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 | | Re: Programming in Assembly
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| Here's a more direct link for the H8 docs: (URL) down to the literature section and download the two PDFs. For assembly, I would recommend starting off with an installation of BrickOS and perusing the various source code files for the kernel. You'll (...) (21 years ago, 16-Jul-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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brickos
(score: 1.743)
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| | Re: USB IR tower support in Lunix
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| Hi, I got the USB IR-tower to work under linux using the same patch Florian used. I also sent an updated patch that applies to 0.2.6.09 to the original author of the patch. However I have to caution that the said patch only works with UHCI hubs that (...) (22 years ago, 4-Jan-03, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.743)
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brickos
(score: 1.743)
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| | Re: train precision
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| I do think Steve is on the right track here. The train regulator varies the voltage, but the RCX output can't. So you are left with managing (nominally) 9v pulses. But there is another solution. You could add a DCC decoder to your train motor, and (...) (19 years ago, 29-Dec-05, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.743)
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brickos
(score: 1.743)
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brickos
(score: 1.743)
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| | Re: C Compiler for Windows 98
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| I don't know if this will help you at all, but, I found that C progams need all the variables declared at the beggining of the program, and this became quite annoying because of my experence with C++. So I asked someone who might know... In BrickOS (...) (22 years ago, 24-Nov-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.743)
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| | dll questions
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| I'm working on a new release of BricxCC at the moment and I want to better understand the dll utility - specifically the RCX host address and RCX source port options. I think I understand the RCX host address part. Correct me if I'm wrong. Supposing (...) (22 years ago, 8-Jan-03, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.743)
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| | Re: Sensor Sampling; Progress?
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| (...) Yes. (...) individually (...) That's right. (...) I agree. With the current firmware, power gets cut off to all 3 sensors for ~85us (sometimes longer). With the scheme I mentioned, power would be cut to only one sensor for ~25us. The sample (...) (22 years ago, 19-Jan-03, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.743)
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| | make compiling error
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| When I try to compile my program I get this error: /course/cs148/bin/h8...hi-hms-gcc -O2 -fno-builtin - fomit-frame-pointer -Wall -I. -I/course/cs148/include -c sound.c /course/cs148/bin/h8...chi-hms-ld -T /course/cs148/lib/brickOS.lds -relax (...) (22 years ago, 31-Jan-03, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.743)
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| | Maths functions
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| I'm having trouble finding a maths header file. It's usually called "math.h". I need to do stuff like sine and cosine, and use the "abs" function to make a number positive. Does a file like this exist? Are there any plans to incorporate a maths (...) (21 years ago, 29-Aug-03, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.743)
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brickos
(score: 1.743)
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brickos
(score: 1.743)
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brickos
(score: 1.743)
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brickos
(score: 1.743)
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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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brickos
(score: 1.743)
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| | size limit on the programs for the RCX
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| is there a size limit for our program? Like it cannot exceed a certain amount... by that i mean, if i have say several programs, is there a limit on how much each could size so that i can fit them all on the RCX at once and be able to run? because (...) (21 years ago, 22-Oct-03, to lugnet.robotics.rcx.legos, FTX)
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brickos
(score: 1.743)
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| | position calculating for robots
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| Thanks Thomas for your idea. The matter is that I was thinking of using angle sensors in order to calculate the number of the turns that each wheel has driven (I am talking for a robot with 2 wheels). I think that some advanced maths are required (...) (19 years ago, 26-May-05, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.743)
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| | Re: Win98 cygwin USB installation
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| Ok, I think I figured it out...I don't completely understand the logistics of makefiles, but I changed the following line in Makefile.common: Before: CFLAGS = -O2 -Wall After: CFLAGS += -O2 -Wall I suspect that a later assignment to CFLAGS was (...) (22 years ago, 13-Dec-02, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.743)
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| | Lego.NET: An MSIL front-end for gcc
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| We are pleased to announce our first release of the LEGO.NET package, which allows to execute Microsoft IL code (as generated from C# and other languages) on the Lego Mindstorm hardware. This environment has a GCC front-end as its core, which (...) (20 years ago, 11-Oct-04, to lugnet.robotics.rcx.legos)
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brickos
(score: 1.743)
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