D-Man wrote: > 3) figure out from the docs/driver how to receive input from the > scanner -- hopefully it has an interrupt to alert you that it has > input for you, > > the barcode scanners I use at one job connects through the keyboard > port. the terminal doesn't know whether it is getting the input > from the scanner, or if it was typed in manually >
speaking of that, you might want to leave that option of keyboard/keypad entry open, in case the barcode is damaged, but the numbers are still readable. then you can still use the card until a new card is issued. mike
