FreeCalypso > hg > freecalypso-citrine
diff g23m-gsm/alr/alr_rach.c @ 0:75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 09 Jun 2016 00:02:41 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/g23m-gsm/alr/alr_rach.c Thu Jun 09 00:02:41 2016 +0000 @@ -0,0 +1,434 @@ +/* ++----------------------------------------------------------------------------- +| Project : GSM-PS +| Modul : ALR_RACH ++----------------------------------------------------------------------------- +| 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 Modul defines the SDL process RACH_Control. ++----------------------------------------------------------------------------- +*/ + +#ifndef ALR_RACH_C +#define ALR_RACH_C + +#include "config.h" +#include "fixedconf.h" +#include "condat-features.h" + +#define ENTITY_PL + +/*==== INCLUDES ===================================================*/ +#include <string.h> +#include <stdlib.h> +#include <ctype.h> +#include "typedefs.h" +#include "pconst.cdg" +#include "mconst.cdg" +#include "message.h" +#include "ccdapi.h" +#include "vsi.h" +#include "custom.h" +#include "gsm.h" +#include "prim.h" +#include "cnf_alr.h" +#include "mon_alr.h" +#include "pei.h" +#include "tok.h" +#include "pcm.h" +#ifdef GPRS +#include "alr_gprs.h" +#endif + +#include "alr.h" +#include "alr_em.h" + +/*==== EXPORT =====================================================*/ +/*==== PRIVAT =====================================================*/ +LOCAL void rach_send_mphc_ra_req (T_MPH_RANDOM_ACCESS_REQ *random_req); +/*==== VARIABLES ==================================================*/ +#if defined (WIN32) +#define TRACING +#endif + +#if defined (TRACING) +#define ALR_TRACE_RACH(a) ALR_TRACE(a) +#else +#define ALR_TRACE_RACH(a) +#endif + +#if defined (TRACING) + +#define ALR_TRACE_RACH_CLASS(x) TRACE_EVENT_P1 ("class %d",x) +#define ALR_TRACE_RACH_POWER(p) TRACE_EVENT_P1 ("configured power = %d", p) + +#else + +#define ALR_TRACE_RACH_CLASS(x) +#define ALR_TRACE_RACH_POWER(p) + +#endif + +/*==== FUNCTIONS ==================================================*/ + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6103) MODULE : ALR_RACH | +| STATE : code ROUTINE : rach_init | ++--------------------------------------------------------------------+ + + PURPOSE : Initialize RACH Control Process. + +*/ + +GLOBAL void rach_init (void) +{ + GET_INSTANCE_DATA; + alr_data->state[STATE_RA] = RA_NULL; +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6103) MODULE : ALR_RACH | +| STATE : code ROUTINE : rach_configure_class | ++--------------------------------------------------------------------+ + + PURPOSE : Process signal rach_configure_class from SDL process + Main_Control. + +*/ +GLOBAL void rach_configure_class (UBYTE ms_class, + UBYTE dcs_class) +{ + GET_INSTANCE_DATA; + /* + * +1 because of interface difference between RR and TI + */ + alr_data->rach_data.ms_class = (UBYTE)(ms_class + 1); + alr_data->rach_data.dcs_class = (UBYTE)(dcs_class + 1); + + ALR_TRACE_RACH_CLASS (alr_data->rach_data.ms_class); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6103) MODULE : ALR_RACH | +| STATE : code ROUTINE : rach_configure_power | ++--------------------------------------------------------------------+ + + PURPOSE : Process signal rach_configure_power from SDL process + Main_Control. + +*/ + +GLOBAL void rach_configure_power (UBYTE power) +{ + GET_INSTANCE_DATA; + ALR_TRACE_RACH_POWER(power); + + alr_data->rach_data.max_tx_pwr_ccch = power; +} +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6103) MODULE : ALR_RACH | +| STATE : code ROUTINE : rach_stop | ++--------------------------------------------------------------------+ + + PURPOSE : Process signal rach_stop from SDL process + Main_Control. +*/ + +GLOBAL void rach_stop (void) +{ + GET_INSTANCE_DATA; + switch (GET_STATE (STATE_RA)) + { + case RA_ACTIVE: + ma_rach_stop_ra_req (); + /*lint -fallthrough*/ + case RA_LISTEN_TO_CCCH: + SET_STATE (STATE_RA, RA_NULL); + break; + + default: + break; + } +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6103) MODULE : ALR_RACH | +| STATE : code ROUTINE : rach_random_req | ++--------------------------------------------------------------------+ + + PURPOSE : Process signal rach_random_req from SDL process + Main_Control. + +*/ + +GLOBAL void rach_random_req (T_MPH_RANDOM_ACCESS_REQ *random_req) +{ + GET_INSTANCE_DATA; + switch (GET_STATE (STATE_RA)) + { + case RA_NULL: + if (random_req->send_mode.no NEQ 0) + { + rach_send_mphc_ra_req (random_req); + } + break; + + case RA_ACTIVE: + if (random_req->send_mode.no EQ 0) + { + + ALR_EM_STOP_CONNECTION_ESTABLISHMENT; + + SET_STATE (STATE_RA, RA_LISTEN_TO_CCCH); + ma_rach_stop_ra_req (); + } + else + { + /*stop to be safe */ + ma_rach_stop_ra_req (); + { + rach_send_mphc_ra_req (random_req); + } /*PALLOC*/ + } /* if */ + break; + default: + break; + } +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6103) MODULE : ALR_RACH | +| STATE : code ROUTINE : rach_ra_cnf | ++--------------------------------------------------------------------+ + + PURPOSE : Process signal rach_ra_cnf from SDL process + Main_Control. + +*/ + +GLOBAL void rach_ra_cnf (T_MPHC_RA_CON *ra_cnf) +{ + GET_INSTANCE_DATA; + UBYTE c_burst = alr_data->rach_data.c_burst-1; /* confirmed index */ + + switch (GET_STATE (STATE_RA)) + { + case RA_ACTIVE: + { + PALLOC (random_cnf, MPH_RANDOM_ACCESS_CNF); + + ra_cnf->fn %= 42432L; +#ifdef GPRS + alr_data->rach_data.t1[c_burst] = + random_cnf->frame_no.t1= + (UBYTE)((ra_cnf->fn / 1326) % 32); + alr_data->rach_data.t2[c_burst] = + random_cnf->frame_no.t2= + (UBYTE)(ra_cnf->fn % 26); + alr_data->rach_data.t3[c_burst] = + random_cnf->frame_no.t3= + (UBYTE)(ra_cnf->fn % 51); +#else + random_cnf->frame_no.t1= (UBYTE)((ra_cnf->fn / 1326) % 32); + random_cnf->frame_no.t2= (UBYTE)(ra_cnf->fn % 26); + random_cnf->frame_no.t3= (UBYTE)(ra_cnf->fn % 51); +#endif + ma_rach_random_cnf (random_cnf); + + c_burst++; /* next index */ + if (c_burst >= alr_data->rach_data.max_bursts) + {/* last index ? */ + SET_STATE (STATE_RA, RA_LISTEN_TO_CCCH); + ma_rach_stop_ra_req (); + #if !defined(TNNN_WITH_TIMER) + ma_fake_rr_report(); + #endif /* !TNNN_WITH_TIMER */ + } + else + { + PALLOC (ra_req, MPHC_RA_REQ); + + /* + * power limitation + */ + ra_req->txpwr = cut_power_value (alr_data->rach_data.max_tx_pwr_ccch, NULL); +#ifndef TI_PS_FF_QUAD_BAND_SUPPORT + ra_req->powerclass_gsm = alr_data->rach_data.ms_class; + ra_req->powerclass_dcs = alr_data->rach_data.dcs_class; +#endif + + /* + * Modification: Add 1 to the time of RR !!!! + */ + ra_req->rand = (UBYTE)(alr_data->rach_data.delta[c_burst]+1); + ra_req->channel_request = alr_data->rach_data.channel_request[c_burst]; + ma_rach_ra_req (ra_req); + alr_data->rach_data.c_burst++; /* the next index */ + } + break; + } + default: + break; + } +} + + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-PS (6103) MODULE : ALR_RACH | +| STATE : code ROUTINE : cut_power_value | ++--------------------------------------------------------------------+ + + PURPOSE : Cut the nominal maximum output power to the + associated power class. + (Reference for the tables with the associated + power classes, control levels and nominal output power + is 3GPP TS 05.05, 4.1) + +*/ + +GLOBAL UBYTE cut_power_value (UBYTE power, T_MPH_DEDICATED_REQ *mph_dedicated_req) +{ + GET_INSTANCE_DATA; + UBYTE new_power = power; + UBYTE sc_band; + + if(mph_dedicated_req == NULL) + { + sc_band = alr_data->sc_band; + } + else + { + if(mph_dedicated_req->ch_type.h) + sc_band = get_band(mph_dedicated_req->ch_type.ma[0]); + else + sc_band = get_band(mph_dedicated_req->ch_type.arfcn); + } + + switch (sc_band) + { + case BAND_GSM_900: + case BAND_E_GSM: + case BAND_GSM_850: + switch (alr_data->rach_data.ms_class) + { + case POW_CLASS_1: /* doesn't exist */ + case POW_CLASS_2: /* power class 2, 8W, 39 dBm, level 0..2 */ + /* highest level allowed => no cut necessary */ + break; + case POW_CLASS_3: /* power class 3, 5W, 37 dBm, level 3 */ + if (new_power < 3) + new_power = 3; + break; + case POW_CLASS_4: /* power class 4, 2W, 33 dBm, level 5 */ + if (new_power < 5) + new_power = 5; + break; + case POW_CLASS_5: /* power class 5, 0.8W, 29 dBm, level 7 */ + if (new_power < 7) + new_power = 7; + break; + } + break; + case BAND_DCS_1800: + switch (alr_data->rach_data.dcs_class) + { + case POW_CLASS_1: /* power class 1, 1W, 30 dBm, level 0 */ + if (new_power > 28) + new_power = 0; + break; + case POW_CLASS_2: /* power class 2, 0.25W, 24 dBm, level 3 */ + if (!INRANGE (3, new_power, 28)) + new_power = 3; + break; + case POW_CLASS_3: /* power class 3, 4W, 36 dBm , level 29 */ + /* highest level allowed => no cut necessary */ + break; + } + break; + case BAND_PCS_1900: + switch (alr_data->rach_data.dcs_class) + { + case POW_CLASS_1: /* power class 1, 1W, 30 dBm, level 0 */ + if (!INRANGE (0, new_power, 15)) + new_power = 0; + break; + case POW_CLASS_2: /* power class 2, 0.25W, 24 dBm, level 3 */ + if (!INRANGE (3, new_power, 15)) + new_power = 3; + break; + default: + case POW_CLASS_3: /* power class 3, 2W, 33 dBm , level 30 */ + /* highest level allowed => no cut necessary */ + break; + } + break; + } + return new_power; +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : MODULE : ALR_RACH | +| STATE : code ROUTINE : rach_send_mphc_ra_req | ++--------------------------------------------------------------------+ + +PURPOSE : Function to send the MPHC_RA_REQ primitive. + Called from function 'rach_random_req' + This function handles: + 1) Starts Random Burst Sending. + 2) Power limitation. + 3) Adds 1 to the time of RR. +*/ +LOCAL void rach_send_mphc_ra_req (T_MPH_RANDOM_ACCESS_REQ *random_req) +{ + GET_INSTANCE_DATA; + PALLOC (ra_req, MPHC_RA_REQ); + ALR_TRACE_RACH("rach_send_mphc_ra_req"); + ALR_EM_START_CONNECTION_ESTABLISHMENT; + + /* + * Start Random Burst Sending + */ + memcpy (alr_data->rach_data.delta, random_req->send_mode.delta, + sizeof (alr_data->rach_data.delta)); + memcpy (alr_data->rach_data.channel_request, random_req->send_mode.rach, + sizeof (alr_data->rach_data.channel_request)); + alr_data->rach_data.max_bursts = random_req->send_mode.no; + alr_data->rach_data.c_burst = 0; + /* + * power limitation + */ + ra_req->txpwr = cut_power_value (alr_data->rach_data.max_tx_pwr_ccch, NULL); +#ifndef TI_PS_FF_QUAD_BAND_SUPPORT + ra_req->powerclass_gsm = alr_data->rach_data.ms_class; + ra_req->powerclass_dcs = alr_data->rach_data.dcs_class; +#endif + + /* + * Modification: Add 1 to the time of RR !!!! + */ + ra_req->rand = (UBYTE)(alr_data->rach_data.delta[alr_data->rach_data.c_burst]+1); + ra_req->channel_request = alr_data->rach_data.channel_request[alr_data->rach_data.c_burst++]; + SET_STATE (STATE_RA, RA_ACTIVE); + ma_rach_ra_req (ra_req); +} + +#endif