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comparison gpf/CCD/util/freq_list_codec/dich.h @ 0:509db1a7b7b8

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initial import: leo2moko-r1
author Space Falcon <falcon@ivan.Harhan.ORG>
date Mon, 01 Jun 2015 03:24:05 +0000
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-1:000000000000 0:509db1a7b7b8
1 /*
2 +-----------------------------------------------------------------------------
3 | Project : G23NET
4 | Modul : dich.h
5 +-----------------------------------------------------------------------------
6 | Copyright 2000-2001 Condat AG
7 | All rights reserved.
8 |
9 | This file is confidential and a trade secret of Condat AG
10 | The receipt of or possession of this file does not convey
11 | any rights to reproduce or disclose its contents or to
12 | manufacture, use, or sell anything it may describe, in
13 | whole, or in part, without the specific written consent of
14 | Condat AG.
15 +-----------------------------------------------------------------------------
16 | Purpose : Test of Dichotomy algorithms
17 +-----------------------------------------------------------------------------
18 */
19
20 #define SHORT short int
21
22 #define DICH_RANGE_1024 1024
23 #define DICH_RANGE_512 512
24 #define DICH_RANGE_256 256
25 #define DICH_RANGE_128 128
26
27 extern int op_mod ( int x, int y );
28
29 /*
30 +------------------------------------------------------------------------------
31 | Function : rr_dichotomy_encode
32 +------------------------------------------------------------------------------
33 | Description : The encoding part of the dichotomy algorithm.
34 | On return w[0] contains 'ORIG-ARFCN' (format 128, 256, 512)
35 | or the 'frequency F0 indicator' (format 1024).
36 | The 'frequency F0 indicator' is either
37 | 0 if F0 is not part of the frequency set or
38 | -1 if F0 is part of the frequency set.
39 | The other w's contain the W(i) (refer description of
40 | rr_dichotomy_encode_rec)
41 |
42 | The array 'w' should have a size of at least nf+1 elements.
43 | The array 'f' should have a size of at least 2*nf+1 elements.
44 |
45 | Parameters : f - the frequencies (refer 'Description:')
46 | c_f - number of frequencies, maximum is NF_MAX.
47 | w - the W(i)s
48 | c_w - pointer the number of 'w's is written to
49 | fmt - the used encoding format
50 |
51 | Return : number of elements in w
52 |
53 +------------------------------------------------------------------------------
54 */
55
56 extern USHORT rr_dichotomy_encode ( USHORT *f, USHORT c_f, USHORT *w, USHORT *c_w, USHORT fmt );
57
58 /*
59 +------------------------------------------------------------------------------
60 | Function : rr_dichotomy_decode
61 +------------------------------------------------------------------------------
62 | Description : The decoding part of the dichotomy algorithm.
63 | The algorithm is described in GSM 04.08 Annex J and
64 | e. g. in section 10.5.1.13
65 |
66 | Parameters : f - the frequencies
67 | c_f - pointer the number of frequencies is written to
68 | w - the encoded W(i)s
69 | c_w - number of elements in 'w'
70 | fmt - the used decoding format
71 |
72 | Return : number of elements in f
73 |
74 +------------------------------------------------------------------------------
75 */
76
77 extern USHORT rr_dichotomy_decode ( USHORT *f, USHORT *c_f, USHORT *w, USHORT c_w, USHORT fmt );
78
79 /*
80 +------------------------------------------------------------------------------
81 | Function : rr_dich_range_to_ncell_fmt
82 +------------------------------------------------------------------------------
83 | Description : conversion
84 |
85 | Parameters : a DICH_RANGE_* constant
86 |
87 | Return : a NCELL_FMT_* constant
88 |
89 +------------------------------------------------------------------------------
90 */
91
92 extern USHORT rr_dich_range_to_ncell_fmt ( USHORT range );