 | | Re: Weird downloading error
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Just some general ideas. If you're not using the firmdl or lejosfirmdl that came with lejos, try using one of those. Some versions of some downloaders have trouble with the lejos firmware. If you haven't tried fresh batteries in your RCX, try that. (...) (23 years ago, 25-Nov-03, to lugnet.robotics.rcx.java)
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| | Weird downloading error
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Hello ppl, I have this weird problem where I can't seem to download the lejos firmware completely onto the RCX. The counter on the RCX lcd counts up to 20 as the firmware is downloaded while the LCD also shows a weird 'V' sorta symbol on the far (...) (23 years ago, 25-Nov-03, to lugnet.robotics.rcx.java)
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| | how to use LNP class?
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Holla, I have been been doing some tests of protocols from lejOS API where I'm about to give a try with this LNP class. The reason is to enable direct host addressing on my app, avoiding the packet_guaranty_issue (as_seen_from_exemple (...) (23 years ago, 13-Nov-03, to lugnet.robotics.rcx.java)
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| | Re: Simplifying Cygwin & brickOS/leJOS
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(...) Suggestion, dont use Cygwin at all. Provide a pre-compiled version of: 1.GCC built for host=MingW (ligtweight toolchain for win32 systems that doesnt need bulky cygwin dlls) and target=rcx or whatever. 2.the BrickOS tools buit using MingW and (...) (23 years ago, 11-Nov-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | Re: Simplifying Cygwin & brickOS/leJOS
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(...) I'm looking into the problems that have been reported to me regarding using the pre-built compiler tools & cygwin on Win98. (...) IC4, so far as I can tell, doesn't have a command-line compiler which makes it quite a bit more difficult to (...) (23 years ago, 8-Nov-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | Re: Simplifying Cygwin & brickOS/leJOS
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(...) Dear Scott, Unfortunately it is still true that Interactive C does not support the USB-tower, but I am pretty sure this will be changed with the further releases (I recently bought a serial-tower at Shop.Lego for 16.99 Euro only!). But it (...) (23 years ago, 6-Nov-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | Re: Simplifying Cygwin & brickOS/leJOS
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(...) I'm just passing the following on for everyone else to read. scott Hi Scott, I don't have posting privs to all these lugnet lists, but just want to let you know that actually IC does support encoders (rotation sensors). It's just not (...) (23 years ago, 6-Nov-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | Re: Simplifying Cygwin & brickOS/leJOS
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Hi A while ago I looked at using IC for writing programs. At the time there were 2 major turnoffs. There was no support for rotation sensors and you needed to own one of the serial infrared towers. It was easy to install and it had its own firmware. (...) (23 years ago, 5-Nov-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | Re: Simplifying Cygwin & brickOS/leJOS
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Dear John, Thank you very much for the further improvement of Brixcc! I could install the package including brickOS on a Win 98 system as well as download the related firmware, but could not compile any of the demos!? Besides that: You said: "Of (...) (23 years ago, 5-Nov-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | Re: Simplifying Cygwin & brickOS/leJOS
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(...) Apparently, there are problems running on Win98 (I've heard from another person who is having similar issues). I am trying to figure them out. I'll post here once I have a definitive answer. John Hansen (23 years ago, 4-Nov-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | Re: Simplifying Cygwin & brickOS/leJOS
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(...) been thinking that somebody should do this for quite some time now. I downloaded this package and installed it on my Windows 98 machine. Unfortunately, I have been having problems getting it to build the libraries. This is probably just a case (...) (23 years ago, 4-Nov-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | LDCC.java
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I've developed an LDCC protocol stack for lejOS. Well, 1/4 of it. It's currently receive-only and only on the RCX platform. It needs another pair of eyes to make sure I haven't done anything stupid or inefficient, as this is only my second Java (...) (23 years ago, 26-Oct-03, to lugnet.robotics.rcx.java)
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| | Re: RCX Communications problems
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(...) the LNP class also uses LLC, it just doesn't implement receiveAck(). (...) You could work ACKs into LNP (e.g. create a LNPReliableHandler), or you could add multi-byte support into and put an addressing layer over LLCReliableHandler. The (...) (23 years ago, 9-Oct-03, to lugnet.robotics.rcx.java)
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| | Re: leJOS auto power-off
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(...) your programs, lest you forget to turn off the RCX while a program is running and waste a set of batteries ... Like while(System.current...meMillis() < 600000) { // 10 minutes timeout ... } as a main loop instead of while(true){...} Jürgen (23 years ago, 9-Oct-03, to lugnet.robotics.rcx.java)
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| | Re: leJOS auto power-off
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Works for me! Thanks for the pointer (I think I searched everywhere *but* lugNET :O). (...) (23 years ago, 8-Oct-03, to lugnet.robotics.rcx.java)
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| | Re: RCX Communications problems
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Hi everyone, I did take a look at LNP, but I need to be sure that the RCX received the packet. As far as I Know, LNP is an UDP kind of communication. LLC is more reliable way to communicate as it uses ACK. I’m thinking know in recompile the RCXPort (...) (23 years ago, 7-Oct-03, to lugnet.robotics.rcx.java)
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| | Re: leJOS auto power-off
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(...) It can't be done. (URL) Hansen (URL) (23 years ago, 8-Oct-03, to lugnet.robotics.rcx.java)
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| | leJOS auto power-off
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How does one disable the auto power-off feature in leJOS? I've scanned the API and can't find it. Thanks. -Brian (23 years ago, 8-Oct-03, to lugnet.robotics.rcx.java)
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| | Re: More than 1 integer in a data packet?
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(...) I'm not a leJOS expert by any stretch of the imagination. But I think I can help. (...) That is not a correct understanding of the rcxcomm package API. The RCXOutputStream class, for example, which descends from java.io.OutputStream inherits (...) (23 years ago, 2-Oct-03, to lugnet.robotics.rcx.java)
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| | More than 1 integer in a data packet?
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Hi there, Does anyone know if I can send more than 1 byte/integer per packet between the PC and RCX. From what I understand of the rcxcomm package API, one can only send an integer at a time. Also, the example supplied with the rcxcomm package only (...) (23 years ago, 1-Oct-03, to lugnet.robotics.rcx.java)
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