arduino-mpduino/ttycontrol.py

#!/usr/bin/env python
tty = '/dev/ttyACM1'
baud = 9600

import serial
import time



class SerialMPCduino(object):
    volume = None
    title = None
    artist = None
    album = None
    repeat = None
    shuffle = None
    can_receive = True

    def __init__(self, tty, baud):
        self.serial = serial.Serial(tty, baud)
        
        # Setup
        print("Setup")
        print(self.serial)
        print("------")

    def check_serial(self):
        if ( self.serial.inWaiting() > 0 ): 
            #if incoming bytes are waiting to be read from the serial input buffer
            #read the bytes and convert from binary array to ASCII
            print(self.serial.readline().decode('ascii'))
            # Make sure buffer is empty
            self.check_serial()

    def write_serial(self, string):
        self.serial.write("S"+string+"\n")
        if not self.serial.read(1):
            print("Error")
        self.check_serial()

    def read_serial(self, string):
        self.serial.write("E"+string+"\n")
        return self.serial.readline()



    def setVolume(self, volume):
        if self.volume != volume:
            self.volume = volume
            self.write_serial("V" + str(volume))

    def setTitle(self, title):
        if self.title != title:
            self.title = title
            self.write_serial("T" + str(title))

    def setArtist(self, artist):
        if self.artist != artist:
            self.artist = artist
            self.write_serial("A" + str(artist))

    def setAlbum(self, album):
        if self.album != album:
            self.album = album
            self.write_serial("a" + str(album))

    def setRepeat(self, repeat):
        if self.repeat != repeat:
            self.repeat = repeat
            self.write_serial("r" + str(repeat))

    def setShuffle(self, shuffle):
        if self.shuffle != shuffle:
            self.shuffle = shuffle
            self.write_serial("z" + str(shuffle))

    def readVolume(self):
            return self.read_serial("V")

    def readTitle(self):
            return self.read_serial("T")

    def readArtist(self):
            return self.read_serial("A")

    def readAlbum(self):
            return self.read_serial("a")

    def readRepeat(self):
            return self.read_serial("r")

    def readShuffle(self):
            return self.read_serial("z")



volume = 0
title = "Blub"
artist = "ee"
album = "dd"
repeat = True
shuffle = True

ser = SerialMPCduino(tty, baud)
print("loop")

while True:
    print(volume)
    volume = (volume + 1)
    ser.setVolume(volume)
    ser.setTitle(title)
    ser.setArtist(artist)
    ser.setAlbum(album)
    ser.setRepeat(repeat)
    ser.setShuffle(shuffle)
    ser.readArtist()