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camera not enabled #4

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guy111a opened this issue Jul 13, 2022 · 5 comments
Open

camera not enabled #4

guy111a opened this issue Jul 13, 2022 · 5 comments

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@guy111a
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guy111a commented Jul 13, 2022

Hello

I got a bananaPI M2 Zero and got the recommended camera module.
Trying to follow this manual, downloaded the image, it is working.

when trying to init the camera i get this:
pi@banana:$ sudo media-ctl --device /dev/media1 --set-v4l2 '"ov5640 2-003c":0[fmt:YUYV8_2X8/1280x720]'
Failed to enumerate /dev/media1 (-2)
pi@banana:$ sudo media-ctl --device /dev/media1 --set-v4l2 '"ov5640 2-003c":0[fmt:YUYV8_2X8/640x480]'
Failed to enumerate /dev/media1 (-2)
pi@banana:~$

I activated all io of the board (i2c etc') no help.

From DMESG:
pi@banana:$ dmesg | grep capture -a3 -n5
109-[ 1.192517] libata version 3.00 loaded.
110-[ 1.192815] usbcore: registered new interface driver usbfs
111-[ 1.192863] usbcore: registered new interface driver hub
112-[ 1.192910] usbcore: registered new device driver usb
113-[ 1.193053] mc: Linux media interface: v0.10
114:[ 1.193087] videodev: Linux video capture interface: v2.00
115-[ 1.193217] pps_core: LinuxPPS API ver. 1 registered
116-[ 1.193225] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti giometti@linux.it
117-[ 1.193245] PTP clock support registered
118-[ 1.193965] Advanced Linux Sound Architecture Driver Initialized.
119-[ 1.194992] NetLabel: Initializing
pi@banana:$

so, would like help in getting it to work.

Thank you.
bpi2mz

Guy
@Qengineering
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I'm not sure what's causing your problem. It looks like a hardware problem.
Are you 100% sure that you have the OV5640 camera suitable for the BananaPIi-M2? There are OV5640 cameras with opposite wiring.

I downloaded the image again and tested it on my BPi. No problems here. I have listed a number of diagnostic screens below.

Screenshot_2022-07-15_09-38-32
Screenshot_2022-07-15_09-39-44
Screenshot_2022-07-15_09-39-21
Screenshot_2022-07-15_09-27-24

@guy111a
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guy111a commented Jul 15, 2022 via email

@Qengineering
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In that case it should (eventually) work; you use the same hardware.

@burpen
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burpen commented Oct 4, 2022

I experienced this problem with the same board and camera. Initially, on first boot I successfully used the camera following the instructions in the readme. I then updated all packages in aptitude and rebooted. Afterwards, /dev/media1 and /dev/video1 were no longer present.

pi@banana:~$ v4l2-ctl --list-devices
cedrus (platform:cedrus):
	/dev/video0

pi@banana:~$ ls /dev/video*
/dev/video0
pi@banana:~$ ls /dev/media*
/dev/media0
pi@banana:~$

After this I restored a fresh image and the camera worked once more. Looking at scrollback from my earlier session, I noticed that one of the packages that was upgraded was linux-image-current-sunxi. I suspect that doing so caused my problems, although I haven't confirmed. If appropriate, I would suggest putting a hold on that package in aptitude.

@guy111a
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guy111a commented Oct 11, 2022 via email

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@burpen @guy111a @Qengineering