 | | Re: controling two motors with only one output?
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Indeed, your circuitry is interesting (I'm not sure though it would save time, since soldering can be pretty tedious...). But the challenge here is to make it out of Lego. (and not destroy one piece, by the way...). Denis. (...) Denis Cousineau, (...) (25 years ago, 3-Apr-00, to lugnet.robotics.rcx)
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| | gcc 2.95.2 8?(
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First, I must apologise for posting the wrong URL to my update. It's actually at (URL) 8?/ OK. I bit the bullet & installed egcs 1.1.2 as well. I've confirmed two things: 1. My memcpy/memset update doesn't break under egcs, and 2. gcc 2.95.2 causes (...) (25 years ago, 3-Apr-00, to lugnet.robotics.rcx.legos)
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| | problem building bugbot3.nqc in cybermaster
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When I try to compila bugbot3.nqc (the code of the Dave's wonderfull book) using my cybermaster as target, the compiler return twice the following error: SENSOR_TOUCH not defined I used the command line nqc -TCM bugbot3.nqc with NQC 2.3 thanks in (...) (25 years ago, 3-Apr-00, to lugnet.robotics.rcx.nqc)
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| | Re: Checksum download of text to RCX
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(...) would (...) Can do... Currently a line is transmitted as <text>NL<checksum>, so a checksummed line can already be distinguished from a non-checksummed, CR-terminated line. Adding a line header (any objections against STX?) is more failsafe, of (...) (25 years ago, 3-Apr-00, to lugnet.robotics.rcx.pbforth)
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| | Re: sending output to LCD possible?
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(...) Not possible with the existing RCX firmware. However the RCX 2.0 firmware (currently in early-alpha) does support displaying a variable (and almost anything else) on the LCD. These operations will be available in NQC...but only when targetting (...) (25 years ago, 3-Apr-00, to lugnet.robotics.rcx.nqc)
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| | sending output to LCD possible?
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I skimmed through the NQC docs but I didn't see anything about sending messages to the display on the RCX. Is it possible? More specifically, sending the value of a variable to the display? I have a little robot that I plan to use to count things, I (...) (25 years ago, 3-Apr-00, to lugnet.robotics.rcx.nqc)
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| | Re: RIS 2.0 PreAlpha SDK
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(...) I believe the PBBattery() command is very different from using the Battery 'data source'. Specifically, the command is direct only (after all, there's no equivalent within a program for the response data from a command). However, data sources (...) (25 years ago, 2-Apr-00, to lugnet.robotics.rcx) !
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| | RE: Checksum download of text to RCX
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(...) This is a neat idea, Ernst. I think it would be a good addition to the pbForth system if we can allow the user to use it for text uploads and then switch to normal mode for interactive use. (...) I'll have to think about this a bit.. (...) (...) (25 years ago, 2-Apr-00, to lugnet.robotics.rcx.pbforth)
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| | Checksum download of text to RCX
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I wrote a simple addition to pbforth that allows it to receive text with a checksum across every line. Every line is ACK/NAK-ed and if necessary resent. Timeouts are not implemented. Now, the main word looks like this: : PBX-RECEIVE ( -- ) BEGIN (...) (25 years ago, 2-Apr-00, to lugnet.robotics.rcx.pbforth)
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| | Re: 0.2.4 coming?
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(...) I suppose you could call what is in CVS at sourceforge 0.2.4, especially after someone adds in Ross's patches, 0.2.4. The advantage of CVS is that we can now all get /the/ most up-to-date version of legOS. The disadvantage is that what you are (...) (25 years ago, 2-Apr-00, to lugnet.robotics.rcx.legos)
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| | 0.2.4 coming?
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is 0.2.4 available yet? any clues? (25 years ago, 2-Apr-00, to lugnet.robotics.rcx.legos)
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| | Re: RIS 2.0 PreAlpha SDK
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(...) Check out page 11. It states that it's DIRECT only. Not program. That's what I gather anyway... Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 2-Apr-00, to lugnet.robotics.rcx)
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| | Re: NQC and RIS2.0 Firmware
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(...) I found the problem... When verifying the checksum, the ROM scans [8000, cc00). Since it zeros out this area initially, this would indeed reflect the checksum of the firmware, provided it is less than 4400 bytes long (in hex). NQC sums the (...) (25 years ago, 2-Apr-00, to lugnet.robotics.rcx.nqc)
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| | Re: RIS 2.0 PreAlpha SDK
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(...) Check out page 7 of the LASM Byte Codes doc. They've added a lot more data "sources" including one for the battery level. This means you'll be able to use the battery level the same way you currently can read Timers, the Watch, etc. Too bad (...) (25 years ago, 2-Apr-00, to lugnet.robotics.rcx)
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| | Re: NQC and RIS2.0 Firmware
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(...) I've been looking at that for most of today. The 2489 is basically the last packet to go to the RCX, and the error is a "checksum error" coming back from the RCX. As far as I can tell, nqc breaks with any firmware file bigger than 20K (...) (25 years ago, 2-Apr-00, to lugnet.robotics.rcx.nqc)
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| | Re: NQC on Linux dilema...
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(...) This is very strange. Communication looks perfectly normal. I can't think of any reason for a hang. Is it possible for you to build nqc from source? If so, we can instrument any calls to the serial driver and determine if the driver is hanging (...) (25 years ago, 2-Apr-00, to lugnet.robotics.rcx.nqc)
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| | Re: Religious wars
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(...) :s/emacs/vi/ Indeed, you asked for it ;) Eddie C. Dost ecd@skynet.be (25 years ago, 2-Apr-00, to lugnet.robotics.rcx.legos)
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| | Re: memcpy patch for gcc 2.95.2 wanted
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(...) I've posted an update which includes memcpy.s, memset.s (even though this didn't seem to cause a problem, I thought best to keep things consistent) and Makefile (so it doesn't delete *.s for target clean). Just un-tar it to your $LEGOS_HOME. (...) (25 years ago, 2-Apr-00, to lugnet.robotics.rcx.legos)
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| | NQC and RIS2.0 Firmware
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I've tried using the Download firmware option of NQC for downloading the new firmware. Unfortunately it downloads to about 2489 and then errors out. Will Dave Baum be supporting this 'first release' of the firmware or will he be waiting for the (...) (25 years ago, 2-Apr-00, to lugnet.robotics.rcx.nqc)
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| | Re: RIS 2.0 PreAlpha SDK
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(...) Thanks. I've noticed the Firmware File size is HUGE Almost 25K! Ouch... I've sent the following points already to the LEGO feedback. If any of you agree I strongly suggest you do the same. Power in numbers... "This is a comment on the (...) (25 years ago, 1-Apr-00, to lugnet.robotics.rcx)
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