max7219 display mqtt

#!/usr/bin/env python
# nutzer auf der Website
# https://github.com/rm-hull/max7219
import paho.mqtt.client as mqtt

import max7219.led as led
import sys
import time
import RPi.GPIO as GPIO
bounce_time = 200
PIN_A = 21  #pin 13 , header pin 21 , gpio9
a_value = 0


def on_connect(client, userdata, flags, rc):
    print("Connected with result code " + str(rc))

    client.subscribe("/fhem/Web/ActiveUsers")

def on_message(client, userdata, msg):
    visitors_now=str(msg.payload)
    GPIO.setmode(GPIO.BOARD)
    GPIO.setup(PIN_A, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
    #GPIO.add_event_detect(PIN_A, GPIO.RISING, callback=my_callback, bouncetime=bounce_time)
    from max7219.font import proportional, SINCLAIR_FONT, TINY_FONT, CP437_FONT
    device = led.matrix(cascaded=2)
    from random import randrange
    device.brightness(1)
    device.show_message("Besucher:")
    device.show_message(visitors_now)

client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message

client.connect("192.168.178.67", 1883, 60)

client.loop_forever()



def my_callback(channel):
    if channel == PIN_A:
                global a_ok
                a_value = 1
        device.show_message("Besucher:")
        device.show_message(getVisitorsLast7days())


def test_callback(channel):
        if channel == PIN_A:
                global a_ok
                a_value = 1
                device.show_message("Besucher:")
                device.show_message(getVisitorsLast7days())

GPIO.setmode(GPIO.BOARD)


GPIO.setup(PIN_A, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
#GPIO.add_event_detect(PIN_A, GPIO.FALLING, callback=my_callback)
GPIO.add_event_detect(PIN_A, GPIO.RISING, callback=my_callback, bouncetime=bounce_time)

#while GPIO.input(PIN_A) == GPIO.LOW:
 #       time.sleep(0.01)


##### GPIO 9 ist der Taster!

from random import randrange

# aktuelle Besucher reinholen
visitors_now=besucher
visitors_7days=777
enum_visitors_now=enumerate(sys.argv[1])
enum_visitors_7days=enumerate(sys.argv[2])




def getVisitors():
    if (visitors_now  >  0 ):
            for n, c in enum_visitors_now:
                    device.letter(n, ord(c))
    else:
        device.letter(1, ord('0'))

def getVisitors2():
        if (visitors_now  >  0 ):
                for n in range(c,visitors_now):
                        device.letter(n, ord(c))
        else:
                device.letter(1, ord('0'))


def getVisitorsLast7days():
    #for n, c in enum_visitors_7days:
    #   device.letter(n, ord(c))
        #time.sleep(2)
    device.show_message(enum_visitors_7days)
    #device.show_message("hallo welt")

from max7219.font import proportional, SINCLAIR_FONT, TINY_FONT, CP437_FONT
device = led.matrix(cascaded=2)
from random import randrange
device.brightness(1)


getVisitors()


#while True:
#   if ( GPIO.input (9) == True ) :
#       getVisitors()
#       time.sleep(2)
#
#   else :
#       getVisitorsLast7days()
#       time.sleep(2)
#       break


#device.show_message("Inverse")
#device.show_message(sys.argv[2], font=TINY_FONT)
#device.show_message(sys.argv[2])