Help with :CAT optical Reader
It was thus said that the Great Philip Pemberton once stated:
>
> In message <009b01c469a9$fe295e50$30406b43_at_66067007>
> "Keys" <jrkeys_at_concentric.net> wrote:
>
> > I guy told me that the :C optical reader was great for scanning books into
> > your computer, so I got one out of the warehouse and loaded the software
> > that came with it.
> The CueCat (aka :C) is a barcode scanner, not a text scanner. You can scan
> barcodes with it and it dumps the data (in an encoded format) into the
> keyboard buffer.
>
> > Now the problem is I can not get to the company website
> > to get the code to use the software?
> DigitalConvergence went bankrupt a few years ago. The servers that :CRQ used
> to look up barcodes are dead anyway.
I write some C code (included below---it's quite short) to decode the
Cuecat datastream (tested and works, at least under Linux). I got the thing
(free from RatShack), played around with it for oh, a day or so (that's when
I wrote the software) and then never did anything with the thing afterwards.
-spc (oh wait ... hold old is the cuecat now?)
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <ctype.h>
/*******************************************************************/
char *cuecat_convert(char *dest,size_t size,const char *src)
{
int t[4];
unsigned long value;
char *sdest;
int i;
char *p;
static const char *const convtable = "abcdefghijklmnopqrstuvwxyz"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"0123456789+-";
/*"0123456789,/";*/
assert(dest != NULL);
assert(size > 0);
assert(src != NULL);
sdest = dest;
while((size > 3) && (*src != '.') && (*src != '\0')) /* oops */
{
memset(t,0,sizeof(t));
for (i = 0 ; (*src != '.') && (i < 4) ; i++ , src++)
{
p = strchr(convtable,*src);
if (p == NULL) break;
t[i] = p - convtable;
assert(t[i] >= 0);
assert(t[i] <= 63);
}
value = (t[0] << 18) | (t[1] << 12) | (t[2] << 6) | (t[3]);
value ^= 0x00434343ul;
dest[0] = (value >> 16) & 0x000000FFul;
dest[1] = (value >> 8) & 0x000000FFul;
dest[2] = (value) & 0x000000FFul;
dest[3] = '\0';
dest += 3;
size -= 3;
}
*dest = '\0';
return(sdest);
}
/***************************************************************/
char *cleanup(char *src)
{
char *ssrc = src;
assert(src != NULL);
for ( ; *src ; src++)
{
if ((*src < 32) || (*src > 126))
*src = '.';
}
return(ssrc);
}
/***************************************************************/
int main(int argc,char *argv[])
{
char *id;
char *type;
char *code;
char buffer[BUFSIZ];
char cid [BUFSIZ];
char ctype [BUFSIZ];
char ccode [BUFSIZ];
while(fgets(buffer,BUFSIZ,stdin))
{
id = strchr(buffer,'.'); if (id == NULL) continue; else id++;
type = strchr(id, '.'); if (type == NULL) continue; else type++;
code = strchr(type, '.'); if (code == NULL) continue; else code++;
cleanup(cuecat_convert(cid,BUFSIZ,id));
cleanup(cuecat_convert(ctype,BUFSIZ,type));
cleanup(cuecat_convert(ccode,BUFSIZ,code));
printf("ID: %s TYPE: %s CODE: %s\n",cid,ctype,ccode);
}
return(0);
}
/*******************************************************************/
Received on Wed Jul 14 2004 - 16:45:59 BST
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: Fri Oct 10 2014 - 23:36:51 BST