Hi Sakari,
2013/2/14 Sakari Ailus <sakari.ailus@xxxxxx>:
> On Thu, Jan 31, 2013 at 05:40:38PM -0200, Adriano Martins wrote:
>> Hi all,
>>
>> I'm trying capture images from an ov5640 sensor on parallel mode. The
>> sensor output format is UYVY8_2X8.
>> And the CCDC input is configured as UYVY8_2X8 too. I can do it, after
>> I applied the Laurent's patches:
>> "[PATCH 0/6] YUV input support for the OMAP3 ISP".
>>
>> I have my sensor configured:
>> {
>> .subdevs = cm-t35_ov5640_primary_subdevs,
>> .interface = ISP_INTERFACE_PARALLEL,
>> .bus = {
>> .parallel = {
>> .data_lane_shift = 2,
>> .clk_pol = 0,
>> .hs_pol = 1,
>> .vs_pol = 1,
>> .data_pol = 1,
>> },
>> },
>>
>> I defined ISP_ISR_DEBUG and DEBUG in the isp.c
>> Then, I configure the media-controller pipeline and try to capture:
>>
>> media-ctl -v -r -l '"ov5640 3-003c":0->"OMAP3 ISP CCDC":0[1]'
>> media-ctl -v -l '"OMAP3 ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]'
>> media-ctl -v -V '"ov5640 3-003c":0 [UYVY2X8 640x480]'
>> media-ctl -v -V '"OMAP3 ISP CCDC":0 [UYVY2X8 640x480]'
>> yavta -f UYVY -s 640x480 --capture=5 --file=image# /dev/video2
>>
>> In this point, it hangs, and I need hit ctrol-c.
>> I get this message:
>> [ 1640.308807] omap3isp omap3isp: CCDC stop timeout!
>
> The CCDC needs to receive a complete frames before it can stop.
>
>> I have observed that I don't get any interrupt messages. However, the
>
> This suggests that the ISP doesn't receive any data from the sensor. You
> should see at least the HS_VS interrupt.
>
> Do you see any ISP interrupts in /proc/interrupts?
I solved my problem. I couldn't see any interrups because I didn't the
mux settings in the pins camera.
Now, I can capture frames from ov5640.
>> DATA0:7, PCLK, HSYNC and VSYNC is working fine, I guess.
>>
>> NOTE: the sensor has externel 24 MHz oscillator, and the signals never
>> stop into CCDC:
>
Thanks
Regards
Adriano Martins
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