Initial commit

README.md

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+# Matrix Clock
+
+>> sudo usermod -a -G spi,gpio pi
+>> sudo apt install build-essential python3-dev python3-pip libfreetype6-dev libjpeg-dev libopenjp2-7 libtiff5
+
+
+stomp.py (https://github.com/jasonrbriggs/stomp.py)
+luma.led_matrix (https://luma-led-matrix.readthedocs.io/en/latest/index.html)
+
+py -m pip install XXX
+
+PeopleCount
+LIN#-omxplayer
+Vielleicht auch überflüssigLIN#-mysqlclient (sudo apt-get install python-pip python-dev default-libmysqlclient-dev)
+-numpy
+WIN#-playsound
+LIN#-PyGame (pip)
+-mysql-connector
+-pip install --upgrade "watson-developer-cloud>=2.4.1"
+-pathlib2
+-stomp.py (https://github.com/jasonrbriggs/stomp.py)

requirements.txt

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+gpiozero
+luma.led_matrix

src/matrixclock.py

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+import time
+from datetime import datetime, timedelta
+from luma.core.interface.serial import spi, noop
+from luma.core.render import canvas
+from luma.led_matrix.device import max7219
+from luma.core import legacy
+from luma.core.virtual import viewport
+from luma.core.legacy.font import proportional, CP437_FONT, LCD_FONT
+
+
+messageIncoming=False
+stdContrast=0
+directmessengerInitialized = False
+
+
+def setMsgInc (state):
+    global messageIncoming
+    messageIncoming = state
+    
+def getMsgInc ():
+    global messageIncoming
+    return messageIncoming
+
+def setDirectmessengerState (state):
+    global directmessengerInitialized
+    directmessengerInitialized = state
+    
+def getDirectmessengerState ():
+    global directmessengerInitialized
+    return directmessengerInitialized
+
+def printTextToMatrix (text):
+    global device
+    width=len(text) * 8 + 4 * 8
+    virtual=viewport(device, width + 4 * 8, height=8)
+    with canvas(virtual) as draw:
+        legacy.text(draw, (4 * 8, 0), text, fill="white", font=proportional(CP437_FONT))
+        
+    for offset in range(width):
+        virtual.set_position((offset, 0))
+        time.sleep(0.015)
+    
+def printFlash (count):
+    global device
+    device.contrast(255)
+    while count > 0:
+        with canvas(device) as draw:
+            draw.rectangle((0, 0, 31, 7), outline="white", fill="white")
+        time.sleep(0.1)
+        
+        with canvas(device) as draw:
+            draw.rectangle((0, 0, 31, 7), outline="black", fill="black")
+        time.sleep(0.1)
+        
+        count-=1
+    global stdContrast
+    device.contrast(stdContrast)
+    
+def printDark ():
+    global device
+    device.contrast(0)
+    with canvas(device) as draw:
+        draw.rectangle((0, 0, 31, 7), outline="black", fill="black")
+    global stdContrast
+    device.contrast(stdContrast)
+        
+        
+        
+def getEncodedMsg(message):
+    message.encoding='utf-8'
+    message=message.replace(chr(252), 'ue')
+    message=message.replace(chr(228), 'ae')
+    message=message.replace(chr(246), 'oe')
+    message=message.replace(chr(220), 'Ue')
+    message=message.replace(chr(196), 'Ae')
+    message=message.replace(chr(214), 'Oe')
+    return message
+
+def initializeDirectmessenger ():
+    global directmessengerInitialized
+    try:
+        connection=stomp.Connection([('wncld.goip.de',61613)], keepalive=True)
+        connection.set_listener('', MyListener())
+        connection.start()
+        connection.connect('matrixclock', 'vj4.dV+vy2;ZBa4Y[Bg9=7<K{x9Z78', wait=True)
+        connection.subscribe(destination='/topic/directmessenger', id=1, ack='auto')
+        setDirectmessengerState(True)
+    except:
+        setDirectmessengerState(False)
+        
+def printClock ():
+    hour=str(datetime.now().hour).rjust(2, '0')
+    minute=str(datetime.now().minute).rjust(2, '0')
+    with canvas(device) as draw:
+        draw.rectangle((16, 0, 31, 7), outline="white", fill="white")
+        legacy.text(draw, (0, 1), hour, fill="white", font=proportional(CP437_FONT))
+        legacy.text(draw, (17, 1), minute, fill="black", font=proportional(CP437_FONT))
+        
+def timeInNightRange ():
+    now = datetime.now()
+    return now.hour < 6
+
+def exitClock ():
+    printTextToMatrix("DOWN")
+    printDark()
+    
+    
+
+
+try:
+    serial=spi(port=0, device=0, gpio=noop())
+    device=max7219(serial, width=32, height=8, rotate=2, block_orientation=-90)
+
+    device.contrast(stdContrast)
+
+    while True:
+        #while getMsgInc():
+        #    time.sleep(1)
+
+        if timeInNightRange():
+            printDark()
+            now = datetime.now()
+            timeUntilMorning = 6 - now.hour - (3600 - 60*now.minute - now.second)
+            time.sleep(timeUntilMorning)
+
+        printClock()
+
+        #if getDirectmessengerState() == False :
+        #    initializeDirectmessenger()
+
+        timeUntilNextMinute = 60 - datetime.now().second
+        time.sleep(timeUntilNextMinute)
+except KeyboardInterrupt:
+    print("Matrixclock shuts down, because of ^C")
+    exitClock()
+    exit()
+except BaseException:
+    exitClock()
+    exit()

src/mqtt_printer.py

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+import time
+import sys
+
+import stomp
+
+from luma.core.interface.serial import spi, noop
+from luma.core.render import canvas
+from luma.led_matrix.device import max7219
+from luma.core import legacy
+from luma.core.legacy.font import proportional, CP437_FONT, LCD_FONT
+
+class MyListener(stomp.ConnectionListener):
+    def on_error(self, headers, message):
+        print('received an error "%s"' % message)
+    def on_message(self, headers, message):
+      with canvas(device) as draw:
+         legacy.text(draw, (0, 0), message, fill="white", font=proportional(CP437_FONT))
+      print('received a message "%s"' % message)
+
+conn = stomp.Connection([('192.168.178.36',61613)])
+conn.set_listener('', MyListener())
+conn.start()
+conn.connect('matrixclock', 'vj4.dV+vy2;ZBa4Y[Bg9=7<K{x9Z78', wait=True)
+
+conn.subscribe(destination='/topic/test', id=1, ack='auto')
+
+serial = spi(port=0, device=0, gpio=noop())
+device = max7219(serial, width=32, height=8, block_orientation=-90)
+
+device.contrast(0)
+
+while True:
+   try:
+      time.sleep(3)
+   except KeyboardInterrupt:
+      conn.disconnect()

src/start.sh

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+#! /bin/sh
+# sleep 30
+
+# echo "before screen" >> /home/pi/matrixclock/log.log
+
+screen -dmS matrixclock python /home/pi/matrixclock/matrixclock.py
+
+# echo $? >> /home/pi/matrixclock/log.log
+# echo "after screen" >> /home/pi/matrixclock/log.log