 | | 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 (...) (19 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 (...) (19 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 (...) (19 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 (...) (19 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 (...) (19 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. (...) (19 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! (19 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 (19 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 (...) (19 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 (...) (19 years ago, 21-Nov-05, to lugnet.robotics.rcx.legos)
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| | dllx problems, with lnpd 0.9.0
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Hi, I'm having problems getting dllx to work. I expanded the lnpd 0.9.0 zip file from sourceforge. I did ./configure and make with no problems or error messages. Now, I run lnpd with "lnpd --nolock". Then I do "dllx test.lx" and the green light on (...) (19 years ago, 13-Nov-05, to lugnet.robotics.rcx.legos)
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| | Re: pre-releases brickos-0.9.0/lnpd-0.9.0 avail. for testing/feedback
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Hi, I'm having problems getting dllx to work. I expanded the lnpd 0.9.0 zip file from sourceforge. I did ./configure and make with no problems or error messages. Now, I run lnpd with "lnpd --nolock". Then I do "dllx test.lx" and the green light on (...) (19 years ago, 13-Nov-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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|
(...) I tried with both 0.2.6 and 0.9.0 (...) I am sorry for imprecise expressions. I meant that I followed your suggestions. But the result was the same as before. (...) I didn't try yet. (...) I am able to use brickos under command prompt as well (...) (19 years ago, 31-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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(...) 1. What version of brickos do you have installed? (cat VERSION from the brickos root directory and post the output) 2. What do you mean by "Of course I did in vain."? Be as precise as possible in your answer. With a correctly installed copy of (...) (19 years ago, 19-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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(...) As I said before, I am able to use brickOS under cygwin. Does this mean that I have files required by brickOS? I guess you don't mean that I have to run the two commands: make realclean make (Of course I did in vain.) Je-Young Choi (19 years ago, 19-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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(...) I have dug around a bit on my computer and I managed to duplicate your problem. If I do a make realclean from the brickOS root directory: C:\cygwin\brickos>make realclean [lots of output delete] then when I run make -f helloworld.mak I get the (...) (19 years ago, 18-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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|
Thank you very much for your enduring kindness. (...) The content of helloWorld.mak is the same as that you wrote before. When I run make -f helloWorld.mak, I get nothing. When I run make -f helloWorld.mak after deleting helloworld.lx, I get make: (...) (19 years ago, 18-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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(...) Given that your OS Root setting was wrong before and now it is right then modifying that setting did help. It just didn't completely fix your problem. The OS Root setting in BricxCC needs to be set to the Cygwin path to the root of the brickOS (...) (19 years ago, 17-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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I am able to use (compile and download) brickOS under cygwin but not under BricxCC. (...) I am sorry to say that the modification in the "OS root" setting didn't help. In fact I installed BricxCC in 2 of my computers. Both show the same error (...) (19 years ago, 16-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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|
Here are the contents of my helloworld.mak file: ROOT=/brickos KERNEL=$(ROOT)/boot/brickOS PROGRAMS=helloworld.lx DOBJECTS= all:: $(DOBJECTS) $(PROGRAMS) download:: all $(ROOT)/util/dll --program=1 --tty=usb --rcxaddr=0 $(PROGRAMS) set_addr:: (...) (19 years ago, 11-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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(...) I am not experienced in running brickOS under Windows, but are you sure you can mix the "/" and "\" in the path names? "\" is Windows style, "/" is UNIX style. (That is why I do all my brickOSing with Linux) (...) Why? I mean, why (...) (19 years ago, 6-Oct-05, to lugnet.robotics.rcx.legos)
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| | Re: error in using brickOS under Bricx Command Center
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(...) Thank you for your informations. After closing the error message window, I clicked F12 key. The resulting Code Listing Window contained nothing. The content of the file helloworld.mak is ROOT=C:\cygwin\brickos KERNEL=$(ROOT)/boot/brickOS (...) (19 years ago, 6-Oct-05, to lugnet.robotics.rcx.legos)
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| |
| | Re: roboarm activities
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(...) I found that either rotating a colour wheel in front of the sensor(with its distance LED off) in combination with a white light -or- using a coloured LED at a _very_ close distance works well; i.e. most materials give a marked response as long (...) (19 years ago, 3-Oct-05, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.robolab)
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| | Latest version os
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Hi, Can someone post a latest compiled version of the brickos 0.9.0 (BrickOS.srec) I have some trouble to compile this version Thanks, Jan Kromhout Hellevoetsluis-NL (19 years ago, 3-Oct-05, to lugnet.robotics.rcx.legos)
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| | roboarm activities
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Hi, questions to all the guru out there. I have spent 20 hours on this roboarm. I am hoping to make it work like a color sorter. - pick up a ball wrapped in tin foil and drop it off at a container wrapped up in tin foil as well. - pick up a ball (...) (19 years ago, 2-Oct-05, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.robolab)
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| | Re: error in using brickOS under Bricx Command Center
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(...) Can you do F12 and post the contents (if any)? Do you have bash installed? While the error message is displayed you can open a command prompt and change directory to the location of your source code file. There you should find a .cmd and a (...) (19 years ago, 29-Sep-05, to lugnet.robotics.rcx.legos)
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| | Re: Can't upload new program after I have used LNP under brickos
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(...) Well, thanks for the help, that didn't actually work. But I found it out, what was my fault. In my Program I changed the LNP Base adress of the robot. After that the robot did not react to the default adress 0. So, at the end of the program I (...) (19 years ago, 29-Sep-05, to lugnet.robotics.rcx.legos)
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| | Re: Can't upload new program after I have used LNP under brickos
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(...) You had to turn on the lnp, with something like this: (I forget the exact commands) lr_startup(); lr_init(); lnp_init(); Make sure you turn it off: lr_shutdown(); Steve (19 years ago, 26-Sep-05, to lugnet.robotics.rcx.legos)
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| | Can't upload new program after I have used LNP under brickos
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Hello, |I have the following problem: |when I use lnp under brickos, the rcx does no longer respond to the legotower. |This means that I can't delete the program nor overwrite it. | |Pershaps somebody can help. | |Thanks, | |Andy (19 years ago, 26-Sep-05, to lugnet.robotics.rcx.legos)
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| | error in using brickOS under Bricx Command Center
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|
Dear all, I am new to Lego Mindstorms programming. Recently I installed Bricx Command Center in Windows XP Home following the instructions in (URL) I am able to use NQC and leJOS but not brickOS under Bricx Command Center. (Downloading the brickOS (...) (19 years ago, 17-Sep-05, to lugnet.robotics.rcx.legos)
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| | time control : BrickOS versus the RCX standard OS ?
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Hi list, I'm trying to implement a position regulation (using a motor and a rotation sensor), using for instance a PID (Proportional-Integr...erivative) regulation. I tried to code it in NQC, using the standard OS, but it seems that the RCX standard (...) (19 years ago, 17-Sep-05, to lugnet.robotics.rcx.legos)
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| | Re: RCX to RCX LNP
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(...) So, I finally sat down and figured out how the lnp state machine works in BrickOS. Turns out it was pretty easy to add in a new set of states so it can process a standard OpCode & store the parameters in variables. At this point, I'm not (...) (19 years ago, 8-Sep-05, to lugnet.robotics.rcx.legos)
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| | Re: dll 'error deleting program' with briskOS-0.9.0
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|
(...) I am also encountering this same problem: - I am working with a Linux 2.6 (Fedora Core 3). - The system was downloaded successfully to the RCX 1.0 brick with firmdl3. - But I COULD NOT load ANY program with the dll utility! Each time I got an (...) (19 years ago, 25-Aug-05, to lugnet.robotics.rcx.legos)
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| | Re: RCX to RCX LNP
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Hi. (...) That would be a fun state machine to set up... ;-) (...) It only does so when it receives opcodes between 0xf0 - 0xf7 or a standard firmware message (0x55). Of the first eight, only 0xf0 and 0xf1 currently require further action, with 0xf0 (...) (19 years ago, 17-Aug-05, to lugnet.robotics.rcx.legos)
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| | Re: RCX to RCX LNP
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(...) AFAIK there is no way to receive Lego-Messages, except by editing lnp.c and adding that by hand. The only Lego-Messages that brickos knows of, are those from the remote control and the "send message" opcode (0xf7). It may be worthwhile to add (...) (19 years ago, 12-Aug-05, to lugnet.robotics.rcx.legos)
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| | RCX to RCX LNP
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|
I'm trying to write a BrickOS program that I can use to check the voltage on other RCXs (which use standard firmware). I want to send the Get Battery Power command (0x30 and 0x38), and display the returned value on the display. Can anyone tell me if (...) (19 years ago, 10-Aug-05, to lugnet.robotics.rcx.legos)
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| | Re: Errors compiling threads
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|
(...) Hi Steve, Thanks, you were right about the compiler being ok. I changed "pid_t" to "tid_t" and got the thread statements working correctly. Finally, by consulting BrickOS documentation I found out the new syntax for the old "sys_time" command (...) (19 years ago, 4-Aug-05, to lugnet.robotics.rcx.legos)
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| | Re: Errors compiling threads
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(...) I don't think it's a problem with the compiler. There have been changes to the BrickOS code over the years. I know the value sys_time has been replaced with the function Get_sys_up_time(). You should be able to add this line at the beginning (...) (19 years ago, 4-Aug-05, to lugnet.robotics.rcx.legos)
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| |
| | Errors compiling threads
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|
Hi all, I am new to C programming but I was able to build the C programming/compiler enviroment with cygwin and brickos 2.6.10 following the instructions at (URL) Later I upgraded to brickOS 0.9.0 and the compiler seems to be working fine most of (...) (19 years ago, 4-Aug-05, to lugnet.robotics.rcx.legos)
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| |
| | Re: Control RoboSapein with IR-tower
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|
A friend sent me this link - here's how to replace RoboSapien's head with a PDA so he can be programmed to do all manner of things... Thomas (URL) (19 years ago, 8-Jul-05, to lugnet.robotics.rcx.legos)
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| | Re: Control RoboSapein with IR-tower
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(...) Doesn't Robolab have some way of starting external applications? You could possibly setup a PC with IR-tower, which would receive a message from RCX ((URL) - are the Robolab messages compatible with Mindstorms RIS? - I cannot find it (...) (19 years ago, 6-Jul-05, to lugnet.robotics.rcx.legos)
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| | RE: Control RoboSapein with IR-tower
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|
That will be way too cool if this can be done from Robolab..!!! ---...--- -------- Best Regards, Elizabeth Mabrey Partner of Director LEGO MINDSTORMS 3322 Rt. 22 West, Bldg 4, Ste 402 Robotics Community Branchburg, NJ 08876 Ph: (908) 595-1010 ; M-F: (...) (19 years ago, 6-Jul-05, to lugnet.robotics.rcx.legos)
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| | Control RoboSapein with IR-tower
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|
Hi, if you have a LEGO serial port IR-tower and and you also got a RoboSapien, you can now easily control it from the PC. (URL) to Linux and USB tower coming later...) Feedback is appreciated. Enjoy, Pavel. (19 years ago, 6-Jul-05, to lugnet.robotics.rcx.legos)
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| | Re: dll 'error deleting program' with briskOS-0.9.0
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|
(...) [snip] (...) [snip] (...) Igor, I just got mine up and running this weekend under Debian (thanks to apt-get / Synaptic). Since you have already successfully loaded firmdl3 this may not be relevant but I had to setup a legotower0 device. sudo (...) (19 years ago, 21-Jun-05, to lugnet.robotics.rcx.legos)
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| |
| | Re: position calculating for robots
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|
(...) You don't need advanced math for navigating, but sin and cos for calculating coordinates in an X/Y coordinate system. This you need independently from your steering system. Brickos has no math lib, but there where some posts on this list some (...) (19 years ago, 20-Jun-05, to lugnet.robotics.rcx.legos)
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| | dll 'error deleting program' with briskOS-0.9.0
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|
Hello, according to informations that brickOS is the most powerfull of all Mindstroms OS's, I have tried to start it. I work with a Linux 2.6 (Fedora Core 3). I have compiled it with rcx-egcs cross compiler C and C++ cross compilers (version 1.1.2) (...) (19 years ago, 19-Jun-05, to lugnet.robotics.rcx.legos)
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| | Re: navigation and communication
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|
(...) We have worked with a big chart with black crosses on a white wooden surface. This works pretty well, since with the reflection of the light of the LED, black and white can be easily recognised. Then the ambient light has not a big influence. (...) (19 years ago, 8-Jun-05, to lugnet.robotics.rcx.legos)
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| | Re: position calculating for robots
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(...) There are various geometries have been implemented in Lego bricks for this. Here is one example: (URL) searching Google for "Lego adder subtractor" for others. (19 years ago, 2-Jun-05, to lugnet.robotics.rcx.legos)
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| | Re: position calculating for robots
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(...) From something I read 12 years ago for my university project (a Lego robot of course, but pre-RCX), I think it required differential equations (ugh!). Probably a bit too memory-hungry for an RCX. Perhaps you could use the PC's computing power (...) (19 years ago, 26-May-05, to lugnet.robotics.rcx.legos)
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| | position calculating for robots
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Thanks Thomas for your idea. The matter is that I was thinking of using angle sensors in order to calculate the number of the turns that each wheel has driven (I am talking for a robot with 2 wheels). I think that some advanced maths are required (...) (19 years ago, 26-May-05, to lugnet.robotics.rcx.legos)
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| | Re: navigation and communication
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(...) In theory you can find position by having a 'giant pantone chart' on the floor - a sheet of paper like the test pad with coloured squares on it, and use the light sensor to detect which square the robot is on. Has anyone tried this? It will be (...) (19 years ago, 25-May-05, to lugnet.robotics.rcx.legos)
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| | navigation and communication
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Thank you Nathan. I think your link is really gonna help! Now do you know of any way making the robot calculating its position constatly? You see i want to make the robot send its position to another one so it can go there. Thank you again for your (...) (19 years ago, 24-May-05, to lugnet.robotics.rcx.legos)
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| | Re: RCX communications at brickos
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(...) Hi John when I started programming IR communication under brickOS the following site helped me to get off the ground: (URL) that helps. Best regards nathan (19 years ago, 24-May-05, to lugnet.robotics.rcx.legos)
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| | RCX communications at brickos
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|
Hello everybody. I am working at my postgraduate project at lego mindstorms and I am looking for information on programming the RCXs to communication with each other. I'd be grateful if you'd supply me with some links about this subject. Also (...) (19 years ago, 17-May-05, to lugnet.robotics.rcx.legos)
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| | downloading BrickOS firmware for first time
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|
Hi all, I have built brickos 0.9.0 on Linux platform kernel 2.4.29. Brickos was successfully built with only C (no c++) support. My Lego is RCX2.0 and I am trying to download for first time the standard firmware. For connection with the RCX I am (...) (19 years ago, 17-May-05, to lugnet.robotics.rcx.legos)
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| |
| | Re: New Development
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|
(...) Sort of. Updated Linux, updated gcc h8 toolchain, switched from desktop to laptop system, therefore switched to USB tower... In the moment, I to get all up and running. Next step will be to benchmark the performance patches and then... we'll (...) (19 years ago, 10-May-05, to lugnet.robotics.rcx.legos)
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| |
| | New Development
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|
Is anyone currently working on development of the BrickOS software? (19 years ago, 9-May-05, to lugnet.robotics.rcx.legos)
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| | Re: brickOS & Cygwin with BricxCC
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|
(...) I believe if you add set PATH=c:\cygwin\bin;%PATH% to your autoexec.bat file then you will be good to go. John Hansen (19 years ago, 4-May-05, to lugnet.robotics.rcx.legos)
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| | Re: brickOS & Cygwin with BricxCC
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Hello, I’m trying to get brickOS and bricxcc working on an old laptop that’s running win 98. I installed using the easy bricxcc tools When I try to compile I get this error: Unable to create process: Bash “ C:\cygwin\brickos\de...oworld.cmd Make (...) (19 years ago, 3-May-05, to lugnet.robotics.rcx.legos)
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| | Path Problems
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|
Hi. I'm running Brickos on Win98 and I'm having path problems. BrickOS works, but I'd like to use the BricxCC IDE. I need to set the path, though. I have already set the path in the past, and it was no prblem at all, but I've recently had my PC (...) (19 years ago, 29-Apr-05, to lugnet.robotics.rcx.legos)
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| | Re: Can't build brickOS on Linux
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|
(...) Look if there is a configure switch to disable building the standard C++ libraries (you don't need them for brickos). IIRC building g++ only gave an error after it built and installed the g++ compiler, but that was with gcc-3.4. (...) I think (...) (19 years ago, 28-Apr-05, to lugnet.robotics.rcx.legos)
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| | Re: Can't build brickOS on Linux
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|
(...) <skip problems with gcc 3.3> (...) It seems to fix the problem, but it needs the g++ compiler, which I cannot build for the h8300-hms platform: checking for extra compiler flags for building... configure: WARNING: No native atomic operations (...) (19 years ago, 28-Apr-05, to lugnet.robotics.rcx.legos)
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| | Re: Can't build brickOS on Linux
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(...) Try my patch brickos-gcc33.diff from (URL) should fix this problem. Best Regards, Jochen (19 years ago, 28-Apr-05, to lugnet.robotics.rcx.legos)
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| | Can't build brickOS on Linux
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|
Hi all, I just installed binutils and gcc, targeted at the h8300-hms platform. Worked fine, however, when I try to build brickOS (0.9.0), it bails with this error: make[2]: Entering directory `/home/bart/download...lib/float' (...) (19 years ago, 27-Apr-05, to lugnet.robotics.rcx.legos)
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| | Re: No hitachi gcc compiler found
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(...) Hi John Hansen Thank you for your help. I've used NQC with bricxCC progarm for few monthes. I learned programing with BrickCC. Now I love lego robotic and programing RCX. I did'nt know BricxCC has this option. Perhapes I have been busy with (...) (19 years ago, 14-Apr-05, to lugnet.robotics.rcx.legos)
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| | Re: No hitachi gcc compiler found
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(...) I recommend using the pre-built installers that I have on the BricxCC website. They make installing cygwin and the cross compilers trivially easy. You can install a slightly old version of brickOS and leJOS with these installers as well. Then (...) (19 years ago, 13-Apr-05, to lugnet.robotics.rcx.legos)
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| | No hitachi gcc compiler found
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Hi Everybody I'm try to install brickOS first time. After several try with downloading files from different site, I finally installed brickOS(I think). Then, When I type "./configure; make", I'm getting message below. Welcome to the brickOS Makefile (...) (19 years ago, 13-Apr-05, to lugnet.robotics.rcx.legos)
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| | Re: Can't "make" BrickOS
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(...) Hi Phua Yin Jun I normally work with the Cygwin from (URL) Download the file (URL) run it on a Windows box and this installs a minimal Cygwin. Should work under Win98, works under Win2k and XP. Additionally you can install also (URL) which is (...) (19 years ago, 5-Apr-05, to lugnet.robotics.rcx.legos)
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| | Suspected LNP integrity message overflow
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Hello Has anybody encountered problems using the LNP integrity API, when many frames/s are received? We are working with a image recognition system on a Linux machine that computes the position of robots and sends an integrity packet of 18bytes (...) (19 years ago, 5-Apr-05, to lugnet.robotics.rcx.legos)
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| | Simulink Target Questions; Your thoughts?
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Dear BrickOS Users I am in the (very slow) process of writing a new Embedded Target for Matlab Simulink : which will compile the MDL files for use on RCX using BrickOS. The old version written by Mathworks was called ECROBOT and only released for (...) (19 years ago, 30-Mar-05, to lugnet.robotics.rcx.legos)
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| | linker error
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I use brickos-0.2.6.10.6 with a gcc 3.4.2 crosscompiler and binutils 2.15. When I try to make an executable I get the linker error: "cannot handle R_MEM_INDIRECT reloc when using symbolsrec output" I use a patched Makefile.user for making: ## ## (...) (19 years ago, 20-Mar-05, to lugnet.robotics.rcx.legos)
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| | Re: How to build a shared library
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Hello Anne, (...) You can't. Shared libraries are not supported by brickOS. Shared memory or shared libraries are not a feature of a compiler but a feature of the underlying OS. But you can do it the hard way: - put all shared routines in program 1. (...) (19 years ago, 16-Mar-05, to lugnet.robotics.rcx.legos)
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| | How to build a shared library
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Hello! How can I dynamically link my c++ classes or rather build a shared library with the brickos Makefiles? Anne. (19 years ago, 16-Mar-05, to lugnet.robotics.rcx.legos)
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| | Re: firmdl3 usb error linux
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(...) I am not running Debian linux, but I got it work under Suse linux with a 2.4.6 kernel. There was almost the same problem. I can't find in your kernel message, where the usb tower has been attached. You should check this first, before you are (...) (19 years ago, 5-Mar-05, to lugnet.robotics.rcx.legos)
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| | Re: Problem with makefile
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(...) You can copy the Makefile from the installed location $prefix/share/doc/br...+/Makefile In that case you don't need to change the paths. (...) Is there a "Test.cpp/Test.C" in that directory? Multiple object files do not work exactly as one (...) (19 years ago, 25-Feb-05, to lugnet.robotics.rcx.legos)
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| | Problem with makefile
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Hello! I have a problem with making a program, which consists of some sourcefiles. I copied the Makefile out of the demo/c++ folder into my project directory and changed the paths, so that the included Makefiles and the brickOS directory can be (...) (19 years ago, 24-Feb-05, to lugnet.robotics.rcx.legos)
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| | Problems to build the Hitachi-H8 cross-compiler
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I tried to build the Hitachi-H8 cross-compiler to be used for brickos-0.2.6.10.6 . Trying to build based on binutils-2.10.1. I'm trying to install this on Win-XP. First I installed cygwin when I afterwards faced problems to execute commands. Solved (...) (19 years ago, 23-Feb-05, to lugnet.robotics.rcx.legos)
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| | unable to load brickos executable from /dev/usb/lego0
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Hello! I have compiled succesfully brickos-0.2.6.10.6 under linux. After I installed it I loaded brickos.srec and helloworld.lx into the RCX. This time I tried to load an lx file I got the following error: "error deleting program" and after trying (...) (19 years ago, 22-Feb-05, to lugnet.robotics.rcx.legos)
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| | BrickOS 0.9.0 -- Debian "sarge" works...
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Well, wouldn't you know, on the very next dist-upgrade after I posted that brickOS 0.9.0 was still in "unstable" on Debian, it materialized in "testing". My laziness was undone! Anyways, I compiled the examples in the Debian-packaged demo (...) (19 years ago, 6-Feb-05, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS 0.9.0 success
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(...) Well, I'm pleased to report that the 2.6.10 (newest current) kernel, with included legousbtower driver, worked well with the tarball of brickOS 0.9.0. I haven't tried the Debian package yet. I noticed that on the Debian package page, the (...) (19 years ago, 3-Feb-05, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS 0.9.0 success
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Andrew, How fun to hear of your 2.4 success with brickos-0.9.0 It is good to hear that this was possible. With respect to your next efforts I have news... (...) Both brickos-0.9.0 and lnpd-0.9.0 are now debian packages. If these are useful in your (...) (19 years ago, 29-Jan-05, to lugnet.robotics.rcx.legos)
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| | BrickOS 0.9.0 success
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Hello all -- I have a Linux system with a USB Lego IR tower, and have been intermittently poking around on the web (once every few weeks) in hopes of getting a brickOS system to work on it, with varying levels of enthusiasm. I've gotten it to go (...) (19 years ago, 28-Jan-05, to lugnet.robotics.rcx.legos)
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| | Re: Simulink Compilation
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Dear Marc, It would be very interesting to have Simulink + Realtime Workshop controlling the RCX. By the way, how much speed do you expect can be achieved considering the communication speed between PC and RCX ? Liem. (...) (19 years ago, 22-Jan-05, to lugnet.robotics.rcx.legos)
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| | Re: pre-releases brickos-0.9.0/lnpd-0.9.0 avail. for testing/feedback
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Steve, (...) The 0.9.0 version does not, however, this is being worked as I write this. Expect a 0.9.x point release to allow us all the chance to test the new code before we release as v1.0.0 Regards, Stephen -- (19 years ago, 22-Jan-05, to lugnet.robotics.rcx.legos)
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| | Re: pre-releases brickos-0.9.0/lnpd-0.9.0 avail. for testing/feedback
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A number of you have noticed that the files have been unavailable from the sourceforge mirrors. I was just able to download both of the files: brickos and lnpd. If you've been waiting, you should be able to get them now. (...) (19 years ago, 19-Jan-05, to lugnet.robotics.rcx.legos)
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| | Re: pre-releases brickos-0.9.0/lnpd-0.9.0 avail. for testing/feedback
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(...) Yeah. Sounds good. Will this address the issue of the sensor port reads taking up 60% of processor time? If you don't know what I'm talking about, I can go through old LUGNET posts and find it. Steve (19 years ago, 18-Jan-05, to lugnet.robotics.rcx.legos)
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| | pre-releases brickos-0.9.0/lnpd-0.9.0 avail. for testing/feedback
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It's a new year and now you have a new version of brickOS. Yes, you read that right... a new version and a first version of lnpd for Linux that works with this new version of BrickOS. Along with this lnpd support, this BrickOS now supports USB IR (...) (19 years ago, 18-Jan-05, to lugnet.robotics.rcx.legos)
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| | Simulink Compilation
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Dear BrickOS users We would like to start using Simulink + Realtime Workshop (Mathsoft)to compile and download code to the RCX. I have successfully completed the installtion procedure for BrickOS - but noticed that the setup code provided by (...) (19 years ago, 17-Jan-05, to lugnet.robotics.rcx.legos)
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| | Re: LNPd keeps sending TX_FAILURE
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(...) Here is my ls -l: tyler@gyro life $ ls -l /dev/ttyS0 lr-xr-xr-x 1 root root 5 Jan 9 05:01 /dev/ttyS0 -> tts/0 tyler@gyro life $ ls -l /dev/tts/0 crw-rw---- 1 tyler tty 4, 64 Jan 9 11:17 /dev/tts/0 I've tried running as root and as tyler, (...) (19 years ago, 9-Jan-05, to lugnet.robotics.rcx.legos)
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| | Re: LNPd keeps sending TX_FAILURE
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(...) hmmm, bad. I never did much wich lnp, but it worked on my machine. (...) I hope so :) Reading the problem description in your first posting gives me a knot in my brain. Next possible problem is a problem with the rights for your /dev/ttySx. If (...) (19 years ago, 8-Jan-05, to lugnet.robotics.rcx.legos)
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| | Re: LNPd keeps sending TX_FAILURE
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(...) I tried the PARENB | PARODD fix. All it did was prevent the PC from receiving anything from the RCX, and it still didn't send anything. Is there anything I missed? (19 years ago, 7-Jan-05, to lugnet.robotics.rcx.legos)
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| | Re: LNPd keeps sending TX_FAILURE
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(...) Keep in mind that lnpd out of the box does _not_ work with brickOS out of the box! This item was discussed in this forum several times, you should search for lnpd in older postings. The next version of brickOS will be accompanied by an updated (...) (19 years ago, 7-Jan-05, to lugnet.robotics.rcx.legos)
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| | Re: LNPd keeps sending TX_FAILURE
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I don't use LNPd or BrickOS so I don't know if this will work. It makes all sorts of problems go away when using the RCX ROM message handling routines, I don't know how much of the ROM routines are used by LNPd or whether, if it doesn't, it has (...) (19 years ago, 7-Jan-05, to lugnet.robotics.rcx.legos)
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| | LNPd keeps sending TX_FAILURE
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I'm running LNPd on Gentoo Linux 2.6.7. Everything seems to work fine except transmitting messages to the RCX. The lnptest application that comes with LNPd keeps reporting a Collision every time it tries to transmit something. It does however (...) (19 years ago, 7-Jan-05, to lugnet.robotics.rcx.legos, FTX)
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| | crosscompiler does not compile arrays of objects
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Hello! I made a cross-compiler with the sources of gcc-3.4.2 and tried to compile this: Behavior a(); Behavior b() Behavior behaviors[] = {a,b}; ... Make fails with the error message: conversion from Behavior()() to non-scalar type Behavior (...) (19 years ago, 30-Dec-04, to lugnet.robotics.rcx.legos)
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