FreeCalypso > hg > freecalypso-tools
annotate uptools/libcoding/number_decode.c @ 548:2e4ab60919b9
fc-dspromdump front end program implemented
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 28 Oct 2019 22:08:38 +0000 |
parents | ea41b6001848 |
children |
rev | line source |
---|---|
331
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 * This library module implements the decoding of number (address) digits. |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 */ |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 #include <sys/types.h> |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 char gsm_address_digits[16] = |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 {'0','1','2','3','4','5','6','7','8','9','*','#','a','b','c','?'}; |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 decode_address_digits(inbuf, outbuf, ndigits) |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 u_char *inbuf; |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 char *outbuf; |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 unsigned ndigits; |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 { |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 u_char *inp = inbuf; |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 char *outp = outbuf; |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 unsigned n = 0, b; |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
18 |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 while (n < ndigits) { |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
20 b = *inp++; |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 *outp++ = gsm_address_digits[b & 0xF]; |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 n++; |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 if (n >= ndigits) |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
24 break; |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
25 *outp++ = gsm_address_digits[b >> 4]; |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
26 n++; |
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
27 } |
332
ea41b6001848
uptools/libcoding: SC address decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
331
diff
changeset
|
28 *outp = '\0'; |
331
110fffa1f001
uptools/libcoding: digit decoding implemented
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
29 } |