The YCbCr digital output can be programmed as 8-bit 4:2:2 or 8-bit ITU-R BT.656 parallel interface standard.<br>'''Summary of Line Frequencies, Data Rates, and Pixel Counts'''<br>
{| width="480" cellspacing="1" cellpadding="1" border="0" align="left" width="480" style=""
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! scope="col" | STANDARDS <br>(ITU-R BT.601) <br>
<br>
= Get the ISP kernel branch Dependecies =
You can access to our latest isp kernel branch using our git repository from [http://git*IGEP Board with TVP5151 peripheral (IGEPv2 Expansion Board or IGEP Berlin).igep*Camera with PAL output live video.es/?p=pub/scm/linux-omap-2.6.git;a=shortlog;h=refs/heads/linux-2.6.35.y-omap3isp here]*IGEP SDK (IGEP VM suggested).
Get a local copy from our repository. <pre>git clone git://git.igep.es/pub/scm/linux-omap-= Kernel 2.6.gitgit checkout linux-2.6.3537.y-omap3isp</pre> === Build the Kernel IGEP Firmware Yocto == Configure the kernel <pre>source /usr/local/poky/eabi-glibc/environment-setup-arm-none-linux-gnueabimake ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- igep0020_defconfigmake ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- uImage modulesmake ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- modules_install INSTALL_MOD_PATH=[path to your target rootfs</pre> By default the iommu2, tvp5151 and omap3-isp drivers be build inside the kernel but you can configure it for build as module using this [http://downloads.igep.es/files/tvp5151/config alternative configuration file].<br> If you wish use this alternative configuration file copy it in the kernel sources root directory and rename the file as:<br> <pre>mv config .config</pre> Build the kernel with this configuration file:<br> <pre>source /usr/local/poky/eabi-glibc/environment-setup-arm-none-linux-gnueabimake ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- uImage modulesmake ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- modules_install INSTALL_MOD_PATH=[path to your target rootfs</pre> After build the kernel and the modules you must install it on the IGEP board.
Also you can download ''(from [[How to create a SD-card with the compiled images from herelatest software image]])'' {{: How to create a SD-card with the latest software image}}
[http== Configure TVP5151 ==<section begin=configure />Use the following steps to configure analog video://downloads.igep.es/files/tvp5151/uImage Kernel 2.6.35 (uImage)]
[http://downloads.igep.es/files/tvp5151/zImage Kernel 2.6.35 *Connect a video composite input to J501 connector from IGEPv2 Expansion (
zImagenear CAN Bus)
] [http://downloads.igep.es/files/tvp5151/linux-2.6.35-10-modules.tgz Kernel 2.6.35 or J402 connector from IGEP BERLIN (
Modules]near HDMI output)
= TVP5151 Setup<br> = You need the program [http://downloads.igep.es/files/media-ctl media-ctl] this program it's useful *Connect a screen, for
configure the ISPexample HDMI monitor.
<br> If you use the iommu2, tvp5151 *Refresh repositories and
isp as modules before start you must insert accept it
inside the kernel as:<br> <pre>modprobe iommu2modprobe omap3-isp</pre> The insert order must be first the iommu2 and after that the omap3-isp.
<br> == Steps to configure the ISP and TVP5151<br> == Configure the right ISP routing.<br> <pre>
./media-ctl -r -l '"tvp5150 2-005c":0->"OMAP3 ISP CCDC":0[1], "OMAP3 ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]'zypper ref </pre>
Configure the video capture setup.<br> *Install video4linux2 plugin<pre>
./media-ctl -zypper in gst-
setplugins-
format '"tvp5150 2good-
005c":0 [UYVY 720x628]'video4linux2</pre>
<section end=configure />
== Play with TVP5151
==<
brsection begin=playigepv2 />
<section begin=
You can use for get the captured images [http:playberlin /
/downloads.igep.es/files/tvp5151/yavta yavta] or gstreamer as live stream.<br>
This is the suggested yavta capture setup:*Load OMAP ISP kernel module<br> <pre>
./yavta modprobe omap3-
f UYVY -s 720x628 -n 4 --capture=4 -F /dev/video2isp
</pre>
or the gstreamer pipeline setup<section end=playberlin />*Configure ISP, for PAL resulution use 720x576 for NTSC resolution use 720x480 for '''IGEPv2 Expansion''':<br><pre>media-ctl -r -l '"tvp5150 2-005c":0->"OMAP3 ISP CCDC":0[1], "OMAP3 ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]'media-ctl -v --set-format '"tvp5150 2-005c":0 [UYVY 720x480]'media-ctl -v --set-format '"OMAP3 ISP CCDC":0 [UYVY 720x480]'media-ctl -v --set-format '"OMAP3 ISP CCDC":1 [UYVY 720x480]' </pre> <section end=playigepv2 /><section begin=playberlin />*Configure ISP, for PAL resulution use 720x576 for NTSC resolution use 720x480 for '''IGEP BERLIN''':<br>
<pre>media-ctl -r -l '"tvp5150 3-005d":0->"OMAP3 ISP CCDC":0[1], "OMAP3 ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]'media-ctl -v --set-format '"tvp5150 3-005d":0 [UYVY 720x480]'media-ctl -v --set-format '"OMAP3 ISP CCDC":0 [UYVY 720x480]'media-ctl -v --set-format '"OMAP3 ISP CCDC":1 [UYVY 720x480]' </pre> <section begin=playigepv2 />*Export display<pre>export DISPLAY=:0.0 </pre> *Launch gstreamer<pre>gst-launch-0.10 -v v4l2src device=/dev/video2 queue-size=
18 ! video/x-raw-yuv,format=\(fourcc\)UYVY,width=720,height=
628480 ! ffmpegcolorspace !
omapdmaifbsinkautovideosink</pre>
= Dependeces<br> =*Now you can see in your IGEP screen a result similar like this*IGEPv2 board with a Expansion board.<br> *Camera with PAL output live video.<br> *ISEE IGEPv2 toolchain (IGEP VM suggested)<br> *Gstreamer. = BUGS Detected = {| width="1000" bordercellspacing="1" cellpadding="1" cellspacingborder="1"|-! scopewidth="col200" | Issue ID! scope="col" | Description! scope="col" | Affected! scope="col" | Resolution
|-
| TVP5151-0031| TVP5151 it's not right initialized with IGEPv2 - DM3730| IGEPv2 RC board with DM3730| [http[Image://gitIgepv2expgstreamercapture.igep.es/?p=pub/scm/linux-omap-2.6.git;a=commit;h=4a2cb9a2582e1252f5643d196f876d81c7d57904 Patchjpg|400px]]
|}
<section end=playigepv2 />
<section end=playberlin />
<br> [[Category:How_to_forge]] [[Category:Gstreamer]] [[Category:Hardware]] [[Category:LinuxSoftware applications]]
