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ZedBoard Hardware Design Intefacing usb webcam on Zedboard running petalinux
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Related

Intefacing usb webcam on Zedboard running petalinux

Former Member
Former Member over 9 years ago

Hi everyone.
I'm trying to build an application which involve usb webcam interfacing. Here're what I've done:
- Install petalinux and Avnet-Digilent-ZedBoard-2015.4 BSP from Xilinx
- Configure the kernel's device drivers to enable UVC by doing:
petalinux-config -c kernel
Device Drivers > Multimedia Support > Media USB Adapter > USB Video Class (UVC) (also UVC Input Event Support)
- Exclude USB 2.0 OTG FSM Implementation in Device Drivers > USB Support
- the other configurations are left by default
- Build the kernel by running
petalinux-build
- Pack the boot image by runnung
petalinux-package --boot --fsbl <path_to_fsbl_elf> --fpga <path_to_download.bit> --uboot

- Copy BOOT.bin in the root folder of Avner BSP and image.ub in ./images/linux to SD card
- set the jumper, boot up the board from SD card and connect webcam in the USB OTG port

"dmesg | tail" shows nothing related to webcam, so does "ls /dev" (no videox device listed),

What did I miss? Please response.... I can't find support anywhere.

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  • Former Member
    0 Former Member over 9 years ago

    I finally got it to work by following this instruction:
    http://www.wiki.xilinx.com/Zynq+Linux+USB+Device+Driver
    to include neccessary driver and modify the device tree

    An important step is to short the jumpers on both sides of the otg port, to change the capacity of the port when working in host mode, and to supply power to connected usb devices.

    Rebuild the kernel, boot up the board, and a lovely message appears in the console right after a webcam is connect in the usb otg port.

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  • Former Member
    0 Former Member over 8 years ago in reply to Former Member

    Hello that is great.

    Which camera are you using? 

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  • jafoste4
    0 jafoste4 over 8 years ago

    Hi Cherif,

    It appears that the post you are responding to is about 9 months old. LeNgoc if you see this please post which camera solution you used.

    In the mean time, Cherif you can find the various camera solutions we offer located here

    http://zedboard.org/application/embedded-vision

    --Josh

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  • Former Member
    0 Former Member over 8 years ago in reply to jafoste4

    Hi Josh,

    Thanks fro the answer.

    We ordered a MIcroZedboard  Embedded Video kit ( despite the price)  and it is taking months. We were told they are not available and we gave up. We are looking at low cost.

    Hopefully LeNog can see this message and get back to me with some lessons learned and pointers.

    Cherif

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  • jafoste4
    0 jafoste4 over 8 years ago

    Hi Cherif,

    Please refer to your private messages (Top right corner of webpage).

    Thanks,

    Josh

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