * 0.75, timeOffDiv2)
midi.playNote(59, timeOnDiv4, timeOffDiv2)
midi.playNote(58, timeOnDiv4, timeOffDiv2)
midi.playNote(57, timeOnDiv4, timeOffDiv2)
midi.playNote(58, timeOnDiv2, timeOff * 2)
midi.playNote(51, timeOnDiv2, timeOffDiv2)
midi.playNote(54, timeOn, timeOff)
midi.playNote(51, timeOn * 0.75, timeOffDiv2)
midi.playNote(54, timeOnDiv4, timeOffDiv2)
def imperialMarch_tact2(timeOn, timeOff):
midi.playNote(55, timeOn, timeOff)
midi.playNote(51, timeOn * 0.75, timeOffDiv2)
midi.playNote(58, timeOnDiv4, timeOffDiv2)
midi.playNote(55, timeOn * 2, timeOff * 2)
# this 1 tact
midi.playNote(55, timeOn, timeOff)
midi.playNote(55, timeOn, timeOff)
midi.playNote(55, timeOn, timeOff)
midi.playNote(51, timeOn * 0.75, timeOffDiv2)
midi.playNote(58, timeOnDiv4, timeOffDiv2)
# this 2 tact
imperialMarch_tact2(timeOn, timeOff)
# this 3 tact
midi.playNote(62, timeOn, timeOff)
midi.playNote(62, timeOn, timeOff)
midi.playNote(62, timeOn, timeOff)
midi.playNote(63, timeOn * 0.75, timeOffDiv2)
midi.playNote(58, timeOnDiv4, timeOffDiv2)
# this 4 tact
midi.playNote(54, timeOn, timeOff)
midi.playNote(51, timeOn * 0.75, timeOffDiv2)
midi.playNote(58, timeOnDiv4, timeOffDiv2)
midi.playNote(55, timeOn * 2, timeOff * 2)
# this 5 tact and 6 tact and 7 tact
imperialMarch_tact(timeOn, timeOff)
# this 8 tact
midi.playNote(59, timeOn, timeOff)
midi.playNote(55, timeOn * 0.75, timeOffDiv2)
midi.playNote(59, timeOnDiv4, timeOffDiv2)
midi.playNote(62, timeOn * 2, timeOff * 2)
# this 9 and 10 and 11 tact
imperialMarch_tact(timeOn, timeOff)
# this 12 tact
imperialMarch_tact2(timeOn, timeOff)
def missionImpossible_melody():
timeOn = 0.25
timeOff = 0.09
timeOnDiv2 = timeOn / 2
timeOffDiv2 = timeOff / 2
i = 0
def tact1():
midi.playNote(55, timeOn, timeOff * 2)
midi.playNote(55, timeOnDiv2, timeOff * 4)
midi.playNote(58, timeOn, timeOff)
midi.playNote(60, timeOn, timeOff)
midi.playNote(55, timeOn, timeOff * 2)
midi.playNote(55, timeOnDiv2, timeOff * 4)
midi.playNote(53, timeOn, timeOff)
midi.playNote(54, timeOn, timeOff)
def solo1():
midi.playNote(70, timeOnDiv2, timeOff)
midi.playNote(67, timeOnDiv2, timeOff)
midi.playNote(62, timeOn * 4, timeOff)
midi.playNote(58, timeOn, timeOff)
midi.playNote(60, timeOn, timeOff)
def solo2():
midi.playNote(70, timeOnDiv2, timeOff)
midi.playNote(67, timeOnDiv2, timeOff)
midi.playNote(61, timeOn * 4, timeOff)
midi.playNote(53, timeOn, timeOff)
midi.playNote(54, timeOn, timeOff)
def solo3():
midi.playNote(70, timeOnDiv2, timeOff)
midi.playNote(67, timeOnDiv2, timeOff)
midi.playNote(60, timeOn * 4, timeOff)
midi.playNote(58, timeOn, timeOff)
midi.playNote(60, timeOn, timeOff)
def solo4():
midi.playNote(58, timeOnDiv2, timeOff)
midi.playNote(60, timeOn, timeOff)
midi.playNote(55, timeOn + (timeOnDiv2), timeOff)
midi.playNote(55, timeOnDiv2, timeOff * 4)
midi.playNote(53, timeOn, timeOff)
midi.playNote(54, timeOn, timeOff)
while i < 8:
midi.playNote(62, 0.1, 0.01)
i += 1
midi.playNote(62, timeOnDiv2, timeOffDiv2)
midi.playNote(64, timeOnDiv2, timeOffDiv2)
midi.playNote(65, timeOnDiv2, timeOffDiv2)
midi.playNote(66, timeOnDiv2, timeOffDiv2)
tact1()
tact1()
solo1()
solo2()
solo3()
solo4()
tact1()
def omen_melody():
timeOn = 0.33
timeOff = 0.05
timeOnDiv2 = timeOn / 2
timeOnDiv4 = timeOn / 4
def oneTact():
midi.playNote(59, timeOn + (timeOnDiv2), timeOff)
midi.playNote(70, timeOnDiv2, timeOff)
midi.playNote(71, timeOnDiv2, timeOff)
midi.playNote(70, timeOnDiv2, timeOff)
midi.playNote(71, timeOnDiv2, timeOff)
midi.playNote(70, timeOnDiv2, timeOff)
def twoTact():
midi.playNote(59, timeOnDiv2, timeOff)
midi.playNote(65, timeOnDiv2, timeOff)
midi.playNote(59, timeOnDiv2, timeOff)
midi.playNote(62, timeOnDiv4, timeOff)
midi.playNote(60, timeOnDiv4, timeOff)
oneTact()
midi.playNote(62, timeOn + (timeOnDiv2), timeOff)
midi.playNote(61, timeOnDiv2, timeOff)
midi.playNote(62, timeOnDiv2, timeOff)
midi.playNote(61, timeOnDiv2, timeOff)
midi.playNote(62, timeOnDiv2, timeOff)
midi.playNote(66, timeOnDiv2, timeOff)
oneTact()
midi.playNote(59, timeOn + (timeOnDiv2), timeOff)
midi.playNote(70, timeOnDiv2, timeOff)
midi.playNote(71, timeOnDiv2, timeOff)
midi.playNote(70, timeOnDiv2, timeOff)
midi.playNote(71, timeOnDiv2, timeOff)
midi.playNote(70, timeOnDiv2, timeOff * 1.2)
def test_ladderNotes():
global note, flagUp, flagDown
timeOn = 0.12
timeOff = 0.07
if flagUp:
note += 1
if (note >= NOTE_MAX):
note = NOTE_MAX
flagUp = False
flagDown = True
if flagDown:
note -= 1
if (note <= NOTE_MIN):
note = NOTE_MIN
flagUp = True
flagDown = False
midi.playNote(note, timeOn, timeOff)
def randomNotes():
random_note = randint(36,71)
midi.playNote(random_note, 0.5, 0.05)
# Melody functions end
GPIO.add_event_detect(2, GPIO.FALLING, callback=button_callback, bouncetime=250)
buzzer = Buzzer()
midi = MIDI(CHANNEL)
def main():
while True:
mN = melodyNumber
if (mN == 0):
mortalKombat_melody()
elif (mN == 1):
mario_melody()
elif (mN == 2):
imperialMarch_melody()
elif (mN == 3):
valcesDogs_melody()
elif (mN == 4):
popcorn_melody()
elif (mN == 5):
omen_melody()
elif (mN == 6):
missionImpossible_melody()
elif (mN == 7):
test_ladderNotes()
elif (mN == 8):
randomNotes()
else:
midi.resetMidi()
try:
main()
except:
GPIO.cleanup()
print("Программа завершена, "
"выводы GPIO возвращены "
"в исходное состояние.")