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I am monitoring the switch on my card holder, and when the card is unplugged, the program jumps to

Start:

While Sd_inserted = 1 '1 = no card
...

The mkdir help text states that "the length of the pathname is limited to 8 characters"

Does this mean that:

dim directoryname as string *20
directoryname = "mydirnam" '8 char
mkdir (direct ...

hamedhamedi,
seeing you are using avr_dos, perhaps you should put this on the AVR-DOS site, not this one.

regards

At 12.0mhz your clock pulse will be 0.08333 uS each. Your last error is less than 1 ck pulse!
The first two errors are only 1.5 - 2.0 clock pulses long. How are you measuring the length of the 3ms p ...

I am writing data files received at a UART ser port to an SD card, 1 new data file every 15 minutes. Each block of data ( about 255 bytes) is saved as a new file, inside a single folder.
From time t ...

Good suggestion Peter. I could do that with a very small h/ware change, because my SD card is at the end of a ribbon cable, attached with a 10way box header with spare cores, for an additional CS pin.

Hi Peter,
I am monitoring weather, 500 miles from home so doing something manually is not possible. I can text the remote device so the possibility of remote manual intervention exists. But ...

Hi Peter.
No apology needed. I am aware of the $include, and had only called it once. My question was which function or functions should I use to check the card intergrity, once the co ...

I'm sure you are right Peter. I think there is an ascii zero, or a ctrl-Z or something in there which upsets my modem. The work around was easy - I just changed directories back to the root, then ba ...

Understood. Does something untoward happen when you do a dir(), kill (i.e kill the first file ),dir()

Thanks Peter

I'm a little confused ( which is easy) by what is required to initialise an SD card, and how often and when it should be done.
I have a large routine, which stores stuff to an SD card, and sends it o ...

This function confused me, with the statement "In fact when you want to get the next filename from the directory, you must not provide a mask after the first call." which suggested that the processor ...

Ah thankyou Mark. That answers my question about what happens to bytes left over after the last 512 gulp.

Peter,
Thanks for that. So what you are saying is that after the put, its the close or flush that actually does the write. The help for "PUT" suggests that the write to file is initiated ...