0. install opencv and numpy
	pip3 install opencv-python
	pip3 install numpy

1. install libv4l2-dev
	sudo apt install libv4l2-dev

2. install v4l2 modue
	pip3 install v4l2

3. repalce v4l2.py 
	cp ./v4l2.py /.local/lib/python3.5/site-packages/.
	del ./v4l2.py

4. run 
	python3 oCam_1CGN_U.py 
	or
	python3 oCamS-1CGN_U.py




