Cross-compiling QT/embedded

QT/Embedded for the TS-7290

It has been a major pain to get a proper version of QT/embedded working on the TS-7290. The blog at automon was quite helpful.

Yes, you want TSLIB, otherwise the cursor does not follow where you touch the screen.

Prerequisites

You first need a decent (i.e. correctly build) cross compiler. For OABI I used binutils-2.18 with gcc 4.1.2. For EABI I used binutils-2.20 and gcc-4.4.2

OABI

To make binutils, get the source, untar it, create a "build-arm-linux-gnu" subdirectory and execute:

../configure --target=arm-linux-gnu --prefix=/net/home/maurik/cross-compile/arm-linux-gnu --with-sysroot=/net/home/maurik/cross-compile/arm-linux-gnu --with-local-prefix=/net/home/maurik/cross-compile/arm-linux-gnu --disable-nls --with-gcc --with-gnu-as --with-gnu-ld
make
make install

To make your compiler, get the sources, untar, create "build-arm-linux-gnu" subdir and execute:

 ../configure --target=arm-linux-gnu --prefix=/net/home/maurik/cross-compile/arm-linux-gnu --with-sysroot=/net/home/maurik/cross-compile/arm-linux-gnu --with-local-prefix=/net/home/maurik/cross-compile/arm-linux-gnu --disable-nls --enable-threads=posix --enable-symvers=gnu --enable-__cxa_atexit --enable-shared --enable-c99 --enable-long-long --enable-languages=c,c++
make 
make install

NOTE: YOU MUST MAKE THESE ON AN i386 TYPE MACHINE. On the x86_64 you get a different puppy which may not work. (didn't for me....)

EABI

To make binutils, get the source, untar it, create a "build-arm-linux-gnu" subdirectory and execute:

../configure --target=arm-linux-gnueabi --prefix=/net/home/maurik/cross-compile/arm-linux-gnueabi --with-sysroot=/net/home/maurik/cross-compile/arm-linux-gnueabi --with-local-prefix=/net/home/maurik/cross-compile/arm-linux-gnueabi --with-gcc --with-gnu-as --with-gnu-ld
make
make install

To make your compiler, get the sources, untar, create "build-arm-linux-gnu" subdir and execute:

../configure --target=arm-linux-gnueabi --prefix=/net/home/maurik/cross-compile/arm-linux-gnueabi --with-sysroot=/net/home/maurik/cross-compile/arm-linux-gnueabi --with-local-prefix=/net/home/maurik/cross-compile/arm-linux-gnueabi --enable-shared --enable-threads=posix --enable-nls --without-included-gettext --enable-clocale=gnu --enable-symvers=gnu --enable-languages=c,c++ --enable-shared --enable-c99 --with-system-zlib --enable-mpfr --disable-libssp CCFLAGS=-m32
make 
make install

NOTE: YOU MUST MAKE THESE ON AN i386 TYPE MACHINE. On the x86_64 you get a different puppy which may not work. (didn't for me....)

Other prereq's

You also need to make a copy of the ARM boards system libraries and include files. For either OABI or EABI, boot your board and create a tar file of the system:

 cd /
 tar czf /net/home/maurik/tmp/arm_libs.tgz  /usr/lib /usr/include /lib

You can exclude the /lib/modules and other junk, but why bother. Expand this tar file in the appropriate sysroot (/net/home/maurik/cross-compile/arm-linux-gnueabi)

Now: very important you need to fix up all the links in .../usr/lib that point to /lib and instead should point to ../../lib

TSLIB

Get the TSLIB from SVN: (svn co svn://svn.berlios.de/tslib/trunk/tslib tslib ) or get it from http://prdownload.berlios.de/tslib/tslib-1.0.tar.bz2

You need a patch, since the TS board does not give pressure info: http://projects.linuxtogo.org/pipermail/openembedded-commits/2009-July/029934.html (I hand edited this in, instead of using the patch.)

Now run:

 ./autogen.sh
 ./configure CC=arm-linux-gcc CXX=arm-linux-g++ PLUGIN_DIR=/net/home/maurik/cross-compile/arm-linux-gnu/usr/local/plugin -prefix=/net/home/maurik/cross-compile/arm-linux-gnu/usr/local -host=arm-linux
 OR
 ./configure CC=arm-linux-gcc CXX=arm-linux-g++ PLUGIN_DIR=/net/home/maurik/cross-compile/arm-linux-gnueabi/plugin -prefix=/net/home/maurik/cross-compile/arm-linux-gnueabi/ -host=arm-linux
 make
 make install

And on the arm board, in the tslib directory run

  ./configure
  make 
  make install
  export TSLIB_CONFFILE=/usr/local/etc/ts.conf
  export TSLIB_CALIBFILE=/etc/pointercal
  export TSLIB_CONSOLEDEVICE=none
  export TSLIB_TSEVENTTYPE=H3600
  export TSLIB_FBDEVICE=/dev/fb0
  export TSLIB_TSDEVICE=/dev/input/event0
  export TSLIB_PLUGINDIR=/usr/local/lib/ts

Then run /usr/local/bin/ts_calib, and follow directions. Presto!