60 lines
1.5 KiB
Python
60 lines
1.5 KiB
Python
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import PySimpleGUI as g
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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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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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results_elem = g.T('', size=(30,1))
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layout = [[g.T('Raspberry Pi LEDs')],
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[results_elem],
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[g.ReadFormButton('Switch LED')],
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[g.ReadFormButton('Flash LED')],
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[g.ReadFormButton('Show slider value')],
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[g.Slider(range=(0, 100), default_value=0, orientation='h', size=(40,20), key='slider')],
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[g.Exit()]
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]
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form = g.FlexForm('Raspberry Pi GUI')
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form.Layout(layout)
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while True:
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button, values = form.Read()
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if button is None:
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break
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if button is 'Switch LED':
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results_elem.Update(SwitchLED())
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elif button is 'Flash LED':
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results_elem.Update('LED is Flashing')
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form.ReadNonBlocking()
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FlashLED()
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results_elem.Update('')
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elif button is 'Show slider value':
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results_elem.Update('Slider = %s'%values['slider'])
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g.MsgBox('Done... exiting')
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