FreeCalypso > hg > fc-magnetite

annotate src/gpf3/ccd/tdd_ci.c @ 686:59f07d67eb45

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luna target split into luna1 and luna2 luna1 is FC Luna based on iWOW DSK v4.0 or v5.0 motherboard luna2 is FC Luna based on FC Caramel2 MB
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 12 Oct 2020 18:51:24 +0000
parents c41a534f33c6
children
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rev   line source
2
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : CCD
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4 | Modul : tdd_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 TDD_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 /*
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34 * Prototypes of ccd internal functions
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35 */
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36 #include "ccd.h"
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37 #include "bitfun.h"
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38
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39 /*
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40 * Declaration of coder/decoder tables
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41 */
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42 #include "ccdtable.h"
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43 /*
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44 * Function prototypes of CCD-CCDDATA interface
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45 */
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46 #include "ccddata.h"
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47
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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_tdd_ci_decode */
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55 static const U8 params_bSize[21] =
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56 {
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57 0,
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58 9,
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59 17, 25,
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60 32, 39, 46, 53,
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61 59, 65, 71, 77, 83, 89, 95, 101,
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62 106, 111, 116, 121, 126
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63 };
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64 /*
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65 +--------------------------------------------------------------------+
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66 | PROJECT : CCD MODULE : cdc_tdd_ci_decode |
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67 +--------------------------------------------------------------------+
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68
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69 PURPOSE : Decoding of the TDD_CELL_INFORMATION Field reusing
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70 RANGE 511 format of frequency lists (with w0=0.).
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71 This field allows to compute a set of 9-bit-long
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72 TDD_CELL_INFORMATION aprameters.
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73 The IE is preceded by TDD_Indic0(1 bit) and made of the
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74 following two IEs:
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75 1) NR_OF_TDD_CELLS(5 bit field),
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76 2) TDD_CELL_INFORMATION information parameters
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77
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78 TDD_Indic0 indicates if the parameter value '0000000000'
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79 is a member of the set.
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80 The total number of bits q of this field depends on the
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81 value of the parameter NR_OF_TDD_CELLS = m
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82 as follows (with q=0 if m=0):
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83 m q m q m q m q m q
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84 0 0 5 39 10 71 15 101 20 126
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85 1 9 6 46 11 77 16 106 21-31 0
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86 2 17 7 53 12 83 17 111
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87 3 25 8 59 13 89 18 116
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88 4 32 9 65 14 95 19 121
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89
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90 The message is sent from net to MS and a MS supporting
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91 enhanced measurements has to understand it.
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92
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93 The space this IE takes in the C-structure is made of a
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94 counter for the number of decoded parameter and an array
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95 of them.
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96 */
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97
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98 SHORT cdc_tdd_ci_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs)
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99 {
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100 U8 ListSize = 0;
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101 U16 ListBitLen = 0;
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102 ULONG cix_ref, num_prolog_steps, prolog_step_ref;
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103 short *w;
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104
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105 #ifdef DEBUG_CCD
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106 TRACE_CCD (globs, "cdc_tdd_ci_decode()");
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107 #ifdef CCD_SYMBOLS
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108 TRACE_CCD (globs, "decoding list %s with range 512 format",
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109 ccddata_get_alias((USHORT) e_ref, 1));
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110 #else
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111 TRACE_CCD (globs, "decoding list %d of range 512 format", melem[e_ref].elemRef);
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112 #endif
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113 #endif
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114
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115 globs->SeekTLVExt = FALSE;
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116 cix_ref = melem[e_ref].calcIdxRef;
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117 num_prolog_steps = calcidx[cix_ref].numPrologSteps;
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118 prolog_step_ref = calcidx[cix_ref].prologStepRef;
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119
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120 /*
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parents:
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121 * if this element have a defined Prolog
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parents:
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122 * we have to process it before decoding the bitstream
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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123 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 if (num_prolog_steps)
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parents:
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125 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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126 ccd_performOperations (num_prolog_steps, prolog_step_ref, globs);
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parents:
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127 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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128
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parents:
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129 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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130 * First read NR_OF_TDD_CELLS (5 bits).
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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131 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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132 globs->pstructOffs = melem[e_ref].structOffs;;
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parents:
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133 bf_readBits (5, globs);
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134 ListSize = globs->pstruct[globs->pstructOffs++];
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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135
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parents:
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136 /* If n=0 there is nothing to do for this IE. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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137 if (!ListSize)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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138 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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139 return 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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140 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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141
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parents:
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142 /* Read the corresponding bit number or suppose the maximum length. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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143 if (ListSize <= 20)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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144 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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145 ListBitLen = params_bSize [ListSize];
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parents:
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146 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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147 else
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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148 {
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parents:
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149 /* If n>20 there is nothing to do for this IE. */
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parents:
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150 return 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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151 }
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parents:
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152 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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153 * Bit size for params is bigger than the size of unread bits in the
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parents:
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154 * message buffer. Danger: buffer overwriting!
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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155 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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156 if ( ListBitLen > globs->maxBitpos - globs->bitpos)
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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:
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158 ccd_recordFault (globs, ERR_ELEM_LEN, BREAK, (USHORT) e_ref,
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parents:
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159 globs->pstruct + globs->pstructOffs);
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parents:
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160 ListBitLen = (U16)(globs->maxBitpos - globs->bitpos);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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161 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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162 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 * Use dynamic memory for calculation instead of global memory or stack.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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164 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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165 MALLOC (w, 257 * sizeof (U16));
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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166
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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168 /*
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parents:
diff changeset
169 * Decode the W-parameter.
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parents:
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170 * As a rule for this type w(0) must be 0.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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171 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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172 w[0] = 0;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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173 cdc_decode_param (param_512+1, &w[1], ListBitLen, globs);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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175 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 * Decode and set the remaining channel number according the
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parents:
diff changeset
177 * algorithm described in GSM 4.08.
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parents:
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178 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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179 cdc_decode_frequencies (511, &w[1], 0, TDD_CI_LIST, globs);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 /* Free the dynamic allocated memory. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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182 MFREE (w);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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183
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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184 return 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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185 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186 #endif /* !RUN_INT_RAM */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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187
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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188 #ifndef RUN_INT_RAM
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parents:
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189 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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190 +--------------------------------------------------------------------+
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parents:
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191 | PROJECT : CCD MODULE : cdc_tdd_ci_encode |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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192 +--------------------------------------------------------------------+
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 PURPOSE : Encoding function is not needed, since this message is
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 sent from net to MS.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 It could be only useful for testing procedure if there
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 were an encoder function at this place.
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parents:
diff changeset
198 This will be a future work.
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parents:
diff changeset
199
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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 SHORT cdc_tdd_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
203 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 #ifdef DEBUG_CCD
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parents:
diff changeset
206 TRACE_CCD (globs, "cdc_tdd_ci_encode()");
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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 #ifdef TARGET_WIN32
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 /* TBD */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 #endif
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 return 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 #endif /* !RUN_INT_RAM */