 | | Re: Preserving old-school Mindstorms resources
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Patch 10: This works for me under Cygwin with a USB tower, but some of the files such as rcx_comm.c have a bit of platform-specific code. Patch 11: I've noticed that the linker command file is a little different in Bibo than it was in BrickOS. If (...) (15 years ago, 21-Apr-09, to lugnet.robotics.rcx.legos)
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| | Re: Preserving old-school Mindstorms resources
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(...) specific patches from the Bibo set. However the symptoms are identical under BrickOS so I assume they would be linked to the same patches there. Patch 10: Under Ubuntu with the usb tower, this causes firmdl3 to exit with error "read: resource (...) (15 years ago, 20-Apr-09, to lugnet.robotics.rcx.legos)
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| | Re: Preserving old-school Mindstorms resources
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(...) (URL) . Unfortunately (at least from a code merge perspective), their "version 1.2" is based on BrickOS 0.2.5. The lnp_printf functionality has been adapted and included in the recently-posted rollup patches, but incorporating other (...) (15 years ago, 19-Apr-09, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Patches and Development
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Now for Bibo.... I have merged these patch rollup collections with Bibo (where appropriate) and have posted the resulting diff files to (URL) of this follows the pattern of the previous patch rollup collection for BrickOS, with the following notes: (...) (15 years ago, 19-Apr-09, to lugnet.robotics.rcx.legos)
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| | Re: Preserving old-school Mindstorms resources
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A very useful site is the cs university page here: (URL) of useful tutorials and instructions. It would be unhelpful to have it disappear. All of the stuff at the legos/brickos sourceforge pages, however a backup probably isn't needed of these. A (...) (15 years ago, 18-Apr-09, to lugnet.robotics.rcx.legos)
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| | Re: Preserving old-school Mindstorms resources
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(...) Nice to see a few of us share the interest. :-) The best I can offer for a list of patches is what I listed in the post here [ (URL) ], along with Carl's follow-up post. That list was culled from links I've collected over the years. As was (...) (15 years ago, 14-Apr-09, to lugnet.robotics.rcx.legos)
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| | Re: Preserving old-school Mindstorms resources
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After surfing through many sites, and (sadly) even more 404s I have been unable to find a definitive list of gcc, binutils, BrickOS etc. versions and patches that I should and could be using. Presumably everybody here has up to date versions of all (...) (15 years ago, 13-Apr-09, to lugnet.robotics.rcx.legos)
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| | Preserving old-school Mindstorms resources
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Hi all Lately I've noticed a lot of old-school Lego Mindstorm resources are starting to disappear from teh webz. I've blagged about wanting to preserve this stuff here: (URL) the-brick If anyone knows of any resources you think should be maintained (...) (15 years ago, 12-Apr-09, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Patches and Development
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(...) I have found the following related to the removal of h8300-*-hms from binutils: 1) (3 URLs) current Debian version of binutils-h8300-hms is 2.16.1-8 - (URL) the package page ( (URL) ), there is a downloadable *.diff.gz file. That diff file, (...) (15 years ago, 5-Apr-09, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Patches and Development
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Hi, (...) I had worked to assimilate those patches prior to the second version of the performance patch being posted, so I'm glad to hear that it also works well. (...) When I went back through to add TCP support to other things, that "similar but (...) (15 years ago, 4-Apr-09, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Patches and Development
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Hello, 2009/3/31 Carl Troein <carl@thep.lu.se>: (...) For some unknown reason the address suddenly pointed to the old server again which was shutdown in December last year. I noticed it myself only by chance. It seems that the dyndns record has (...) (15 years ago, 31-Mar-09, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS Patches and Development
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(...) Case in point: when I first started on this post some weeks(!) ago, hoenicke.ath.cx wasn't responding. (...) And it's not getting easier if we've collected different sets of patches and then make further changes based on those... So yeah, we (...) (15 years ago, 31-Mar-09, to lugnet.robotics.rcx.legos)
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| | BrickOS Patches and Development
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Greetings, This is a follow up to earlier postings discussing the development status of BrickOS. While the Sourceforge project has not had much activity of late, I've come across various modifications that, unfortunately, have never made it (...) (15 years ago, 15-Feb-09, to lugnet.robotics.rcx.legos)
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| | Re: Development status
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(...) I think we need to stick with 2.16.1, I don't know whether porting brickos to elf is really worth the trouble. Newer gcc versions would be nice, indeed, and brickos also builds fine with (some of?) these, but I never actually got it to run on (...) (15 years ago, 31-Jan-09, to lugnet.robotics.rcx.legos)
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| | Re: Development status
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Hi all, This is great to see there's still some interest. I may not have opportunity to post over the next couple days, but I have created some patches against the latest Sourceforge CVS (as I believe there are a few differences between the CVS and (...) (15 years ago, 30-Jan-09, to lugnet.robotics.rcx.legos)
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| | Re: Development status
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(...) From what I can tell, support for h8300-hitachi-hms(/coff) was dropped from binutils after 2.16.1. I have no real idea how much work it would take to port brickOS (plus brickemu, preferably) over to elf, but I suspect that it'd be a lot. (...) (15 years ago, 29-Jan-09, to lugnet.robotics.rcx.legos)
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| | Re: Development status
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Michael, Carl, (...) I'm encouraged by your efforts Carl and I don't have time to do the gcc work so Michael, I'd like to take you up on your offer. I do have two of the RCX bricks and a number of USB/IR towers and Linux machines. Carl, I've limited (...) (15 years ago, 27-Jan-09, to lugnet.robotics.rcx.legos)
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| | Re: Development status
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[...] (...) That's great news so far :-) Some time ago, however, I've tried to get brickOS to run on those old h8300 bricks, but it only seemed to work when using an old tool-chain (which is also the reason why the related packages never got (...) (15 years ago, 27-Jan-09, to lugnet.robotics.rcx.legos)
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| | Re: Development status
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(...) Hi Stephen, 2*Michael and others, I've (finally) started playing around with brickOS again. My RCX and almost all of my Lego is in storage a long long way from here, but that may actually be a good thing in this context. I've applied Jochen's (...) (15 years ago, 25-Jan-09, to lugnet.robotics.rcx.legos)
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| | Trains, Car and Level Crossing Automatic Control System
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This system is used 4 RCXs to control 2 trains, 1 car and 1 level crossing. RCX1 is used to control 3 switch points and response 3 light sensors. RCX2 is used to control 3 segments track and response 2 light sensors. RCX3 is used to control level (...) (16 years ago, 6-Sep-08, to lugnet.announce.moc, lugnet.trains, lugnet.robotics.rcx.legos) !
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| | Re: Problem to send long messages from RCX to PC via com Hack
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(...) Dear Matthew I have found the problem. It was in kernel\lnp-locical.c -> cheking the echo was the problem solution: echo OFF it is a rough solution, but it works changes 1) rx_handler(void) ... // echos of own bytes -> collision detection // (...) (16 years ago, 29-Jun-08, to lugnet.robotics.rcx.legos)
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| | Re: Problem to send long messages from RCX to PC via com Hack
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I don't know if this is would be of any help, as it uses a different approach, but I thought I'd pass it along anyway.... Bi-directional Bluetooth to IR translator - (URL) (PDF format: (URL) ) While this solution doesn't allow both the serial and IR (...) (16 years ago, 28-Jun-08, to lugnet.robotics.rcx.legos)
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| | Problem to send long messages from RCX to PC via com Hack
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Hi, Once again i am back about RCX and BT-Connection. Receiving messages from the PC via BT to the RCX is OK. But if I send messages from the RCX to the PC with 4800 Baud i get only 4 Bytes. So I go back to 2400 Baud, forget BT and make a serial (...) (16 years ago, 10-Jun-08, to lugnet.robotics.rcx.legos)
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| | Re: RCX Serial Hardware Hack
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Dear Claude (...) A: Thank you for finding the PDF. (...) A: I will check ( measure the Voltage on the IF LEDS) should be approx. 9V betweem LED and Transistor if everything is off. (...) A: Now i had success . It works. (...) I have allready done (...) (16 years ago, 29-May-08, to lugnet.robotics.rcx.legos)
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| | Re: RCX Serial Hardware Hack
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Dear Matthew (...) A: Now it works with 4800 baud via bluetoothconnection . There was a couple of Problems. 1) At first i tried with the USB Tower but i coult only swith to 4800 bauds but there is no possibilty to change parity. 2) With the serial (...) (16 years ago, 29-May-08, to lugnet.robotics.rcx.legos)
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| | Re: RCX Serial Hardware Hack
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"Claude Baumann" <cbaumann@ci.educ.lu> wrote in message news:K1E031.y4@lugnet.com... (...) I was able to retrieve it from archive.org - (URL) . (16 years ago, 28-May-08, to lugnet.robotics.rcx.legos)
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| | Re: RCX Serial Hardware Hack
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(...) The carrier should be quiet in any case, because it disturbs the TX signal. (...) We tried this,but it didn't work. Why, because the transistor will drain some current, if the emitter has positive voltage and the base goes low. If the carrier (...) (16 years ago, 24-May-08, to lugnet.robotics.rcx.legos)
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| | Re: RCX Serial Hardware Hack
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Glad to hear it is working--thank you for the update. If I may ask, I have a few questions-- * So if I understand these posts correctly, 4800 baud now works with the IR connection and not just with the hardware hack? *A couple posts from Dick Swan (...) (16 years ago, 24-May-08, to lugnet.robotics.rcx.legos)
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| | Re: Success
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Hi I have implemented the stuff // and set the port6<7> pin LOW. Now the upper PNP transistor isn't conducting anymore. Now TX and RX works Here are the program #include <lnp.h> #include <conio.h> #include <string.h> #include <lnp-logical.h> (...) (16 years ago, 20-May-08, to lugnet.robotics.rcx.legos)
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| | RCX Serial Hardware Hack
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Hi As allready described in a other thread i have build a bluetoothconnection between pc and the RCX. There is one thing that the serial bluetooth is only available to tx/rx with a minimum from 4800 baud. At first i compiled brickos 0.9.0 with (...) (16 years ago, 20-May-08, to lugnet.robotics.rcx.legos)
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| | Re: brickos 090 problem no program download with CONF_LNP_FAST
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(...) I have found the thread, its in (URL) is a also a 2 thread in (URL) the usb tower dll. and a c program called joybricxsrc.zip I looked short in the header files LEGOUSBTowerioctl.h and there is a posibility to set the speed #define (...) (16 years ago, 3-May-08, to lugnet.robotics.rcx.legos)
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| | Re: brickos 090 problem no program download with CONF_LNP_FAST
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.Sorry for the delay Now i am in italy , triest. so i just do a short look in the messages. Thanks for the answers. In meantime i recogmised too that there is no serial baud rate change in the dll for the usb. I think i have something at home what i (...) (16 years ago, 3-May-08, to lugnet.robotics.rcx.legos)
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| | RE: brickos 090 problem no program download with CONF_LNP_FAST
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Somewhere in the bowels of the header files within the RCX SDK is a list of "IODEVICE control commands" which does include description of messages required to change baud rate on the USB tower. I am assuming you're not using the LEGO Windows DLL (...) (16 years ago, 30-Apr-08, to lugnet.robotics.rcx.legos)
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| | Re: brickos 090 problem no program download with CONF_LNP_FAST
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Hello Bernhard, (...) I just checked the source code. There is no speed setting for usb tower in the code. If you look into firmdl3 you also find that fast mode is disabled for USB, because it doesn't work. I think the USB tower sends at 2400 baud (...) (16 years ago, 30-Apr-08, to lugnet.robotics.rcx.legos)
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| | RE: brickos 090 problem no program download with CONF_LNP_FAST
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You should scan for some old posts by either John Barnes or Philo concerning the different "IR transceiver" chips used between RCX 1.0 and 2.0 and between serial vs USB towers. As I recall: Serial tower can only transmit 38 KHz carrier. It's IR (...) (16 years ago, 30-Apr-08, to lugnet.robotics.rcx.legos)
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| | Re: brickos 090 problem no program download with CONF_LNP_FAST
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(...) Now i have success ! !) i made to directorys brickos-0.9.0_orig with //#ifdef CONF_LNP_FAST in /boot/config.h and util/dll-src/config.h and brickos-0.9.0_pat48 with #ifdef CONF_LNP_FAST in /boot/config.h and util/dll-src/config.h 2) compile (...) (16 years ago, 30-Apr-08, to lugnet.robotics.rcx.legos)
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| | Re: brickos 090 problem no program download with CONF_LNP_FAST
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Hello Jochen At first i was astonished, that somebody is answering so fast, because in the last 2 years there is not much conversation here. (...) I am not completly shure about your question concerning standart HW. I use the USB Tower and the (...) (16 years ago, 30-Apr-08, to lugnet.robotics.rcx.legos)
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| | Re: brickos 090 problem no program download with CONF_LNP_FAST
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Hello Powolny, > > I build allready a bluetooth connection between the pc and the rcx . The > bluetooth module (BTM-222) supports the spp serial protocoll only for 4800 or > higher baudrates. But it is cheap in comparsion to other ones. Costs about (...) (16 years ago, 29-Apr-08, to lugnet.robotics.rcx.legos)
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| | brickos 090 problem no program download with CONF_LNP_FAST
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Hi I build allready a bluetooth connection between the pc and the rcx . The bluetooth module (BTM-222) supports the spp serial protocoll only for 4800 or higher baudrates. But it is cheap in comparsion to other ones. Costs about 14 Euros. Look here (...) (16 years ago, 29-Apr-08, to lugnet.robotics.rcx.legos)
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| | Re: Want to Buy a RCX USB IR-Tower
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(...) Just buy a USB to Serial adaptor and use your Serial Tower if you can't find a USB Tower for sale anywhere. They're not very expensive and work fine. Many new desktop PC's done have serial ports these days. Dom (16 years ago, 23-Jan-08, to lugnet.robotics.rcx.legos)
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| | Re: Want to Buy a RCX USB IR-Tower
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(...) If your IR tower still functions, and it's just a matter of not having a serial port, the simplest solution would be to just buy an adapter that will allow you to hook up a serial device to a USB port. I don't know if Radio Shack will deliver (...) (16 years ago, 23-Jan-08, to lugnet.robotics.rcx.legos)
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| | Want to Buy a RCX USB IR-Tower
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Guys, Just retrieved my (dusted) RCX kit & a few spybots, when I move things around, unfortunately, my notebook does not have serial port any more. Moreover, the CD does not support XP either. Do you aware if any online shop will sell RCX USB (...) (16 years ago, 22-Jan-08, to lugnet.robotics.rcx.legos)
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| | Re: Possible bug? Simple light sensor condition checking.
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(...) It looks to me like the c compiler optimized the assignment to the variable away, since there is no external method call (shutdown_requested() is just a macro). (...) You should make this volatile int offonpad = 0; (...) You should also put an (...) (17 years ago, 16-Jul-07, to lugnet.robotics.rcx.legos)
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| | Re: Possible bug? Simple light sensor condition checking.
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I use BrickOS (LegOS) but I'm not expert in the inner workings. The code you have here appears fine to me. So, it may be a bug in BrickOS, or a problem elsewhere in your code. I will say I've ran into some interesting things when using tasks. (...) (17 years ago, 16-Jul-07, to lugnet.robotics.rcx.legos)
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| | Possible bug? Simple light sensor condition checking.
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I tried my own skill on writing a program for the included lego test pad (RIS 2.0), and I discovered something weird. The following code does set the conditions right, but the following code doesn't set the conditions right if I comment out the (...) (17 years ago, 16-Jul-07, to lugnet.robotics.rcx.legos)
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| | Re: Shutdown/Off while program running crashes BrickOS
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(...) Yes, that should be the latest version. (...) That is correct. You shouldn't need to do anything else. At one point, I made some changes to the firmware so the program could also access the run button. But, normally all that is handled in the (...) (17 years ago, 17-Jun-07, to lugnet.robotics.rcx.legos)
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| | Re: Shutdown/Off while program running crashes BrickOS
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(...) I'm using what appears to be called BrickOS 0.9.0. It was installed using John Hansen's simplified installation from his BricxCC sourceforge site. I was under the impression that on later versions of BrickOS, like what I am using, the firmware (...) (17 years ago, 17-Jun-07, to lugnet.robotics.rcx.legos)
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| | Re: Shutdown/Off while program running crashes BrickOS
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(...) Gus, It sounds like the code is testing for pressing the run button, but not pressing the power button. I would think testing for shutdown would be good enough, but who knows... :) What version of BrickOS are you using? I'd be glad to take a (...) (17 years ago, 17-Jun-07, to lugnet.robotics.rcx.legos)
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| | Shutdown/Off while program running crashes BrickOS
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I have a big and somewhat complicated BrickOS program that I believe is reasonably well behaved. All my loops monitor shutdown_requested and I have tested stopping the program with the Run button while the program is in various states and it always (...) (17 years ago, 16-Jun-07, to lugnet.robotics.rcx.legos)
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| | Re: Getting patches integrated into the brickos?
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(...) As far as I know, all the sourceforge web pages are held in the CVS repository, as are the sources. Only people with developer permission on the project have commit access to CVS - you have to contact the project admins to request that (...) (17 years ago, 25-Apr-07, to lugnet.robotics.rcx.legos)
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| | Getting patches integrated into the brickos?
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|
I've been trying to build a cross compiler and brick-os on my machine for a day now and well, what can I say except that all the how-to's and instructions for building brick-os seem to be either wrong, bad or out of date. (e.g. they talk about very (...) (17 years ago, 23-Apr-07, to lugnet.robotics.rcx.legos)
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| | lnp sending from rcx to pc problems
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hi, (1. PROBLEM) :o) i am trying to send something from my rcx to my pc(serial tower) via lnp. with my rcx program running i started lnpdump to see if anything arrives at my pc, but nothing seems to arrive. with my pc-side program i also cant (...) (17 years ago, 29-Dec-06, to lugnet.robotics.rcx.legos)
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| | problem running LNPD on Debian, LNP programs on the PC side
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Hi everyone, I'm doing my thesis using Brickos and LNP on Debian, with a RCX 2.0 and an IR tower USB, LNP because I need to have a constant communication between the pc and several RCXs. I'm using brickos lnpd_0.9.0-1 stable, lnpd_0.9.0-1_i386.deb (...) (17 years ago, 21-Nov-06, to lugnet.robotics.rcx.legos)
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| | Re: Development status
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(...) Santa thinks I haven't played enough with my RCX since I got it, so he won't give me a NXT just yet. ;-) (...) Aside from some signedness warnings and a missing function for converting unsigned to float, brickOS compiles nicely with gcc HEAD. (...) (17 years ago, 25-Nov-06, to lugnet.robotics.rcx.legos)
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| | Re: Development status
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(...) Still it is nice to see some activity :-) BTW: I've adopted Stephen's Debian packages, so there are new ones for those of you who are on Debian. Is there anything one could do to help? Best, Michael (17 years ago, 25-Nov-06, to lugnet.robotics.rcx.legos)
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| | Re: Development status
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Hi Carl, I think we all want to get (or have it already) a NXT brick. BrickOS was not changed in the last year, as I remember. But it is a great way to do real programming and I wish to have someting like a nxtOS. :) (...) That sounds great for me. (...) (17 years ago, 24-Nov-06, to lugnet.robotics.rcx.legos)
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| | Re: Development status
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Carl, Welcome! If you have the time and the interest we welcome your spending time on this. As you can tell there has not been much activity here in a while... ;-( (...) Regards, Stephen -- (17 years ago, 24-Nov-06, to lugnet.robotics.rcx.legos)
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| | Development status
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|
Hey folks. I played around a bit with brickOS a couple of years ago but never got around to do anything serious. And now I thought I'd look into it again, if only for the joy of low-level coding. So I noticed, like others before me, that brickOS (...) (17 years ago, 23-Nov-06, to lugnet.robotics.rcx.legos)
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| |
| | ½Å°³³ä ¸¶À̳ʽº ·Ð ź»ý
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--0.2B03F5FF9_E7.D6D1F_F Content-Type: text/html; Content-Transfer-Encoding: quoted-printable <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3Deuc-kr">= </head> <body oncontextmenu=3D"return false" (...) (18 years ago, 17-Jun-06, to lugnet.robotics.rcx.legos)
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| |
| | Join the Hoodia revolution
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Hoodia 920+ -- The newest and most exciting fat loss product available - As seen on Oprah! (URL) testimonials: "I was originally amazed that the first two pills I took of Hoodia 920+, almost immediately took my cravings away. Now 4 weeks later, 3 (...) (18 years ago, 17-Jun-06, to lugnet.robotics.rcx.legos)
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| | Re: LNPd with USB Tower - success?
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Hi, lnpd is a very old program and has several problems, it does not support the protocol used by brickOS, lacks support for the USB tower and may lose packets as soon as they get too large (>8 bytes or so). Collision detection does not work as long (...) (18 years ago, 15-Apr-06, to lugnet.robotics.rcx.legos)
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| | Re: communication between NXT and RCX!?
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(...) The NXT has a new sensor control bus. That allows many ways to interact almost anything you want. From Hear-say i have heared that HiTechnics is building an NXT - IR converter in the size of a NXT sensor.. Daniel Wittenaar Brickbash Robotics (18 years ago, 5-Mar-06, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | Re: Brickos c++ threads problem
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(...) The h8300 gcc compiler is really buggy across different versions of gcc/binutils. Using the wrong version of binutils/gcc with each other always causes extremely strange problems on my RCX. Usually it will allow me to send the firmware, but (...) (18 years ago, 14-Feb-06, to lugnet.robotics.rcx.legos)
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| | Re: Brickos c++ threads problem
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(...) Danny, I've not used C++, but I have seen problems like this. For me, it happened when the firmware in my brick didn't match the firmware I compiled the program to use. However, it doesn't sound like that's the problem your having. I'd suggest (...) (18 years ago, 13-Feb-06, to lugnet.robotics.rcx.legos)
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| | Brickos c++ threads problem
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:Hi. I'm currently working on a thesis using Brickos 0.9.0. I succeeded in writing, compiling and uploading c code. When I tried to convert the SAME program in c++ (changing extension from .c to .cpp) and eventually including a library such as (...) (18 years ago, 9-Feb-06, to lugnet.robotics.rcx.legos)
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| | Re: Should I lubricate my Lego motor?
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(...) Both. Likely due to bad design and/or manufacture. Someone at TLC is supposed to be looking into it. But I do not know what is the outcome. C S Soh (18 years ago, 25-Jan-06, to lugnet.robotics.rcx.legos, lugnet.technic)
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| | Re: Should I lubricate my Lego motor?
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(...) Is this triggered by time or by usage? (i.e. will a motor that is run more wear out faster?) (18 years ago, 24-Jan-06, to lugnet.robotics.rcx.legos)
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| | Re: Should I lubricate my Lego motor?
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(...) You may want to check if your motors are the new type 9V geared motor (#43362). If so, please be aware it is prone to failure, the first sign being sticking. Pl see my previous post on this ailment: (URL) amount of lubrication is going to (...) (18 years ago, 24-Jan-06, to lugnet.robotics.rcx.legos)
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| | Should I lubricate my Lego motor?
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My robot is having a hard time getting around and I think that it's because the motors seem to be sticking. Even on my linoleum floor, my little tank robot often gets stuck and goes in slow circles, because one motor gets stuck. Once I nudge it or (...) (18 years ago, 24-Jan-06, to lugnet.robotics.rcx.legos)
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| | Re: LNPd with USB Tower - success?
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(...) I've never used LNPd, but since it's old enough to have "legOS" as its first letter, then it must support the serial IR tower. If no one else has info for you, you might consider buying one. Pitsco sells it new for $31.00: (URL) can get them (...) (18 years ago, 10-Jan-06, to lugnet.robotics.rcx.legos)
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| | Re: HOWTO: Building and installing brickOS tools on Mac OS X with USB IR tower
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(...) As I said to Marc in a private email (I have trouble posting to lugnet, not being a member and all), I hacked "dll" so that it works on Mac OS X 10.4 with the USB tower, using the USB code from lejos. (URL) that helps. cheers peter (18 years ago, 10-Jan-06, to lugnet.robotics.rcx.legos)
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| | Re: HOWTO: Building and installing brickOS tools on Mac OS X with USB IR tower
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(...) Perhaps one of the brickOS folks wants to work with me to turn this into a HOWTO that can go on the brickOS site? I also could take a stab at modifying the "dll" program to support USB on the Mac. If any folks from brickOS are interested, (...) (18 years ago, 9-Jan-06, to lugnet.robotics.rcx.legos)
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| | LNPd with USB Tower - success?
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Hi, I'm new here. My name is Pierluigi and I am a student at the Turin Polytechnic ((URL) ). I've used BrickOS with LNPd for a summer project, and I've recently bought the Robotics Invention System 2.0, that comes with a USB IR Tower. This tower (...) (18 years ago, 9-Jan-06, to lugnet.robotics.rcx.legos)
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| | communication between NXT and RCX!?
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Since the NXT does not have IR capability, it will not be communicate with the RCX brick. If there is no such plan from LEGO to build in the new NXT such capability, I am afraid they are going to put RCX brick in an obsolete track!? O, no! ---...--- (...) (18 years ago, 9-Jan-06, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | Re: HOWTO: Building and installing brickOS tools on Mac OS X with USB IR tower
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(...) Thank you! It will be. Intallation is one reason I've never moved into BrickOS (despite some people urging me to) on the Mac. (18 years ago, 8-Jan-06, to lugnet.robotics.rcx.legos)
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| | HOWTO: Building and installing brickOS tools on Mac OS X with USB IR tower
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Hi all, I just finished compiling and installing a cross-compiler and brickOS to my RCX from my PowerBook with Mac OS X Tiger 10.4.3 and a USB IR tower. Here's a blog posting about my experience: (URL) that I was able to install brickOS to my RCX (...) (18 years ago, 8-Jan-06, to lugnet.robotics.rcx.legos)
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| | Controlling RoboSapien & family from RCX
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Hi, It appears to be straight-forward to control the WowWee robots from RCX and generate their IR commands by controlling the TxD output pin of the RCX's processor. More info, small webcam video, and simple example source: (URL) opens up for a lot (...) (18 years ago, 7-Jan-06, to lugnet.robotics.rcx.legos)
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| | The NXT generation version
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from the lego press release... ...The heart of the new system is the NXT brick, an autonomous 32-bit LEGO microprocessor that can be programmed using a PC, or for the first time in the retail offering, a Mac. After building their robots, users (...) (18 years ago, 5-Jan-06, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | The NXT generation version
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Approved: emabrey@storming-robots.com from the lego press release... ...The heart of the new system is the NXT brick, an autonomous 32-bit LEGO microprocessor that can be programmed using a PC, or for the first time in the retail offering, a Mac. (...) (18 years ago, 5-Jan-06, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | the new MINDSTORMS NXT
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Hi everyone, Wonder if anyone knows much about the NXT. Exciting addition, but I am concerned with the software compatibility with the future Robolab 3.0. From what I understand, beta Robolab 3.0 only is underway for Mac platform. How about the (...) (18 years ago, 5-Jan-06, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.robolab)
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| | Re: earlier version of binutils?
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(...) Hi again, I've got it working now, thanks to help from Jochen Hoenicke and Peter Gammie. I've posted my notes on the process here, if anyone is interested: (URL) now I've got a new problem... Everything was working great for about a day, but (...) (18 years ago, 31-Dec-05, to lugnet.robotics.rcx.legos)
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| | Re: train precision
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(...) Yes, I used the same code for controlling Legway as the Great Ball Contraption train. That's what I posted here: (URL) (18 years ago, 29-Dec-05, to lugnet.robotics.rcx.legos)
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| | Re: train precision
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(...) didn't find the c code in the url you mentioned. You used the same technique in the train, as in the legway? daniel (18 years ago, 29-Dec-05, to lugnet.robotics.rcx.legos)
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| | Re: train precision
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(...) thanks for the suggestion, Brian I want to make some experimences with LDCC some day. But not in this project. daniel (18 years ago, 29-Dec-05, to lugnet.robotics.rcx.legos)
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| | Re: train precision
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(...) ... (...) ... (...) ... (...) As Brian said, it's not the motors, it's the RCX. You can run Technic motors off a train controller, and you can vary the speed. But you need to do a bit more if you're using the RCX. We used that scheme when we (...) (18 years ago, 29-Dec-05, to lugnet.robotics.rcx.legos)
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| | Re: train precision
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I do think Steve is on the right track here. The train regulator varies the voltage, but the RCX output can't. So you are left with managing (nominally) 9v pulses. But there is another solution. You could add a DCC decoder to your train motor, and (...) (18 years ago, 29-Dec-05, to lugnet.robotics.rcx.legos)
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| | Re: train precision
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(...) hi Steve, I think the problem is not exactly the same. The lego technic motors run always at the same speed so you need to use that kind of schema for speed control in robots. The train motors are different, they have a speed proportional to (...) (18 years ago, 29-Dec-05, to lugnet.robotics.rcx.legos)
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| | Re: train precision
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(...) Daniel, One problem you'll run into with most software is that it switches between power and float to adjust the motor levels. It works much better to switch between power and brake. Using most software, the train will continue to speed up, (...) (18 years ago, 27-Dec-05, to lugnet.robotics.rcx.legos)
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| | train precision
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A couple of years ago, i used brickOS. Then, i changed to Lejos... I have a moc where i use the RCX to control a train with a lego train motor. It is difficult to control the train with LejOS, because it only has 8 output levels. Two solve the (...) (18 years ago, 27-Dec-05, to lugnet.robotics.rcx.legos)
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| | earlier version of binutils?
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Hi, I have been trying to get brickos to compile on my linux machine. I followed the instructions here: (URL) used binutils version 2.16.1, and gcc version 4.0.2. The cross compile seemed to work. However, when I try to compile brickos, I get the (...) (18 years ago, 22-Dec-05, to lugnet.robotics.rcx.legos)
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| | Re: avoid messaging
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(...) I'd agree that a physical block is the easiest, although there is a software solution. The RCX can not recieve a command while it's transmitting - so if you saturate the transmitter with things to do, it will not be able to "look" for any (...) (18 years ago, 5-Dec-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | RE: avoid messaging
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Yes, I indeed have an attachment which will act like blockage, but not a full one though. Sounds like this is the fastest and easiest to do. I fully understand the opcodes concept, as I myself wrote compile code before. However, these kids age only (...) (18 years ago, 5-Dec-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | Re: avoid messaging
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(...) If you have an event waiting for a message, I doubt it will have much impact on the speed of the rest of the program. However, this will not catch the messages you're looking for. You can't use the "mail" function to receive op-code, such as (...) (18 years ago, 5-Dec-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | avoid messaging
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Hi In order to avoid unwanted interruption, such as remote shutdown, from other RCX during execution time, I wonder if the only thing can be done to safe-guard my RCX will be having an independent task dedicated to receive message (mail). This, of (...) (18 years ago, 5-Dec-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | using rotation sensor
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Most of you are aware of the speed of the robot often causes parity in distance via the feedback of rotation sensors because of inertia. In our experiment, even with a robot with moderate speed. The parity seems to often occur right at the beginning (...) (18 years ago, 30-Nov-05, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos)
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| | rack & pinion, & subvis
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My club children, age 11 to 14, just started to make a writer... This is different from what is in the Ferrari's book. The one we are attempting to build is to load the pen into the center of the construction. RCX is sitting on a mobile chassis. (...) (18 years ago, 26-Nov-05, to lugnet.robotics.rcx.legos)
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| | Re: use RCX with the lego set 4095
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(...) That would require extensive redesign, as the 4095 unit also contains the motors in a compact unit... Philo BTW: imho 4095 is not worth buying (main unit is close to useless) unless you get it at a very low price! (18 years ago, 25-Nov-05, to lugnet.robotics.rcx.legos)
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| | use RCX with the lego set 4095
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I wonder if anyone has experience with this set. The description on the lego site is not clear enough for me to determine whether I can replace the body with the RCX... Thanks! ---...--- -------- Elizabeth (18 years ago, 24-Nov-05, to lugnet.robotics.rcx.legos)
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| | brickOS on Mac OS X
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Hello, I'm trying to get a recent brickOS (0.9.0) working on Mac OS X 10.4.3. I have an RCX 2.0 with the USB tower. I have a cross-compiler (gcc 3.2.2) that apparently works, and using the firmware download program included with lejOS (specially (...) (18 years ago, 22-Nov-05, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx)
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| | problems with lnp+brickos+cygwin
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Hi everybody: I have installed and BrickOS 0.9.0 and Cygwin, since my machine uses Windows XP Home Edition. I have downloaded lnpd 0.9.0, but I have problems when installing this package. I run ./configure and everything seems ok, but when I try the (...) (18 years ago, 21-Nov-05, to lugnet.robotics.rcx.legos)
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