RCX programmable brick : Search Results: usb to ris 1.x rcx ir how

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		Re: Blocking The Lego Remote?
Hi Stephen, you will not have success with this approach, because the LEGO firmware has no collision detection (especially no collision avoidance !) for their IR protocol. So if you're using more than 2 IR devices with LEGO firmware you will receive (...) (25 years ago, 27-Apr-01, to lugnet.robotics.rcx.nqc)

rcx, ir
(score: 0.719)

		Next test version avail. 0.2.6.05 - have time?
We are looking for help testing our next very-early integration. We have revised the LNP support and have reworked the support for the LEGO Infrared Remote Control to create this 2nd test version. This version mimicks the stock firmware behavior. (...) (24 years ago, 6-May-02, to lugnet.robotics.rcx.legos)

ir, how
(score: 0.718)

		pbForth and USB Tower
Just a quick note to ask how many people are waiting on USB support for the pbForth language. I got a USB tower a couple of weeks ago and just got it working with my uploader/console last night. It uses ODD parity, so the next pbForth release will (...) (25 years ago, 27-Mar-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)

usb, how
(score: 0.718)

		Question for John Barnes
hi John, Some time ago there was a discussion about keeping the IR-tower alive. I want to keep the IR-tower alive, for fast data transport from RCX to PC. You mentioned that you had drawn the circuit diagram, but you never published it. Do you have (...) (25 years ago, 22-Apr-01, to lugnet.robotics.rcx)

rcx, ir
(score: 0.718)

		Re: problem with the RCX
(...) Is the RCX still working? Does it "get hot" when it's running an unloaded motor? I would have thought that the 500 mA limit within the RCX case would prevent this, but perhaps it's marginal for some plastic piece "nearby". If the RCX is dead, (...) (19 years ago, 12-Jul-07, to lugnet.robotics.rcx)

rcx
(score: 0.717)

		Lego IR Remote - What is max send rate?
I'm working on the motor key handler for legOS support of the IR remote. I'm looking at service rates of keypresses at the remote. In studying how The Mindstorms OS responds to the remote I noticed that holding the key down (for motor keys) kept the (...) (24 years ago, 27-Apr-02, to lugnet.robotics.rcx.legos)

ir, how
(score: 0.717)

		Want to help? Use LNP or LEGO IR Remote Control?
We are looking for help testing a very-early integration! We have added all existing LNP patches and we have added (NEW) support for the LEGO Infrared Remote Control to the released 0.2.6 to create this new test version. If you are an avid LNP user (...) (24 years ago, 28-Apr-02, to lugnet.robotics.rcx.legos)

ir, how
(score: 0.716)

		RIS 1.5 Arrived! Dooh!!!
My RIS 1.5 finally arrived today from Amazon.com! Yay! Unpacked it. Wow, lots of wheels. Ah, that's the RCX I've read about. Let's try 'er out. Put batteries in it. hmmmm..... doesn't turn on.... must be the stupid battery charger... Put in fresh (...) (26 years ago, 3-Apr-01, to lugnet.robotics.rcx)

ris, rcx
(score: 0.715)

		Re: anyone know how to check free space on RCX?
(...) Thanks for conducting the test... being 200+ miles away from my RCX this was bugging me :). My sources (gcc-2.95.2) have the same #define... but with the following about 120 lines earlier: /* Make int's 32 bits. */ #define TARGET_INT32 (...) (24 years ago, 12-Jul-02, to lugnet.robotics.rcx.legos)

rcx, how
(score: 0.715)

		Re: anyone know how to check free space on RCX?
(...) According to config/h8300/h8300.h in the gcc sources, int is 32bit for the h8 cross compiler. I believe the reason mm_free_mem() returns an int is because the memory manager stores the size of each free block as size_t, which is defined in (...) (24 years ago, 12-Jul-02, to lugnet.robotics.rcx.legos)

rcx, how
(score: 0.714)

		Re: anyone know how to check free space on RCX?
While the declaration for mm_free_mem is int mm_free_mem(void) The fact is that the RCX has only 32K of memory available. 32K in hex is 0x8000... there's never a need for more than 4 digits in hex. Looking at key_handler() in kernel/program.c (the (...) (24 years ago, 11-Jul-02, to lugnet.robotics.rcx.legos)

rcx, how
(score: 0.714)

		Re: anyone know how to check free space on RCX?
(...) This can't be right. I'm about 99% sure that all of the ints I've used with my legOS programs have been 2 bytes. When using LNP to send RCX ints to a PC, for example, you have to use short on the PC end of things to make it all work right. (...) (24 years ago, 12-Jul-02, to lugnet.robotics.rcx.legos)

rcx, how
(score: 0.714)

		Re: anyone know how to check free space on RCX?
(...) The header is ok, but int is 2 bytes = 16 bit. You can check this with this highly optimized program: #include <conio.h> int main(int argc, char *argv[]) { lcd_int( sizeof( int ) ); for(;;) ; return 0; } And in the kernel sources, mm.c says (...) (24 years ago, 12-Jul-02, to lugnet.robotics.rcx.legos)

rcx, how
(score: 0.714)

		Re: anyone know how to check free space on RCX?
John A. Tamplin, Jason Clark, Jochen Hoenicke and Michael J Ash: Thank you all for addressing these issues! It all make sense after reading the preceeding messages. I appologize for causing confusion. I am glad, however, to get it straight. ??So (...) (24 years ago, 12-Jul-02, to lugnet.robotics.rcx.legos)

rcx, how
(score: 0.714)

		Re: problem with the RCX
"Brian Davis" <brdavis@iusb.edu> wrote in message news:JL1oK5.K84@lugnet.com... (...) This might help! (URL) (...) (19 years ago, 12-Jul-07, to lugnet.robotics.rcx)

rcx
(score: 0.714)

		anyone know how to check free space on RCX?
hi all...after a while my RCX hangs and i think i might have a memory leak somewhere. anyone have, or know of, a function which i can use to check the available memory while my program is running ? regards kenneth johansen kennethj@stud.cs.uit.no (24 years ago, 9-Jul-02, to lugnet.robotics.rcx.legos)

rcx, how
(score: 0.714)

		Re: anyone know how to check free space on RCX?
(...) My sources (gcc-3.0) say: #define INT_TYPE_SIZE (TARGET_INT32 ? 32 : 16) A short experiment revealed that sizeof(short)=sizeof(int)=2, sizeof(long)=4. So int is normally 16bit. Only with the switch "-mint32" I get 32 bit ints. This is with a (...) (24 years ago, 12-Jul-02, to lugnet.robotics.rcx.legos)

rcx, how
(score: 0.714)

		Re: anyone know how to check free space on RCX?
(...) int is defined as the natural width of the processor, which on a 16-bit processor is 16 bits. longs are 64 bits on some machines as well, so you can't assume it is always 32 bits -- if your code cares, use sizeof. (...) 32-bit math on the H8 (...) (24 years ago, 12-Jul-02, to lugnet.robotics.rcx.legos)

rcx, how
(score: 0.714)

		Re: anyone know how to check free space on RCX?
That is very interesting Jason. It is interesting that mm_free_mem() returns a 16bit value using a 32bit return code. Both int and long are 32bit value on most computers/compilers these days; short would be a 16bit value; and char would be an 8bit (...) (24 years ago, 11-Jul-02, to lugnet.robotics.rcx.legos)

rcx, how
(score: 0.714)

		Re: anyone know how to check free space on RCX?
(...) v0.2.6) When you press the View button (with no program running) LegOS will (...) Joseph, what do you mean by most significant / least significant? I'm under the impression that those two calls just display the same value, in decimal first and (...) (24 years ago, 11-Jul-02, to lugnet.robotics.rcx.legos)

rcx, how
(score: 0.714)

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