import math

import twisted.internet.fdesc

from twisted.internet import reactor

from twisted.internet.task import LoopingCall

from typing import Dict

class BCF2000(object):

    control = {81 : "slider1", 82 : "slider2", 83 : "slider3", 84 : "slider4",

               85 : "slider5", 86 : "slider6", 87 : "slider7", 88 : "slider8",

                1 : "knob1",  2 : "knob2",  3 : "knob3",  4 : "knob4",

        self.dev.write(bytes([0xb0, which[0], int(value)]))

    def close(self):

        self.dev.close()

        self.dev = None

if __name__ == '__main__':

    b = BCF2000()

    reactor.run()