CSI-2 configure RAW12

Robotics & Edge Computing Jetson & Embedded Systems Jetson Nano
1

Hi,

Camera connected to Jetson Nano but no frame capture.

The device connection is OV10640 + MAX9271 → MAX9286 → CSI-2 (4 lanes).
OV10640 was configured output to RAW12.
The device tree, driver, sensor_common, camera_common, vi5_format was modified to bayer_bggr12.
Below result show v4l2-ctl is no output until force to stop. The gstreamer return “Internal data stream error” and captured file size is 0.

image
image734×570 188 KB

May I know what is the possible root cause return error?
How to stream RAW12 in correct method?

Regards,
Loh

3

Enable the debug print in csi2_fops.c to check the error status.

4

Hi ShaneCCC,

After enable debug print in csi2_fops.c and run following command.

v4l2-ctl -d /dev/video0 --set-fmt-video=width=1280,height=1080,pixelformat=BG12 --set-ctrl bypass_mode=0 --stream-mmap --stream-count=10 --stream-to=test.raw

Results on dmesg,

[ 86.229935] ov10640_open : v4l2_get_subdevdata
[ 86.233853] ov10640_power_on: power on
[ 86.294155] ov10640_power_off: power off
[ 86.294427] ov10640_power_on: power on
[ 86.317924] ov10640_power_off: power off
[ 125.479628] ov10640_power_on: power on
[ 125.536312] vi 54080000.vi: Calibrate csi port 2
[ 125.540026] ov10640_power_off: power off
[ 125.540216] ov10640_power_on: power on
[ 125.582737] vi 54080000.vi: cil_settingtime was autocalculated
[ 125.582744] vi 54080000.vi: csi clock settle time: 13, cil settle time: 10
[ 125.819361] video4linux video0: frame start syncpt timeout!0
[ 125.825125] vi 54080000.vi: TEGRA_CSI_PIXEL_PARSER_STATUS 0x00000000
[ 125.825130] vi 54080000.vi: TEGRA_CSI_CIL_STATUS 0x00000000
[ 125.825135] vi 54080000.vi: TEGRA_CSI_CILX_STATUS 0x00000000
[ 125.825183] vi 54080000.vi: cil_settingtime was autocalculated
[ 125.825188] vi 54080000.vi: csi clock settle time: 13, cil settle time: 10
[ 126.027904] video4linux video0: frame start syncpt timeout!0
[ 126.034593] vi 54080000.vi: TEGRA_CSI_PIXEL_PARSER_STATUS 0x00000000
[ 126.034611] vi 54080000.vi: TEGRA_CSI_CIL_STATUS 0x00000000
[ 126.034629] vi 54080000.vi: TEGRA_CSI_CILX_STATUS 0x00000000
[ 126.034763] vi 54080000.vi: cil_settingtime was autocalculated
[ 126.034786] vi 54080000.vi: csi clock settle time: 13, cil settle time: 10

What is the meaning?

Regards,
Loh

5

From the log looks like there’s no any error from the REG status. It could be the sensor didn’t output any data to the bus or the lane configure incorrect.

6

Hi ShaneCCC,

I use oscilloscope to check output on OV10640, there is data, HS VS.
When I check output on MAX9286, the 1-clk+4-lane is no output.
(If I change camera to OV10635 UYVY, there is output on MAX9286)

It shall be MAX9271 or MAX9286 configure setting issue.
I have tried different configure but no luck. Do you have any information of RAW12 for MAX9271+MAX9286 setting?

Regards,
Loh

7

Sorry, I don’t have experience for the MAX92xx, You may check with vendor to get help on it.

8

Hi ShaneCCC,

Thank you very much.
I will check with vendor.

Regards,
Loh

9

Hi ShaneCCC,

I have configure MAX9286 CSI-2 output data to Jetson Nano. The format is RAW12, BG12, BGGR.
I want to know how to use gst-launch-1.0 to stream the data to display?

Regards,
Loh

10

Try the nvgstcapture-1.0

11

Hi ShaneCCC,

I found nvgstcapture-1.0 reference in Accelerated_GStreamer_User_Guide.pdf but there is no RAW12 command information.
I tried the simple command
nvgstcapture-1.0 --cus-pre-res=1280x1080 but it stop and the display message below.

===== NVMEDIA: NVENC =====
NvMMLiteBlockCreate : Block : BlockType = 4
Error generated. /dvs/git/dirty/git-master_linux/multimedia/nvgstreamer/gst-nvarguscamera/gstnvarguscamerasrc.cpp, execute:557 No cameras available

If I use v4l2-ctl, it can capture and save the RAW file.

Please provide example to stream RAW12 using nvgstcapture-1.0.

Regards,
Loh

12

This message tell the context in the tegra_camera_platform{} have problem instead of not support RAW12.

Error generated. /dvs/git/dirty/git-master_linux/multimedia/nvgstreamer/gst-nvarguscamera/gstnvarguscamerasrc.cpp, execute:557 No cameras available