driveinit() & initfilesystem() problem resolved

njepsen · Joined: 13 Aug 2007 Posts: 469

After some more testing and re-reading the docs several times, the following code runs without creating unexplained errors.

albertsm · Joined: 09 Apr 2004 Posts: 5922 Location: Holland

what i tried to explain in another reply is that driveinit depends on the driver and hardware.
AVR-DOS supports various media : hard disc, MMC,SD, xram for simulation

each media has a different hardware connection, using SPI, soft spi, ports, or nothing.
driveinit() you find in the lib driver.
for ATA/HD the port pins are brought to the right state and it is checked if there is a drive.
for MMC/SD the SPI is initialized. and the card init procedure is executed. this only has to be done once.
i do not see a reason why it would fail when done a second time. especial when you eject/insert the card.
but is suspect the vcc. there is a difference between you power the whole circuit or just hot swap the card.

there is no difference between including bas or inc files. you can include any file you like. as long it contains bascom code.
long time ago code was not that much so all wend in one bas file. include could be done by including other bas file.
but it is better to use inc so it is clear that this is to be included and will not run on its own. that is why most samples that include files were changed to include INC instead of bas.