Raspberry Pi Videocore interfaces question - Raspberry Camera

Oleksandr Tymoshenko gonzo at bluezbox.com
Wed Feb 18 23:47:13 UTC 2015


> On Feb 18, 2015, at 3:12 PM, Milan Obuch <freebsd-arm at dino.sk> wrote:
> 
> On Mon, 16 Feb 2015 10:20:20 +0100
> Mikaël Urankar <mikael.urankar at gmail.com> wrote:
> 
>> 2015-02-16 10:16 GMT+01:00 Milan Obuch <freebsd-arm at dino.sk>:
>>> Hi, Gonzo,
>>> 
>>> thanks for fast response! I will try it on my Pi as soon as
>>> currently running upgrade is done.
>>> 
>>> Do I understand it right I should just download the whole repository
>>> and then run 'buildme.freebsd'?
>> 
>> Hi,
>> 
>> I've made a port for raspberrypi-userland based on NetBSD one:
>> http://mikael.urankar.free.fr/FreeBSD/raspberrypi-userland.shar
> 
> Hello,
> 
> I was able to build and install this port with no trouble, but it does
> not work for me. As I am interested now in camera, I tried raspistill
> first, which gives me following
> 
> assertion failure:/usr/ports/misc/raspberrypi-userland/work/gonzoua-userland-11ffc75/interface/vmcs_host/vc_vchi_dispmanx.c:200:vc_vchi_dispmanx_init():success == 0
> 
> While it does clearly indicate where the error occurs, I have
> absolutelly no idea now what could be wrong and how to fix it.
> So if you think you know what I should try, please let me know.
> 
> Just if it could be relevant - I used 11-CURRENT r278801, kernel is
> stock RPI-B. In my /etc/src.conf I have following options set:

I do not have device handy to test it right now but I’ll do it soon.

For now could you try /opt/vc/src/hello_pi/hello_dispmanx to check if it works?

Also how much memory did you assign to GPU? I saw OpenGL ES
stuff failing to initialized due to low GPU memory. May be it’s the case with
camera too? 




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