 | | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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Mark Riley wrote: [snip] (...) This is easy enough to implement (1 or 2 lines), but raises the question: Should these memory strategies be included with BrickOS (with a config.h flag to control it)? I am sure the educators would rather leave that (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Global Objects was Strange RCX startup issues
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Understood. In this case, I am thinking that the option should be ON by default; such that a new, less experienced user would not encounter a problem; but an experienced user could turn the option off. // Joe (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Global Objects was Strange RCX startup issues
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(...) But, it perhaps should default to being enabled as this deficiency has caused some confusion in the past. Great work, Joe! Mark (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Global Objects was Strange RCX startup issues
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(...) I opt for option. Not much may be to much in some cases. And I don't want to program in c++ anyway. Regards, Michael (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Global Objects was Strange RCX startup issues
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(...) [snipped] (...) I simply added ctor_size and dtor_size to the *image*, *lx* and *program* structures. This allows the program manager to calc the start and end of these segments. (...) It wasn't as hard as I had thought. I have the fix (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Avoiding objects
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(...) Roger, I'm happy to tell you my favorite sensor company ( (URL) just started production again) makes something that will work very well for you. (URL) I think their Ultra-sonic sensor is my favorite. I seem to use it more often than any other (...) (22 years ago, 11-Dec-03, to lugnet.robotics)
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| | Avoiding objects
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Hello All, I'm new to the world of Mindstorms and to this list, and I have a question. Upgrading the Roverbot, which backs up when the bumpers feel something, is there a way of avoiding walls and objects on the floor. What is the best way to do (...) (22 years ago, 11-Dec-03, to lugnet.robotics)
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| | Re: BricxCC release 3.3.7.6
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(...) Unfortunately I haven't documented my pbForth support very well. Perhaps the following explanation will be useful to all BricxCC users who want to try pbForth. BricxCC figures out some things based on the extension of the file open in the (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.pbforth, FTX)
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| | Re: Memory, Motors and Odd Things
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(...) no. Ok, that's my first problem. (...) hmm. yep. malloc()... (...) no, using the firmdl3. (...) Yes, it's recursive. And, I'm sure your hunch is right. (...) It sounds like it's the malloc() bug. I'm using 0.2.6.09 (?) I'm not going to switch (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos, FTX)
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| | Re: BricxCC release 3.3.7.6
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(...) Wow! I've just discovered Bricxcc! Thank you very much for providing such a useful tool. I'm using PbForth and I was impressed by what you've included in BricxCC. Just to share with you, here's what I did so far. I've renamed the Help file so (...) (22 years ago, 11-Dec-03, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics, FTX)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) <snip> (...) <snip> (...) <snip> I didn't have time to mention this in my earlier post, but this memory dump points out a potential problem with the way BrickOS allocates memory for programs. In the above memory dump, the 0x6B words at 0xB648 (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: NQC's future
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(...) click thru to: Présentation (URL) I found the English page: (URL) my eye, Babelfish seems to think the French there says: Legnoppix is a version of Knoppix Linux, bootable via CD even in a PC that ordinarily boots Windows. Legnoppix differs (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.nqc, lugnet.robotics.spybotics)
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| | Re: Memory, Motors and Odd Things
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(...) Hi Steve, Are you using BrickOS 0.2.6.10? In earlier versions, it was possible for malloc() to return pointers to RAM in the range [F010,FB7F], which was shared with the motor port controller. Writing to this memory adversely affected the (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx.legos, FTX)
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| | Re: Logging sensor data
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(...) That's why I use brickOS nanobapt (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
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| | Memory, Motors and Odd Things
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I ran into something odd, and I'm wondering if someone can explain it. I have a pretty large BrickOS program, (the .lx is about 9k) and it uses around 2k for variables. (I think) I've noticed when the program is running, it's not doing anything with (...) (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: OT Re: Legway and Robolab
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(...) Outgoing mail is certified Content Free Deleted by MIN anti-content system ((URL) 1.0.013 / Content Database: <nul> - Release Date 12/10/2003 FUT lugnet.off-topic.fun (22 years ago, 10-Dec-03, to lugnet.robotics, lugnet.off-topic.fun)
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| | OT Re: Legway and Robolab
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--- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system ((URL) 6.0.548 / Virus Database: 341 - Release Date: 12/5/2003 (22 years ago, 10-Dec-03, to lugnet.robotics)
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| | Re: Logging sensor data
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(...) No, I regret to say, you must buy it. Jerry (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Legway and Robolab
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(...) Apparently, the standard firmware imposes a 100ms delay before a motor can change directions (ostensibly to protect the motors). This might be the source of some of the instability. Dick Swan suggests a possible way around the delay at the (...) (22 years ago, 10-Dec-03, to lugnet.robotics)
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| | Re: Logging sensor data
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(...) does robolab is free ? nanobapt (22 years ago, 10-Dec-03, to lugnet.robotics.rcx.legos)
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