FreeCalypso > hg > leo2moko-debug

annotate gpf/CCD/util/freq_list_codec/dich.h @ 12:da79bf85bd73

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README added
author Space Falcon <falcon@ivan.Harhan.ORG>
date Tue, 02 Jun 2015 00:29:51 +0000
parents 509db1a7b7b8
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : G23NET
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4 | Modul : dich.h
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2000-2001 Condat AG
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7 | All rights reserved.
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8 |
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9 | This file is confidential and a trade secret of Condat AG
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10 | The receipt of or possession of this file does not convey
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11 | any rights to reproduce or disclose its contents or to
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12 | manufacture, use, or sell anything it may describe, in
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13 | whole, or in part, without the specific written consent of
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14 | Condat AG.
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15 +-----------------------------------------------------------------------------
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16 | Purpose : Test of Dichotomy algorithms
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17 +-----------------------------------------------------------------------------
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18 */
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19
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20 #define SHORT short int
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21
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22 #define DICH_RANGE_1024 1024
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23 #define DICH_RANGE_512 512
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24 #define DICH_RANGE_256 256
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25 #define DICH_RANGE_128 128
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26
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27 extern int op_mod ( int x, int y );
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28
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29 /*
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30 +------------------------------------------------------------------------------
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31 | Function : rr_dichotomy_encode
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32 +------------------------------------------------------------------------------
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33 | Description : The encoding part of the dichotomy algorithm.
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34 | On return w[0] contains 'ORIG-ARFCN' (format 128, 256, 512)
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35 | or the 'frequency F0 indicator' (format 1024).
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36 | The 'frequency F0 indicator' is either
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37 | 0 if F0 is not part of the frequency set or
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38 | -1 if F0 is part of the frequency set.
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39 | The other w's contain the W(i) (refer description of
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40 | rr_dichotomy_encode_rec)
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41 |
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42 | The array 'w' should have a size of at least nf+1 elements.
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43 | The array 'f' should have a size of at least 2*nf+1 elements.
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44 |
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45 | Parameters : f - the frequencies (refer 'Description:')
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46 | c_f - number of frequencies, maximum is NF_MAX.
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47 | w - the W(i)s
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48 | c_w - pointer the number of 'w's is written to
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49 | fmt - the used encoding format
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50 |
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51 | Return : number of elements in w
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52 |
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53 +------------------------------------------------------------------------------
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54 */
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55
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56 extern USHORT rr_dichotomy_encode ( USHORT *f, USHORT c_f, USHORT *w, USHORT *c_w, USHORT fmt );
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57
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58 /*
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59 +------------------------------------------------------------------------------
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60 | Function : rr_dichotomy_decode
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61 +------------------------------------------------------------------------------
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62 | Description : The decoding part of the dichotomy algorithm.
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63 | The algorithm is described in GSM 04.08 Annex J and
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64 | e. g. in section 10.5.1.13
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65 |
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66 | Parameters : f - the frequencies
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67 | c_f - pointer the number of frequencies is written to
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68 | w - the encoded W(i)s
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69 | c_w - number of elements in 'w'
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70 | fmt - the used decoding format
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71 |
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72 | Return : number of elements in f
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73 |
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74 +------------------------------------------------------------------------------
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75 */
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76
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77 extern USHORT rr_dichotomy_decode ( USHORT *f, USHORT *c_f, USHORT *w, USHORT c_w, USHORT fmt );
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78
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79 /*
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80 +------------------------------------------------------------------------------
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81 | Function : rr_dich_range_to_ncell_fmt
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82 +------------------------------------------------------------------------------
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83 | Description : conversion
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84 |
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85 | Parameters : a DICH_RANGE_* constant
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86 |
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87 | Return : a NCELL_FMT_* constant
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88 |
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89 +------------------------------------------------------------------------------
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90 */
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91
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92 extern USHORT rr_dich_range_to_ncell_fmt ( USHORT range );