FreeCalypso > hg > fc-magnetite

annotate src/gpf3/ccd/tdd_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 : 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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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 * if this element have a defined Prolog
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 * we have to process it before decoding the bitstream
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 if (num_prolog_steps)
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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 ccd_performOperations (num_prolog_steps, prolog_step_ref, globs);
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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
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 * First read NR_OF_TDD_CELLS (5 bits).
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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 globs->pstructOffs = melem[e_ref].structOffs;;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 bf_readBits (5, globs);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 ListSize = globs->pstruct[globs->pstructOffs++];
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 /* If n=0 there is nothing to do for this IE. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 if (!ListSize)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 return 1;
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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
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 /* Read the corresponding bit number or suppose the maximum length. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 if (ListSize <= 20)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 ListBitLen = params_bSize [ListSize];
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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 else
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 /* If n>20 there is nothing to do for this IE. */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 return 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 * 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
154 * message buffer. Danger: buffer overwriting!
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 if ( ListBitLen > globs->maxBitpos - globs->bitpos)
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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 ccd_recordFault (globs, ERR_ELEM_LEN, BREAK, (USHORT) e_ref,
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 globs->pstruct + globs->pstructOffs);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 ListBitLen = (U16)(globs->maxBitpos - globs->bitpos);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
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:
diff changeset
164 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 MALLOC (w, 257 * sizeof (U16));
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166
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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 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 * Decode the W-parameter.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 * As a rule for this type w(0) must be 0.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 w[0] = 0;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
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:
diff changeset
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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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 * algorithm described in GSM 4.08.
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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 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:
diff changeset
182 MFREE (w);
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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 return 1;
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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 #endif /* !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 #ifndef RUN_INT_RAM
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 /*
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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 | PROJECT : CCD MODULE : cdc_tdd_ci_encode |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
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
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
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
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 were an encoder function at this place.
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 This will be a future work.
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Mychaela Falconia <falcon@freecalypso.org>
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
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
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 {
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 #ifdef DEBUG_CCD
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Mychaela Falconia <falcon@freecalypso.org>
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
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 return 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 }
c41a534f33c6 src/gpf3: preened GPF goo from TCS3.2
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 #endif /* !RUN_INT_RAM */