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 | | Re: Difficulty with WRITE COMMAND over BT
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| (...) Thank you very much for the reply. It is still consistently puzzling. If I write some other file - for example a text file named file.txt, I can write and close, and see it in the list (through findfirst/findnext) successfully. This works both (...) (18 years ago, 28-Apr-07, to lugnet.robotics.nxt)
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communication
(score: 0.740)
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| | RE: Firmware
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| (...) As far as I know, the EEPROM on the chip is a small space where the bytecodes live. The RAM for data is in a different place on the chip. The RCX was unique in that the uploaded firmware and data RAM were in the same external chip. The Spybots (...) (23 years ago, 29-Jul-02, to lugnet.robotics.spybotics)
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spybot, rcx
(score: 0.740)
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| | Re: Spybotics - A great disappointment
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| In lugnet.robotics, Ralph Hempel writes: <snip> (...) So Gigamesh is waiting on my doorstep last night when I get home from work. Took me a bit to install the software (~600 meg full install), then putting the thing together via instructions on my (...) (23 years ago, 26-Jul-02, to lugnet.robotics)
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spybot, rcx
(score: 0.740)
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| | Difficulty with WRITE COMMAND over BT
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| Hi, I am attempting to download a .rxe program file to NXT from some programming environment that allows communicating over serial port. So I connect to NXT (with 1.04 firmware) from the WinXPSP2 box with BT USB dongle, and use the commands (...) (18 years ago, 26-Apr-07, to lugnet.robotics.nxt)
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communication
(score: 0.740)
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| | Re: Spybotics demo followup questions
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| (...) You will have to excuse me in this info gathering process... robotics aren't really my strong point, and I am simply relaying info from those who know what they are talking about. I got a few bits of info back: EEPROM: There is a total of 4k (...) (23 years ago, 24-Jul-02, to lugnet.lego.direct)
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spybot, rcx
(score: 0.739)
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| | Re: iCommand 0.5: Bluetooth API problem [Solved]
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| Hi, Although I have not been able to work out the cause of the Bluetooth communication problem with the iCommand API mentioned in my last post, I have managed to code a 'bridge' DLL for my Java application to use the Lego's Fantom.DLL. The bridge (...) (18 years ago, 20-Apr-07, to lugnet.robotics)
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communication
(score: 0.739)
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| | RE: Spybotics - A great disappointment
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| (...) From what Jake said at lugnet.lego.direct and from what you say above, I don't understand if IR or Visible Light (or both !?!?) are used to download programs to the Spybot. About VLL, from Jake McKee: (...) That's a *very good* thing, *both* (...) (23 years ago, 24-Jul-02, to lugnet.robotics)
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spybot, rcx
(score: 0.739)
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| | Re: RCX <-> PC communication, more details
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| Hi Kaspar, Thanx for the information. In the Lejos-discussion mailing list (Sept 13), Lawrie Griffiths wrote: "A timeout of 100 milliseconds or more should ensure that it reads all the bytes in one message." Looks like it confirms what you (...) (23 years ago, 16-Sep-02, to lugnet.robotics.rcx.java)
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rcx, communication
(score: 0.739)
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| | Re: RCX <-> PC communication
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| (...) Kaspar, There is a bug with serial towers with RCXPort in lejos 2.0. This causes the problem you are seeing. There is a fixed version in (URL) fixes RCXPort, but I haven't put the fix in the LNP versions yet. I only have a USB Tower, and (...) (23 years ago, 16-Sep-02, to lugnet.robotics.rcx.java)
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rcx, communication
(score: 0.738)
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| | Re: RCX <-> PC communication, more details
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| (...) Great, I just had too much time at hand, so I could already test the hypothesis above. Great, to be able to post a followup to my own message within half an hour... Ok, here it comes: The PC __IS__ swamping the RCX when using the LNP protocol. (...) (23 years ago, 16-Sep-02, to lugnet.robotics.rcx.java)
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rcx, communication
(score: 0.738)
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| | Re: RCX <-> PC communication
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| Hi Kaspar, Did you compile the PC end program using javac and did you add pcrcxcomm.jar from the lejos lib directory to your CLASSPATH? Could you give some more details about your problem (what platform are you working on? complete code...)? Wap (...) (23 years ago, 12-Sep-02, to lugnet.robotics.rcx.java)
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rcx, communication
(score: 0.738)
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| | Re: Bible as a literal source?
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| (...) Then perhaps we are more closely in agreement than I had realized. (...) Well now you are assuming that I literally believe the Genesis account of creation, which would be a stretch. Given that Western cultures still believed that the Earth (...) (19 years ago, 13-Apr-07, to lugnet.off-topic.debate, FTX)
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communication
(score: 0.737)
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| | RCX <-> PC communication, more details
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| Thanks for the three of you (Francois, Roger and Lawrence) who have answered to my questions. I was asked to state some more details, which I'll do here: I am working under linux (SuSE 7.3) and since the linux version of java does not yet support (...) (23 years ago, 16-Sep-02, to lugnet.robotics.rcx.java)
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rcx, communication
(score: 0.737)
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| | Re: RCX <-> PC communication
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| (...) I have not done any experimenting with Data Streams yet since I can get by with bytes. I have tried both the RCXPort and the RCXF7Port. The big advantage of the RCXPort using the LLC protocol is that if the RCX gets out of range or behind an (...) (23 years ago, 13-Sep-02, to lugnet.robotics.rcx.java)
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rcx, communication
(score: 0.737)
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| | Re: RCX <-> PC communication
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| (...) Lawrie Griffiths asked me to forward the following to you: RCXPort should be about twice as fast as RCXF7Port. Do you have a serial or USB tower? I am concerned that you don't get complete reliabilty with RCXPort - I do with a USB Tower. (23 years ago, 14-Sep-02, to lugnet.robotics.rcx.java)
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rcx, communication
(score: 0.737)
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| | RE: IR Problems
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| IR communication is no where near the reliability like a tcp/ip. You can easily lose a message ... so program must be either extremely simple one way communication. The sender should be programmed to handle message loss. What I had the kids done was (...) (19 years ago, 2-Apr-07, to lugnet.robotics.rcx)
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communication
(score: 0.737)
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communication
(score: 0.737)
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| | RCX <-> PC communication
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| Ok, here's a little something to think about: I have been testing the three communication protocol stacks of LeJOS 2.0 (josx.rcxcomm package; LLC, LNP and F7 protocols). Simple application: Array (size 20) of ints on both PC and RCX. Got both a (...) (23 years ago, 10-Sep-02, to lugnet.robotics.rcx.java)
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rcx, communication
(score: 0.737)
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| | RE: Spybotics - A great disappointment
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| John Wrote: (...) <deep breath> Let's all have a really good look at the outside of the box where it says 9+ for the age group :-) I have all 4 of the Spybots and I must say that after I built them and played with them with my 10 year old twins, I (...) (23 years ago, 18-Jul-02, to lugnet.robotics)
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spybot, rcx
(score: 0.737)
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communication
(score: 0.737)
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