4. Demo Source Code
led.py
'''
Please make sure the LED is connected to the correct pins.
The following table describes how to connect the LED to the 40-pin header.
-----------------------------------------
_______LED_________Pin Number_____Pin Name
Positive 22 GPIO50
Negative 6 GND
-----------------------------------------
'''
import VisionFive.gpio as GPIO
import time
led_pin = 22
#Configure the direction of led_pin as output.
GPIO.setup(led_pin, GPIO.OUT)
def light(delay):
#Configure the voltage level of led_pin as high.
GPIO.output(led_pin, GPIO.HIGH)
time.sleep(delay)
#Configure the voltage level of led_pin as low.
GPIO.output(led_pin, GPIO.LOW)
time.sleep(delay)
if __name__ == '__main__':
try:
delay_s = input("Enter delay(seconds): ")
delay = float(delay_s)
while True:
light(delay)
finally:
GPIO.cleanup()
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