 | | 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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