 | | Re: Modifying the BrickOS source code
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Here is a visual representation: [ KERNEL ]mm_start[ HEAP ] The heap will contain ALL of the following: User Programs, User Allocated memory, Kernel allocated memory (not including static/global variables and constants). The only thing that is prior (...) (21 years ago, 15-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Modifying the BrickOS source code
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(...) Thanks for the description Joe, but in the above paragraph you seem to contradict yourself, you say that mm_start is the end of kernel mode, but alos that user programs are located above mm_start I do not understand that part, did you mean (...) (21 years ago, 15-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Modifying the BrickOS source code
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Mike, IIRC, mm_start is the beginning of the heap. When the system or a user program requests memory (new in C++ or malloc/calloc in C) the memory is taken from this block (from mm_start to the end of memory) What might be confusing is how the (...) (21 years ago, 15-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Modifying the BrickOS source code
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Thanks to all with the help, I finally got my new News setup info (my original login wasnt working so I had to re-sign up but it took about 2 weeks to hear from lugnet, so Charlie posted some stuff for me). I am looking at mm.c for my project and I (...) (21 years ago, 15-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS motor-output: Subject to change?
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Do you use another firmware downloader besides firmdl3? Recent changes to BrickOS changed the memory layout a bit and this could be an issue. For example, I just discovered that the nqc firmware downloader doesn't like firmware files with (...) (21 years ago, 15-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: BrickOS motor-output: Subject to change?
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Hi, I remember. I have tried brickOS 0.2.6.10 but I had problems with downloading the firmware. I was unable to get the new kernel into the RCX. I do not have this problem with 0.2.6.9. Thanks, Dietmar (...) [...] (...) [...] (21 years ago, 14-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Help with lnp
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(...) (URL) the latest 0.2.6.10 version. Regards, Michael (21 years ago, 9-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Help with lnp
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I guess I should have been more specific initially. Our question, more precisely, is which version of brickOS can we use on regular redhat linux? We will use your directions as well, but what we were really stuck on was which of the brickOS versions (...) (21 years ago, 9-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Help with lnp
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Hello Katie, (...) A good decision. (...) To install software on (RedHat) Linux, you will use a program called rpm. Rpm is a packet manager; it can install new programs, you can ask rpm if a package is installed, you can update an existing package (...) (21 years ago, 8-Jul-03, to lugnet.robotics.rcx.legos)
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| | Re: Help with lnp
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(...) So if you don't want to take the time to configure linux, then you can perhaps try to download legnoppix. Legnoppix is a linux distribution bootable on CD you don't need any installation and it include all lego tools available in linux (not (...) (21 years ago, 8-Jul-03, to lugnet.robotics.rcx.legos)
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