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annotate src/gpf3/ccd/fdd_ci.c @ 597:f18b29e27be5

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First attempt at MCSI voice path automatic switching The function is implemented at the ACI level in both aci2 and aci3, successfully avoids triggering the DSP bug on the first call, but the shutdown of MCSI upon call completion is not working properly yet in either version.
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 27 Mar 2019 22:18:35 +0000
parents c41a534f33c6
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : CCD
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4 | Modul : fdd_ci.c
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2004 Texas Instruments Deutschland GmbH
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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 Texas
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10 | Instruments Deutschland GmbH
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11 | The receipt of or possession of this file does not convey
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12 | any rights to reproduce or disclose its contents or to
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13 | manufacture, use, or sell anything it may describe, in
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14 | whole, or in part, without the specific written consent of
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15 | Texas Instruments Deutschland GmbH.
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16 +-----------------------------------------------------------------------------
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17 | Purpose : Definition of encoding and decoding functions for FDD_CI type
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18 +-----------------------------------------------------------------------------
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19 */
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20
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21
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22 /*
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23 * standard definitions like GLOBAL, UCHAR, ERROR etc.
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24 */
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25 #include "typedefs.h"
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26 #include "header.h"
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27
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28 /*
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29 * Types and functions for bit access and manipulation
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30 */
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31 #include "ccd_globs.h"
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32 /*
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33 * Function prototypes of CCD-CCDDATA interface
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34 */
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35 #include "ccddata.h"
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36
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37
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38 /*
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39 * Prototypes of ccd internal functions
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40 */
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41 #include "ccd.h"
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42 #include "bitfun.h"
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43
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44 /*
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45 * Declaration of coder/decoder tables
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46 */
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47 #include "ccdtable.h"
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48
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49 #if !(defined (CCD_TEST))
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50 #include "vsi.h"
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51 #endif
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52
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53 #ifndef RUN_INT_RAM
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54 /* Attention: static data, only used in cdc_fdd_ci_decode */
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55 static const U8 params_bSize[17] =
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56 {
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57 0,
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58 10,
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59 19, 28,
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60 36, 44, 52, 60,
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61 67, 74, 81, 88, 95, 102, 109, 116,
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62 122
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63 };
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64 /*
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65 +--------------------------------------------------------------------+
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66 | PROJECT : CCD MODULE : cdc_fdd_ci_decode |
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67 +--------------------------------------------------------------------+
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68
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69 PURPOSE : Decoding of the FDD_CELL_INFORMATION Field reusing
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70 RANGE 1024 format of frequency list information.
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71 The IE is preceded by FDD_Indic0(1 bit) and made of the
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72 following two IEs:
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73 1) NR_OF_FDD_CELLS(5 bit field),
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74 2) FDD_CELL_INFORMATION information parameters
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75
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76 FDD_Indic0 indicates if the parameter value '0000000000'
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77 is a member of the set.
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78
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79 FDD_CELL_INFORMATION or "Scrambling Codes and Diversity
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80 Field" is a bit filed of length
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81 p(Number_of_Scrambling_Codes_and_Diversity),
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82 whereas the function p(x) is defined by the table below
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83 with n = Number_of_Scrambling_Codes_and_Diversity.
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84 n p n p n p n p
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85 0 0 5 44 10 81 15 116
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86 1 10 6 52 11 88 16 122
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87 2 19 7 60 12 95 17-31 0
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88 3 28 8 67 13 102
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89 4 36 9 74 14 109
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90
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91 The message is sent from net to MS and a MS supporting
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92 enhanced measurements has to understand it.
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93
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94 The space this IE takes in the C-structure is made of a
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95 counter for the number of decoded parameter and an array
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96 of them.
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97 */
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98
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99 SHORT cdc_fdd_ci_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
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100 {
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101 U8 ListSize = 0;
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102 U16 ListBitLen = 0;
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103 ULONG cix_ref, num_prolog_steps, prolog_step_ref;
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104 short *w;
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105
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106 #ifdef DEBUG_CCD
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107 TRACE_CCD (globs, "cdc_fdd_ci_decode()");
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108 #ifdef CCD_SYMBOLS
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109 TRACE_CCD (globs, "decoding list %s with range 1024 format",
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110 ccddata_get_alias((USHORT) e_ref, 1));
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111 #else
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112 TRACE_CCD (globs, "decoding elem %d with range 1024 format", melem[e_ref].elemRef);
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113 #endif
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114 #endif
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115
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116 globs->SeekTLVExt = FALSE;
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117
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118 cix_ref = melem[e_ref].calcIdxRef;
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119 num_prolog_steps = calcidx[cix_ref].numPrologSteps;
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120 prolog_step_ref = calcidx[cix_ref].prologStepRef;
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parents:
diff changeset
121
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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123 * if this element have a defined Prolog
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parents:
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124 * we have to process it before decoding the bitstream
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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125 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 if (num_prolog_steps)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 ccd_performOperations (num_prolog_steps, prolog_step_ref, globs);
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parents:
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129 }
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parents:
diff changeset
130
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parents:
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131 /*
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132 * First read NR_OF_FDD_CELLS (5 bits).
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parents:
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133 */
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134 globs->pstructOffs = melem[e_ref].structOffs;;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 bf_readBits (5, globs);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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136 ListSize = globs->pstruct[globs->pstructOffs++];
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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137
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parents:
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138 /* If n=0 there is nothing to do for this IE. */
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parents:
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139 if (!ListSize)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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140 {
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parents:
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141 return 1;
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parents:
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142 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143
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parents:
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144 /* Read the corresponding bit number or suppose the maximum length. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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145 if (ListSize <= 16)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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146 {
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parents:
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147 ListBitLen = params_bSize [ListSize];
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parents:
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148 }
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parents:
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149 else
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parents:
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150 {
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parents:
diff changeset
151 /* If n>17 there is nothing to do for this IE. */
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parents:
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152 return 1;
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parents:
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153 }
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parents:
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154 /*
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parents:
diff changeset
155 * Bit size for params is bigger than the size of unread bits in the
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parents:
diff changeset
156 * message buffer. Danger: buffer overwriting!
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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157 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 if ( ListBitLen > globs->maxBitpos - globs->bitpos)
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parents:
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159 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 ccd_recordFault (globs, ERR_ELEM_LEN, BREAK, (USHORT) e_ref,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 globs->pstruct + globs->pstructOffs);
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parents:
diff changeset
162 ListBitLen = (U16)(globs->maxBitpos - globs->bitpos);
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parents:
diff changeset
163 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164
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parents:
diff changeset
165 /*
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parents:
diff changeset
166 * Use dynamic memory for calculation instead of global memory or stack.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 MALLOC (w, 257 * sizeof (U16));
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169
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parents:
diff changeset
170 /* Decode the W-parameter. */
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parents:
diff changeset
171 cdc_decode_param (param_1024, w, ListBitLen, globs);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 * Decode and set the remaining channel number according the
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parents:
diff changeset
175 * algorithm described in GSM 4.08.
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parents:
diff changeset
176 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 cdc_decode_frequencies (1023, &w[0], 0, FDD_CI_LIST, globs);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178
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parents:
diff changeset
179 /* Free the dynamic allocated memory. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 MFREE (w);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 return 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 #endif /* !RUN_INT_RAM */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 #ifndef RUN_INT_RAM
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 +--------------------------------------------------------------------+
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 | PROJECT : CCD MODULE : cdc_fdd_ci_encode |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 +--------------------------------------------------------------------+
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 PURPOSE : Encoding function is not needed, since this message is
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 sent only from net to MS.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 It could be only useful for testing procedure if there
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 were an encoder function at this place.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 This will be a future work.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199 SHORT cdc_fdd_ci_encode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 #ifdef DEBUG_CCD
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203 TRACE_CCD (globs, "cdc_fdd_ci_encode()");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 #endif
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 #ifdef TARGET_WIN32
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 /* TBD */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 #endif
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 return 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 #endif /* !RUN_INT_RAM */