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 | | Re: Sensor Sampling; Progress?
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| The Lego firmware cuts power for about 200uS, with a period of 3mS. So most sensors have to have enough capacitor based power storage for the full 200uS and be able to run on about 93% duty cycle. (The rotation sensor is one of the devices on the (...) (22 years ago, 19-Jan-03, to lugnet.robotics.rcx.legos)
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firmware
(score: 1.779)
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| | Re: NXT Firmware source code
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| (...) Ralph - I'll send them to you. If you want, mail me the byte format and I'll see if I can run a conversion. I presume it's in the vertical byte format that the screen uses? I did a full 256 character set that includes upper case, lower case, (...) (18 years ago, 18-Dec-06, to lugnet.robotics.nxt)
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firmware
(score: 1.779)
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| | Re: RCX capabilities
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| (...) No real FAQ, at least not at that detail. What you probably want to look at is (URL) which is the best "in one place" compendium of info on the web. (...) The native lego firmware has only 32 variables. This same firmware is used by NQC, so it (...) (25 years ago, 13-Nov-99, to lugnet.robotics)
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firmware
(score: 1.779)
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| | Re: Perl-based H300 disassembler
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| ---...--- (...) It looks like there is a problem with the 7D opcodes in my diassembly of the firmware from this disassembler. The disassembly of the Firm0309.lgo firmware file only has a few locations where the 7D opcode is used, and they all decode (...) (26 years ago, 18-Nov-98, to lugnet.robotics)
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firmware
(score: 1.779)
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| | Love the new Music capability with the new firmware!
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| I don't know if people have discussed this already or not, but I'm just playing around with the new firmware now and I can finally do what I have wanted to do for 3 years, and that is to make the frequency played by the RCX be a function of a (...) (23 years ago, 24-Aug-01, to lugnet.robotics)
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firmware
(score: 1.779)
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| | sensor defined variable
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| i got the firmware (firm0328.lgo) and tried to download it to my RCX 1.0, but no luck so far /Users/roc % nqc -Susb -firmfast /Users/roc/LEGO/firm0328.lgo Downloading firmware:......... ......... ......... ....... No reply from RCX tried it several (...) (19 years ago, 13-Apr-05, to lugnet.robotics)
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firmware
(score: 1.779)
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| | Clicking NXT
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| I've got the dreaded nxt clicking syndrome on my beta NXT. I had lent it out to one of my FLL team members and she said it just started ticking one day. I'm pretty sure she wasn't trying to download firmware. The last version of firmware I had on (...) (17 years ago, 23-Jun-07, to lugnet.robotics)
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firmware
(score: 1.779)
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| | "No reply from RCX" with nqc...
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| i just purchased the mindstorm RIS set... now i am trying to get the firmware on it. i dont have windows (thank god), so i am trying to get the firmware onto the rcx with ncq. upon trying to do anything with rcx (rcx -near, rcx -firmware..) i am (...) (25 years ago, 9-Dec-99, to lugnet.robotics.rcx.nqc)
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firmware
(score: 1.779)
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| | Re: Tacho Limit and Braking
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| (...) This is incorrect. There is no "setout" opcode in RobotC. RobotC uses a proprietary commercial alternate firmware with a completely different set of opcodes and virtual machine functionality than the standard NXT firmware. Unfortunately, the (...) (18 years ago, 2-Oct-06, to lugnet.robotics.nxt)
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firmware
(score: 1.779)
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| | Re: What I would do (2)
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| (...) Absolutely. I think the design of the NXT NQC should be dependent on the standard firmware just as NQC was based on the RCX firmware. David nailed exactly what I'm interested in. Even when using NQC it still **feels** like I'm writing in C. It (...) (19 years ago, 1-Feb-06, to lugnet.robotics)
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firmware
(score: 1.779)
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firmware
(score: 1.779)
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| | RobotC on NeXTScreen
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| Unfortunately, my NXT screen died. I'm getting by with using the NeXTScreen utility to display on the laptop (very nice utility, BTW). However, I am using RobotC and the screen is a bit distorted, for example: (URL) still usable, but I was wondering (...) (16 years ago, 5-Mar-09, to lugnet.robotics.nxt)
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firmware
(score: 1.779)
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| | Re: C Programming Solution for NXT - Beta Available
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| (...) Dick told me in a private email that RobotC will remain a strictly commercial offering for the foreseeable future due to his desire to earn back all the sweat equity he has invested in the product. He also urged me to not add support for his (...) (18 years ago, 23-Jun-06, to lugnet.robotics)
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firmware
(score: 1.779)
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| | Re: Spririt.ocx / Cybermaster
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| (...) CyberMaster don't have firmware in RAM, only RCX does. That's why you don't have the file. Probably the example is only for RCX users... :-( (...) Here's some WEB sites you may want to check about SPIRIT.OCX programming: LEGO SPIRIT.OCX (...) (26 years ago, 30-Dec-98, to lugnet.robotics)
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firmware
(score: 1.779)
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| | Re: Expression limitations w/bytecode
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| (...) The firmware does support basic arithmetic operations. You can use them in NQC like this... int a, b; task main { a = IN_1; b = IN_1; b -= a; } Dave p.s. As a side note, NQC does not support stuff like "a=b+c", but this is due to concurrency (...) (26 years ago, 19-Jan-99, to lugnet.robotics)
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firmware
(score: 1.779)
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| | Re: r/c servos and firmware
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| (...) Almost exactly how I'd do it. The problem is what if OCIB must be set to a small value, and the FRT has already passed this value when the OCIA handler sets up OCIB in step 3? This problem is solvable. If the total interval is closer to 1 ms, (...) (25 years ago, 20-Aug-99, to lugnet.robotics)
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firmware
(score: 1.779)
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| | Re: r/c servos and firmware
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| (...) Thinking about this more, I do not know what I was thinking earlier. Since you are in an ISR, you know can count the number of cycles in the instructions between reading the FRT and enabling the OCIB interrupt, and you can estimate "close" (...) (25 years ago, 21-Aug-99, to lugnet.robotics)
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firmware
(score: 1.779)
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| | Re: Sensori di rotazione
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| (...) Uso il firmware ufficiale Lego (Firm0309.lgo, per intenderci) e NQC 3.0.1 con RCXcc. In effetti non ci sarebbe nemmeno bisogno di scrivere un programmino: basta guardare i valori dei tre sensori sul display dell'RCX. Comunque io ho usato un (...) (24 years ago, 30-Apr-00, to lugnet.loc.it)
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firmware
(score: 1.779)
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| | RCX2
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| Hi, I'm interested in RCX2 firmware. Is it something that can be downloaded? What capabilities does it have? TIA, Bill Weiss Senior Software Developer ASSET InterTech, Inc. bweiss@asset-intertech.com (24 years ago, 30-Oct-00, to lugnet.robotics)
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firmware
(score: 1.779)
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| | Re: RCX2
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| (...) Right now, it's just a different firmware package that you can download into any RCX. You can get a copy on the main Lego site and upgrade your RCX 1.0 or 1.5 to the 2.0 software level...it's a significant improvement if you use NQC - it adds (...) (24 years ago, 3-Nov-00, to lugnet.robotics)
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firmware
(score: 1.779)
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