 | | cputw
|
|
Maybe we'd better opt for unsigned char c=word&0xff; cputc_... cputc_... c=word>>8; cputc_... cputc_... instead - your patch doesn't work with my compiler version! This may generate better assembly code, too, as word is already in a register. (26 years ago, 30-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: legOS ...
|
|
Hi Mark, you might consider joining the legOS mailing list www.lugnet.com. We're currently working on network protocols for the IR device. POSIX compliance is very worthwile. I'm considering to make all devices files. Yes, even sensors. That way, we (...) (26 years ago, 30-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: motor speed
|
|
Hi Lou, that's great. Markus. (26 years ago, 30-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Uploading *.prg To RCX
|
|
Adamski wrote in message ... (...) I've been out of the (this) loop lately. I don't recall; were .prg the compiled versions or the text file versions? (You can use Mind Control to interprete and upload text files. ) Eric Brok Visit LEGO ON MY MIND: (...) (26 years ago, 30-Mar-99, to lugnet.robotics, lugnet.robotics.rcx.legos)
|
| |
| | Passing arguments to task
|
|
Is there an accepted method of passing arguments to a task which is spawned with execi? I have a method which I have instrumented, but it is awkward. -- No honest business is promoted by spam with the possible exception of Hormel. (26 years ago, 30-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Motor Speed Fix
|
|
(...) I've been busy. I have also added a patch for control of arbitrary motors. (26 years ago, 30-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Motor Speed Fix
|
|
Oops! The URL is (URL) have also added a patch to fix cputw(). (...) (26 years ago, 30-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Motor Speed Fix
|
|
I have a patch on my legOS page which fixes a problem with motor speed control in legOS-0.1.7. -- No honest business is promoted by spam with the possible exception of Hormel. (26 years ago, 30-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | I found out why I couldn't compile demo/first-c++
|
|
Make clean doesn't remove object files in lib/mint, lib/c++, or lib/c, and legOS is shipped with compiled objects in there. Markus' environment is somehow different from mine, and sensor.o was looking for a symbol (something to do with getting a (...) (26 years ago, 29-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Uploading *.prg To RCX
|
|
Is there a program that allows you to download the prg files created from the Lego CD-ROM to the RCX without loading the Lego CD program? Help Appreciated! Adamski _______ <adamski2000@adamski...rve.co.uk> (26 years ago, 28-Mar-99, to lugnet.robotics, lugnet.robotics.rcx.legos)
|
| |
| | legOS Network Protocol
|
|
Markus, I have been away for the last week or so. What have I missed in the discussion on LNP? I would like to get cracking on this. I have 2 or 3 guys over here who want to get into this too. -Jake Jacob S. Barrett jsbarrett@acm.org (26 years ago, 28-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: gcc build instructions for linux
|
|
(...) week ago. (26 years ago, 26-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | gcc build instructions for linux
|
|
Linux Tools for Hitachi H8/300 Microprocessor Development (URL) came across this site today. It has good instructions for building the gcc h3000 compiler on Linux. I thought people here might also be interested in the crt0.s 'C' startup source. I (...) (26 years ago, 26-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: names
|
|
(...) Will you resist the temptation 2nd time around it TLGs lawyers decide that the 'LegOS' name is a possible infringement? :) Richard(OS) (26 years ago, 25-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | names
|
|
Hello, some friends asked me today why I did resist the temptation of putting my name in the OS name. (It just never occurred to me.) However, there was somebody around who speaks Polish. He pointed out that Noga is Polish for leg. Totally caught me (...) (26 years ago, 25-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Compiler
|
|
Hi Lou, new binaries would be nice. I did create an archive, but I didn't feel like pumping those Megabytes over my modem yet. Mine is about 3.3MB, though - did your install script really strip all those executables? Markus. (26 years ago, 25-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: toolchain
|
|
On the subject of licences: I always forget the details, coz they bore me, but as a result of working on Apache, I do know a few things: 1. There is an LGPL that is less restrictive than GPL. 2. GPL licences are not compatible with all other (...) (26 years ago, 24-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: toolchain
|
|
(...) I am by no means an license expert, but I just happen to have been reading about the GPL, and the MPL is pretty similar, though there are, of course, differences. The doc that I read stated that you can apply the GPL only to the files that you (...) (26 years ago, 24-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Compiler
|
|
(...) That does appear to have been the problem after all. (...) I eventually managed to build egcs on a different computer and copy it over to mine. Markus -- if you want the binary (bzip2 cpio) of binutils and egcs, I could point you at it for (...) (26 years ago, 24-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: toolchain
|
|
(...) Read the MPL again. It's not clear to me that you need to MPL all your code if you include unmodified source from something that is covered by MPL. But if you include MPL'd source, you certainly have to make it clear what code is covered by (...) (26 years ago, 23-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: toolchain
|
|
(...) Yes, I believe GNU configure is covered by GPL. I already changed legOS licensing to MPL because Kekoa's math routines are MPL. I'm not sure if we may continue to use them if we change yet again. What's the status on menuconfig? Are those (...) (26 years ago, 23-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: toolchain
|
|
(...) What about a simplified gnu 'configure' ? Or would using that scheme mean incorperating the GNU license as well? :) Richard (26 years ago, 23-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Compiler
|
|
I have discovered that the instructions for building the compiler on the legOS site have changed. They now say to build egcs, whereas they used to say to build gcc. This could, conceivably, be why I cannot build good files with 0.1.7, since I'm (...) (26 years ago, 23-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: toolchain
|
|
Menuconfig would be a great thing. Xconfig would be even better, but I agree with Markus' concern about portability. The Linux kernel distributions get around the portability by simply providing all three config tools and letting you use the most (...) (26 years ago, 22-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: How do I convert light sensor data into image bmp?
|
|
(...) Sorry, but I don't understand. Adamski _______ <adamski2000@adamski...rve.co.uk> (26 years ago, 22-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: toolchain
|
|
(...) Exactly. Can you say "make config"? Ah, no, that won't do. "make menuconfig", maybe? We'd have to stay portable, though. That rules out "make xconfig" :-( (26 years ago, 22-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: toolchain
|
|
(...) That would be funky :) * Location of H8300 binutils * Location of perl (mergemap script) * Serial Port (RCXPORT) variable? * Compile Options? eg --disable-task-management ? That sort of thing? Richard (26 years ago, 22-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: toolchain
|
|
How about a ./configure script? It just needs to ask two questions... write the answers in .config or Makefile.common or whatever suits your fancy and you're done once and for all. (26 years ago, 22-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Reworked Scheduler
|
|
I have gotten my scheduler changes to work. There is a patch against 0.1.7 on my legOS page ((URL) will apply most of the way against 0.1.6, but there are some bits that you will have to apply by hand due to differences in comments. I wouldn't be (...) (26 years ago, 21-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | How do I convert light sensor data into image bmp?
|
|
Hi: I would like to build a lego scanner using a single light sensor. I have found a number of sites which explain how to build them, however, I could use some assistance with how to convert the data collected into an actual image map. I understand (...) (26 years ago, 20-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Idle process
|
|
(...) That is true. (...) Yes, we do, but is that something the tasks need to worry about? If the kernel has buffered 3 datagrams since the last timeslice, the next 3 waits would return immediately, since their criterion (datagram ready for reading) (...) (26 years ago, 20-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: legOS-0.1.7 released
|
|
I finally got my scheduler working on 0.1.6. Porting it to 0.1.7 wasn't too painful. But when I tested it (I have been testing with demo/tm-and-ir), I found that there is junk (not necessarily alphanumeric characters) displayed on the LCD. Thinking (...) (26 years ago, 20-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Debugging
|
|
(...) Try delay(). It's the non-scheduler version of msleep(). If you have a version that's better calibrated, please patch delay() in conio.c to reflect that. (...) A branch to itself is probably the best you can do, as you need an atomic (...) (26 years ago, 20-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: H8300 Stack and SLEEP
|
|
Sorry I'm late. I believe this is not an issue with legOS. legOS only calls the ROM powerdown function at the end of its kmain() loop, where the stack pointer should be in the on-chip RAM area anyway. When sleeping in the idle task, legOS directly (...) (26 years ago, 20-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Idle process
|
|
(...) Yes, it's a start byte. Jacob suggested using 0xFn to identify protocol versions, 0xFF being the LEGO standard. (...) Actually, you wouldn't have to change much, just treat P_SUSPENDED tasks like they're P_WAITING and the condition failed. (...) (26 years ago, 20-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Idle process
|
|
(...) Cool! (...) I had been thinking along the same lines. (...) What is the ID? Is it for framing? Is it a byte that is not currently taken up by a Lego bytecode? Do we even care about colliding with Lego's communication protocol? (...) (...) (26 years ago, 19-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | mailing list / 0.1.7
|
|
Hi Jacob, maybe you should join the legOS discussion group. lugnet.robotics.rcx.legos is available via NNTP, WWW and email from www.lugnet.com. Ah, by the way, 0.1.7 is out. Markus. (26 years ago, 19-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Idle process
|
|
Hi Lou, I'm discussing datagram networking with Jacob Barrett currently. They have some people working on it. The idea is to provide 1 byte of address space, using a per-host hostmask, just like TCP/IP uses per-net netmasks. A host with address 0x10 (...) (26 years ago, 19-Mar-99, to lugnet.robotics.rcx.legos)
|
| |
| | legOS-0.1.7 released
|
|
Hello, legOS is an embedded OS for the LEGO Mindstorms RCX. It can be programmed in C, assembler, and some language elements of C++. Preemptive multitasking, access to all 32k RAM and low-level hardware control are some of its most prominent (...) (26 years ago, 19-Mar-99, to lugnet.robotics, lugnet.robotics.rcx.legos)
|
| |
| | Re: Debugging
|
|
(...) It's what I'm doing for now in my debugger work. I haven't tried it out yet, though. (...) I carefully looked at the opcodes, and found that the shortest opcodes are all 2 bytes, and hand-coded the 2 byte instruction that jumps to itself. The (...) (26 years ago, 17-Mar-99, to lugnet.robotics.rcx.legos)
|
