 | | Re: Logging sensor data
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(...) You can combine both solutions ... Storage in the RCX memory and then send it by lnp (after 10 data for example) You need to test :) nanobapt (21 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | RE: Logging sensor data
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Hi nanobapt, What I tend to do is sample a sensor every say 20ms and log the data over a period of upto about 5 seconds. In your opinion what would be the best method, local storage or realtime streaming via LNP?, can LNP stream at this speed? (...) (21 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Linux legos install help me please
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(...) Hmm rellay difficult to solve .... For your mandrake : make in a term "make > error" and send me (to my personnal mail) the file call error What version of brickOS do you use ? I know that there are error with the gcc 3.X so try (like you (...) (21 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Logging sensor data
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(...) How many time do you want to log it ? you can stock it to the RAM or send it by lnp .... nanobapt (21 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Linux legos install help me please
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Please help me install legos on Mandrake or help me fix my debian legos and add math.h I am a complete linux novice. 1 I have been enjoying the ease of use of Debian and the apt-get functions and friends with that distribution. For a beginner in (...) (21 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Strange RCX startup issues
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(...) This was only a problem when using certain firmware downloaders. If you use firmdl3, then you should be fine. (...) As far as I can tell, I don't think there is any provision in BrickOS to call the constructors and destructors of globals & (...) (21 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Help w/install _or_ It all went so well
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(...) You can do make fontdesign in the util directory to create fontdesign.exe I have managed to get brickos-0.2.6.10 working using gcc 3.3.1 on win98 under cygwin, though I had a few problems along the way. At this stage I have only tried a few of (...) (21 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos, FTX)
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| | Strange RCX startup issues
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Hello, using brickOS v0.2.6.10... When I declare an object of type Motor and assign it a port outside of main() the RCX does not run the program at all, I have to remove batteries and reload firmware to get it back to normal. Is this related to the (...) (21 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Remote Message Buttons
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That doesn't seem to help, doing things that way actually made the Stop and Beep buttons function as Stop and Beep. I was hoping to have all the buttons "raw" messages available to remap their functionality. I think I know how to modify the kernel (...) (21 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Logging sensor data
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Hi there, I'm quite new to the Mindstorms and LegOS/BrickOS scene but have recently begun using the kits for robotics purposes in University. They have been a revelation to me and speed up prototyping projects to no end. My question though concerns (...) (21 years ago, 9-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Remote Message Buttons
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(...) I just use the standard IR message stuff from BrickOS. They are normal messages, so this works just fine. Here are some lines of code: (I think it's in lnp.h) #include <sys/lnp.h> ... clear_msg(); ... if (msg_received != 0) my_message_value = (...) (21 years ago, 8-Dec-03, to lugnet.robotics.rcx.legos)
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| | Remote Message Buttons
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Hello, Anyone had problems getting the message 1,2,3 buttons working with brickOS? All other remote buttons are working. I am using v0.2.6.10. I looked through the kernel and includes, it looks like in lr_process(), the lr_keys gets checked vs. (...) (21 years ago, 8-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) Yes, your summary is correct. Good luck with the rest of your project, Mark (21 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) Mark, Thanks again thanks for the reply. Yes, my main comcern is that the OS tasks move around only after the first power off & on, no time else. And also it was just a typo, the blocks are in order I was looking at the wrong copy of my layout (...) (21 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) So, if I understand you correctly, your concern is that the OS tasks move around the first time you power off & on, but not anytime thereafter? Assuming this to be the case, then: 1) When you first download BrickOS, there is a large chunk of (...) (21 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) Mark, Thanks for the reply, and sorry I forgot to include some more details I have results from 2 memory scans (the values may be a bit off from each other (i.e. starting addresses, but that is becuase they are from 2 times I ran it, and I (...) (21 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) Hi Mike, It would be helpful to see each of the memory block dumps and some notation as to what actions you took between each dump (i.e. RCX on/off, program downloaded, etc...) Mark (21 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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Well, I have another problem - this time with Worst Fit. It may be becuase I have been looking at this code for so much time over the past few months, but I have encountered this problem with my implementation and my mind is boggled (as well as (...) (21 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Editing Makefile (adding comman line arguements)
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(...) Ed, Thanks for the reply, I will look at that manual, I never knew to look there. I bet it will help me out. Thanks Mike (21 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Editing Makefile (adding comman line arguements)
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(...) Mike, You might start off by checking the manual for GNU Make at (URL) just look within the various makefiles within the brickOS code. Try Makefile.commom at brickOS root. Ed (21 years ago, 7-Dec-03, to lugnet.robotics.rcx.legos)
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| | Editing Makefile (adding comman line arguements)
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I am trying to edit Makefile in the main brickos dir so that I can access the arguements on the command line when I enter "make _____" to compile the directory. I need to do so because I need to have a certain command execute when the arguements are (...) (21 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) Yeah, very true. Those lines where in there becuase of the error I originally had in my code, but since my code changed (and is correct) those lines are not needed). Thanks Mike (21 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) BTW, you can delete these two lines of intialization (i.e. lines 12 & 15 in the above function) as the intialized value gets clobbered on finding the first suitable sized block: 12) mm_best_free=ptr; 15) mm_best_free++; //this must point to (...) (21 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) Sure thing sorry, the problem was that I had the wrong variable in one of the if statement, I copied it over wrong from my hand-written notes I made of the Alg ===...=== void *malloc(size_t size) { size_t *ptr,*next, bestSize, *mm_best_free; (...) (21 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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(...) Fine. Could you please post the solution? I don't like unsolved riddles :) Regards, Michael (21 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Complete instructions for Linux?
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(...) Rich, Those patches were created for optimizing some legOS code. I believe it was some interupt code. The legOS code and brickOS code have internal work arounds. I have some emails concerning this somewhere. But you don't need these patches (...) (21 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Complete instructions for Linux?
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From: Rich Warren <rikiwarren@mac.com> Subject: Re: Complete instructions for Linux? Date: December 5, 2003 6:57:12 PM MST To: nanobapt <nanobapt@wanadoo.fr> (...) Correct me if I'm wrong, but my understanding is that this would build the BrickOS (...) (21 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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Nevermind, I figured out the error after I posted and reviewed my code again. Thanks anyway... (21 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | My problems with adding a Best Fit algorithm for memory management to kernel/mm.c
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Well, my senior project is almost due (Monday) and I am having problems with one of the last algorithms to be added. My senior project is adding the 3 other algorithms to the memory management facitlity (mm.c), the algorithsm are best, worst, and (...) (21 years ago, 6-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Complete instructions for Linux?
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(...) $ tar xvzf brickos.tar.gz $ make or $ apt-get install brickos #for debian user ;-) nanobapt (21 years ago, 4-Dec-03, to lugnet.robotics.rcx.legos)
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| | Complete instructions for Linux?
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Is there a complete instruction for installing BrickOS on Linux? I'm particularly interested in details involving creating a cross-compiler and getting the USB tower to work. I've looked at the windows instructions, and have tried to work from them, (...) (21 years ago, 4-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Strange BrickOS Timing
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Hi Dietmar, (...) Of course :-) Ciao, Guido (21 years ago, 3-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Strange BrickOS Timing
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Hi Guido, (...) That patch referes to an older transfer-protocol. The one we are using now, does not need SUCH a stable timing. But the Output from BrickOS is a lot worse than it was in older versions. I thing Gunther can explain this better, but I (...) (21 years ago, 3-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Strange BrickOS Timing
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Hi Gunther, (...) have (...) After some investigation I found this page on YOUR site: (URL) YOU state: Using Lepomux requires a stable timing on the motor port because it is used as a serial data port. Since brickOS does a lot of stuff (...) (21 years ago, 3-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Strange BrickOS Timing
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Hi Gunther, (...) have (...) I'm NOT really an expert in brickOS, but these are the sources of delay and msleep: void delay(unsigned ms) { unsigned i; while (ms-- > 0) for (i = 0; i < 600; i++) // not well calibrated. ; } //! delay execution (...) (21 years ago, 3-Dec-03, to lugnet.robotics.rcx.legos)
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| | Strange BrickOS Timing
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Hello out there, maybe someone can explain to me why the current brickOS release seems to have msleep()-amnesia ;-) We've been testing the data transfer to our Lepomux device. For some strange reason we were still using kernel 0.2.6.07nmChg with a (...) (21 years ago, 2-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: GP2D12 Please help
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Hi Sebastian, (...) I don't know the schematics of that sensor interface, but I think it's basically a bad idea to drive a device that needs 30 to 50 mA from a powersource that can only output about 10 mA. I've experienced similar effects while (...) (21 years ago, 2-Dec-03, to lugnet.robotics.rcx.legos)
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| | math library
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Hello all. About a year ago I researched math functions so I could write some for the RCX. I found some power series functions that work really well. I see another message here posted by "nanobapt" has also posted some functions so I tested his (...) (21 years ago, 29-Nov-03, to lugnet.robotics.rcx.legos)
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| | GP2D12 Please help
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Please help. I just recently got a Sharp GP2D12 ir distance ranger plus RCX interface device from mindsensors. It is pretty cool, however I am getting alot of flucuation in the readings and in turn I think that i am losing out on range. The maximum (...) (21 years ago, 29-Nov-03, to lugnet.robotics.rcx.legos)
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| | Re: Help w/install _or_ It all went so well
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(...) You should uninstall cygwin and delete its directory tree if it is left behind. Then run both installers (the brickoslejos installer second) and you should be ready to go. You don't need to do a configure or make of brickOS if you use these (...) (21 years ago, 20-Nov-03, to lugnet.robotics.rcx.legos)
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