1. Install Cygwin

• Install Cygwin 1.3.x or newer version (1.3.10 as of this writing) from Cygwin Site: http://www.cygwin.com/ .

• You can install it on-line running the setup program directly from this url: Install Cygwin now . Save the file in a temporary directory and run it.

• You can download all the files for a later install, or install directly from Internet. Choice the best for you:

  

• Install in the directory that you prefer. Do not worry about it, this version of cygwin will mount directories as *nix later. I have done these choices:

  

• Last setup I've tried let you choose which modules you need to download and setup. Here is a minimal list (but probably some modules could be removed too) that was tested to work:

  ash autoconf automake bash binutils cpio cygwin diff file fileutils findutils flex gcc grep less login make mingw patch sed shellutils tar textutils time w32api

  

2. Build the Hitachi-H8 cross-compiler

• Open a cygwin bash shell window (you can open it using Start->Programs->Cygnus Solution->Cygwin Bash Shell)

• Make a new directory:

  $ mkdir /build

  where you will download the next files: c:\cygwin\build

• Download gcc 2.95.2 sources using this link -> gcc-2.95.2.tar.gz and save in c:\cygwin\build

• Download binutils 2.10.1 sources using this link -> binutils-2.10.1.tar.gz and save in c:\cygwin\build

• Download the building scripts from here (legos-buildgcc.zip) and put it in the same directory as above. Unzip them to produce a shell script (buildgcc.sh) and two diff files.

• Build the cross compiler:

  $ cd /build $ ./buildgcc.sh

• Ignore the warnings in compile process. It should work.

3. Install the legOS files

• Get legos-0.2.6.tar.gz from the "Latest File Releases" section of our project web: http://sourceforge.net/projects/legos . Drag a copy to C:\cygwin.

• Type:

  $ cd / $ tar xvfz legos-0.2.6.tar.gz

• Lots of files will stream by as they install into their directories. This will create a legos-0.2.6 directory.

4. TRY IT!!!

• Type:

  $ cd /legos-0.2.6 $ make realclean $ make depend $ make $ cd util $ make strip

  Now, Power on RCX.

  Put IR tower on COM1

  $ ./firmdl3 ../boot/legos.srec $ ./dll ../demo/helloworld.lx

  Press RUN on RCX and enjoy!

If you have the IR tower connected to a different com port you can change the default with the instruction: "export RCXTTY=COMx". NOTE: if you have a USB tower this is "export RCXTTY=USB"

Final Notes

If it doesn't work, consult lugnet.robotics.rcx.legos on lugnet.com .

Every command indicated is executed from the Cygwin environment. In the examples, the "$" is the prompt cygwin gives to you.

You can use Notetab Light to edit files instead of WordPad or VI. It's available from: http://www.notetab.com . It preserves the unix line-endings, and it can change between unix and dos line-endings.

Last update: Stephen Moraco 01/05/2002.

Initial Release: Paolo Masetti 13/05/2001.

SGML Source for document created for Paolo by Stephen Moraco 19/07/2001.