thanks
--- In [EMAIL PROTECTED], Matt Graham <[EMAIL PROTECTED]>
wrote:
> jewoh wrote:
> > Okay.But is there not a function, thats convert { "test" } to {
0x74,
> > 0x65, 0x73, 0x74, 0x00 }? because the reader can only understand
> > command in the last form ({ 0x74, 0x65, 0x73, 0x74, 0x00 }).
> > I hope you have understand what i mean.
>
> {"test"} and { 0x74, 0x65, 0x73, 0x74, 0x00 }
> are the same. identical. if you put "test" into an array
> { 0x74, 0x65, 0x73, 0x74, 0x00 } will be in it.
> "test" is an array of characters, 0x74, 0x65, 0x73, 0x74, 0x00 are
all
> values in that array that are usually represented as letters. each
> letter is a byte, each hex value 0xXX is a byte. 0x74 = 't' 0x65
= 'e'
> so when you use "test", it may look like "test" to you, but the
computer
> sees it as { 0x74, 0x65, 0x73, 0x74, 0x00 } so there is no further
> conversion necessary.
>
>
> >
> >
> > --- In [EMAIL PROTECTED], Matt Graham
<[EMAIL PROTECTED]>
> > wrote:
> >
> >>Silvain Jewoh wrote:
> >>
> >>>I write some Application to read a chip Card with a chip card
> >>
> > reader for
> >
> >>>palm. I must send the commans to the reader in Hex (e.g. Char
com
> >>
> > [] =
> >
> >>>{0x00, 0x33, 0x34, 0x34,0x00}).
> >>>
> >>>The user must give some parameter on the palm and i dont know
how
> >>
> > i can
> >
> >>>change the format Char com [] = {"test"} to this Char com [] =
> >>
> > {0x00,
> >
> >>>0x00......
> >>
> >>I'm not entirely clear on what you're actually asking but I'll
give
> >
> > it a
> >
> >>shot.
> >>
> >>0x00 format is just a byte. one hex digits represents 4 bits, so
2
> >
> > hex
> >
> >>digits represents 8 bits or a byte.
> >>char com[] = { "test" } = char com[] = { 0x74, 0x65, 0x73, 0x74,
> >
> > 0x00 }
> >
> >>so, you might already have it in the right format.
> >>hope that helps
> >>Matt
> >>
>
>
> --
> For information on using the Palm Developer Forums, or to
unsubscribe, please see http://www.palmos.com/dev/support/forums/
--
For information on using the Palm Developer Forums, or to unsubscribe, please see
http://www.palmos.com/dev/support/forums/
