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 Robotics / RCX / NQC / 561 (-20)
  Re: Duplex Comms with RCX
 
(...) It seems to me that, given the current hardware, the choices are: send junk or let the tower go dead. My thinking is that if you send junk and trample something, so be it; the tower would have gone dead anyways, forcing you to lose whatever it (...) (24 years ago, 27-Apr-00, to lugnet.robotics, lugnet.robotics.tele, lugnet.robotics.rcx.nqc)
 
  Re: Duplex Comms with RCX
 
(...) Fair enough. It's too bad it doesn't have an always-on mode. (...) Definitely agreed. I'll be patient. (24 years ago, 27-Apr-00, to lugnet.robotics, lugnet.robotics.tele, lugnet.robotics.rcx.nqc)
 
  Re: Duplex Comms with RCX
 
(...) I just haven't found a non-intrusive method for keeping the tower alive. I hate transmitting garbage every few seconds and possibly trampling incoming data. I'm also not sure this is a very good long-term solution. Really a general purpose (...) (24 years ago, 26-Apr-00, to lugnet.robotics, lugnet.robotics.tele, lugnet.robotics.rcx.nqc)
 
  Re: Duplex Comms with RCX
 
(...) Not that there's any pressure or anything. :) (24 years ago, 26-Apr-00, to lugnet.robotics, lugnet.robotics.tele, lugnet.robotics.rcx.nqc)
 
  Re: Duplex Comms with RCX
 
(...) Dave had mentioned making a listen mode w/ keep-alive in a future version of nqc. But I don't think he's gotten around to that yet. (24 years ago, 26-Apr-00, to lugnet.robotics, lugnet.robotics.tele, lugnet.robotics.rcx.nqc)
 
  Re: Duplex Comms with RCX
 
(...) Yes. Note that it is only half-duplex. You probably expected that. (...) The biggest issue you might run into is the fact that the IR tower used by the PC times out if it doesn't transmit anything for a few seconds. Unless you have constant (...) (24 years ago, 26-Apr-00, to lugnet.robotics, lugnet.robotics.tele, lugnet.robotics.rcx.nqc)
 
  Re: Duplex Comms with RCX
 
"James Hammond" <jsh@it-innovation.soton.ac.uk> wrote in message news:3906A2E6.6A40E0...n.ac.uk... (...) Yes it can. There is a standard RCX opcode for sending single byte messages, and you can always use multiple of these commands for more complex (...) (24 years ago, 26-Apr-00, to lugnet.robotics, lugnet.robotics.tele, lugnet.robotics.rcx.nqc)
 
  Re: Duplex Comms with RCX
 
It appears Roblab 2.0 would also be an alternative for your project. Robolab has two different direct modes to control the RCX, one of which is using a remote connection like the Internet. Depending on your direct control requirements, you may want (...) (24 years ago, 26-Apr-00, to lugnet.robotics, lugnet.robotics.tele, lugnet.robotics.rcx.nqc)
 
  RCX2 API
 
I've put together a NQC API file that allows you to use some of the RCX2 features. I don't no whether anyone else has already done this but here is mine. This is unofficial so is unsupported. All question should go to the group, not Dave or myself. (...) (24 years ago, 26-Apr-00, to lugnet.robotics.rcx.nqc)  
 
  RCX2 API
 
I've put together a NQC API file that allows you to use some of the RCX2 features. I don't no whether anyone else has already done this but here is mine. This is unofficial so is unsupported. All question should go to the group, not Dave or myself. (...) (24 years ago, 26-Apr-00, to lugnet.robotics.rcx.nqc)
 
  Duplex Comms with RCX
 
Hi I am sure this has been done many times before, but I am having trouble confirming information. I wish to purchase the RIS 1.5. But before I do I need to be sure that I can communicate with a running program on the RCX and that the RCX can (...) (24 years ago, 26-Apr-00, to lugnet.robotics, lugnet.robotics.tele, lugnet.robotics.rcx.nqc)
 
  Re: Q: Determining state of outputs
 
It works fine. Thanks for your help! Oliver (24 years ago, 25-Apr-00, to lugnet.robotics.rcx.nqc)
 
  Re: RCX2: ViewSourceValue Help
 
(...) asm statements are just followed by a comma-separated list of fields enclosed in braces. In general, each field is evaluated at compile time and the resulting value is truncated to 8 bits. The exception is the & operator. The &x syntax is used (...) (24 years ago, 24-Apr-00, to lugnet.robotics.rcx.nqc)
 
  RCX2: ViewSourceValue Help
 
Hi, I'm back after a break from Lego. (I had exams). I've been playing around with RCX2 firmware and want to use the new ViewSourceValue command. What is the correct asm for this. So far I've got this by guessing and looking at RCX2.NQH #define (...) (24 years ago, 24-Apr-00, to lugnet.robotics.rcx.nqc)
 
  Re: RCX For Sale.
 
The product is sold. ===...=== "Bert Onderdijk" <bert_onderdijk@hotmail.com> wrote in message news:Ft4Cr3.B2w@lugnet.com... (...) (24 years ago, 19-Apr-00, to lugnet.robotics.rcx.nqc)
 
  Re: NQC on Linux dilema...
 
(...) The first thing I'd try would be to add a pair of printf() statements before and after the tcdrain() call in PSerial_unix::FlushWrite() (in file platform/PSerial_unix.cpp). Call be paranoid, but calls like this always make me nervous...they're (...) (24 years ago, 18-Apr-00, to lugnet.robotics.rcx.nqc)  
 
  Re: NQC on Linux dilema...
 
(...) the same thing is happening to me, and i did build it from source. i can recompile with changes, if you think it might be useful in figuring out whats going on, though. (24 years ago, 17-Apr-00, to lugnet.robotics.rcx.nqc)
 
  RCX For Sale.
 
Hi there, I do have for sale: Lego partnumber: - 1 ex. RIS 1.5 9747. - 1 ex. Extreme Creatures 9732. - 1 ex. Car 8432. - 1 ex. Pneumatic Submarine 8250. Additional to the above these parts: - 1 ex. RIS Remote Control 9738. - 1 ex. Touch Sensor 9757. (...) (24 years ago, 16-Apr-00, to lugnet.robotics.rcx.nqc)
 
  Re: Q: Determining state of outputs
 
(...) Yes, there is a 'data source' for motor status. I never bothered figuring it all out, so there isn't a defined API for it, but you can add it yourself: #define MotorStatus(motor) @(0x30000 + (motor)) use motor 0 for output A, 1 for B, 2 for C. (...) (24 years ago, 14-Apr-00, to lugnet.robotics.rcx.nqc) ! 
 
  Re: Q: Determining state of outputs
 
(...) I'm not the expert on this but... I've been playing with firmware 2.0 and I think you can read the state of your sensors directly. (The same way you read the Battery level? Dave?) Hopefully Dave will answer you for sure. Dean -- Coin-Op's For (...) (24 years ago, 13-Apr-00, to lugnet.robotics.rcx.nqc)


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