[Elphel-support] how do I reflash the camera via netboot mode?

[Ákos Maróy]

Andrey,

> Akos, the image looks really bad - I'm afraid this time the board is
> really broken. It is our fault - we suggested you to take the board
> out and twist it (something wrong as I wrote before). As the result of
> such twisting there are either the broken contacts between the pads
> and the traces - either on the FPGA or on the video memory. ESD damage
> can also be the cause. The only thing you can try while waiting for
> the replacement board - try to carefully reinsert the cable that
> connects the sensor board and the system one, at least at the end
> where you already disconnected it. But the connection is rather
> fragile so you might accidentally pull the cable on the other end too
> while disassembling the camera.

ok, I'll try to do this tomorrow.

> You probably meant 108% of memory, not the CPU  - yes, that is normal.
> The program uses huge (for the camera) 19MB circular buffer with mmap,
> doing that twice to simplify processing of the compressed image files
> that roll over - with such mmap usage all the image files can be
> processed as continuous ones. And 3 instances - well it was designed
> so, that the first one launches the RTSP server - it wasn't me who
> wrote that code, so I'm not ready to describe all the details of the
> str operation. Multiple (3) instances of PHP - that is my
> responsibility, I configured it lighttpd as a compromise between
> memory and performance, these instances are waiting to process PHP
> scripts using FastCGI.

thanks for the explanation. yes, it was 104% of the memory.


Akos