FreeCalypso > hg > fc-magnetite
diff src/g23m-gprs/grlc/grlc_measf.c @ 183:219afcfc6250
src/g23m-gprs: initial import from TCS3.2/LoCosto
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 13 Oct 2016 04:24:13 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/g23m-gprs/grlc/grlc_measf.c Thu Oct 13 04:24:13 2016 +0000 @@ -0,0 +1,155 @@ +/* ++----------------------------------------------------------------------------- +| Project : GPRS (8441) +| Modul : GRLC ++----------------------------------------------------------------------------- +| Copyright 2002 Texas Instruments Berlin, AG +| All rights reserved. +| +| This file is confidential and a trade secret of Texas +| Instruments Berlin, AG +| The receipt of or possession of this file does not convey +| any rights to reproduce or disclose its contents or to +| manufacture, use, or sell anything it may describe, in +| whole, or in part, without the specific written consent of +| Texas Instruments Berlin, AG. ++----------------------------------------------------------------------------- +| Purpose : This module implements local functions for service +| MEAS of entity GRLC. ++----------------------------------------------------------------------------- +*/ + +#ifndef GRLC_MEASF_C +#define GRLC_MEASF_C +#endif /* #ifndef GRLC_MEASF_C */ + +#define ENTITY_GRLC + +/*==== INCLUDES =============================================================*/ + +#include "typedefs.h" +#include "vsi.h" +#include "macdef.h" +#include "gprs.h" +#include "gsm.h" +#include "ccdapi.h" +#include "prim.h" +#include "message.h" +#include "grlc.h" +#include "grlc_measf.h" + +/*==== CONST ================================================================*/ + +#define I_LEVEL_MIN I_LEVEL_0 +#define I_LEVEL_0 0 /* i.lev. is greater than C */ +#define I_LEVEL_15 15 /* i.lev. is less than or equal to C - 28 dB */ +#define I_LEVEL_MAX I_LEVEL_15 +#define I_LEVEL_GAMMA_0_SKIPPED 0xF0 /* used for tracing */ +#define I_LEVEL_GAMMA_1_SKIPPED 0xF1 /* used for tracing */ +#define I_LEVEL_GAMMA_2_SKIPPED 0xF2 /* used for tracing */ +#define I_LEVEL_GAMMA_3_SKIPPED 0xF3 /* used for tracing */ +#define I_LEVEL_STATE_MISMATCH 0xFD /* used for tracing */ +#define I_LEVEL_IDX_TO_SMALL 0xFE /* used for tracing */ +#define I_LEVEL_NOT_AVAIL 0xFF /* used for tracing */ + +/*==== LOCAL VARS ===========================================================*/ + +/*==== LOCAL TYPES===========================================================*/ + +/*==== PUBLIC FUNCTIONS =====================================================*/ +/* ++------------------------------------------------------------------------------ +| Function : meas_c_calc_mean ++------------------------------------------------------------------------------ +| Description : This function calculates the mean of the received signal level +| of the four normal bursts that compose a block. It returns +| the amount of bursts with valid receibed signal values. +| +| Parameters : burst_level - receive signal level of the first valid downlink +| PDCH radio block +| radio_freq - radio frequency of TDMA frame within a +| radio block +| ss_block - mean of the received signal level +| pb_rdc - Pb reduction +| ++------------------------------------------------------------------------------ +*/ +GLOBAL UBYTE meas_c_calc_mean ( UBYTE *burst_level, + USHORT *radio_freq, + ULONG *ss_block, + UBYTE *pb_rdc, + T_CGRLC_freq_param *freq_param ) +{ + UBYTE i; /* used for counting */ + UBYTE vld_smpl = 0; /* valid measurement samples */ + + TRACE_FUNCTION( "meas_c_calc_mean" ); + + *pb_rdc = 0; + *ss_block = 0; + + /* add up all measurement data */ + for( i = 0; i < MAC_BURST_PER_BLOCK; i++ ) + { + if( burst_level[i] NEQ MAC_RXLEV_NONE ) + { + vld_smpl++; + + *ss_block += burst_level[i]; + + if( !( grlc_data->tm.freq_param.pdch_hopping EQ FALSE AND + grlc_data->tm.freq_param.bcch_arfcn EQ radio_freq[i] ) ) + { + *pb_rdc += 1; + } + } + } + + /* calculate the mean */ + if( vld_smpl ) + { + *ss_block = ( *ss_block * MEAS_ACRCY ) / vld_smpl; + } + + return( vld_smpl ); +} /* meas_c_calc_mean() */ + +/* ++------------------------------------------------------------------------------ +| Function : meas_int_fill_rel_iLevel ++------------------------------------------------------------------------------ +| Description : ... +| +| Parameters : ... +| ++------------------------------------------------------------------------------ +*/ +GLOBAL void meas_int_fill_rel_iLevel ( UBYTE *v_ilev, + UBYTE *ilev, + UBYTE idx, + USHORT c_raw_data_lev ) +{ + UBYTE val; /* holds interference level data */ + + if( grlc_data->meas.ilev.ilev[idx] NEQ CGRLC_ILEV_NONE ) + { + if( c_raw_data_lev < grlc_data->meas.ilev.ilev[idx] * MEAS_ACRCY ) + { + *ilev = I_LEVEL_MIN; + } + else + { + val = ( c_raw_data_lev - grlc_data->meas.ilev.ilev[idx] * MEAS_ACRCY ) / + ( 2 * MEAS_ACRCY ) + 1; + + if( val > I_LEVEL_MAX ) *ilev = I_LEVEL_MAX; + else *ilev = val; + } + + *v_ilev = TRUE; + } + else + { + *v_ilev = FALSE; + } +} /* meas_int_fill_rel_iLevel() */