FreeCalypso > hg > fc-tourmaline

annotate src/g23m-gprs/grlc/grlc_measf.c @ 75:8697f358f505

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backlight rework: Condat light driver accepts levels The present change is another intermediate step on the path toward new FreeCalypso backlight handling. At this intermediate step the Condat light driver accepts 0-255 backlight levels driven by MFW, and puts them out on PWL on Luna development boards. At the same time on C139 it is now possible to turn on the display backlight with or without the keypad bl - the lsb of the 0-255 backlight level controls the keypad bl. MFW presently drives only 0 and 255 backlight levels, thus there is no visible behavioral change yet - but the plan for subsequent stages of this backlight rework is to add a dimmed backlight state (no keypad bl on C139) during active calls.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 24 Oct 2020 20:44:04 +0000
parents fa8dc04885d8
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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Mychaela Falconia <falcon@freecalypso.org>
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diff changeset
132 UBYTE val; /* holds interference level data */
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 if( grlc_data->meas.ilev.ilev[idx] NEQ CGRLC_ILEV_NONE )
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 if( c_raw_data_lev < grlc_data->meas.ilev.ilev[idx] * MEAS_ACRCY )
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 *ilev = I_LEVEL_MIN;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 else
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 val = ( c_raw_data_lev - grlc_data->meas.ilev.ilev[idx] * MEAS_ACRCY ) /
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 ( 2 * MEAS_ACRCY ) + 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 if( val > I_LEVEL_MAX ) *ilev = I_LEVEL_MAX;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 else *ilev = val;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 *v_ilev = TRUE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 else
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 {
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 *v_ilev = FALSE;
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 }
fa8dc04885d8 src/g23m-*: import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 } /* meas_int_fill_rel_iLevel() */