58 lines
1.4 KiB
Python
58 lines
1.4 KiB
Python
#!/usr/bin/env python
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import sys
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if sys.version_info[0] >= 3:
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import PySimpleGUI as sg
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else:
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import PySimpleGUI27 as sg
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# GUI for switching an LED on and off to GPIO14
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# GPIO and time library:
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import RPi.GPIO as GPIO
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import time
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# determine that GPIO numbers are used:
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GPIO.setmode(GPIO.BCM)
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GPIO.setup(14, GPIO.OUT)
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def SwitchLED():
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varLEDStatus = GPIO.input(14)
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varLedStatus = 0
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if varLedStatus == 0:
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GPIO.output(14, GPIO.HIGH)
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return "LED is switched ON"
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else:
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GPIO.output(14, GPIO.LOW)
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return "LED is switched OFF"
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def FlashLED():
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for i in range(5):
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GPIO.output(14, GPIO.HIGH)
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time.sleep(0.5)
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GPIO.output(14, GPIO.LOW)
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time.sleep(0.5)
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layout = [[sg.T('Raspberry Pi LEDs')],
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[sg.T('', size=(14, 1), key='output')],
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[sg.Button('Switch LED')],
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[sg.Button('Flash LED')],
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[sg.Exit()]]
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window = sg.Window('Raspberry Pi GUI', grab_anywhere=False).Layout(layout)
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while True:
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event, values = window.Read()
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if event is None:
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break
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if event is 'Switch LED':
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window.FindElement('output').Update(SwitchLED())
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elif event is 'Flash LED':
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window.FindElement('output').Update('LED is Flashing')
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window.Refresh()
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FlashLED()
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window.FindElement('output').Update('')
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window.Close()
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sg.Popup('Done... exiting')
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