def touch_handler(channel, event):
if channel == 1:
cfg.blue = not cfg.blue
if cfg.blue:
hw.light_blue_on()
hw.output_one_on()
else:
hw.light_blue_off()
hw.output_one_off()
if channel == 2:
cfg.yellow = not cfg.yellow
if cfg.yellow:
hw.light_yellow_on()
hw.output_two_on()
else:
hw.light_yellow_off()
hw.output_two_off()
if channel == 3:
cfg.chocks = not cfg.chocks
if cfg.chocks:
cfg.watchdog_running = False
chocks_on()
else:
cfg.watchdog_running = True
chocks_off()
if channel == 4:
hw.light_green_blink(0.1)
cfg.green = True
time.sleep(5)
if cfg.chocks:
hw.light_green_on()
os.system("sudo -s shutdown -h now")
else:
hw.light_green_off()
cfg.green = False
else:
return 'no video'
# URL for single frame feed
@app.route('/single_frame.jpg')
def single_frame():
if cfg.camera_detected:
jpeg = cam.single_frame()
return Response(jpeg, mimetype='image/jpeg; boundary=frame')
else:
return 'no video'
if __name__ == '__main__':
hw.light_green_blink(0.1)
time.sleep(1)
hw.light_green_off()
cfg.camera_detected, cfg.camera = cam.init_camera()
# register signal handler for a clean exit
signal.signal(signal.SIGINT, signal_handler)
# register handler for touchpads
if hw.explorerhat:
hw.xhat.touch.released(touch_handler)
# prepare and start watchdog
wd = threading.Thread(name='watchdog_timer', target=watchdog_timer)
wd.start()
