 | | Re: LegOS + Lego Remote
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here are the diffs, apply against 0.2.4... um, not sure how to do multi-file diffs, so there are 5 files here; note that dll.exe needs to be rebuilt to handle the changed parity... still looking in the kernel for a clean place to stick in timeout (...) (24 years ago, 18-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Persistent globals
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(...) <example code> This worked great for us using legOS 0.2.4. Thanks Eddie! Regards Tobias (24 years ago, 18-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: LegOS + Lego Remote
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Sweet. I've got a remote, and I'd love to be able to play with it- would make the robot look much more interesting to my little brother and sister :) Luis (...) ---...--- "Summertime... and the living is easy... fish are jumping and the cotton is (...) (24 years ago, 18-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: LegOS + Lego Remote
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Sure, I'll clean it up and post the diffs tomorrow... chris (...) (24 years ago, 17-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Persistent globals
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(...) Mike, I don't really have time to test this tonight, but if you find that it does work, please let me know- I'd love to add this to the HOWTO. It's an interesting trick to know. Luis ---...--- "Summertime... and the living is easy... fish are (...) (24 years ago, 17-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Persistent globals
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(...) [snip great gobs of neat info] (...) Assuming it works, it helps a lot! Thanks much. -- "Do not go gentle into that good night. Rage, rage against the dying of the light." - Dylan Thomas Mike Ash - (URL), <mailto:mail@mikeash.com> (24 years ago, 17-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Persistent globals
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(...) legOS 0.2.3 or 0.2.4 will load .strings and .rodata sections just like the .text section. With this you can achive persistent data by storing your variables into the .strings section. There are some nice features in gcc to help with this. Just (...) (24 years ago, 16-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Persistent globals
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(...) It is correct. Everytime you reload a program it re-initializes everything, including a specific program's memory, so all that kind of information is lost. I'm not sure that there is a way to duplicate that behavior, as things stand. The only (...) (24 years ago, 16-Jul-00, to lugnet.robotics.rcx.legos)
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| | Persistent globals
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Whew, I've been writing here a lot. I guess now that things work, it's a lot more enjoyable! :) Anyway, here goes.... I recall that with older versions of legOS, global variables were only initialized once, when the program was downloaded. (...) (24 years ago, 16-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: LegOS + Lego Remote
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Chris- Do you have a patch for that? I'd love to test this myself (not sure if I can- MB crash last week has me still under pretty limited capacity) and if it works reliably, integrate it into the actual source tree... Luis (...) ---...--- (...) (24 years ago, 15-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: LegOS + Lego Remote
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um, never mind... i just set parity to odd for both the LegOS kernel and compiled a new version of dll.exe with odd parity, and it worked fine... have a callback that works for the remote in unofficial 0.2.4 now... a bit unexpected though, with the (...) (24 years ago, 15-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Strange crash (and possible fix)
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(...) Well, it'd be nice to know, certainly, but I'm not going to look into it too hard. The fact is that it works wonderfully now. I compiled and downlaoded probably twenty versions of my program over the past two hours or so, and not a single one (...) (24 years ago, 14-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Strange crash (and possible fix)
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Mike- I wish I knew. I have frequently seen the same kinds of "random" changes produce better results. For example, I had one piece of code that used a switch statement- 19 statements in all. I added a 20th and poof... it froze. I have no idea what (...) (24 years ago, 14-Jul-00, to lugnet.robotics.rcx.legos)
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| | Strange crash (and possible fix)
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I had a strange experience today. My program likes to crash a lot. I accept this as a fact of life now; part of it is the difficulty in debugging it, and part seems to be the beta-ness of legOS. However, today, I tracked down one particularly evil (...) (24 years ago, 14-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: LugNet links
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Some time ago I asked the powers that be at lugnet to change the links, and never heard a word from them about it. Maybe it is time to hassle them about it again. Luis (...) ---...--- "Summertime... and the living is easy... fish are jumping and the (...) (24 years ago, 12-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: LinuxPPC success
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(...) I would like to add it to the HOWTO, or at least to someplace where it is widely publicly available- probably with the instructions at (URL) On another note, where does one find the LNP stuff these days? Arthurdent (...) /Everything/ is a bad (...) (24 years ago, 12-Jul-00, to lugnet.robotics.rcx.legos)
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| | LinuxPPC success
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Well, Dave's advice worked like a charm. Thanks, Dave! It seems like this would be a good thing to add to the HOWTO, although who knows how many other people want to use legOS on LinuxPPC. On another note, where does one find the LNP stuff these (...) (24 years ago, 12-Jul-00, to lugnet.robotics.rcx.legos)
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| | LugNet links
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Hey, everyone. I was just checking out the lugnet page, and was thinking it might be a good idea to update the LegOS links. Perhaps include a link to SourceForge, and fix the HOWTO link. What do you think? And how does one go about this? ROSCO (24 years ago, 12-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: LegOS on LinuxPPC
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(...) The problem is due to a bug in gcc 2.95. The assembly version of memcpy fixes the LegOS kernel, but all your user programs are subject to the same bug. Until it's fixed in gcc, you're stuck with egcs. Regards ROSCO (24 years ago, 12-Jul-00, to lugnet.robotics.rcx.legos)
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| | LegOS + Lego Remote
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Hi All, I've tried patching LegOS 0.2.3 lnp_integrity_byte's state machine to capture the transmissions by the Lego remote. The problem is, I only get a response when I press some combinations of two remote buttons at a time, other combinations and (...) (24 years ago, 11-Jul-00, to lugnet.robotics.rcx.legos)
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