34 lines
848 B
Python
34 lines
848 B
Python
import RPi.GPIO as GPIO
|
|
import time
|
|
|
|
GPIO.setmode(GPIO.BCM)
|
|
|
|
key1 = 5
|
|
key2 = 6
|
|
key3 = 13
|
|
key4 = 19
|
|
|
|
GPIO.setup(key1, GPIO.IN, pull_up_down=GPIO.PUD_UP)
|
|
GPIO.setup(key2, GPIO.IN, pull_up_down=GPIO.PUD_UP)
|
|
GPIO.setup(key3, GPIO.IN, pull_up_down=GPIO.PUD_UP)
|
|
GPIO.setup(key4, GPIO.IN, pull_up_down=GPIO.PUD_UP)
|
|
|
|
|
|
def interrupt(channel):
|
|
print("interrupt", channel)
|
|
|
|
|
|
GPIO.add_event_detect(key1, GPIO.FALLING, callback=interrupt, bouncetime=200)
|
|
GPIO.add_event_detect(key2, GPIO.FALLING, callback=interrupt, bouncetime=200)
|
|
GPIO.add_event_detect(key3, GPIO.FALLING, callback=interrupt, bouncetime=200)
|
|
GPIO.add_event_detect(key4, GPIO.FALLING, callback=interrupt, bouncetime=200)
|
|
|
|
tic = 0
|
|
try:
|
|
while True:
|
|
tic = tic + 1
|
|
print("Tic %d" % tic)
|
|
time.sleep(1)
|
|
except KeyboardInterrupt:
|
|
GPIO.cleanup()
|
|
print("\nBye")
|