64 lines
2.1 KiB
Python
Executable File
64 lines
2.1 KiB
Python
Executable File
#!/usr/bin/env python3
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#########################################################################
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# Spaceapi Implementation for a 63A switch
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# (using 5 V 150 mA Raspberry Pi GPIO pin)
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#
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#
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#########################################################################
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# to make sure that everything does not happen at once
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import time
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# json and raspi imports
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import json
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# for using GPIO pins of the raspi
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import RPi.GPIO as GPIO
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# for logging
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import logging
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from systemd import journal
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########################################################
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#start init
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journal.write("CCCHB space api switch v. 0.3")
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currentState = False
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#################################################################################
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#function definitons:
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#################################################################################
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# will read the GPIO header of the pi and write the current state in the www spaceapi json file
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def switched(pos):
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global currentState
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wert_des_schalters = not bool(GPIO.input(pin_number))
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if pos != wert_des_schalters:
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journal.write("state changed to: %s " %wert_des_schalters)
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chn_time = time.time()
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icons = data.get("state").get('icon')
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data.update({'state':{'open':wert_des_schalters,'lastchange':chn_time, "icon":icons}})
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currentState = wert_des_schalters
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with open('/var/www/html/spaceapi.json', 'w') as outfile:
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json.dump(data, outfile,sort_keys=True)
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#################################################################################
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#init GPIO pin on raspi
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pin_number = 18; #set GPIO Pin number
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GPIO.setmode(GPIO.BCM)
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GPIO.setup(pin_number, GPIO.IN, pull_up_down=GPIO.PUD_UP)
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GPIO.add_event_detect(pin_number, GPIO.BOTH, callback=switched, bouncetime=600)
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journal.write("init complete... starting json foo")
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#read json file
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with open('spaceapi.json','r') as infile:
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data = json.load(infile)
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#run switched once to get current switch status and change if needed.
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#switched(wert_des_schalters)
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try:
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while True:
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time.sleep(5)
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switched(currentState)
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#do other stuff otherwise just don't do anything?!
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except KeyboardInterrupt:
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GPIO.cleanup()
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