 | | Re: NXT software's "My Portal" tab now actually does something
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You have to be connected to the internet for it to work. The panel is basically a tiny web browser (it uses Mozilla's Gecko rendering engine). (18 years ago, 18-Sep-06, to lugnet.robotics.nxt)
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| | Re: NXT software's "My Portal" tab now actually does something
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I can't get it to connect at all, I get "Not Connected" "Jordan Bradford" <jordan_bradfordREMO...tmail.com> wrote in message news:J5nurA.7K8@lugnet.com... (...) (18 years ago, 17-Sep-06, to lugnet.robotics.nxt)
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| | NXT software's "My Portal" tab now actually does something
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I don't know if anyone else has noticed this, but the "My Portal" tab in the NXT software now actually has some content. The first is a link to the Classic Cuckoo Clock and SoundBot building instructions on the Mindstorms website, and there are some (...) (18 years ago, 16-Sep-06, to lugnet.robotics, lugnet.robotics.nxt, FTX)
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| | Re: Gnah I'm afraid I've discovered a new bug :(
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(...) My faith in the company is undisturbed. Quick call to the sales dept and a new NXT is in the mail. They kindly asked me to return the broken one, using their free of charge mailing service. Note that they didn't say: "Return the unit, let us (...) (18 years ago, 14-Sep-06, to lugnet.robotics.nxt)
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| | Sony-Ericsson Z530i and other BT, Cam and Java phones
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As far as I've seen in the SDK's released by Sony-Ericsson Java programs do have full access to BT and camera. I don't think the phone has enough hardware to perform any image recognition more than very basic. But I chose that model since it has a (...) (18 years ago, 13-Sep-06, to lugnet.robotics.nxt)
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| | Re: Gnah I'm afraid I've discovered a new bug :(
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Replying to myself: I've been told by support to contact sales. Which is fair, not their fault that I contacted the wrong source. When it comes to Sony-Ericsson Z530i I'll create a new thread so we can discuss that. (...) (18 years ago, 13-Sep-06, to lugnet.robotics.nxt)
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| | Re: Flash Write Cycles
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(...) I am not 100% sure but I am pretty sure based on a number of discussions that I have been involved with during the MUP2/MDP. To the best of my knowledge a clicking brick (however it got into that state) is a brick running SAM-BA in flash with (...) (18 years ago, 13-Sep-06, to lugnet.robotics.nxt)
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| | Re: Gnah I'm afraid I've discovered a new bug :(
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(...) Yah well, that's GPS for you. Even high-budget GPS's don't work very well indoors, if at all. (18 years ago, 13-Sep-06, to lugnet.robotics.nxt)
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| | Details of the Bluetooth messaging protocol?
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Can someone clarify the details of the Bluetooth messaging protocol? The documentation is quite confusing. (There is documentation for this in the Executable File Specificationn and in the Bluetooth develop kit document, as well as some in the NXT-G (...) (18 years ago, 13-Sep-06, to lugnet.robotics.nxt)
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| | Re: Flash Write Cycles
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(...) flash Are you sure of this John? It seems like the reset button would be for dire circumstances and would do something different than the firmware boot mode. The spec says this about SAMBA loading: "To enter SAM-BA Boot Recovery, the TST pin (...) (18 years ago, 13-Sep-06, to lugnet.robotics.nxt)
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| | Re: Video from a Camera Cellphone into the NXT
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In article <003701c6d6bc$fe18c6...kdesktop>, Dick Swan <dickswan@sbcglobal.net> writes (...) Okay. (...) I was lacking context, and I think you are looking for a simple answer that is not yet available. (...) Interesting, I have not met any of this (...) (18 years ago, 13-Sep-06, to lugnet.robotics.nxt)
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| | RE: Video from a Camera Cellphone into the NXT
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Topic was formerly named "Gnah I'm afraid I've discovered a new bug". I've put a more relevant subject on it. This is in response to a reply from Tony Naggs. This is a good answer but not to the question I wanted answered. The currently available (...) (18 years ago, 12-Sep-06, to lugnet.robotics.nxt)
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| | Re: Gnah I'm afraid I've discovered a new bug :(
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In article <001501c6d613$4aece6...kdesktop>, Dick Swan <dickswan@sbcglobal.net> writes (...) There are quite a number of different software platforms, versions and variants for 'feature phones' and 'smart' phones. For Java a lot of APIs are (...) (18 years ago, 12-Sep-06, to lugnet.robotics.nxt)
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| | Re: Flash Write Cycles
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(...) [...] (...) According to what I have read, putting the AT91SAM7S processor in system recovery mode (i.e., by resetting it via the hardware reset button or by programmatically putting it into firmware boot mode) loads SAM-BA into flash and when (...) (18 years ago, 12-Sep-06, to lugnet.robotics.nxt)
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| | RE: Flash Write Cycles
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(...) I guess it depends on which way they fail? Do they fail in locked mode or in unlocked mode? If, as would be good design, they fail to permanently locked, I'd guess nobody is interested in trying. What nobody has mentioned yet is the (...) (18 years ago, 12-Sep-06, to lugnet.robotics.nxt)
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| | Re: Flash Write Cycles
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(...) Whether you reset the brick or just run the download firmware routine in the LEGO Mindstorms NXT software or in RobotC or in NBC/BricxCC you've put the brick in SAMBA mode (clicking brick mode) and the lock bits have been cycled. But I have (...) (18 years ago, 12-Sep-06, to lugnet.robotics.nxt)
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| | RE: Gnah I'm afraid I've discovered a new bug :(
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Anyone know if user applications (Java?) running on a camera phone have access to a recent frame buffer from the on-board camera? The objective of course is to perform image recognition on either the camera or the cellphone for the NXT to make (...) (18 years ago, 12-Sep-06, to lugnet.robotics.nxt)
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| | Re: Gnah I'm afraid I've discovered a new bug :(
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(...) Upgraded, and changed to fresh batteries twice, I sure hope it isn't but is feels very much like a hardware failure to me :( On the other hand I can report that I managed to get a low budget GPS to talk to my NXT. The bad news is that it works (...) (18 years ago, 12-Sep-06, to lugnet.robotics.nxt)
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| | Re: Gnah I'm afraid I've discovered a new bug :(
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(...) OK, that's just... weird. Are you using the straight-off-the-CD software, or have you upgraded with the "no clicking" patch? (18 years ago, 12-Sep-06, to lugnet.robotics.nxt)
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| | Gnah I'm afraid I've discovered a new bug :(
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My precious decided to die one night. When I tried to start it one morning it was totally dead, nothing could revive it. But since it was saturday and I had stuff to do I left it alone. Then several hours later it started to 'click' as described by (...) (18 years ago, 11-Sep-06, to lugnet.robotics.nxt)
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| | Re: NXT in London
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(...) Thanks, Tony, this information is great. I will check it out. Patrick (18 years ago, 11-Sep-06, to lugnet.robotics.nxt)
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| | Re: Bluetooth Commands via Perl
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Good luck. I did manage to get ruby-nxt working in windows, but I had to run it through cygwin to be able to compile the serial port module: (...) (18 years ago, 11-Sep-06, to lugnet.robotics.nxt)
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| | Re: Flash Write Cycles
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(...) As I understand it, the lock bits are only touched if SAMBA mode is entered, which is done when the reset button is pressed for more than about three seconds. At that point, the ARM erases the bottom two sectors and installs the SAMBA firmware (...) (18 years ago, 11-Sep-06, to lugnet.robotics.nxt)
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| | Re: Flash Write Cycles
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"Sivan Toledo" <stoledo@tau.ac.il> wrote in message news:J5DMMp.Bs5@lugnet.com... (...) firmware (...) called (...) True, you can't level the firmware - only file systems can be wear leveled. I understand that there has been discussion concerning (...) (18 years ago, 10-Sep-06, to lugnet.robotics.nxt)
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| | Re: Bluetooth Commands via Perl
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"Tony Buser" <tbuser@gmail.com> wrote in message news:b74cdea06090916...ail.com... (...) That was written for Linux, but hopefully, it will work on Windows as well. Dave (18 years ago, 10-Sep-06, to lugnet.robotics.nxt)
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| | RE: Flash Write Cycles
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(...) Don't forget that the education market is also a large portion of the Mindstorms market. Lifetime for education is more line ten years?? And depending on environment, these could be heavy use applications. LEGO has also been very generous in (...) (18 years ago, 10-Sep-06, to lugnet.robotics.nxt)
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| | Re: Flash Write Cycles
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(...) One probable reason that the NXT does not do any wear leveling is that it executes instructions directly from flash (the instructions in the firmware itself), which is memory mapped. This requires that these instructions are contiguous, which (...) (18 years ago, 10-Sep-06, to lugnet.robotics.nxt)
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| | Re: Flash Write Cycles
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In article <J5C97r.BBF@lugnet.com>, David <dww.robotics@gmail.com> writes (...) This is the guaranteed minimum number, with higher voltages and at higher temperatures than you are likely to use the NXT at. FLASH memory is a pretty mature technology (...) (18 years ago, 10-Sep-06, to lugnet.robotics.nxt)
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| | Re: NXT in London
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In article <J5CrsD.53w@lugnet.com>, Patrick Levy <patrick@omiccron.com.br> writes (...) That is the Lego Company's recommended price. Hamleys sell to many foreign visitors so they can probably help with advice on how to reclaim the VAT (17.5% retail (...) (18 years ago, 10-Sep-06, to lugnet.robotics.nxt)
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| | RE: Flash Write Cycles
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(...) I researched this topic about eight months ago. I no longer worry about it. I must admit I didn't know about the "lock-bits" specification and was concerned only with the "flash rewrite specification". I have also had other conversations on (...) (18 years ago, 10-Sep-06, to lugnet.robotics.nxt)
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| | Re: Flash Write Cycles
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(...) When downloading a program to the NXT using NBC if there is a file with the same name on the NXT already it is first deleted. Then a new file is created and written using the same filename. I don't know whether that means the firmware will (...) (18 years ago, 10-Sep-06, to lugnet.robotics.nxt)
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| | NXT in London
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Somebody can point me the best (cheapest) shop to buy the NXT in London? I will be there by october, and I only found it for £179,99 GBP in hamleys. (ouch!). TIA Patrick Levy São Paulo, Brazil (18 years ago, 10-Sep-06, to lugnet.robotics.nxt)
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| | Re: Flash Write Cycles
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(...) I don't; John Hansen might. While Flash memory does have a limited number of read/write cycles, it appears that the stated limit is conservative, by a large margin... although some of us have thought about a "test to failure" trial, I've not (...) (18 years ago, 10-Sep-06, to lugnet.robotics.nxt)
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| | Re: Bluetooth Commands via Perl
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(...) Although I haven't tried it, someone has created a perl module for sending commands here: (URL) haven't tried it because I'm working on a ruby module :) (URL) (18 years ago, 9-Sep-06, to lugnet.robotics.nxt)
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| | Flash Write Cycles
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Does anyone know how the NXT firmware handles writing program files into flash? If you re-flash a program with the same name, does it first erase the sectors that the old program was located in and then re-flash these sectors with the new program? (...) (18 years ago, 9-Sep-06, to lugnet.robotics.nxt)
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| | Re: Light sensor sampling freq?
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(...) Hmm, so speed isn't the issue, the issue is that the 'laser' must hit the detector head on. But luckily that was solved by inserting a thin slice of paper inside the 2x1 red transpararent brick and moving it tone stud in front of the sensor. (...) (18 years ago, 9-Sep-06, to lugnet.robotics.nxt)
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| | RE: Light sensor sampling freq?
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Standard Lego firmware samples every 3 msec. BricOS is much faster. I believe it is faster than once per second. RobotC on NXT is programmable to be 0.5 msec scan, 1 msec, 2 msec, ... up to 255 msec. But remember the readings are not persistent. If (...) (18 years ago, 9-Sep-06, to lugnet.robotics.nxt)
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| | Light sensor sampling freq?
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I'm working on a little nav idea that my robot can find my 'base' which is sweping a bright red led 'laser' over the area. I have to admit that I ventured into the Xacto and crazy glue area by using a 'laser' pointer and glueing four tiny mirrors (...) (18 years ago, 9-Sep-06, to lugnet.robotics.nxt)
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| | Re: CBS (Clicking Brick Syndrome) Patch availible
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(...) Problem solved! I was worried installing the new driver v1.02 (linked earlier in this thread, because my firmware version said 1.03. But John Hansen confirmed that they are 2 different things, so I installed the update and voila! It might be a (...) (18 years ago, 8-Sep-06, to lugnet.robotics.nxt)
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| | Re: CBS (Clicking Brick Syndrome) Patch availible
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(...) Well I have a retail set, and decided to try downloading the firmware via USB from the LEGO software, and you guessed it, I got clicking. So I pressed the reset button as they suggest, and tried downloading it again, the progress bars all (...) (18 years ago, 8-Sep-06, to lugnet.robotics.nxt)
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