RPI USB Camera

code.py

import os
import RPi.GPIO as GPIO
import time
import threading

count = 1

def worker():
print('Worker')
os.system('display test%s.jpg &' %count)

GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)

button = 18
led = 23

GPIO.setup(button, GPIO.IN, pull_up_down=GPIO.PUD_UP)

GPIO.output(led, 0)
time.sleep(3)
print("Ready!")

while True :

buttonState = GPIO.input(button)
if buttonState == False :
time.sleep(0.2)
print("Capture!")
os.system('fswebcam -p YUYV /home/pi/Pictures/buttonForImage/test%s.jpg' %c$
os.system('killall -9 display')
t = threading.Thread(target=worker)
t.start()
time.sleep(1)
count += 1