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 Robotics / RCX / *7540 (-20)
  Re: Ideas!
 
I have a LOT of school work to do but i'll try to make it. --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system ((URL) 6.0.476 / Virus Database: 273 - Release Date: 24/04/2003 (21 years ago, 7-May-03, to lugnet.robotics.rcx)
 
  Re: math.h
 
Oh note : you need to compile with -lfloat your kernel if you want to include it into kernel just add -lfloat to $LIBS in the Makefile.kernel nanobapt (21 years ago, 6-May-03, to lugnet.robotics.rcx.legos)
 
  math.h
 
Hello all, I've written some math usefull library ! here is my work. It's not really optimized and I'm afraid cause I see the memory place down ... If someone want help me ... Have fun nanobapt /*test.c*/ #include <math.h> #include <conio.h> int (...) (21 years ago, 6-May-03, to lugnet.robotics.rcx.legos)
 
  Re: Upgrade RCX?
 
(...) take a look at Robobricks (URL) also playing around with such an idea, but smaller (most devices should fit in a 2*4 brick) and faster (115 kBaud bus). My first notes can be seen here (URL) regards, Stef Mientki (...) (21 years ago, 6-May-03, to lugnet.robotics.rcx.java, lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
 
  Re: brickos-0.2.6.10 .text is not within region ram
 
Hi Bernhard, Apparently the kernel is getting too big! By defining CONF_DSENSOR_MUX, enough extra code was generated to make the kernel exceed 12K. If you go to Makefile.user in the main BrickOS directory, change the following lines: # Base (...) (21 years ago, 6-May-03, to lugnet.robotics.rcx.legos)
 
  brickos-0.2.6.10 .text is not within region ram
 
I changed in /boot/config.h the //#define CONF_DSENSOR_MUX //!< sensor multiplexor TO #define CONF_DSENSOR_MUX //!< sensor multiplexor Enviroment: Latest Version: Cygwin 1.3.22-1 WIN2000 brickos-0.2.6.10 + gcc-2.95.2 + binutils-2.10.1 + Hitachi (...) (21 years ago, 6-May-03, to lugnet.robotics.rcx.legos)
 
  Re: firmdl3: delete firmware failed
 
(...) see Thread (URL) (21 years ago, 6-May-03, to lugnet.robotics.rcx.legos)
 
  Upgrade RCX?
 
Has anyone ever tried to upgrade the memory in the RCX? ( External RAM that is ). What about upgrade the CPU to 60kbyte PROM version? No need to use expanded mode, then a ton of I/O would be available... Anyone thought about building a RCX (...) (21 years ago, 6-May-03, to lugnet.robotics.rcx.java, lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
 
  Re: What sort of signals(values) can be transmitted and received by the RCX
 
(...) 0x1 = 1. 0xf = 15. 0xbe = 11*16+14 = 190 (I think.) It's that simple. (...) But 0 is not recommended, as it's the value used when no message has been recieved. (...) brickOS is the best: it has LNP, an addressed protocol like UDP. (...) (...) (21 years ago, 5-May-03, to lugnet.robotics.rcx)
 
  Re: What sort of signals(values) can be transmitted and received by the RCX
 
(...) Yes. (...) No, integers are integers whether written decimal or hexadecimal (or in binary or whatever other base[*]). What you can do depends on the software you use. The SendMessage command in the standard firmware can send values in the (...) (21 years ago, 5-May-03, to lugnet.robotics.rcx)
 
  What sort of signals(values) can be transmitted and received by the RCX
 
Hi, I want to know whether it is possible to transmit integers from the PC to the RCX. From all the readings I have done,if I understood what I read correctly, then it appears that only hexadecimal values can be transmitted from the PC to the RCX or (...) (21 years ago, 5-May-03, to lugnet.robotics.rcx)
 
  Re: Ideas!
 
Ok I'll Try to make it. --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system ((URL) 6.0.476 / Virus Database: 273 - Release Date: 24/04/2003 (21 years ago, 3-May-03, to lugnet.robotics.rcx)
 
  Re: firmdl3: delete firmware failed
 
You answered this question to the exact same person too :-P (...) (21 years ago, 3-May-03, to lugnet.robotics.rcx.legos)
 
  Re: firmdl3: delete firmware failed
 
(...) Arg i've answered .... in an other message nanobapt (21 years ago, 2-May-03, to lugnet.robotics.rcx.legos)
 
  firmdl3: delete firmware failed
 
Hello, Has anyone run into this problem? Running this command: firmdl3 legOS.srec results in this message: firmdl3: delet firmware failed Theresa (21 years ago, 2-May-03, to lugnet.robotics.rcx.legos)
 
  Re: Win98 installation of legos
 
(...) This error indicate to you that communication is really bad or RCX have a firmware locked in memory !! Try to download the program with -s option like that (firmdl3 -s PATH/legOS.srec) Or try to erase firmware by erase RAM nanobapt (21 years ago, 2-May-03, to lugnet.robotics.rcx.legos)
 
  Re: Win98 installation of legos
 
Theresa, (...) I have not experienced this error. I would suggest searching the newsgroup for "delete firmware" to see if others have. Ed (21 years ago, 2-May-03, to lugnet.robotics.rcx.legos)
 
  Re: Ideas!
 
"Steven" <mnb93@hotmail.com> wrote in message news:HE8w5L.LF5@lugnet.com... (...) For my "pullback" car: 1. Wait until pushed in either direction (for simplifying use only one direction). 2. Count how far it is been pushed with the rotation sensor. (...) (21 years ago, 2-May-03, to lugnet.robotics.rcx)
 
  Re: Ideas!
 
I need to know what you want it to do. --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system ((URL) 6.0.471 / Virus Database: 269 - Release Date: 10/04/2003 (21 years ago, 2-May-03, to lugnet.robotics.rcx)
 
  Re: Win98 installation of legos
 
Ed, Thanks for your help! I am using the same version of cygwin that you are. I made the changes you suggested in the two .common Makefiles and now firmdl3 doesn't complain anymore. It does tell me "firmdl3: delete firmware failed", though. I don't (...) (21 years ago, 1-May-03, to lugnet.robotics.rcx.legos)


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