Subject:
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Re: NXT interface
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 5 May 2006 21:54:44 GMT
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Viewed:
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2314 times
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In lugnet.robotics, John Hansen wrote:
>
> Using my BrickTool utility to list the files on my NXT you get this output:
>
> C:\winapps\projects\BricxCC>bricktool /BT /COM=COM4 /Target=7 -listfiles
> rooster_simple.rxe=9216
> Bono8.rxe=17210
> a6.rxe=14776
> Recorder.rxe=8668
> Raw Count2.rxe=3600
> LineFollower4.rxe=10488
> Remote-1.rxe=5254
> fileio.rxe=3444
> ScreenSaver_bug.rxe=384
> ScreenSaver_nob.rxe=318
> DivTest.rxe=240
> text_try.rxe=260
> whileloop.rxe=162
> 2tones.rxe=198
> iomap_freemem.rxe=480
>
> The first eight files are written in NXTGL using the LEGO Mindstorms NXT
> software. The last seven files are writtin in NBC using BricxCC to compile and
> download the programs. Admittedly, the NBC programs are all trivial programs
> But you can see plainly see the order of magnitude difference in executable file
> size.
Sounds great! Are you able to determine how much memory a program takes up while
it's running? And how much memory is free?
> Here's a partial NXT menu system diagram.
> NXT Program
> |- Info screen
>
> Info Screen (followed by pick move for slot 1)
> |- Fwd 5 - Fwd - Turn Right 2 - Turn Right - Back Right 2 - Back Right - Tone 1
> - Tone 2 - Back Left 2 - Back Left - Turn Left - Turn Left 2 - Empty - Backward
> - Backward 5
>
> Slot 2
> |- Empty - Wait 2 - Wait 5 - Wait 10 - Object - Sound - Light - Dark - Touch
>
> Slot 3 (same as slot 1)
>
> Slot 4 (same as slot 2)
>
> Slot 5
> |- Stop - Loop
Hmmm the purpose of these slots are one thing thats not immediately obvious (to
my old brain anyway), can you explain more about what they are and how they are
used?
ROSCO
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Message has 2 Replies:
 | | Re: NXT interface
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| (...) This is the on-screen programming system. It's pretty rudimentary, but it lets you build very simple programs with only your NXT (no computer needed). Slots 1 & 3 let you 'do' something, slots 2 & 4 essentially control how long that action (...) (18 years ago, 5-May-06, to lugnet.robotics)
| | | Re: NXT interface
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| (...) The memory used by a program while it is running is not the same memory used for storing the program (flash). There isn't any way that I know of at this point to find out how much memory a program uses while it is running or how much of (...) (18 years ago, 6-May-06, to lugnet.robotics)
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Message is in Reply To:
| | Re: NXT interface
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| (...) In my experience, non-trivial programs written in NXTGL will use at least 10kb. Using my BrickTool utility to list the files on my NXT you get this output: C:\winapps\projects\...>bricktool /BT /COM=COM4 /Target=7 -listfiles (...) (18 years ago, 5-May-06, to lugnet.robotics)
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