 | | Re: already stumped by NXC :(
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Maybe you just need an NXT browser (universal binary; bluetooth only): (URL) (17 years ago, 29-Aug-07, to lugnet.robotics.nxt)
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| | Re: already stumped by NXC :(
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OK, I've already found part of the answer (shortly after posting, of course...). It appears that the "nbc" executable is both the NBC and the NXC compiler. I still can't find any documentation for how to use it, but if you invoke it with a "-help" (...) (17 years ago, 29-Aug-07, to lugnet.robotics.nxt, FTX)
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| | already stumped by NXC :(
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OK, NXC sounds great, but I can't for the life of me figure out where to obtain it, or how I would use it once I had it. Note that I'm on Mac OS X, so (for example) the tutorial by Daniele Benedettelli doesn't do me any good, since it only describes (...) (17 years ago, 29-Aug-07, to lugnet.robotics.nxt)
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| | Re: Newbie Q's about development environments
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Thanks, everyone, this is very helpful. (Thanks to Steve especially for that very handy comparison table.) I should have mentioned up front that I'm using a Mac, so that rules out a couple of otherwise interesting options. But NXC looks like a good (...) (17 years ago, 29-Aug-07, to lugnet.robotics.nxt)
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| | NYC Mindstorms NXT Meet-up
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I have the LEGO MINDSTORMS NXT ROBOTICS SET and since I'm so "into it", my father and I were thinking we could start up a Lego MindStorms NXT Meet up group/club in New York City where we could meet once a month (or every other month), build, (...) (17 years ago, 27-Aug-07, to lugnet.robotics.nxt, FTX)
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| | Re: Newbie Q's about development environments
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(...) And even beyond this, John has added some enhancements to the FW, so that it will target the standard FW or the modified FW that John has built things into. Correct, John? (17 years ago, 24-Aug-07, to lugnet.robotics.nxt)
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| | Re: Newbie Q's about development environments
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(...) NXC provides all the features available to you in NXT-G, including all the items you mention, plus many that you cannot access in that programming language. It is freely available and it targets the standard NXT firmware. John Hansen (17 years ago, 23-Aug-07, to lugnet.robotics.nxt)
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| | RE: Newbie Q's about development environments
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If you go to Steve Hassenplug's site ((URL) you'll find a comparison of the various text based programming environments including NXC, ROBOTC, LUA, and JAVA. These solutions are all virtual machine based. ROBOTC has the fastest execution speed of (...) (17 years ago, 23-Aug-07, to lugnet.robotics.nxt)
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| | Re: Newbie Q's about development environments
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(...) Joe, This may not answer your question, but hopefully, it will help narrow the field... (URL) (17 years ago, 23-Aug-07, to lugnet.robotics.nxt)
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| | Newbie Q's about development environments
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Hi all, I recently got an NXT and have been having a blast. The iconic programming environment is driving me up a tree, however. So I'm looking for something else, but I'd like to avoid evaluating them all -- thus I turn to you for advice. I'm also (...) (17 years ago, 23-Aug-07, to lugnet.robotics.nxt)
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| | RE: mindstorms sdk
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John, I regret to admit that, between work and this, 16 hrs a day and 7 days a week, I got so frustrated that files were deleted... I won't have time to reproduce it until next weekend. To put it shortly.... nxc_guide.pdf .. 3.13.3.... (...) (17 years ago, 23-Aug-07, to lugnet.robotics.nxt)
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| | Re: The standard NXT firmware & the case of the missing opcodes
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(...) If you download the test_release.zip that I uploaded late last night you will be able to use these new opcodes (after installing the enhanced firmware in lms_arm_jch.zip) in both NBC and NXC programs. Here is some sample NXC code: task goofy() (...) (17 years ago, 23-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: mindstorms sdk
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(...) Unfortunately, I have verified beyond any possible doubt that the comm module offsets in NBCCommon.h (as well as the offsets for all the other modules) are correct. I had really hoped that there was a bug here. What I did to verify the values (...) (17 years ago, 22-Aug-07, to lugnet.robotics.nxt)
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| | Re: The standard NXT firmware & the case of the missing opcodes
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(...) I don't think I ever got around to mentioning this here, but a long time ago I implemented all of the above opcodes in my NBC/NXC enhanced standard NXT firmware. I implemented all of the shift opcodes so that they take 3 parameters rather than (...) (17 years ago, 22-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: mindstorms sdk
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(...) I think you might very well be right since some things just don't seem to work right for some folks who have tried that particular IOMap. But I haven't been able to find where it is off yet. Which offset were you trying to use? You need to (...) (17 years ago, 21-Aug-07, to lugnet.robotics.nxt)
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| | mindstorms sdk
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Would someone tell me the link to the sdk site where I can find the proper iomap . the one in the nxc guide.pdf seems to be off somewhere. we were playing with the comm. Module map,. the offset is off!!! Elizabeth (17 years ago, 21-Aug-07, to lugnet.robotics.nxt)
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| | Re: LEJOS OSEK giving me funky dll errors
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(...) The problem that you have encountered seems to be a common Cygwin problem. (please google cygintl-3.dll). I guess that you need to re-install Cygwin. In my case, I just select make 3.81-1 under Devl and other stuff remains as default during (...) (17 years ago, 19-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: pbLua Beta 13c Sumo program
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(...) That's a great idea. My kids worked on an RCX based sumo bot last year in school, and just last week they were asking about using the NXT and the new motors. Maybe it's time to build a robot instead of write software all the time :-) (...) 1. (...) (17 years ago, 19-Aug-07, to lugnet.robotics.nxt)
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| | pbLua Beta 13c Sumo program
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I posted earlier about my first impressions of pbLua Beta 13c and some things I couldn't figure out, mainly having to do with numbers. Ralph Hempel promptly replied and some of the concepts are a bit over my head so I decided I should just plow (...) (17 years ago, 19-Aug-07, to lugnet.robotics.nxt)
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| | Re: NXT R/C Car Drifting (NXT GT)
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(...) !!! Great !!! -- alf (17 years ago, 17-Aug-07, to lugnet.robotics.nxt)
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| | Re: File Error - what does it exactly mean?
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(...) Well, I try to allocate all memory available for one big array and then deal with it using my own memory manager with C-like calls of malloc and free. It works fine, but I'd need to know how big this one array I can make while the program (...) (17 years ago, 17-Aug-07, to lugnet.robotics.nxt)
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| | LEJOS OSEK giving me funky dll errors
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|
I've installed LEJOS OSEK 1.04, but when I try to make all in the helloworld example, I get the error "This application has failed to start because cygintl-3.dll was not found. Re-installing the application may fix this problem." I've tried telling (...) (17 years ago, 17-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: File Error - what does it exactly mean?
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(...) You've got 32k to work with for all variables of all types, including user-defined types and arrays. Every time you manipulate an array you use up more memory due to copying taking place in the VM. If you shared with me some information about (...) (17 years ago, 17-Aug-07, to lugnet.robotics.nxt)
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| | Re: File Error - what does it exactly mean?
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(...) But I am getting it when trying to allocate an array that is larger than the amount of heap available. And it seems there is no way of checking how much space remains free, so I have no way of preventing this File Error! from happening if I (...) (17 years ago, 17-Aug-07, to lugnet.robotics.nxt)
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| | Re: NXT R/C Car Drifting (NXT GT)
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(...) You might try the wheels of these vehicles: (2 URLs) are made from hard plastic. Congratulations for your work! Philo (17 years ago, 17-Aug-07, to lugnet.robotics.nxt)
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| | NXT R/C Car Drifting (NXT GT)
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Hi, I just uploaded a video of a NXT Bluetooth R/C Car which is called "NXT GT". I've found many NXT based cars (includes R/C or non R/C) and a uniquie point of NXT GT is that we succeeded to make the NXT GT Drifting! (URL) The trick of NXT GT (...) (17 years ago, 17-Aug-07, to lugnet.robotics.nxt)
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| | robotc documentation
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While I'm waiting a login to the RobotC forum, I wonder if anyone knows where I can find documentation. I looked at the robotc forum. One developer said software guide will be ready not at a cost "up to the Sensing part"?? What does that mean (...) (17 years ago, 15-Aug-07, to lugnet.robotics.nxt)
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| | Re: Real C/C++ Programming Solution?
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|
Takashi Chikamasa wrote: LEJOS OSEK also supports the program upload to Flash. However, I intentionally (...) As far as I know, this is from the manufacturers extreme limits of operation. I have personally cycled my NXT through a SAMBA load many (...) (17 years ago, 15-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: Real C/C++ Programming Solution?
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(...) LEJOS OSEK also supports the program upload to Flash. However, I intentionally do not describe it in the docs. I am not sure about the life cycle of Flash in the ATMEL ARM7 very well, however, some lugnet discussions told me that the lifecyle (...) (17 years ago, 15-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: Mobile Phone for pbLua Development
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|
(...) I finally loaded pbLua into a brick and tested it with PocketPuTTY, my normal SSH client and it works great! It comes with a BSD license so is free to use. (URL) I am using PocketPuTTY 2007-02-28 dev build for WM2003. This version added serial (...) (17 years ago, 13-Aug-07, to lugnet.robotics.nxt, FTX)
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| | NXTAssembler 1.0 Alpha 4 and site
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Hi, I have released the Alpha 4 of NXTAssemlber project. It contains a bugs fix and a new feature. I hope that this version can be used because is near to the first beta version (I suppose two or one alpha version after this) And I have published (...) (17 years ago, 12-Aug-07, to lugnet.robotics.nxt)
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| | Re: Real C/C++ Programming Solution?
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(...) The closed-loop features I'd like would be comparable to those implemented in the Charmed Labs Xport Botball Controller (see charmedlabs.com and botball.org) - PID control of velocity, with a "move to position" command and preferably (not (...) (17 years ago, 10-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: NXT memory map
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(...) Strange, for me it is always easy to find with Google: (URL) data sheet is here: (URL) Jürgen Stuber <juergen@jstuber.net> (URL) (17 years ago, 10-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | FW: RotateMotorEx hangs
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|
Thank you to both John and Roger, I'll try it out later next week. --Elizabeth -----Original Message----- From: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] On Behalf Of John Hansen Sent: Wednesday, August 08, 2007 6:20 PM To: (...) (17 years ago, 9-Aug-07, to lugnet.robotics.nxt)
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| | Re: Mobile Phone for pbLua Development
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(...) I'm not sure what operating system is on your Treo, but I am running vxHpc on my Dell Axim which runs Windows Mobile 5. Details on vxHpc are at (URL) and screen shots of my setup are at (URL) It really is nice to be able to program from a PDA. (...) (17 years ago, 9-Aug-07, to lugnet.robotics.nxt)
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| | Re: Real C/C++ Programming Solution?
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(...) Actually, implementing a closed-loop motor control in LEJOS OSEK is not difficult. I already have done for NXTway-DS(complex state space feedback) and NXT GT(P control for motor rev. angle). A significant factor to implement a close-loop motor (...) (17 years ago, 8-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: RotateMotorEx hangs
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(...) <snipped> The RotateMotor call is designed to block. If you don't want to block then you can write code almost exactly like what Roger wrote in Java using other NXC API calls. Like so: #define UF_TLSM UF_UPDATE_TACHO_LIMI...PDATE_MODE #define (...) (17 years ago, 8-Aug-07, to lugnet.robotics.nxt)
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| | Re: RotateMotorEx hangs
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(...) Hi Elizabeth: Here is how you could do it in Java: LightSensor eye = new LightSensor(SensorPort.S1); Motor.A.setSpeed(720); // 2 revolutions per second LCD.drawString("wait for dark",0,0); LCD.refresh(): Motor.A.rotate(3600,true); //rotate 10 (...) (17 years ago, 8-Aug-07, to lugnet.robotics.nxt)
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| | Re: Real C/C++ Programming Solution?
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(...) Hmm, how hard would it be to just copy some of those functions from NXTGCC and use them in LEJOS OSEK? Would they require significant modification? Thanks, Jeremy Rand (17 years ago, 8-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: Real C/C++ Programming Solution?
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(...) Currently, LEJOS OSEK does not provide abstracted API such as you asked. I agree that LEJOS OSEK should provide more sophisticated API for ease of use. I hope someone will raise his/her hand to write such framework library. Sorry for your (...) (17 years ago, 7-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: Mobile Phone for pbLua Development
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(...) This is so cool that I want to find a terminal emulator for my Treo 650! Does anyone know of a free one I can use, or shareware that works well enough to pay for it? Cheers, Ralph (17 years ago, 7-Aug-07, to lugnet.robotics.nxt)
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| | Real C/C++ Programming Solution?
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Is there a programming solution for the NXT that will allow me to use real C/C++? I've been trying to use NXTGCC (this is for firmware development based on an existing firmware for another controller, which is written in C/C++), but the code seems (...) (17 years ago, 7-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: Mobile Phone for pbLua Development
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(...) And now the pictures of this project WindowsMobile pbLuaConsole (URL) V2 with extensions like GPS and Highspeedconnector (URL) it Bye Christian (17 years ago, 7-Aug-07, to lugnet.robotics.nxt)
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| | Re: multiple-files projects in NBC
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|
(...) The compiler line number error reporting problems are bugs. It should work properly for #included files but it does not currently do so. I will try to get that fixed once I get my book written. My deadline is fast approaching and I still have (...) (17 years ago, 7-Aug-07, to lugnet.robotics.nxt)
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| | Mobile Phone for pbLua Development
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Hi, yes it is true, pbLua-Development can be done at WindowsMobileDevices... Mobile_with_terminal...ua_Console This works fantastic in the garden or at the beach :D Enjoy pbLua Features Bye Christian (17 years ago, 7-Aug-07, to lugnet.robotics.nxt)
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| | Re: Two NXT Back2Back
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(...) ReHi, I'm building an external SD-Card-Interface for storing data, using RS485... NXT-->RS485-->AtMega...->SPI-->SD Next project is AVRCAM via RS485 :D Thanks for your response Bye Christian (17 years ago, 7-Aug-07, to lugnet.robotics.nxt)
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| | multiple-files projects in NBC
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I might have missed this topic in the manual, but is there any support for splitting NBC project into several files? I know there is #include macro, but the problem is that the compiler then reports errors/warnings at lines relative to the merged (...) (17 years ago, 7-Aug-07, to lugnet.robotics.nxt)
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| | Re: Two NXT Back2Back
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(...) I do not see how you could burn any parts or drivers. Even if both ports would be in active sensor mode and (obviously) out-of sync, the electronics that connects the port to ADC should handle that as normally the same pin is used to power up (...) (17 years ago, 7-Aug-07, to lugnet.robotics.nxt)
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| | Re: NXT memory map
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|
(...) I found everything here (URL) not directly at Atmel... Christian (17 years ago, 7-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: RotateMotorEx hangs
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|
(...) The change I have made is to replace this: // Waits till angle reached index __rotate_firstPort0, __rotate_ports0, NA __rotate_Running0: getout __rotate_rs0, __rotate_firstPort0, RunState brcmp EQ, __rotate_Running0, __rotate_rs0, (...) (17 years ago, 6-Aug-07, to lugnet.robotics.nxt)
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| | RE: NRLink reading RCX response w/ RobotC
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(...) Look at the file "RCX2 LASM Byte Codes" for a description of each of the available opcodes. Read (URL) coupled with the contents of my previous email. (...) No valid message starts with with 'opcode' byte of '00' or 'FF'. [Check out the above (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
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| | NXT memory map
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Hi, where can I get some more informations about NXT memory map when system is running ? 1. Startaddress of RAM (Range: 0x0000 0000 - 0x0000 FFFF) ??? 2. Startaddress of Flash (Range: 0x0001 0000 - 0x0003 FFFF) ??? Is it true, that the flashmemory (...) (17 years ago, 6-Aug-07, to lugnet.robotics.nxt.nxthacking)
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| | RE: RotateMotorEx hangs
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|
As long as it will still retain the value of rotation count, it will be very useful. Otherwise, it will be bad! This will help in simulating an event driven instance. Do you see there is any down side of this implementation other than a few more (...) (17 years ago, 6-Aug-07, to lugnet.robotics.nxt)
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| | Re: RotateMotorEx hangs
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(...) You asked for it, you got it. :-) John Hansen (17 years ago, 5-Aug-07, to lugnet.robotics.nxt)
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| | Two NXT Back2Back
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|
Hello Community, can direct connection of two NXTs (port4) with normal Lego-cables damage any parts or drivers ? Normally I use a special cable (Pins 3,5,6) to use the RS485 communication to another NXT, but some guys told me, they have used the (...) (17 years ago, 5-Aug-07, to lugnet.robotics.nxt)
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| | RE: RotateMotorEx hangs
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|
"... Maybe I could check that the power level is not equal to zero as well..." Good idea. Will be included in the coming release? --Elizabeth -----Original Message----- From: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] On Behalf Of (...) (17 years ago, 5-Aug-07, to lugnet.robotics.nxt)
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| |
| | Re: File Error - what does it exactly mean?
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|
(...) I would guess that 99% of the time that you get a File Error abend in an NXT program it is because of trying to access an element beyond the end of the array. I'm glad you were able to figure the problem out quickly. It would be nice if the (...) (17 years ago, 5-Aug-07, to lugnet.robotics.nxt)
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| | Re: NRLink reading RCX response
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|
(...) Thanks for the recommendation John, I think we met in '99 at Mindfest at MIT, but I'm sure you met way too many to remember. I'm a long-time user of NQC and I evaluated NXC right after I got the NXT, along with RobotC. I've been focusing on (...) (17 years ago, 5-Aug-07, to lugnet.robotics.nxt)
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| | Re: File Error - what does it exactly mean?
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(...) I have to answer myself after analyzing the reason. The error occured when trying to access elements of array outside of the initialized range. Glad to have resolved it. (17 years ago, 5-Aug-07, to lugnet.robotics.nxt)
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| | File Error - what does it exactly mean?
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|
Hello, I have an NBC program which compiles fine and the previous versions of it were working as expected. After some minor modifications, the program is interrupted in the middle with a message "File Error!" shown on the LCD for a short momemnt and (...) (17 years ago, 5-Aug-07, to lugnet.robotics.nxt)
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| | Re: Wishlist for next pbLua Beta
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(...) My thought would be to aim for a filesystem designed for flash use, like yaffs ( (URL) ). That particular filesystem is licensed under GPL and might be uncomfortably large too, I'm not sure, but it's structured more appropriately than FAT. I (...) (17 years ago, 4-Aug-07, to lugnet.robotics.nxt)
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| | Re: NRLink reading RCX response
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|
(...) You might want to consider using NXC and the standard NXT firmware. Here's some code John Barnes wrote in NXC for reading sensor values via the NRLink: int count; int sensorval; int i; int temp; byte toggle=0; byte csum; byte RCXcmnd[]; /*[0] (...) (17 years ago, 4-Aug-07, to lugnet.robotics.nxt)
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| | Re: RotateMotorEx hangs
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|
(...) When you call RotateMotorXXX here is the code that is executed: subroutine __RotateMotor0 brtst EQ, __rotate_Done0, __rotate_angle0 sign __rotate_thePower0, __rotate_angle0 abs __rotate_theAngle0, __rotate_angle0 mul __rotate_thePower0, (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
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| | RotateMotorEx hangs
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|
This is actually the topic about interrupting RotateMotor(). I resend with a more appropriate topic. --E -----Original Message----- From: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] On Behalf Of Elizabeth Mabrey Sent: Thursday, August (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
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| | RE: Idea on how to interrupt RotateMotor?
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Look at the following sample code: ===...=== int shut =0; task x1() { TextOut(0, LCD_LINE3, "Waiting until it sees dark!..."); until (Sensor(IN_1)<40); shut=1; Off(OUT_AC); } task x2() { RotateMotorEx(OUT_AC, 75, 360, 0, FALSE, TRUE); TextOut(0, (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
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| | Idea on how to interrupt RotateMotor?
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Since there is no event in nxc. Is there anyway to interrupt this call via a Off(OUT_AC) in another task? RotateMotor(OUT_AC, 20, 800); I could have used a time Wait after onFwd. However, This will not allow me to get a more previous degree turning. (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
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| | Re: NRLink reading RCX response w/ RobotC
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(...) I downloaded the SDK from (URL) but can't find any reference to the message format. Perhaps this is the wrong SDK? I've looked in all the doc .pdf files and skimmed everything else. I sure am having a hard time locating things. (...) So what (...) (17 years ago, 3-Aug-07, to lugnet.robotics.nxt)
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| | RE: NRLink reading RCX response w/ RobotC
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(...) I couldn't find it either, but its out there somewhere. (...) Agreed. It started as a internal debugging tool and was left visible for the small handful of power users who write their own I2C device drivers. (...) Agreed. I went back and (...) (17 years ago, 2-Aug-07, to lugnet.robotics.nxt)
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| | Re: NRLink reading RCX response w/ RobotC
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(...) Searching for "robotc i2c" returns 3 message in the forums: "Interfacing with Lego Sensors" "Help with US sensor!!" "RobotC I2C Help" Only the third message describes "Test I2C Messaging". It's very specific to the message thread and in it you (...) (17 years ago, 2-Aug-07, to lugnet.robotics.nxt)
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| | RE: NRLink reading RCX response w/ RobotC
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|
There are three steps to reading an I2C message from a sensor. 1. Send a message to the I2C sensor to initiate the read. Look at the program "NXT HiTechnic Accelerometer" in the RobotC sample programs folder for an example that you can clone. (...) (17 years ago, 1-Aug-07, to lugnet.robotics.nxt)
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| | Re: pbLua Beta 13c first impressions
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|
Walt, Thanks for mentioning my pbLua installation instructions (that are available also in my "Advanced NXT - The Da Vinci Inventions Book" alongside with a lot of samples for pbLua programs, by the way ;-) ). Keep in mind, though, that they have (...) (17 years ago, 1-Aug-07, to lugnet.robotics.nxt)
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| | Re: pbLua Beta 13c first impressions
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|
(...) Walt, thanks for having a look at pbLua and giving it a try. Most importantly, thanks for providing feedback in a forum where we can all learn from what you have done... (...) Soon. It's next on the list of things to do. (...) pbLua has all (...) (17 years ago, 1-Aug-07, to lugnet.robotics.nxt)
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| | Eclipse and LEJOS OSEK
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Hi If you were looking for a nice IDE for LEJOS OSEK application development, why wouldn't you use Eclipse? I tested it and it works pretty well! (URL) (17 years ago, 1-Aug-07, to lugnet.robotics.nxt)
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| | pbLua Beta 13c first impressions
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|
pbLua beta 13c Ralph Hempel has given us pbLua which is a terrific free tool for programming the NXT. As a novice programmer, I had a bit of trouble getting it to work so I want to pass along my notes to other novices who might be interested. Feel (...) (17 years ago, 1-Aug-07, to lugnet.robotics.nxt)
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| | NRLink reading RCX response w/ RobotC
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I have posted a problem to the RobotC forums and not recieved any response: (URL) anyone here have any experience with RobotC (how is their support)? Has anyone here worked with the NRLink? Have you been able to get a response from the RCX? Thanks, (...) (17 years ago, 31-Jul-07, to lugnet.robotics.nxt)
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| | A Better Robo-Arm With Mindstorms Old And New
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Hello everyone. Here is my better robo-arm. It's meant to be an improvement on the "56-C" arm which is on the official NXT CD. A movie of the BetterArm (I hope it works)... (URL) view (click on Quick Pic) (URL) wrong with the official Lego arm? * (...) (17 years ago, 30-Jul-07, to lugnet.robotics.nxt)
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| | Re: NXT model instructions under OS X 10.2.8?
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(...) I've written a some time ago a detailed review of the file structure of these files. You can access it here: (URL) note that the building instructions for the retail and educational set models (i.e. TriBot, Alpha Rex etc.) can be downloaded as (...) (17 years ago, 30-Jul-07, to lugnet.robotics.nxt)
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| | Re: NXT model instructions under OS X 10.2.8?
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(...) The Academy content is just a series of HTML files. For Tribot, for instance, drill down this path: LEGO MINDSTORMS NXT/engine/editorVIs/Academy content/activities/v...es/tribot/ and then open "main.html". If you know click on the first (...) (17 years ago, 29-Jul-07, to lugnet.robotics.nxt)
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| | Re: Alternate NXT-Firmware flashing tools
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(...) Hi Matt, I think the problem is, that 99% of users using MS and Intel equipment... Minorities, like me, have always problems when using this :D I can't resist... Bye Christian (17 years ago, 29-Jul-07, to lugnet.robotics.nxt.nxthacking)
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| | NXT model instructions under OS X 10.2.8?
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My laptop can only run Mac OS X 10.2.8, but the NXT software requires 10.3 or later. And yes, I tried it anyway, but it crashes on launch. My desktop machine runs 10.4.9 and the NXT software works just fine, but I can't have my son sitting at my (...) (17 years ago, 29-Jul-07, to lugnet.robotics.nxt)
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| | Re: Alternate NXT-Firmware flashing tools
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(...) Hi Jürgen, just for information: nxjflash has the same problems at PPC and SPARC ;-( Next week I try to get a little endian machine and try it again... Thanx for your detailed informations Bye Christian (17 years ago, 29-Jul-07, to lugnet.robotics.nxt.nxthacking)
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| | NXTAssembler 1.0 Alpha 2
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Hi, First I want thanks John Hansen ,for the replies and for the NBC project. I released the alpha 2 of NXTAssembler 1.0, it's the first version that has something working! :-D (It's an alpha software and it contains a lot of bugs :-( ) Examples of (...) (17 years ago, 28-Jul-07, to lugnet.robotics.nxt)
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| | Re: Alternate NXT-Firmware flashing tools
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Hi all, (...) Recently, we finished a runtime for the RCX, and discovered the awful state of uploading tools for that platform. In particular, there are at least three versions of firmdl running around the net, each capable handling different (...) (17 years ago, 28-Jul-07, to lugnet.robotics.nxt.nxthacking)
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| | RE: RotateMotor is stuck/nxc
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John, The new nbc b31 works! Thank you! Now I'm onto making the biped walking more fluidly... --E -----Original Message----- From: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] On Behalf Of John Hansen Sent: Friday, July 27, 2007 1:30 (...) (17 years ago, 27-Jul-07, to lugnet.robotics.nxt)
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| | Re: Alternate NXT-Firmware flashing tools
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Hi Christian, (...) if you have an endianness problem it should be visible. The easiest would be to compare it with a little-endian machine. (...) It uses the SAM-BA protocol, which is rather simple and without error checking, more like what a human (...) (17 years ago, 28-Jul-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: RotateMotor is stuck/nxc
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(...) Elizabeth, Could you upgrade to b31 of NXC and see if you still have this problem? You will need to update your TextOut call to put the "false" as the last parameter or leave it out altogether. TextOut(0, LCD_LINE2, "DONE ROTATE"); Also, could (...) (17 years ago, 27-Jul-07, to lugnet.robotics.nxt)
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| | RE: RotateMotor is stuck/nxc
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Just to clarify more although it probably is very clear to most... LEGS_TURNING_DEG = some int to indicate the turning degree MOVENOW & DONE contains different integer values --E -----Original Message----- From: news-gateway@lugnet.com (...) (17 years ago, 27-Jul-07, to lugnet.robotics.nxt)
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| | RotateMotor is stuck/nxc
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Symptom: Stuck in RotateMotor function call. ===...=== Synopsis of how to create the problem : - 2 tasks - Task1 handles motor A & C - Task2 handles motor B - Task1’s motor movements have to synchronize with the Task2’s motor B movement - Mutex is (...) (17 years ago, 27-Jul-07, to lugnet.robotics.nxt)
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| | Re: Alternate NXT-Firmware flashing tools
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(...) ReHi Jürgen, yes this is a trivial job, but what should I learn from this packets ? fwflash returns no error back to commandline ... Does this mean fwflash works blindly and returns no protocol or packet errors ? Why is the result "success" (...) (17 years ago, 26-Jul-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: Alternate NXT-Firmware flashing tools
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Hi Christian, (...) you could add some code in lowlevel.c to dump the USB packets, and then look if you see anything wrong. Jürgen (17 years ago, 26-Jul-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: Alternate NXT-Firmware flashing tools
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(...) Hi Jürgen, very good idea. Please give me some hints where to start. I haven't found any --verbose command line parameters, yet :D OK, I'm trying to read the source again, expecting ENDIAN problems like every time using PPC and SPARC :-D Bye (...) (17 years ago, 25-Jul-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: Alternate NXT-Firmware flashing tools
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Hi Christian, (...) how about trying to fix fwflash? Jürgen (17 years ago, 25-Jul-07, to lugnet.robotics.nxt.nxthacking)
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| | Re: stop task
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(...) It hasn't, Elizabeth - I'm not upset at John, and he knows *far* more about programming than I do. I just wanted to point out that there are process where abruptly "killing" a thread was one of the best solutions I ever found, due to the speed (...) (17 years ago, 25-Jul-07, to lugnet.robotics.nxt)
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| | Alternate NXT-Firmware flashing tools
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Hi NXT-Community, I'm searching for an alternate firmware flashing tool for the NXT... Using the Lego Mindstorms Software is an easy way to do this, but not available for my favorite operating systems. I've tried fwflash from libnxt, but without (...) (17 years ago, 25-Jul-07, to lugnet.robotics.nxt.nxthacking)
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| | RE: stop task
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Everyone, Being fair in the judgement in using a global watchdog flag to terminate a task. Honestly, when I have a multi-threaded process, I have always used a watchdog type of flag, mutex, semaphore, etc. to signal a thread to terminate. I hardly (...) (17 years ago, 25-Jul-07, to lugnet.robotics.nxt)
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| | Re: stop task
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(...) Well, you may not consider that awkward, but having been able to use the "stop" & "start" task commands in NQC, I do actually consider it very awkward. For instance, if I want to immediately stop some task under the "stock" FW... well, I (...) (17 years ago, 24-Jul-07, to lugnet.robotics.nxt)
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| | Re: stop task
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(...) It is not a rather awkward option, imho. That's like saying breaking out of an infinite loop using a flag is awkward and that it would be better to have some form of stop loop keyword that you could use from outside the loop instead. Is it (...) (17 years ago, 24-Jul-07, to lugnet.robotics.nxt)
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| | Re: stop task
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(...) Using a global to flag out of a task is about the only (rather awkward) option I know of. This is one of the things that I really have issues with under the NXT-G FW. (17 years ago, 24-Jul-07, to lugnet.robotics.nxt)
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| | stop task
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I just noticed that there is no function to terminate a task like nqc . "stop" . I am currently setting up a global watchdog variable to signal a task to exit. Suggestion? --Elizabeth (17 years ago, 24-Jul-07, to lugnet.robotics.nxt)
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| | Re: Temporarily removing official NXT driver to use SAM-BA
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FYI, just in case anyone has this problem in the future, I was able to fix it by using "Update Driver" in Device Manager while the NXT was in SAM-BA mode, and telling Windows that I would choose the driver. On the list were the Lego driver and the (...) (17 years ago, 23-Jul-07, to lugnet.robotics.nxt)
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