Subject:
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Re: BrickOS Patches and Development
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Tue, 12 May 2009 01:44:54 GMT
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Viewed:
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29487 times
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I have again updated the Bibo Patch Rollup Collection posted to SourceForge
at
http://sourceforge.net/tracker/?func=detail&aid=2773502&group_id=58151&atid=486699
A big change this time is the consolidation of the code bases of util/firmdl
and util/dll-src. Working with all the similar-but-different code was
getting a bit cumbersome, so I finally decided to try to clean it up. This
should make enhancing or creating other host utilities much easier.
Point by point, updates since the last lugnet posting are as follows:
* Kudos to Joe for identifying the source of the IR tower problem in Linux,
as he tracked it down to the O_NDELAY flag. For now, this flag has been
removed.
* Made NCD tty types a runtime option instead of a compile-time #define.
* Merged patches for BrickOS with Bibo, including LDCC, lnp_printf, and
lnpmsg (formerly LegOShrink)
* Reworked firmdl3, dll, and lnpmsg under utils as well as lnp and
lnp-logic in the kernel to facilitate better code reuse, remove essentially
duplicate code, and establish a set of common functions for rcx_comm and
LNP. Merged the resulting code into util/host, deprecating util/firmld,
util/dll-src, and util/fontdesign.c.
* Util dll--made fast mode a runtime option instead of a compile-time
#define.
* Added ability to send LNP messages directly from the lnpmsg command line.
* Added ir-server from Jochen Hoenike's BrickEmu package and used the code
reworked from above to add support for tty downlinking (e.g. serial, USB,
TCP) or TCP uplinking.
Notes and issues:
* If lnp_integrity_byte() is processing firmware download communication on
the host (e.g. if lnpmsg is listening on an ir-server repeating the firmware
download), a segmentation fault will eventually result.
* Command-line argument format and command-line argument processing - the
various programs use different methods of processing command-line arguments,
resulting in similar argument being handled differently by different
programs. Ideally, this would be addressed in another round of code
cleanup.
* I am not currently setup to test either serial IR towers or NCD serial
connections, so any reports for these devices would be welcome.
Using the updated ir-server, I have actually been able to send firmdl3 to
ir-server (instance A) to ir-server (instance B) to USB IR tower to physical
RCX. I then used
dll to send helloworld_lnp.lx up the same route. Finally with one instance
of lnpmsg listening on ir-server (A) and another instance of lnpmsg
listening on ir-server (B), I ran the helloworld_lnp program on the physical
RCX. I did have to increase RCX_TIMEOUT to 500, but everything otherwise
works as expected.
I also tried the same sequence using BrickEmu (with a ROM image from my RCX)
instead of the USB IR tower. The only anomaly was that "unlock firmware"
fails, but everything else seems to work fine.
Thanks,
Matthew
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Message has 1 Reply:
 | | Re: BrickOS Patches and Development
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| I've again updated the Bibo Patch Rollup Collection posted to SourceForge at (URL) update adds two new patches--18 and 19. 18: For the host utilities, this patch attempts to standardize the command line arguments and their processing. There is also (...) (16 years ago, 16-May-09, to lugnet.robotics.rcx.legos)
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Message is in Reply To:
| | Re: BrickOS Patches and Development
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| I have updated the Bibo Patch Rollup Collection posted to SourceForge at (URL) primary changes are in Patch 11, which provides DCC support, and the key change in that patch was the modification of some assembly code that performed motor controller (...) (16 years ago, 22-Apr-09, to lugnet.robotics.rcx.legos)
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