#from Tkinter import *
import Tkinter as Tk
import serial


def sendPos( channel, position ):
 commport.write(chr(0xFF))
 commport.write(chr(channel & 255))
 commport.write(chr((position >> 8) & 255))
 commport.write(chr(position & 255))

  


commport = serial.Serial()
commport.port = "/dev/ttyUSB0"
commport.baudrate = 9600
commport.open()
#commport.write("Hello world!\r\n")
#n = 0x4849
#commport.write(chr(int(n) >> 8))
#commport.write(chr(int(n) & int(255)))

sendPos( 0x55, 0x4849 )

commport.close()

master = Tk.Tk()
sliderList = []
for count in range(0,32) :
  ctrl = Tk.Scale(master, from_=24000, to=0, showvalue=0 )
  ctrl.set(12000)
  ctrl.grid(column=count, row=1)
  sliderList.append(ctrl)
  w = Tk.Label(master, text=str(count))
  w.grid(column=count, row=2) 


master.mainloop()