Georg Ritter wrote: > > Hello, > > I'm aware of the wearing problem of FAT and I don't think it's very > suitable format at all nor for data logging - that is what I want to do. > > But I also must assume that not everybody is running linux > and is capable of mounting a MMC card or access it bytewise. > The card is a cheap (in terms of uC hardware, and PC hardware > and needed software ->SPI, protocol)) way of transferring data, or? > > Transferring via > RS232 - too slow > USB - uC hardware complicated. > IrDa - software protocol stack, etc... often cannot get this running > with out of the box windows and two laptops seems like nightmare. > > wireless - huh... EMC, FCC .... > smthing else? At present, I read and plot the data with MatLab/Octave using the USB port and a USB MMC reader ($30. or less).
My board has the MicroChip MCP2150 IrDA chip, which implements IRCOMM, but I have not got it set up yet to talk to the PC. Help welcome. > Just tried the romfs. There's a working windows driver out there > that could mount a romfs formated floppy. URL? Then it should be able to mount the MMC card. > Descriptions of the fs structure can be found here: > http://lxr.linux.no/source/Documentation/filesystems/romfs.txt > Good idea Garst! What's missing is an mkromfs to initialize the file structure. Garst > Jffs2 info: > http://sources.redhat.com/jffs2/ >
