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Is anyone else having problems with this? The receive and display part works fine but it won't send "Hello World" when I press the View button. The srec from the LegOS home page works fine but if I build it myself it doesn't. I've tried both the web (...) (25 years ago, 1-May-99, to lugnet.robotics.rcx.legos)
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| | Re: communication Linux - NQC - Cybermaster
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(...) Thanks for your suggestions. Say, just what is variable 0? The first variable assigned? I should probably try to read some more about the internals of the RCX/Cybermaster, I suppose. Fredrik (25 years ago, 4-May-99, to lugnet.robotics.rcx.nqc)
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| | Re: I'm being stupid. But how?
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(...) Hahaha, regarding that LegOS is more of a library than an OS, my opinion too. But you have to admit the name has some appeal, even if it is something of a misnomer... :) Clearly it says something about TLG's attitude toward LegOS that they (...) (25 years ago, 3-May-99, to lugnet.robotics.rcx.legos)
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| | Re: HOWTO v 0.1
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(...) Thanks (I think...) (...) Because I've found that it is significantly faster, and nearly canonical (as, technically speaking, it is part of the same domain, despite being hosted elsewhere(Stanford, IIRC.)) The only reason I found it in the (...) (25 years ago, 3-May-99, to lugnet.robotics.rcx.legos)
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| | I'm being stupid. But how?
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I've written a test program using the 19990330 LegOS snapshot[1], and it's misbehaving oddly. The program looks like this: (the headers are the result of my frobbing the LegOS headers to refer to <mindstorms/{legOS header}>...) #include (...) (25 years ago, 29-Apr-99, to lugnet.robotics.rcx.legos)
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| | Re: HOWTO v 0.1
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(...) Not half bad IMHO. But why point egcs searchers at ftp://go.cygnus.com/...gcs-1.1.2/ ? The canonical site is ftp://egcs.cygnus.co...cs-1.1.2/. egcs-1.2 will be out fairly soon. There have been changes to the h8300 support, but the changes are (...) (25 years ago, 29-Apr-99, to lugnet.robotics.rcx.legos)
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| | Read me first! Re: case statement doesn't work- any clue?
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Nevermind. Dangit. Forgot break statements like a moron. -Luis (...) ###...### God was my co-pilot, but we crashed in the mountains and I had to eat him. -bumper sticker ###...### (25 years ago, 3-May-99, to lugnet.robotics.rcx.legos)
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| | Re: case statement doesn't work- any clue?
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(...) Doh! You haven't put any breaks between the cases. BTW, if LegOS can change the semantics of C its cleverer than I thought ... :-) Cheers, Ben. -- (URL) grandfather once told me that there are two kinds of people: those who work and those who (...) (25 years ago, 3-May-99, to lugnet.robotics.rcx.legos)
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| | case statement doesn't work- any clue?
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I'm trying to program some very rudimentary debugging stuff- just outputting variables to the screen. Basically, I want to use a switch/case statement to read an integer variable (in this case ID_number) which is then linked (by the case statement) (...) (25 years ago, 3-May-99, to lugnet.robotics.rcx.legos)
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| | Re: Lego Network Protocol questions
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(...) Oops, I must've just caught the tail end of the conversation. I assumed the standard [lame] lego protocol was being discussed, not a custom protocol. Sorry. Dave (25 years ago, 2-May-99, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: communication Linux - NQC - Cybermaster
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(...) You can probably do anything you want with the [minimally documented] -raw option for nqc. You can use it to send arbitrary packets to the RCX or Cybermaster. For example, to query variable 0, you could do this: nqc -c -raw 120000 Of course, (...) (25 years ago, 2-May-99, to lugnet.robotics.rcx.nqc)
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| | communication Linux - NQC - Cybermaster
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I'm running NQC on a Linux system. Is there any way to communicate between the computer and the Cybermaster mobile unit using this software? Or are there any other types of software I might consider to do this? Fredrik (25 years ago, 2-May-99, to lugnet.robotics.rcx.nqc)
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| | Re: JAVA and Cybermaster ?
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(...) Question: Why do you want to use JAVA with the CyberMaster? JAVA is similar to C++, which is was developed from C and which is the base language of NQC. What are you expecting to do with JAVA that can not be made with NQC? And if you are in a (...) (25 years ago, 2-May-99, to lugnet.robotics.rcx.nqc)
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| | JAVA and Cybermaster ?
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I saw some Java stuff for the RCX. Is there soemthing for the Cybermaster? Stefan -- ***...*** Stefan Prescher prescher@hermes.fho-emden.de (25 years ago, 2-May-99, to lugnet.robotics.rcx.nqc)
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| | two task and while true
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Hi I made a small programm task main if IN_3 ==1 start wb else stop wb task sb while (true) if () fwd(Out_a,7); I found out that the prgramms goes into the while loop but it never started the motor if I copied it into the main part it runs fine Is (...) (25 years ago, 2-May-99, to lugnet.robotics.rcx.nqc)
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| | RE: Lego Network Protocol questions
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With all of the talk about networking and IP embedding and such, and since I'm working on a proprietary '485 master/slave protocol for a client, I had to dust off a GREAT university text on networks. It devotes an entire chapter to ALOHA and slotted (...) (25 years ago, 1-May-99, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: Lego Network Protocol questions
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(...) Dave, did you catch the crosspost from lugnet.robotics.rcx.legos? I think there were details discussed there that may or may not have amounted to a fairly specific proposal for a protocol for LegOS. Anybody care to summarize whatever was (...) (25 years ago, 1-May-99, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: Lego Network Protocol questions
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(...) Transmit whenever you feel like it and hope you didn't obliterate data coming from the other direction. Rudimentary, but still quite effective given the typical use pattern with is host driven command/response. With RCX to RCX communication (...) (25 years ago, 30-Apr-99, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Lego Network Protocol questions
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Hi all. I came to the discussions on the LNP a bit late and was wondering if the following questions had been discussed (I flipped through an old Communications course book and noted some thoughts): - Can we do Carrier Sense *whilst* we are (...) (25 years ago, 30-Apr-99, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: IS free()'s operation atomic?
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(...) I agree, free() is not ISR safe. One thread can get preempted after the check but before the store, and a second thread can adjust mm_first_free, making the first thread's check invalid. -Kekoa (25 years ago, 29-Apr-99, to lugnet.robotics.rcx.legos)
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