 | | 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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