 | | Re: Ideas for 0.2.5 (was: Re: Possible bug with bss allocation)
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This will be my last post for a few hours- I have real work to do :) (...) Generally, user programs have it pretty simple for this already (which is why I had thought of this some time ago, and then dismissed it.) I had never considered the (...) (24 years ago, 24-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: light sensor problem?
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(...) (URL) > I doubt we need this very fast reading of sensors. This makes implementing (...) Yes, when we have user space timers... (...) This is correct, but there are many good reasons for keeping assembly low bandwidth, like pitfalls in (...) (24 years ago, 24-Jul-00, to lugnet.robotics.rcx.legos)
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| | Ideas for 0.2.5 (was: Re: Possible bug with bss allocation)
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(...) Shure, no problem. (...) While we are at it, I have two other major changes in mind: - Implement timers. A timer would install a callback function with a private to the caller void * argument. This callback function is called at the timers (...) (24 years ago, 24-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: light sensor problem?
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(...) :) Bad is, of course, all relative... (...) Yes, though IMHO fast = good. It allows us to do things with legOS that might not be doable with other firmwares. (...) I'm not sure which comments you are referring to- do you have a URL for the (...) (24 years ago, 24-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: light sensor problem?
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(...) It doesn't surprise me that someone has already worked this out. (...) It really, really doesn't surprise me that Michael was the one who worked it out. If no one thinks it is too big an overhead, I can put it in in an hour or so when I do a (...) (24 years ago, 24-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: light sensor problem?
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(...) Oh! So readings are more stable, and it isn't just my imagination. That's good to know :) (...) Those values used to pretty cleanly define max and min- or at least, they must have, since I consistently got 15-105 values (or roughly what he (...) (24 years ago, 24-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: light sensor problem?
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(...) To achive scaling of light sensor reading from 0..100 the following theoretical formula should be used: light = 146 - scaled / 7, where scaled is the reading of AD_X >> 6. I found this at (URL) this page contains a lot of electrical (...) (24 years ago, 24-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Possible bug with bss allocation
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(...) Paolo and others: Eddie and I have talked about this, and we both agree that this is a big change- so I think we are aiming for this for 0.2.5. Since it has already been seven months since 0.2.3, I think we'll aim for getting 0.2.4 out the (...) (24 years ago, 24-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: light sensor problem?
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(...) I looked through the dsensor stuff, and it looks quite bad to me... We execute a delay loop inside an interrupt handler. We issue the command to start the next read from that same handler. This will read the sensors very quickly, for the cost (...) (24 years ago, 24-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: light sensor problem?
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(...) I'm the one that fixed active sensor reading... :-) Settle time is one of mine... Kekoa msg about this problem (a very old one in this ng if I remember) helped me to solve things. (...) I patched the reading routine in ds_handler to fix a vary (...) (24 years ago, 24-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Possible bug with bss allocation
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"Eddie C. Dost" <ecd@skynet.be> wrote in message news:200007222049.WA...set.net... (...) trivial, (...) In my opinion this is a great idea! :-) Please do the implementation! It also could be very usefull to have some docs / makefile options to make (...) (24 years ago, 23-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: light sensor problem?
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(...) Having fixed the other screwup, I can report that snipping the code I discussed earlier allows everything to build just fine. It doesn't, however, solve the issue with the light sensors. I also tried swapping the two lines I mentioned earlier: (...) (24 years ago, 23-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: semi, sort of, not quite but almost 0.2.4
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Slight problem with lcd.c that would have prevented a clean build has been fixed. Feel free to try again :) Luis (...) fish are jumping and the cotton is high... So hush, little baby, baby don't you cry." -Ella ---...--- (24 years ago, 23-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: light sensor problem?
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(...) It has changed from 0.1.x- Markus (who seems to have just about disappeared off the face of the planet) re-wrote a lot of that. On the other hand, in the actual ds_handler function not much has changed: the only thing that is apparent is that (...) (24 years ago, 23-Jul-00, to lugnet.robotics.rcx.legos)
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| | first small error
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The tarball has at least one .orig file in it (a leftover from some patches I applied last night.) Ignore them- they shouldn't affect the build at all, and I'll get them out for later. Luis ---...--- "Summertime... and the living is easy... fish are (...) (24 years ago, 23-Jul-00, to lugnet.robotics.rcx.legos)
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| | semi, sort of, not quite but almost 0.2.4
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Hey, everybody- It's been a while (nearly seven months, actually) since there was a legOS release. Markus did quite a lot of work on it before he dumped it into CVS, and Paolo Massetti and I have put in a little bit of work on it over the past (...) (24 years ago, 23-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Possible bug with bss allocation
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(...) I have a proposal to the legOS developers: The current tool chain to generate executables for legOS is a little off: We generate coff-h8300 from .c or .S sources, next ld generates symbolsrec relocated files from that. This step is done twice (...) (24 years ago, 22-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Possible bug with bss allocation
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(...) Thanks for the fix, it works great. Dave Baum (24 years ago, 22-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: Possible bug with bss allocation
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(...) The common section is aligned to 16 bytes by ld. This is unknown to the tools generating the final .lx files. The fix is to force the alignment of the .bss section to 2, with this ld will generate files that work with the current tools. I (...) (24 years ago, 22-Jul-00, to lugnet.robotics.rcx.legos)
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| | Possible bug with bss allocation
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I was having some random hangs with a legOS program. If I added a little code or subtracted a little, everything started working again. I've isolated it to a problem whereby writing a zero to the last byte of bss data will hang the RCX. This only (...) (24 years ago, 22-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: light sensor problem?
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(...) In active mode, the value you read from the light sensor depends on how you power the sensor and read the A/D converters. In particular, the delay from the time you turn off the power to the sensor to the time you do A/D conversion matters. (...) (24 years ago, 21-Jul-00, to lugnet.robotics.rcx.legos)
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| | light sensor problem?
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Ok, so i'm supposed to be the guru, but I don't get it: all my light sensors are currently showing a range of adjusted values between 60-310, instead of the 20-110 that I'm used to seeing. The sensor is in active mode (passive mode still shows (...) (24 years ago, 21-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: EGCS and GCC
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(...) Maybe your reply got sent to the cyber-trash, too. I never saw my post or any replies. (...) Yeah, pretty simple. Hopefully there won't be too many other instances in the kernel, and they're all one-liners to fix. (...) Well, I'll probably (...) (24 years ago, 20-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: LugNet links
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(...) I'll take care of it... Luis ---...--- "Summertime... and the living is easy... fish are jumping and the cotton is high... So hush, little baby, baby don't you cry." -Ella ---...--- (24 years ago, 20-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: LugNet links
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(...) If someone could email me a list of URLs, I'll take care of it. --Todd (24 years ago, 20-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: EGCS and GCC
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I am using egcs version 1.1.2. When I make cross LANGUAGES="c c++", it will run, but then display gcc:cc1 Internal error 7, or something close to that. It is an internal error to the compiler, and the error code genterated in 7. When I compile it (...) (24 years ago, 20-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: EGCS and GCC
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(...) I saw it. Don't know if others did. I thought I replied? (...) one liners :) (...) That would be nice if true :) (...) It will definitely need some more HOWTO updates. That's quite OK, especially if it means we can "standardize" all the (...) (24 years ago, 20-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: EGCS and GCC
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Which version of egcs? And what are the errors? Luis (...) ---...--- "Summertime... and the living is easy... fish are jumping and the cotton is high... So hush, little baby, baby don't you cry." -Ella ---...--- (24 years ago, 20-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: EGCS and GCC
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Okay. Binutils compiled and installed fine, but when I try to compile egcs, I get many errors, unrelated to any libraries. When I run the failed commands manually (without make), they compile fine. Then I got an error about not having enough virtual (...) (24 years ago, 20-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: EGCS and GCC
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(...) made (...) Andy (and others), Note that you can now use gcc 2.95.2 to compile legOS - I posted about this yesterday, but it seems to have got lost in the LugNet hiccup. The problem is not with the compiler, but with the options in the in-line (...) (24 years ago, 19-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: EGCS and GCC
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Shouldn't. That's what my current set of tools was compiled with. When I referred (elsewhere?) to "changes with 2.95," I meant only that 2.95 has a different configuration syntax. Luis (...) ---...--- "Summertime... and the living is easy... fish (...) (24 years ago, 19-Jul-00, to lugnet.robotics.rcx.legos)
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| | EGCS and GCC
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I am downloading the source for egcs 1.1.2 now. I was jsut wondering if it made any difference if I was compiling this, and binutils, with GCC 2.95. I know that there are errors in it, but I did not think that this will be a problem. Just thought (...) (24 years ago, 19-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: missing posts
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I think lugnet had a burp. I just got a post I sent days ago, plus (I think) the other ones that you sent. Luis (...) ---...--- "Summertime... and the living is easy... fish are jumping and the cotton is high... So hush, little baby, baby don't you (...) (24 years ago, 19-Jul-00, to lugnet.robotics.rcx.legos)
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| | missing posts
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i posted the diffs for the remote 2 hours ago, but they haven't appeared yet... anyone know if lugnet has trouble with posts containing chars from diff? (like the less than and greater than symbols)... chris (24 years ago, 18-Jul-00, to lugnet.robotics.rcx.legos)
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| | patch 1/3
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weird, i posted this an hour ago but nothing happened... i'll try posting in parts... patch util/dll-src/rcxtty.c 126c126 < dcb.Parity = 0; // 0-4=no,odd,even,mark,space --- (...) patch kernel/lnp-logical.c 212c212 < S_MR =SMR_P_NONE; --- (...) (24 years ago, 18-Jul-00, to lugnet.robotics.rcx.legos)
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| | 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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| | dll 0.2.3 fails on SGI
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Hello all, My first time on this list... I've been trying to get LegOS running in my recently aquired RCX 1.0. I created an egcs cross-compiler for Solaris. I used this to compile the kernel. The IR tower is connected to an SGI (an O^2 running IRIX (...) (24 years ago, 11-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: LegOS on LinuxPPC
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(...) Ah, excellent. I saw this post when you posted it, but didn't think about it much at the time. I'll give this a shot and report back. Thanks very much. -- "Do not go gentle into that good night. Rage, rage against the dying of the light." - (...) (24 years ago, 11-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: LegOS on LinuxPPC
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In article (...) I have had better luck with egcs-1.1.2 rather than gcc 2.95.2. I've heard that there's a problem with the way gcc 2.95.2 generates code for memcpy. I've also heard that the fix is to use an assembly version of memcpy instead of (...) (24 years ago, 11-Jul-00, to lugnet.robotics.rcx.legos)
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| | LinuxPPC gcc errors
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Ok, I have some error messages here. I'm following the exact instructions in the HOWTO, except for using gcc 2.95.2 instead of egcs 1.1.2. I recall trying egcs with similar results. The make proceeds fine for a while. Then I get this message, and (...) (24 years ago, 11-Jul-00, to lugnet.robotics.rcx.legos)
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| | LegOS on LinuxPPC
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I recall somebody writing to this list about a problem with LegOS under LinuxPPC, and the message seemed to imply that things were mostly happy. I can't make the compiler compile. I'm using gcc 2.95.2. The make proceeds for a good while, then I get (...) (24 years ago, 10-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: compiling
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(...) Never mind everyone got it to work. Patrick (24 years ago, 7-Jul-00, to lugnet.robotics.rcx.legos)
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| | compiling
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I am new to this message board so I am sorry if this topic has already been covered. I have been tring to make, but have been unsuccessful. The OS that I am currently trying to use is legOS 2.3. I keep recieving the error message: h8300-hms-gcc.exe: (...) (24 years ago, 6-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS battery life code
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Sorry! I forgot to post the code. Here it is: #include <dsensor.h> #include <dlcd.h> #include <conio.h> int get_battery_mv() { long b; int mv; b = BATTERY; b = ds_scale(b) * 0xABD4L; mv = b / 0x618L; return mv; } int main(int ac, char **av) { int b; (...) (24 years ago, 5-Jul-00, to lugnet.robotics.rcx.legos)
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| | legOS battery life code
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Hello, I recently received some code in the mail that when compiled and uploaded to the RCX is supposed to give you the battery life. But when I go to compile it, legOS/util/makelx gives me the following error message: single byte different at (...) (24 years ago, 5-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: rotation sensor problem, again...
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I had the same problem and I solved it with a msleep(50). msleep(10) is not enough. (...) (24 years ago, 3-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: battery life indicator
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if((BATTERY/0x0016)<700) dlcd_show(LCD_BATTERY_X); I always put this line on my programs. BATTERY/0x0016 gives the value in V*100 of all batteries open circuit voltage. <700 is the limit for rotation sensors to work (all the other sensors have (...) (24 years ago, 3-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: interrupts for buttons
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Sorry about the long delay, I've been away. Demo.c is inaccessable because it was written for 0.1.7 and I've not yet had the time to update it. Unfortunately, this is going to be a semi-major task and so will probably be one of the last things to (...) (24 years ago, 2-Jul-00, to lugnet.robotics.rcx.legos)
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| | Re: java/RCX combo
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I'm currently trying to recreate the JavaOne Mindstorms demo which Sun used in 1999 to show off its Jini(tm) capabilities. Will let you know once I succeed - at the moment the problems are more related to Java(tm) than anything else. -thomas (24 years ago, 28-Jun-00, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | Re: Making LegOS under Win98
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Hi All I was wondering if anyone has some sample LNP applications posted anywhere, or if there is any sample code and/or docs online. I'm having abi tof difficulty diving into it, so to speak ;-) Colin Ryan (24 years ago, 28-Jun-00, to lugnet.robotics.rcx.legos)
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| | interrupts for buttons
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I'm trying to connect the Run button to an "event function" so that I can shut down my system nice and clean instead of the evil kill that is happening right now. It seems I can't access demo.c that is in the HOWTO, so I'm not sure how I'd do this. (...) (24 years ago, 27-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: memory leak in string handling
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And the problem is solved. Perhaps my pains can be used for something good anyway. Perhaps the people who suggested their beautiful strcat-functions can have (at least the prettiest one) them included in a future release. And if you're wondering how (...) (24 years ago, 26-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: memory leak in string handling
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Thank you everyone who helped out. The strcat function works like a charm. Unfortunately, the memory leak is still there. I'm beginning to think it might be that the strings are never deallocated at all. I'm going to have to check so that the (...) (24 years ago, 26-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: Making LegOS under Win98
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I did not have the lnp.c file, so I copied it to the util/dll-src directory. It did not change anything. Then I downloaded and installed the CVS version. It still gave the same errors. This is exactly what errors were specified: (...) (24 years ago, 24-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: Making LegOS under Win98
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Hmm. OK, well, if you look in ../Makefile.user (which is included from demo/Makefile) on the very last line you'll see this: %.lx: %.ds1 %.ds2 $(MAKELX) $*.ds1 $*.ds2 $*.lx That is a rule to make all .lx files. So, the rule is there and should be (...) (24 years ago, 24-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: Making LegOS under Win98
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Andy- 3 Questions: 1) What version are you running? 2) Where/when did you get the file from? 3) Can I see the Makefile in question? (should be legOS/demo/Makefile, also legOS/Makefile.user) Neither or these have been changed in more than two months (...) (24 years ago, 24-Jun-00, to lugnet.robotics.rcx.legos)
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| | Making LegOS under Win98
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Hello, I am trying to build LegOS 0.2.4 under Win98, using Paolo Masetti's instructions for cygwin. When I MAKE, it says that there are no rules to compile helloworld.lx needed by all. I looked in the makefile, and could not find a rule. I also (...) (24 years ago, 24-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: New to legOS, can you get it seperately?
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(...) It is free, but it won't do you much good without an RCX- to the best of my knowledge it won't run on anything else. (...) It's not really another type of C- just a different set of libraries. Other than that, same old C. -Luis (...) ---...--- (...) (24 years ago, 21-Jun-00, to lugnet.robotics.rcx.legos)
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| | (canceled)
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| | Re: SDL and legOS (was: memory left)
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Hi guys I found this tutorial about SDL. (...) (24 years ago, 20-Jun-00, to lugnet.robotics.rcx.legos)
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| | (canceled)
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| | Re: memory leak in string handling
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Jamie Obrien <jamien@interworx.com.au> wrote: You can't do this: (...) You probably meant char *d2 = dest; like the original author wrote. Here also: (...) You probably meant return dest; like the original author wrote. -Kekoa (24 years ago, 20-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: memory leak in string handling
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(...) I don't know of any leaks, but this line includes the terminating \0 in the output string: (...) Try the following instead: while (*d2) d2++; Presumably if you allocated a buffer of exactly the right size for a correct strcat, you code would (...) (24 years ago, 20-Jun-00, to lugnet.robotics.rcx.legos)
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| | (canceled)
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| | Re: memory leak in string handling
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(...) But strcat isn't implemented in legOS is it? At least I had trouble finding it when I needed it to use in a random number generator. But this was in 0.2.3, so I don't know about 0.2.4. Tobias (24 years ago, 20-Jun-00, to lugnet.robotics.rcx.legos)
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| | (canceled)
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| | memory leak in string handling
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This is not, as far as I know, something that is the matter with legos, but rather with my C programming skills. I'm trying to write the function strcat, but apparantly I'm losing memory somewhere. If anyone can see any apparant leak, please let me (...) (24 years ago, 20-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS 0.2.4 working under WinNT 4(SP5) and Win2K
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"Luis Villa" <liv@duke.edu> wrote in message news:Pine.SOL.3.91.1...uke.edu... (...) This (...) It's a must, Luis... ;-) (...) file (...) Step (...) Strange (famous programming quotation)... ;-) Can I have your modification to test them on my (...) (24 years ago, 17-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: battery life indicator
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(...) All you can figure out is an estimate of the power supply voltage, which I'd guess doesn't correlate all that robustly to battery life. -Kekoa (24 years ago, 17-Jun-00, to lugnet.robotics.rcx.legos)
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| | battery life indicator
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Hello, Is there a way to find out the battery life on the RCX in legOS? I checked this group and the documentation, and I can't find this info. Thanks, Nils (24 years ago, 16-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS 0.2.4 working under WinNT 4(SP5) and Win2K
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(...) Right, I understood that part, but I geuss that I understood that you meant uploading via some other method besides firmdl3/dll. Sorry, yesterday was not a good day for my brain ... Nils (24 years ago, 16-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS 0.2.4 working under WinNT 4(SP5) and Win2K
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(...) I've noted that in bash under cygnwin, you need to type: ./firmdl3 ../boot/legos.srec and ./dll ../demo/helloworld.lx Bye, Paolo. --- Those of you who think you know everything are annoying those of us who do. (24 years ago, 16-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS 0.2.4 working under WinNT 4(SP5) and Win2K
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When I said "Command Prompt", I meant the Windows MS DOS (formerly) command prompt. When I said "Cygwin", I meant the bash command prompt gotten by executing the Cygwin B20 program. So, when I say "upload using the Command Prompt", I meant I had to (...) (24 years ago, 16-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS 0.2.4 working under WinNT 4(SP5) and Win2K
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(...) What do you mean by 'upload using the Cmd Prompt'? Nils (24 years ago, 15-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS 0.2.4 working under WinNT 4(SP5) and Win2K
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(...) My fault. (...) Personal choice, here. I keep several versions on my machine, and since I created the tarballs, it says 0.2.4. If that breaks the cygwin installs, well, then, I guess I'll change it :( (...) Paolo? This is your area of (...) (24 years ago, 15-Jun-00, to lugnet.robotics.rcx.legos)
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| | legOS 0.2.4 working under WinNT 4(SP5) and Win2K
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First, many thanks to those who have worked so hard to make this happen. And to those who kept trying to answer all of my questions while trying to install the previous versions. As the subject suggests, I've got legOS working under both my Win NT (...) (24 years ago, 15-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: rotation sensor problem, again...
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(...) On second thought, this need not be the case. Maybe the initial sensor state starts out at whatever value it normally starts out at after bootup (probably zero), and simply never gets set (or reset) to the state indicated by looking at the (...) (24 years ago, 15-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: rotation sensor problem, again...
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(...) That you see values -1, 2, and 1 sounds like the current state of the rotation sensor is not considered when when the sensor is reset, like it is reset to a state of 0 when it should be reset to the current state of the sensor, like 0, 1, 2, (...) (24 years ago, 15-Jun-00, to lugnet.robotics.rcx.legos)
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| | rotation sensor problem, again...
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Just when you thought it was all fixed. I use the following code: ds_active(&SENSOR_2); ds_rotation_on(&SENSOR_2); ds_rotation_set(&SENSOR_2, 0); to setup a rotation sensor. Immediately after calling ds_rotation_set(), and /without moving the (...) (24 years ago, 14-Jun-00, to lugnet.robotics.rcx.legos)
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| | Re: legOS 0.2.4 on Win NT 4.0 WS
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(...) I wish I could join you... Guinness is a wonderful habit to have. I s'pose it's even better in .ie. And it's probably a little to early to have one here ;) -Luis (...) ---...--- "Going to California with an aching in my heart. Someone told me (...) (24 years ago, 14-Jun-00, to lugnet.robotics.rcx.legos)
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| | cat out of bag, sort of :)
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I prematurely posted an 0.2.4 version of legOS (mainly just right out of CVS) on sourceforge. I've asked Paolo and others to review it for me before we make an "official" announcement, so there isn't one yet (I'd like to post it to freshmeat and (...) (24 years ago, 14-Jun-00, to lugnet.robotics.rcx.legos)
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