Results 2121 – 2140 of 2193.
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 | | Does RIS2.0 set use the fiber optics cable?
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| Hi, I'm putting together the parts for my RIS2.0 set in order to sell the set, but I can't find the fiber optics cable... I might have thrown it away by accident.... Anyway, I've looked on the CD and in the instructions and I can't seem to find the (...) (21 years ago, 5-Jan-04, to lugnet.robotics.rcx)
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| | Sensor Power
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| ok, I have a real question. I'm interested in sending messages between RCXs using only the sensor ports. I've tested and found by switching between active and passive, signals can be sent, however, when the port is set to active, it is not powered (...) (21 years ago, 5-Jan-04, to lugnet.robotics.rcx.legos)
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| | Max. Space of RCX?
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| Hy@all I've wrote a Programm for Roboter who has to play "Ship sink". The problem is, that the programm doesn't work and i can't find the failure. It's very long, so i shouldn't post it here. I ask if i can send the skript to somebody who has time (...) (21 years ago, 8-Jan-04, to lugnet.robotics.rcx)
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| | Re: WORDLIST
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| (...) Long time no see:) Below is source for .S DUMP WORDS and SEE. Usage of the individual words should be basically clear, but I have some remarks nontheless: - Those words were originally embedded in a collection of words that I always load. I (...) (21 years ago, 21-Jan-04, to lugnet.robotics.rcx.pbforth)
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| | Implementation of Installable Timers
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| Hello everybody. I have an implementation of installable timer handlers, and I’d like to solicit some feedback. This is definitely a facility that I’d like to see in BrickOS. The implementation doesn’t have to be my one. But I thought that I’d just (...) (21 years ago, 8-Jan-04, to lugnet.robotics.rcx)
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| | Re: installing Robolab under Mac OS X
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| (...) Great news for MAC/OSX fans this is not a rumor according to the PITSCO 2004 catalog there will be Native OSX CD version available JUNE 2004. You will need ROBOLAB 2.5 software with training missions. If you have the 2.5 ROBOLAB RIS you can (...) (21 years ago, 11-Jan-04, to lugnet.robotics.rcx, FTX)
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| | RE: WORDLIST
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| Good questions Juanma! If WORDS is very important for you, I can write up a quick tutorial on how to do that. I'm pretty sure all of the CORE or REQUIRED ANS Forth words are supported. I'll need to update my build script to output a list of the (...) (21 years ago, 16-Jan-04, to lugnet.robotics.rcx.pbforth)
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| | RE: [long] Interrupt programming, buggy code
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| Having fun yet :-) There are a few things you might want to keep in mind when writing ISRs for the RCX... First, avoid calling into the ROM from an interrupt handler. You never know how long they take, and you may in fact be hitting another OCIA (...) (21 years ago, 2-Mar-04, to lugnet.robotics.rcx)
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| | Re: where leJOS firmware ?
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| (...) In RAM, as specified. RAM will hold onto the data just fine, as long as you supply power to it. And the RCX RAM is powered, via battery (that's why if you remove the batteries, you loose the firmware... and everything else). (21 years ago, 12-Feb-04, to lugnet.robotics.rcx.java)
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| | [long] Interrupt programming, buggy code
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| Hi all, I am currently programming the Lego RCX at low-level (plain C) using the GCC cross-compiler for Hitachi H8/300 and Kekoa Proudfoot's LibRCX. In fact, I'm designing exercises for students that learn micro-controller programming. Therefore, I (...) (21 years ago, 2-Mar-04, to lugnet.robotics.rcx)
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| | Re: [long] Interrupt programming, buggy code
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| Hi Benjamin, When you declare your ISR as an interrupt_handler, GCC terminates the function with an "rte" instead of an "rts". The ROM code that dispatches the interrupt to your function is already doing the rte so your function should not. Here's (...) (21 years ago, 2-Mar-04, to lugnet.robotics.rcx)
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| | Re: [long] Interrupt programming, buggy code
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| On Tue, 2 Mar 2004 17:54:47 GMT "Mark Riley" <markril@hotmail.com> wrote: Hi Mark, (...) [snip] (...) [snip] And that was it, indeed! Many to you, as well as Ralph and Kevin who tried to help me. There shouldn't be much trouble for me I think (if we (...) (21 years ago, 2-Mar-04, to lugnet.robotics.rcx)
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| | Re: [long] Interrupt programming, buggy code
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| (...) All I can give you is guesses. There are pleny of gurus here who will know the answer. Do you know if the display_debug() routine or any of the things it uses depends on the interrupts you are taking over? If default interrupt handler provides (...) (21 years ago, 2-Mar-04, to lugnet.robotics.rcx)
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| | Re: multiple motors
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| (...) Actually, I think what he's suggesting is a pretty good idea. I usually test most of my sumo robots this way. Place the robot next to a wall. If you don't want to damage a wall with a big, powerful robot, :) use a book held against the floor (...) (21 years ago, 16-Feb-04, to lugnet.robotics.rcx)
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| | Re: Spurious bad readings from sensors
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| (...) Because of the way BrickOS uses interrupts to handle active sensors, it's possible for sensors to be deprived of power for 300us or more, though typically the interval is only 30us or so. This is due to long interrupt latencies in BrickOS that (...) (21 years ago, 25-Feb-04, to lugnet.robotics.rcx.legos)
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| | Re: Ideas for NQC
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| (...) Well, it won't be easy. It doesn't help that I've been working long hours at my day job either. But I'll do my best. (...) [...] (...) In C & C++ it is not optional to use a semi-colon at the end of a line. The same goes for Java, C#, and (...) (21 years ago, 9-Mar-04, to lugnet.robotics.rcx.nqc)
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