Hardware Reference
In-Depth Information
5. While holding the flex cable in place, push down on the plastic tab to
secure the cable. Make sure the cable is evenly pushed into the connector.
6. There might be a small piece of translucent blue plastic film covering the
camera lens to protect it during transportation. This should be peeled off
and discarded.
Camera module connected to Raspberry Pi
Meet the USB Video Class drivers and
Video4Linux
Just as the ALSA system provides kernel drivers and a programming framework for
your audio gadgets, there are two important components involved in getting your
cameras to work under Linux:
• The Linux
USB Video Class
(
UVC
) drivers provide the low-level functions
for your USB webcam, which are in accordance with a specification followed
by most webcams produced today.
•
Video4Linux
(
V4L
) is a video capture framework used by applications that
record video from cameras, TV tuners, and other video producing devices.
There's an updated version of V4L called V4L2, which we'll want to use
whenever possible.
