Here is a link to a more recent (2013) discussion with a more recent (3.x.xx vs 2.x.xx) version of SQLite:
http://comments.gmane.org/gmane.comp.db.sqlite.general/83038 Jim On Mon, Jul 13, 2015 at 11:22 AM, Jim Callahan < jim.callahan.orlando at gmail.com> wrote: > SQLite expects a file system. > "SQLite reads and writes directly to ordinary disk files." > https://www.sqlite.org/about.html > > You need a minimal file system. > > A file system does not have to be large. > CP/M ran on an 8 bit Z-80 with less than 64k of RAM (but the original > CP/M was written in Z-80 assembly language -- not C). > > Here is an article on a stripped down Linux for M3/M4: uCLinux > > http://electronicdesign.com/embedded/practical-advice-running-uclinux-cortex-m3m4 > > And here is website for SQLite for uClinux. > http://www.menie.org/georges/uClinux/sqlite.html > > > The other option would be to emulate the Linux system file calls. > You could start from scratch or download the Linux source code (assuming > you have installed and know how to use git source code management system): > > # the Linux kernel (approx. 640MB download): > $ git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > > > > https://www.kernel.org/pub/software/scm/git/docs/user-manual.html#how-to-get-a-git-repository > > Hope this helps. > > Jim Callahan > Orlando, FL > > > > On Mon, Jul 13, 2015 at 5:52 AM, Shuhrat Rahimov <sandrorkmv at gmail.com> > wrote: > >> Hello, >> I was trying to run SQLite on ARM Cortex M4 CPU. What I need is a minimal >> SQLite without the most features. I have no file system, so I wanted to >> save a single file db on the internal MCU flash. I have successfully cross >> compiled SQLite for ARM Cortex M4. I have set among others compile time >> options SQLITE_OS_OTHER=1 and SQLITE_THREADSAFE=0. Now I wanted to >> implement a VFS. I want to save db tables directly in internal flash >> without a file system. I have difficulties to understand test_onefile.c >> implementation provided by SQLite. How could I edit that file in order to >> be able to write file content on the internal MCU flash? Please, could >> someone explain it to me or give some links where it is explained? >> Kind Regards >> _______________________________________________ >> sqlite-users mailing list >> sqlite-users at mailinglists.sqlite.org >> http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users >> > >
