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 Robotics / RCX / legOS / 3173 (-20)
  Trivial warning fix
 
This avoids an "implicit declaration of exit" warning. Max. Index: util/firmdl/mkimg.c ===...=== RCS file: /cvsroot/brickos/bri.../mkimg.c,v retrieving revision 1.1 diff -u -p -r1.1 mkimg.c --- util/firmdl/mkimg.c 20 Aug 2002 03:04:29 -0000 1.1 +++ (...) (22 years ago, 15-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: Declaration of kernel_critsect_count
 
(...) Your request couldn't be more timely as I'm wrapping up a 0.2.6.10 test release this weekend. I've made this change in CVS and you will see it in the .10 test release. As I publish the 0.2.6.10 test release I'll post a message here explaining (...) (22 years ago, 15-Feb-03, to lugnet.robotics.rcx.legos)
 
  Declaration of kernel_critsect_count
 
kernel_critsect_count is declared volatile in kernel/critsec.c, but without the volatile keyword in include/sys/critsec.h - this upsets gcc3. Please could these declarations be reconciled? Thanks, Max. (22 years ago, 15-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: dll and the USB tower
 
I have the same problem (I posted a note 3 days ago "Problem with Brickos ..." # 20311). In addition I don't get firmdl3 to download the firmware. Are you running Windows or Linux? Hans (...) (22 years ago, 14-Feb-03, to lugnet.robotics.rcx.legos)
 
  dll and the USB tower
 
Hi, I downloaded brickOS 0.2.6 and patched it to use the USB tower. All works well (firmdl3 is patched correctly, the module goes in, I can make my own .lx files), except for dll. When I try to download a .lx file into the RCX, dll hangs. The LED (...) (22 years ago, 13-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: H8300 Cross Compiler for Mac OS X (a start ...)
 
Once again, WARNING! WARNING! WARNING! I have NO prior experience with the Mac or Mac OS X. So use these instructions AT YOUR OWN RISK. I am NOT responsible for any damage you might cause to your machine. Within step 5, you can download gcc ver 3.1 (...) (22 years ago, 12-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: measure distance traveled
 
(...) I'd use a dual differential drive with (one motor fwd/rev, one motor turns) to ensure a straight line of travel and the a rotation sensor to measure the wheel rotations. If you don't have a rotation sensor use a light sensor to emulate one. (...) (22 years ago, 11-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: measure distance traveled
 
I'm not a professional or anything, but your idea could run into the robot pulling to one side, and not going the exact 1 meter. if you had two rotation sensors (not exactly RPM sensors), the error would be greatly reduced in both the distance and (...) (22 years ago, 11-Feb-03, to lugnet.robotics.rcx.legos)
 
  measure distance traveled
 
Hi all, I'm a CS student and I have to complete a practical assignment in which a robot has to drive 1 meter straight forward, make a 90 degrees turn and then drive another meter (course administrators will also place obstacles which have to be (...) (22 years ago, 11-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: newbie troubles (now they in packs of 2)
 
(...) Say "directory naming semantics" instead of "FS", and you are correct. And yes, that is one of the core features of Cygwin! (22 years ago, 9-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: newbie troubles (now they in packs of 2)
 
(...) What do you mean /usr/local/bin? That's a Linux directory, unless Cygwin somehow emulates a complete Linux FS. (...) (22 years ago, 9-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: newbie troubles (now they in packs of 2)
 
To the group, please. I will quietly delete any responses not copied to the group. (...) Is there h8300-hitachi-hms-gcc.exe in /usr/local/bin ? Max. (22 years ago, 9-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: newbie troubles (now they in packs of 2)
 
Sending this to lugnet.robotics.rcx....ugnet.com. I'm not the sole source of brickOS wisdom. (...) Define "everything". (...) Did you build a cross-compiler? Unsurprisingly, Cygwin doesn't come with a compiler targeted for a lego brick. Max. (22 years ago, 9-Feb-03, to lugnet.robotics.rcx.legos)
 
  H8300 Cross Compiler for Mac OS X (a start ...)
 
With access to a Mac OS X 10.2 this week I have made an attempt to build the cross compiler set under Mac OS X. Currently I have an issue with sysinfo.c with the binutils build. But for those interested here are my steps so far. I will post more as (...) (22 years ago, 8-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: newbie troubles (now they in packs of 2)
 
(...) Unpack. Do NOT make realclean or make depend. Just make. If you get an error SAY WHAT IT IS! Max. (22 years ago, 4-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: newbie troubles (now they in packs of 2)
 
I uninstalled everything and followed what the website says.. and the exact same thing happened with the make depend command and I got an error with the make command too... weird. --Jason (22 years ago, 4-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: newbie troubles (now they in packs of 2)
 
(...) fontdesign.exe is compiled as part of brickOS. The makedepend error you see if a bug in brickos (fixed in CVS). Just don't do "make depend" for now. Also, you can't "make strip" until you've done "make". Max. (22 years ago, 3-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: newbie troubles (now they in packs of 2)
 
I do not belive fontdesign.exe does exsist because I did a a search on my computer and nothing showed up.I did follow all of commands that was in the installation guide on the brickos webisite. However, I did download the H8 tools instead of trying (...) (22 years ago, 3-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: newbie troubles (now they in packs of 2)
 
Jason, Try using ./firmdl3 ../boot/brickos.srec this would work if you were in the util folder; from the main brickos folder it would be util/firmdl3 boot/brickos.srec the .srec file is now called brickos.srec 8-) // Joe (...) (22 years ago, 3-Feb-03, to lugnet.robotics.rcx.legos)
 
  Re: newbie troubles (now they in packs of 2)
 
I had exactly the same problems not so long ago so i followed the instructions from this site and uninstalled the brickos i had and used the one they had provided following the link. So go to this site (URL) let me know how you get on. Good luck (...) (22 years ago, 3-Feb-03, to lugnet.robotics.rcx.legos)


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