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 Robotics / NXT / NXT Firmware Hacking / 79
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Subject: 
Re: Alternate NXT-Firmware flashing tools
Newsgroups: 
lugnet.robotics.nxt.nxthacking
Date: 
Thu, 26 Jul 2007 19:50:30 GMT
Viewed: 
18479 times
  
In lugnet.robotics.nxt.nxthacking, Juergen Stuber wrote:
Hi Christian,

"Christian Mock" <chrimo-@-moccy.xdsnet.de> writes:

Please give me some hints where to start.
I haven't found any --verbose command line parameters, yet :D

you could add some code in lowlevel.c to dump the USB packets,
and then look if you see anything wrong.


Jürgen

ReHi Jürgen,
yes this is a trivial job, but what should I learn from this packets ?
fwflash returns no error back to commandline ...
Does this mean fwflash works blindly and returns no protocol or packet errors ?
Why is the result "success" ???

Questions over questions :D

My problem is, I did not understand exactly the lower level protocol and
handling of the flashroutines...

How can I debug it ?
I hoped that anybody of the "creators" have done this before, or is nobody using
fwflash with the NXT ?

Moin Moin :D
Christian



Message has 1 Reply:
  Re: Alternate NXT-Firmware flashing tools
 
Hi Christian, (...) if you have an endianness problem it should be visible. The easiest would be to compare it with a little-endian machine. (...) It uses the SAM-BA protocol, which is rather simple and without error checking, more like what a human (...) (17 years ago, 28-Jul-07, to lugnet.robotics.nxt.nxthacking)

Message is in Reply To:
  Re: Alternate NXT-Firmware flashing tools
 
Hi Christian, (...) you could add some code in lowlevel.c to dump the USB packets, and then look if you see anything wrong. Jürgen (17 years ago, 26-Jul-07, to lugnet.robotics.nxt.nxthacking)

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