Execution instructions:
insmod openvfd.ko
./OpenVFDService &	(run OpenVFDService Daemon to show time)
./OpenVFDService -t &	(run OpenVFDService Daemon in test mode)

Turn led indicators on/off:

1. Alarm led:
echo alarm > /sys/class/leds/openvfd/led_on
echo alarm > /sys/class/leds/openvfd/led_off

2. WiFi led:
echo wifi > /sys/class/leds/openvfd/led_on
echo wifi > /sys/class/leds/openvfd/led_off

3. Ethernet led:
echo eth > /sys/class/leds/openvfd/led_on
echo eth > /sys/class/leds/openvfd/led_off

4. Pause led:
echo pause > /sys/class/leds/openvfd/led_on
echo pause > /sys/class/leds/openvfd/led_off

5. Play led:
echo play > /sys/class/leds/openvfd/led_on
echo play > /sys/class/leds/openvfd/led_off

6. USB led:
echo usb > /sys/class/leds/openvfd/led_on
echo usb > /sys/class/leds/openvfd/led_off

7. Apps led:
echo apps > /sys/class/leds/openvfd/led_on
echo apps > /sys/class/leds/openvfd/led_off

8. Setup led:
echo setup > /sys/class/leds/openvfd/led_on
echo setup > /sys/class/leds/openvfd/led_off

9. Card led:
echo sd > /sys/class/leds/openvfd/led_on
echo sd > /sys/class/leds/openvfd/led_off

10. HDMI led:
echo hdmi > /sys/class/leds/openvfd/led_on
echo hdmi > /sys/class/leds/openvfd/led_off

11. CVBS led:
echo cvbs > /sys/class/leds/openvfd/led_on
echo cvbs > /sys/class/leds/openvfd/led_off

Note: Some displays have indicators 1 - 6, and others 6 - 11.
There is no overlap, and you can't trigger an indicator that
does not exist on your display type.
