Hi Laurent, On Wed, Dec 21, 2011 at 6:55 PM, Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> wrote: > Hi James, > > On Wednesday 21 December 2011 04:06:33 James wrote: >> On Wed, Dec 21, 2011 at 10:50 AM, James wrote: >> > On Thu, Dec 15, 2011 at 6:10 PM, Michael Jones wrote: >> >> Hi James, >> >> >> >> Laurent has a program 'media-ctl' to set up the pipeline (see >> >> http://git.ideasonboard.org/?p=media-ctl.git). You will find many >> >> examples of its usage in the archives of this mailing list. It will >> >> look something like: >> >> media-ctl -r >> >> media-ctl -l '"OMAP3 ISP CCDC":1 -> "OMAP3 ISP CCDC output":0 [1]' >> >> media-ctl -l '"your-sensor-name":0 -> "OMAP3 ISP CCDC":0 [1]' >> >> >> >> you will also need to set the formats through the pipeline with >> >> 'media-ctl --set-format'. >> >> >> >> After you use media-ctl to set up the pipeline, you can use yavta to >> >> capture the data from the CCDC output (for me, this is /dev/video2). >> >> >> >> >> >> -Michael >> > >> > I encountered some obstacles with the driver testing of my monochrome >> > sensor on top of Steve's 3.0-pm branch. An NXP SC16IS750 I2C-UART >> > bridge is used to 'transform' the sensor into a I2C device. >> > >> > The PCLK, VSYNC, HSYNC (640x512, 30Hz, fixed output format) are free >> > running upon power-on the sensor unlike MT9V032 which uses the XCLKA >> > to 'power-on/off' it. >> > >> > My steps, >> > >> > 1) media-ctl -r -l '"mono640":0->"OMAP3 ISP CCDC":0:[1], "OMAP3 ISP >> > CCDC":1->"OMAP3 ISP CCDC output":0[1]' >> > >> > Resetting all links to inactive >> > Setting up link 16:0 -> 5:0 [1] >> > Setting up link 5:1 -> 6:0 [1] >> > >> > 2) media-ctl -f '"mono640":0[Y12 640x512]", "OMAP3 ISP CCDC":1[Y12 >> > 640x512]' >> > >> > Setting up format Y12 640x512 on pad OMAP3 ISP CCDC/0 >> > Setting up format Y12 640x512 on pad OMAP3 ISP CCDC/1 >> > >> > 3) yavta -p -f Y12 -s 640x512 -n 4 --capture=61 --skip 1 -F `media-ctl >> > -e "OMAP3 ISP CCDC output"` --file=./DCIM/Y12 >> > >> > Unsupported video format 'Y12' >> > >> > Did I missed something? > > I've just pushed a patch to the yavta repository to support Y10 and Y12. > Please update. > >> > What parameters did you supplied to yavta to test the Y10/Y12 >> > >> > Many thanks in adv. >> > Sorry if duplicated emails received. >> >> I changed the parameters for yavta from "-f Y12" to "-f Y16" >> >> yavta -p -f Y16 -s 640x512 -n 2 --capture=10 --skip 5 -F `media-ctl -e >> "OMAP3 ISP CCDC output"` --file=./DCIM/Y16 >> >> and there are 2 chunks of message at the console now and it ended with >> "Unable to request buffers: Invalid argument (22).". >> >> I've attached the logfile here. (mono640.log) >> >> Hope you can assist me to grab the raw Y12 data to file. > > -- > Regards, > > Laurent Pinchart Tried the new yavta but encountered a different situation. yavta -p -f Y12 -s 640x512 -n 2 --capture=10 --skip 5 -F `media-ctl -e "OMAP3 ISP CCDC output"` --file=./DCIM/Y12 yavta will hang for infinite time and only Ctrl+C will break out of the wait and a new error message appears. yavta: video_do_capture: calling ioctl.. ^C omap3isp omap3isp: CCDC stop timeout! I placed some debugging printf() and yavta wait at ret = ioctl(dev->fd, VIDIOC_DQBUF, &buf); Attached is the logfile (mono640.yavta-y12.1.log) What should be the remedies? Many thanks in adv. -- Regards, James
root@overo:~# lsmod Module Size Used by bufferclass_ti 4976 0 omaplfb 8280 0 pvrsrvkm 155471 2 bufferclass_ti,omaplfb ipv6 229162 18 mono640 10309 1 libertas_sdio 14851 0 libertas 92190 1 libertas_sdio omap3_isp 106957 0 cfg80211 161767 1 libertas v4l2_common 8885 2 mono640,omap3_isp videodev 78776 3 mono640,omap3_isp,v4l2_common media 12192 3 mono640,omap3_isp,videodev lib80211 5435 1 libertas firmware_class 6327 2 libertas_sdio,libertas ads7846 10524 0 root@overo:~# media-ctl -r -v -l '"mono640":0->"OMAP3 ISP CCDC":0[1], "OMAP3 ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]' Opening media device /dev/media0 Enumerating entities Found 16 entities Enumerating pads and links Resetting all links to inactive Setting up link 16:0 -> 5:0 [1] Setting up link 5:1 -> 6:0 [1] root@overo:~# media-ctl -v -f '"mono640":0[Y12 640x512], "OMAP3 ISP CCDC":1[Y12 640x512]' Opening media device /dev/media0 Enumerating entities Found 16 entities Enumerating pads and links Setting up format Y12 640x512 on pad mono640 3-004d/0 overo: setting xclk to 25000000 hz Format set: Y12 640x512 Setting up format Y12 640x512 on pad OMAP3 ISP CCDC/0 Format set: Y12 640x512 overo: setting xclk to 0 hz Setting up format Y12 640x512 on pad OMAP3 ISP CCDC/1 Format set: Y12 640x512 root@overo:~# yavta -p -f Y12 -s 640x512 -n 2 --capture=10 --skip 5 -F `media-ct l -e "OMAP3 ISP CCDC output"` --file=./DCIM/Y12 overo: setting xclk to 25000000 hz Device /dev/video2 opened. Device `OMAP3 ISP CCDC output' on `media' is a video capture device. Video format set: Y12 (20323159) 640x512 buffer size 655360 Video format: Y12 (20323159) 640x512 buffer size 655360 2 buffers requested. length: 655360 offset: 0 MMAP: Buffer 0 mapped at address 0x4010b000. length: 655360 offset: 655360 MMAP: Buffer 1 mapped at address 0x40319000. Press enter to start capture yavta: video_do_capture: calling ioctl.. ^C omap3isp omap3isp: CCDC stop timeout!
