 | | RCX Power
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Does someone knows the power specs for the RCX to connect it to the home power? Thanks. Tet (24 years ago, 6-Nov-00, to lugnet.robotics.rcx)
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| | Re: LinuxPPC and "No response from RCX" problem
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(...) Thanks, I'll look at that tonight (didn't really get chance yesterday). (...) Unfortunately the versions of gcc on both my Amiga and Thinkpad (running Mandrake 7.1) bomb when trying to compile nqc: both complain that vector.h - in g++-2 on my (...) (24 years ago, 6-Nov-00, to lugnet.robotics.rcx.nqc)
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| | RCX simulator
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I've started writing an RCX simulator in Java. A very early alpha version is available: (URL) isn't ready for prime time yet. I'm releasing it primarily in case other programmers want to start working on GUI applications that wrap around the (...) (24 years ago, 6-Nov-00, to lugnet.robotics.rcx.nqc)
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| | Re: LinuxPPC and "No response from RCX" problem
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(...) The format is described in rcxlib/rcxifile.h in the source distribution. (...) Assuming you have a reasonably modern C++ compiler (gcc is ideal), then the port is rarely more complicated than creating a special subclass of the PSerial class (...) (24 years ago, 5-Nov-00, to lugnet.robotics.rcx.nqc)
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| | Re: LinuxPPC and "No response from RCX" problem
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(...) Nope, I've written a program to send messages to the RCX (like the send.c program on RCX Internals) for the Amiga side - I can boot into LinuxPPC or AmigaOS - and that works fine. If I can work out the format of the image files nqc generates (...) (24 years ago, 5-Nov-00, to lugnet.robotics.rcx.nqc)
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| | Re: LinuxPPC and "No response from RCX" problem
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(...) This may not be a driver bug - it may be a hardware limitation. AFAIK, parity is most commonly used with 7 bit words - support for a ninth bit (8 data plus parity) is poor or non-existant on some UARTs. Dave (24 years ago, 4-Nov-00, to lugnet.robotics.rcx.nqc)
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| | Re: LinuxPPC and "No response from RCX" problem
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(...) This helped me track down the problem - the minute I add the odd parity bit the serial driver changes the word length from 8 to 7. Doesn't look like I can do much about it from the Linux side either. :( Thanks for the help everyone, looks like (...) (24 years ago, 4-Nov-00, to lugnet.robotics.rcx.nqc)
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| | Re: LinuxPPC and "No response from RCX" problem
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(...) Perhaps timing is a problem. Try: nqc -t 1000 -raw 10 This forces a longer (1 second) timeout per packet instead of the dynamic retry timing. Is the output any different? Echo is coming back from the tower, which means communication between (...) (24 years ago, 4-Nov-00, to lugnet.robotics.rcx.nqc)
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| | Re: LinuxPPC and "No response from RCX" problem
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(...) Have you tried using setserial to set the correct baud rate and other options? Also note that when using "su" it sometimes doesn't take over all the settings from the user account that you used to log on. Perhaps the sudo command would work (...) (24 years ago, 4-Nov-00, to lugnet.robotics.rcx.nqc)
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| | Re: LinuxPPC and "No response from RCX" problem
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(...) Umm.. note the prompt ;)) I'd done an su root before testing to avoid permissions problems. This seems like a problem with nqc on LinuxPPC 3Q99, but I can't understand quite what it is as the tower obviously works - the green light is visible (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.nqc)
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| | Re: LinuxPPC and "No response from RCX" problem
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(...) Did you set the correct permissions for the serial ports (normally they're only accessible by root under Linux) Do a chmod 777 for /dev/ttyS0 (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.nqc)
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| | LinuxPPC and "No response from RCX" problem
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Hi, I recently bought an RIS kit and from my Windows box it works fine. When I try using LinuxPPC off my PPC Amiga I get the following: [root] /home/chris/nqc/nqc-2.2.r2 >bin/nqc -v -raw 10 Tx: 55 ff 00 10 ef 10 ef Rx: 55 ff 00 10 ef 10 ef Tx: 55 ff (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.nqc)
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| | Programmable RCX display
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One of the missing "nice-to-have" features with the RCX is a programmable display. It would be great if LEGO implemented this feature. One way could be to attach a number 0 - 6 for each segment of the four 7-segment numbers and set a corresponding (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.nqc)
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| | Re: Still JAVA and LNP....
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(...) There is no way to passively listen to the world. This is good for batteries but bad in all other ways. So, your listening code should send a keep-alive on a regular basis to keep the tower from dying. No way around it :| Luis ---...--- "It's (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: Motor Sticking
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(...) I have about 16 motors and I have had, out of the box, 6 motors DOA... Other friends have more then 20 motors with 0 failures... I can only guess that I'm cursed with motors. S@H will replace ALL your dead motors... They did for me. Once when (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx, lugnet.technic)
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| | Re: Still JAVA and LNP....
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Umm in response to my own message, would someone be so kind as to explain the following <g> : // return (short)(a + (b << 8)); return (short)(a % 256); If I use the bottom line, discounting variable b, then my checksum is correct...otherwise it (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.legos)
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| | Still JAVA and LNP....
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hey all :) Sorry to bother again, but after limited uccess with getting JAVA to cope with LNP, I've run into some (hopefully) simple problems, I'm having major problems with the checksum routine, this routine give me huge integer nnumbers rather (...) (24 years ago, 3-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: ttyS1 corrupted after using legos
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(...) Frank, I'm also using Linux (Red Hat), and had a similar problem. After using the IR tower, my modem wouldn't work on the same serial port. I solved the problem by not sharing the serial port 8?) which also allows me to connect while using the (...) (24 years ago, 2-Nov-00, to lugnet.robotics.rcx.legos)
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| | Re: RCX: Loose Assembly?
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(...) Oh oh. Sounds like a fault. You'd better phone LEGO and get it replaced. Otherwise you'll be unhappy for life. NONE of mine do anything like that. They are, and pardon the pun, built like a brick. Dean -- Coin-Op's For Sale!: (URL) Lego (...) (24 years ago, 2-Nov-00, to lugnet.robotics.rcx)
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| | Re: Auto Shut Off
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(...) Ok, to set the time out with RCX code you must hit the Oroboros (the sideways 8) and it will never shut off. This can be found under "Getting Started" then the far Right option on the bottom. Hope that helps. Dean -- Coin-Op's For Sale!: (URL) (...) (24 years ago, 2-Nov-00, to lugnet.robotics.rcx)
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