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import RPi.GPIO as GPIO def are_all_gpios_in_use(): GPIO.setmode(GPIO.BCM) # Set pin numbering to Broadcom scheme all_pins_in_use = True for channel in range(2, 28): # GPIO pins typically range from 2 to 27 on Raspberry Pi try: function = GPIO.gpio_function(channel) if function != GPIO.IN and function != GPIO.OUT: all_pins_in_use = False break except ValueError: # GPIO channel is invalid continue return all_pins_in_use if __name__ == "__main__": all_pins_in_use = are_all_gpios_in_use() if all_pins_in_use: print("All GPIO pins are in use.") else: print("Not all GPIO pins are in use.")
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