FreeCalypso > hg > fc-magnetite

annotate src/g23m-gprs/grlc/grlc_measf.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 219afcfc6250
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : GPRS (8441)
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4 | Modul : GRLC
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2002 Texas Instruments Berlin, AG
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7 | All rights reserved.
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8 |
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9 | This file is confidential and a trade secret of Texas
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10 | Instruments Berlin, AG
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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 Berlin, AG.
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16 +-----------------------------------------------------------------------------
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17 | Purpose : This module implements local functions for service
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18 | MEAS of entity GRLC.
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19 +-----------------------------------------------------------------------------
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20 */
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21
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22 #ifndef GRLC_MEASF_C
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23 #define GRLC_MEASF_C
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24 #endif /* #ifndef GRLC_MEASF_C */
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25
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26 #define ENTITY_GRLC
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27
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28 /*==== INCLUDES =============================================================*/
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29
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30 #include "typedefs.h"
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31 #include "vsi.h"
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32 #include "macdef.h"
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33 #include "gprs.h"
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34 #include "gsm.h"
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35 #include "ccdapi.h"
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36 #include "prim.h"
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37 #include "message.h"
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38 #include "grlc.h"
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39 #include "grlc_measf.h"
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40
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41 /*==== CONST ================================================================*/
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42
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43 #define I_LEVEL_MIN I_LEVEL_0
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44 #define I_LEVEL_0 0 /* i.lev. is greater than C */
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45 #define I_LEVEL_15 15 /* i.lev. is less than or equal to C - 28 dB */
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46 #define I_LEVEL_MAX I_LEVEL_15
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47 #define I_LEVEL_GAMMA_0_SKIPPED 0xF0 /* used for tracing */
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48 #define I_LEVEL_GAMMA_1_SKIPPED 0xF1 /* used for tracing */
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49 #define I_LEVEL_GAMMA_2_SKIPPED 0xF2 /* used for tracing */
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50 #define I_LEVEL_GAMMA_3_SKIPPED 0xF3 /* used for tracing */
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51 #define I_LEVEL_STATE_MISMATCH 0xFD /* used for tracing */
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52 #define I_LEVEL_IDX_TO_SMALL 0xFE /* used for tracing */
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53 #define I_LEVEL_NOT_AVAIL 0xFF /* used for tracing */
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54
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55 /*==== LOCAL VARS ===========================================================*/
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56
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57 /*==== LOCAL TYPES===========================================================*/
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58
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59 /*==== PUBLIC FUNCTIONS =====================================================*/
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60 /*
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61 +------------------------------------------------------------------------------
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62 | Function : meas_c_calc_mean
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63 +------------------------------------------------------------------------------
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64 | Description : This function calculates the mean of the received signal level
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65 | of the four normal bursts that compose a block. It returns
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66 | the amount of bursts with valid receibed signal values.
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67 |
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68 | Parameters : burst_level - receive signal level of the first valid downlink
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69 | PDCH radio block
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70 | radio_freq - radio frequency of TDMA frame within a
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71 | radio block
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72 | ss_block - mean of the received signal level
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73 | pb_rdc - Pb reduction
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74 |
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75 +------------------------------------------------------------------------------
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76 */
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77 GLOBAL UBYTE meas_c_calc_mean ( UBYTE *burst_level,
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78 USHORT *radio_freq,
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79 ULONG *ss_block,
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80 UBYTE *pb_rdc,
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81 T_CGRLC_freq_param *freq_param )
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82 {
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83 UBYTE i; /* used for counting */
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84 UBYTE vld_smpl = 0; /* valid measurement samples */
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85
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86 TRACE_FUNCTION( "meas_c_calc_mean" );
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87
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88 *pb_rdc = 0;
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89 *ss_block = 0;
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90
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91 /* add up all measurement data */
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92 for( i = 0; i < MAC_BURST_PER_BLOCK; i++ )
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93 {
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94 if( burst_level[i] NEQ MAC_RXLEV_NONE )
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95 {
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96 vld_smpl++;
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97
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98 *ss_block += burst_level[i];
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99
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100 if( !( grlc_data->tm.freq_param.pdch_hopping EQ FALSE AND
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101 grlc_data->tm.freq_param.bcch_arfcn EQ radio_freq[i] ) )
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102 {
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103 *pb_rdc += 1;
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104 }
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105 }
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106 }
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107
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108 /* calculate the mean */
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109 if( vld_smpl )
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110 {
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111 *ss_block = ( *ss_block * MEAS_ACRCY ) / vld_smpl;
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112 }
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113
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114 return( vld_smpl );
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115 } /* meas_c_calc_mean() */
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116
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117 /*
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118 +------------------------------------------------------------------------------
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119 | Function : meas_int_fill_rel_iLevel
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120 +------------------------------------------------------------------------------
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121 | Description : ...
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122 |
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123 | Parameters : ...
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124 |
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125 +------------------------------------------------------------------------------
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126 */
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127 GLOBAL void meas_int_fill_rel_iLevel ( UBYTE *v_ilev,
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128 UBYTE *ilev,
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129 UBYTE idx,
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130 USHORT c_raw_data_lev )
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131 {
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132 UBYTE val; /* holds interference level data */
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133
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134 if( grlc_data->meas.ilev.ilev[idx] NEQ CGRLC_ILEV_NONE )
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135 {
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136 if( c_raw_data_lev < grlc_data->meas.ilev.ilev[idx] * MEAS_ACRCY )
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137 {
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138 *ilev = I_LEVEL_MIN;
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139 }
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140 else
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141 {
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142 val = ( c_raw_data_lev - grlc_data->meas.ilev.ilev[idx] * MEAS_ACRCY ) /
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143 ( 2 * MEAS_ACRCY ) + 1;
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144
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145 if( val > I_LEVEL_MAX ) *ilev = I_LEVEL_MAX;
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146 else *ilev = val;
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147 }
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148
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149 *v_ilev = TRUE;
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150 }
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151 else
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152 {
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153 *v_ilev = FALSE;
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154 }
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155 } /* meas_int_fill_rel_iLevel() */