170 lines
4.5 KiB
Python
Executable File
170 lines
4.5 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import re
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import serial
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import time
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import signal
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import logging
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import sys
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import schedule
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import paho.mqtt.client as mqtt
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from beamer import acer as beamercodes
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code = beamercodes.clubbeamer()
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def on_connect(client, userdata, flags, rc):
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global beamer_state
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global input_source
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log.debug("Connected with result code " + str(rc))
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beamer_state = readBeamerState()
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client.publish("foobar/oben/cantina/beamer/status", beamer_state, qos=1, retain=True)
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input_source = readInputSource()
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client.publish("foobar/oben/cantina/beamer/source", input_source, qos=1, retain=True)
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client.subscribe("foobar/oben/cantina/beamer/action")
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def on_publish(client, userdata, mid):
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log.debug("mid: "+str(mid))
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def on_message(client, userdata, message):
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msg = message.payload.decode("utf-8")
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log.debug('received message: {}'.format(msg))
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if (msg == "on"):
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ser.write(code.set['on'])
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if (msg == "off"):
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ser.write(code.set['off'])
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if (msg == "vga"):
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ser.write(code.set['vga'])
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if (msg == "hdmi1"):
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ser.write(code.set['hdmi1'][0])
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time.sleep(1)
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ser.write(code.set['hdmi1'][1])
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if (msg == "hdmi2"):
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ser.write(code.set['hdmi2'][0])
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time.sleep(0.5)
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ser.write(code.set['hdmi2'][1])
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time.sleep(0.5)
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ser.write(code.set['hdmi2'][2])
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def readBeamerState():
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ser.write(b"* 0 Lamp ?\r")
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read_val = ser.read(size=64)
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if(re.match(b'.*Lamp.1.*', read_val)):
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status = "on"
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else:
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status = "off"
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return status
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def beamerStatusChanged():
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global beamer_state
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if (beamer_state != readBeamerState()):
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log.debug('Beamer state has changed')
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beamer_state = readBeamerState()
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return True
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else:
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return False
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def readInputSource():
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ser.write(b"* 0 Src ?\r")
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read_val = ser.read(size=64)
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if(re.match(b'.*Src.0.*', read_val)):
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return "no_input"
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elif (re.match(b'.*Src.1.*', read_val)):
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return "vga"
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elif (re.match(b'.*Src.8.*', read_val)):
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return "hdmi"
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elif (readBeamerState()):
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return "off"
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def inputSourceChanged():
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global input_source
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if (input_source != readInputSource()):
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log.debug('Input source has changed to {}'.format(readInputSource() ))
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input_source = readInputSource()
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return True
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else:
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return False
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def terminate(signum, frame):
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log.warn('SIGTERM received. Shutting down!')
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log.info('Closing serial connection')
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ser.close()
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log.info('stopping mqtt client')
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client.loop_stop()
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log.info('disconnecting mqtt client')
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client.disconnect()
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log.info('beamerctl stopped all functions; exit')
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sys.exit(0)
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def getArgs():
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parser = argparse.ArgumentParser()
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parser.add_argument("-v", "--verbose", action="store_true",
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help="increase output verbosity")
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return parser.parse_args()
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def periodicUpdate():
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log.debug('run scheduled statusupdates')
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client.publish("foobar/oben/cantina/beamer/status", readBeamerState(), qos=1, retain=True)
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client.publish("foobar/oben/cantina/beamer/source", readInputSource(), qos=1, retain=True)
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if __name__ == '__main__':
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beamer_state = False
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input_source = False
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signal.signal(signal.SIGINT, terminate)
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args = getArgs()
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logging.basicConfig(
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level=logging.DEBUG, format='%(asctime)s %(name)-12s %(levelname)-8s %(message)s')
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log = logging.getLogger('beamerctl')
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if args.verbose:
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log.setLevel(logging.DEBUG)
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log.info('Loglevel set to DEBUG')
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else:
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log.setLevel(logging.WARN)
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serialport = '/dev/ttyUSB0'
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try:
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ser = serial.Serial(port=serialport, baudrate=9600, timeout=1)
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except serial.serialutil.SerialException as e:
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log.critical(e)
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sys.exit(1)
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client = mqtt.Client()
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client.on_connect = on_connect
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client.on_message = on_message
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client.connect("10.42.0.244", 1883, 60)
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client.loop_start()
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log.debug('schedule periodic statusupdates')
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schedule.every(1).minutes.do(periodicUpdate)
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time.sleep(5)
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while True:
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schedule.run_pending()
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if (inputSourceChanged()):
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client.publish("foobar/oben/cantina/beamer/source",
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input_source, qos=1, retain=True)
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if (beamerStatusChanged()):
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client.publish("foobar/oben/cantina/beamer/status",
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beamer_state, qos=1, retain=True)
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time.sleep(1)
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