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annotate src/gpf3/ccd/fdd_ci.c @ 662:8cd8fd15a095

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SIM speed enhancement re-enabled and made configurable TI's original code supported SIM speed enhancement, but Openmoko had it disabled, and OM's disabling of speed enhancement somehow caused certain SIM cards to start working which didn't work before (OM's bug #666). Because our FC community is much smaller in year 2020 than OM's community was in their day, we are not able to find one of those #666-affected SIMs, thus the real issue they had encountered remains elusive. Thus our solution is to re-enable SIM speed enhancement and simply wait for if and when someone runs into a #666-affected SIM once again. We provide a SIM_allow_speed_enhancement global variable that allows SIM speed enhancement to be enabled or disabled per session, and an /etc/SIM_spenh file in FFS that allows it to enabled or disabled on a non-volatile basis. SIM speed enhancement is now enabled by default.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 May 2020 05:02:28 +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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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 num_prolog_steps = calcidx[cix_ref].numPrologSteps;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 prolog_step_ref = calcidx[cix_ref].prologStepRef;
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Mychaela Falconia <falcon@freecalypso.org>
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:
diff changeset
123 * if this element have a defined Prolog
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 * we have to process it before decoding the bitstream
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
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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Mychaela Falconia <falcon@freecalypso.org>
parents:
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129 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 * First read NR_OF_FDD_CELLS (5 bits).
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
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:
diff changeset
136 ListSize = globs->pstruct[globs->pstructOffs++];
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 /* If n=0 there is nothing to do for this IE. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 if (!ListSize)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 return 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 /* Read the corresponding bit number or suppose the maximum length. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 if (ListSize <= 16)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 ListBitLen = params_bSize [ListSize];
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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148 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 else
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 /* If n>17 there is nothing to do for this IE. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 return 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 * Bit size for params is bigger than the size of unread bits in the
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 * message buffer. Danger: buffer overwriting!
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 if ( ListBitLen > globs->maxBitpos - globs->bitpos)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 ccd_recordFault (globs, ERR_ELEM_LEN, BREAK, (USHORT) e_ref,
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 globs->pstruct + globs->pstructOffs);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 ListBitLen = (U16)(globs->maxBitpos - globs->bitpos);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 /*
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Mychaela Falconia <falcon@freecalypso.org>
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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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 /* Decode the W-parameter. */
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Mychaela Falconia <falcon@freecalypso.org>
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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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 * algorithm described in GSM 4.08.
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Mychaela Falconia <falcon@freecalypso.org>
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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Mychaela Falconia <falcon@freecalypso.org>
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 }
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
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
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
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
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
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.
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 */
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
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 {
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
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()");
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 #endif
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
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
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 return 1;
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209 }
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 #endif /* !RUN_INT_RAM */