question about imx8qm M4 rear_view_camer demo

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question about imx8qm M4 rear_view_camer demo

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jinchen1227
Contributor II

I use the imx8qm-mek board and use the rear_view_camera demo in M4 core:

1. Can I change this demo run on M4-core0? I modify the cmakelist but it doesn't work

2. I use board->lvds->it6263->hdmi monitor to display the demo, but I find that after the function APP_InitDisplay called there will be almost 1 second before the nxp logo display on the monitor, I didn't find where this time is consumed in the code, why this take so long?

Thank you!

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vinothkumars
Senior Contributor IV

Hi,

I need some info from your side,

which display connector you are using?

Currently, I am using IMX-LVDS-HDMI ( LVDS to HDMI adaptor card (mini SAS)) and display itself not up in M4.

IMX-LVDS-HDMI-Image

Do I needs to do any configuration in M4 SDK side  (source/vendor/nxp/mcu-sdk-auto/SDK_MEK-MIMX8QM/boards/mekmimx8qm/demo_apps/rear_view_camera) ?

Thanks & Regards,

VinothS,

Regards,
Vinothkumar Sekar
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xu_ji1
Contributor V

Hi,

Did your connector is it6263?

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vinothkumars
Senior Contributor IV

Hi Xu Ji ,

Will you please share your RVC cold boot images ?

RVC Cold Boot,

pastedImage_1.png

Thanks & Regards,

VInoth S,

Regards,
Vinothkumar Sekar
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vinothkumars
Senior Contributor IV

Hi Xu hi,

view camera demo is working  (Needs to connect HDMI Monitor at J8 connector of LVDS Port as per schematic (SPF-29420_C2.pdf) instead of J7 Connector.)

 

 

 

 

Thank You,

Vinoth S,

Regards,
Vinothkumar Sekar
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