line source
/*
+-----------------------------------------------------------------------------
| Project : GSM-F&D (8411)
| Modul : RA_FAX
+-----------------------------------------------------------------------------
| 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 functions for the faxnsparent
| data model for the component RA of the mobile station
+-----------------------------------------------------------------------------
*/
#ifndef RA_FAX_C
#define RA_FAX_C
#endif
#define ENTITY_RA
/*==== INCLUDES ===================================================*/
#include <string.h>
#include "typedefs.h"
#include "vsi.h"
#include "macdef.h"
#include "pconst.cdg"
#include "custom.h"
#include "gsm.h"
#include "cnf_ra.h"
#include "prim.h"
#include "pei.h"
#include "tok.h"
#include "ccdapi.h"
#include "ra.h"
/*==== CONST ======================================================*/
LOCAL const T_SKIP skip_F14400 [4] =
{
/* T4DATA same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* T4DATA other */ {0, 1, 0, 1, 0, 1, 0, 1}},
/* STATUS same */ {{0, 0, 1, 0, 0, 0, 1, 0},
/* STATUS other */ {1, 1, 1, 0, 1, 1, 1, 0}},
/* SYNC same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* SYNC other */ {1, 0, 1, 0, 1, 0, 1, 0}},
/* TRAIN same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* TRAIN other */ {1, 1, 1, 0, 1, 1, 1, 0}}
};
LOCAL const UBYTE request_F14400 [4] =
{
5,4,5,4
};
LOCAL const T_SKIP skip_F9600 [4] =
{
/* T4DATA same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* T4DATA other */ {0, 0, 0, 0, 0, 0, 0, 0}},
/* STATUS same */ {{0, 0, 0, 1, 0, 0, 0, 1},
/* STATUS other */ {0, 1, 1, 1, 0, 1, 1, 1}},
/* SYNC same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* SYNC other */ {0, 0, 0, 0, 0, 0, 0, 0}},
/* TRAIN same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* TRAIN other */ {0, 1, 0, 1, 0, 1, 0, 1}}
};
LOCAL const UBYTE request_F9600 [4] =
{
3,3,3,3
};
LOCAL const T_SKIP skip_F4800 [4] =
{
/* T4DATA same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* T4DATA other */ {0, 1, 0, 1, 0, 1, 0, 1}},
/* STATUS same */ {{0, 0, 0, 1, 0, 0, 0, 1},
/* STATUS other */ {0, 1, 1, 1, 0, 1, 1, 1}},
/* SYNC same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* SYNC other */ {0, 1, 0, 1, 0, 1, 0, 1}},
/* TRAIN same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* TRAIN other */ {0, 1, 1, 1, 0, 1, 1, 1}}
};
LOCAL const UBYTE request_F4800 [4] =
{
2,1,2,1
};
LOCAL const T_SKIP skip_F2400 [4] =
{
/* T4DATA same */ {{0, 0, 0, 1, 0, 0, 0, 1},
/* T4DATA other */ {0, 1, 1, 1, 0, 1, 1, 1}},
/* STATUS same */ {{0, 0, 0, 1, 0, 0, 0, 1},
/* STATUS other */ {0, 1, 1, 1, 0, 1, 1, 1}},
/* SYNC same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* SYNC other */ {0, 1, 1, 1, 0, 1, 1, 1}},
/* TRAIN same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* TRAIN other */ {0, 1, 1, 1, 1, 1, 1, 1}}
};
LOCAL const UBYTE request_F2400 [4] =
{
1,1,1,1
};
LOCAL const T_SKIP skip_H4800 [4] =
{
/* T4DATA same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* T4DATA other */ {0, 1, 0, 1, 0, 1, 0, 1}},
/* STATUS same */ {{0, 0, 0, 1, 0, 0, 0, 1},
/* STATUS other */ {0, 1, 1, 1, 0, 1, 1, 1}},
/* SYNC same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* SYNC other */ {0, 1, 0, 1, 0, 1, 0, 1}},
/* TRAIN same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* TRAIN other */ {0, 1, 1, 1, 0, 1, 1, 1}}
};
LOCAL const UBYTE request_H4800 [4] =
{
2,1,2,1
};
LOCAL const T_SKIP skip_H2400 [4] =
{
/* T4DATA same */ {{0, 0, 0, 1, 0, 0, 0, 1},
/* T4DATA other */ {0, 1, 1, 1, 0, 1, 1, 1}},
/* STATUS same */ {{0, 0, 0, 1, 0, 0, 0, 1},
/* STATUS other */ {0, 1, 1, 1, 0, 1, 1, 1}},
/* SYNC same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* SYNC other */ {0, 1, 1, 1, 0, 1, 1, 1}},
/* TRAIN same */ {{0, 0, 0, 0, 0, 0, 0, 0},
/* TRAIN other */ {0, 1, 1, 1, 1, 1, 1, 1}}
};
LOCAL const UBYTE request_H2400 [4] =
{
1,1,1,1
};
/*==== TYPES ======================================================*/
/*==== VARIABLES ==================================================*/
/*==== FUNCTIONS ==================================================*/
#if defined TRACE_RA_FAX_UL_FRAME_TYPE || defined _SIMULATION_
LOCAL void trace_ra_fax_ul_frame_type(USHORT cus_frame_type, UBYTE* buf1, USHORT bytes_to_write)
{
const char type[5] = "DSYT";
char buf[15] = "TISx:0x00-0x00";
if (cus_frame_type < 4)
buf[3] = type[cus_frame_type];
if (buf1)
BYTE2HEXSTR(*(buf1+1), &buf[7]);
BYTE2HEXSTR((UBYTE)bytes_to_write, &buf[12]);
TRACE_EVENT (buf);
}
#endif
#if defined TRACE_RA_FAX_DL_FRAME_TYPE || defined _SIMULATION_
LOCAL void trace_ra_fax_dl_frame_type(U8 *last, U8 current, USHORT bytes_read)
{
void t30_ker_debug(CHAR *header, UBYTE *buf, USHORT len);
const char type[5] = "DSYT";
char buf[15] = "TIRx:0x00-0x__";
if (*last NEQ current)
{
if (current < 4)
buf[3] = type[current];
TRACE_EVENT (buf);
*last = current;
}
else if (bytes_read)
{
if (current EQ 0)
{
t30_ker_debug("TIRD", ra_data->fax->dl_pFD->buf, bytes_read);
}
else
{
if (current < 4)
buf[3] = type[current];
BYTE2HEXSTR((UBYTE)bytes_read, &buf[7]);
if (current EQ 1)
BYTE2HEXSTR(ra_data->fax->dl_pFD->buf[1], &buf[12]);
TRACE_EVENT (buf);
}
}
}
#endif
LOCAL void fax_init_data(BOOL CMM_flag)
{
T_FAX *dfax = ra_data->fax;
/*
* initialize the fax mode data
*/
ra_data->sync_timer = 0L;
ra_data->cycle_time = 0L;
dfax->CMM_flag = CMM_flag;
dfax->ul_frame_type_last = FR_SYNC;
dfax->ul_frame_type = FR_SYNC;
dfax->ul_pFD = NULL;
cl_ribu_init(&dfax->ul_ribu->idx, RA_FIFO_DEPTH);
#if defined TRACE_RA_FAX_DL_FRAME_TYPE || defined _SIMULATION_
dfax->dl_frame_type_last = 0xFF;
dfax->dl_state_last = 0xFF;
#endif
dfax->req_idx = 0;
dfax->seq_idx = 0;
dfax->ul_train_FD.buf = dfax->train_seq;
dfax->ul_train_FD.len = 2;
ra_data->ra_data_ind.fr_type = FR_INVALID;
ra_data->ra_data_ind.sdu.o_buf = 0;
ra_data->ra_data_ind.sdu.l_buf = 0;
ra_data->ra_ready_ind[0].req_frames = 0;
}
/*
+--------------------------------------------------------------------+
| PROJECT : GSM-F&D (8411) MODULE : RA_FAX |
| STATE : code ROUTINE : fax_init |
+--------------------------------------------------------------------+
PURPOSE :
*/
GLOBAL void fax_init(void)
{
TRACE_FUNCTION("fax_init");
fax_init_data(FALSE); /* no CMM */
hCommFAD = vsi_c_open ( VSI_CALLER FAD_NAME );
hCommMMI = vsi_c_open ( VSI_CALLER ACI_NAME );
}
/*
+--------------------------------------------------------------------+
| PROJECT : GSM-F&D (8411) MODULE : RA_FAX |
| STATE : code ROUTINE : fax_ul_modify |
+--------------------------------------------------------------------+
PURPOSE :
*/
GLOBAL void fax_ul_modify(void)
{
TRACE_EVENT("fax_ul_modify()");
fax_init_data(TRUE); /* CMM */
fax_ul_null();
return;
}
/*
+--------------------------------------------------------------------+
| PROJECT : GSM-F&D (8411) MODULE : RA_FAX |
| STATE : code ROUTINE : fax_idle |
+--------------------------------------------------------------------+
PURPOSE : IDLE processing for uplink and downlink fax mode
*/
GLOBAL void fax_idle(void)
{
}
/*
+--------------------------------------------------------------------+
| PROJECT : GSM-F&D (8411) MODULE : RA_FAX |
| STATE : code ROUTINE : fax_ul_null |
+--------------------------------------------------------------------+
PURPOSE :
*/
GLOBAL void fax_ul_null(void)
{
T_FAX *dfax = ra_data->fax;
TRACE_FUNCTION("fax_ul_null");
if (ra_data->activated)
{
/*
* setup the communication parameters
*/
shm_set_dsp_value (conf_b_itc, V_ITC_FAX);
switch (ra_data->nsb)
{
case 1:
shm_set_dsp_value (conf_b_nsb, V_NSB_ONE_STOP);
break;
case 2:
shm_set_dsp_value (conf_b_nsb, V_NSB_TWO_STOP);
break;
default:
break;
}
switch (ra_data->ndb)
{
case 7:
shm_set_dsp_value (conf_b_ndb, V_NDMSK_B_7_DBITS);
break;
case 8:
shm_set_dsp_value (conf_b_ndb, V_NDMSK_B_8_DBITS);
break;
default:
break;
}
shm_set_dsp_value (conf_b_ce, V_CE_TRANSP);
switch (ra_data->tra_rate)
{
case TRA_FULLRATE_14400:
dfax->skip_seq = &skip_F14400[0];
dfax->req_seq = &request_F14400[0];
shm_set_dsp_value (conf_b_ct, V_CT_FR);
shm_set_dsp_value (conf_b_ur, V_UR_14400);
ra_data->cycle_time = 20;
break;
case TRA_FULLRATE_9600:
dfax->skip_seq = &skip_F9600[0];
dfax->req_seq = &request_F9600[0];
shm_set_dsp_value (conf_b_ur, V_UR_9600);
shm_set_dsp_value (conf_b_ct, V_CT_FR);
ra_data->cycle_time = 20;
break;
case TRA_FULLRATE_4800:
dfax->skip_seq = &skip_F4800[0];
dfax->req_seq = &request_F4800[0];
shm_set_dsp_value (conf_b_ur, V_UR_4800);
shm_set_dsp_value (conf_b_ct, V_CT_FR);
ra_data->cycle_time = 20;
break;
case TRA_FULLRATE_2400:
dfax->skip_seq = &skip_F2400[0];
dfax->req_seq = &request_F2400[0];
shm_set_dsp_value (conf_b_ur, V_UR_2400);
shm_set_dsp_value (conf_b_ct, V_CT_FR);
ra_data->cycle_time = 20;
break;
case TRA_HALFRATE_4800:
dfax->skip_seq = &skip_H4800[0];
dfax->req_seq = &request_H4800[0];
shm_set_dsp_value (conf_b_ur, V_UR_4800);
shm_set_dsp_value (conf_b_ct, V_CT_HR);
ra_data->cycle_time = 40;
break;
case TRA_HALFRATE_2400:
dfax->skip_seq = &skip_H2400[0];
dfax->req_seq = &request_H2400[0];
shm_set_dsp_value (conf_b_ur, V_UR_2400);
shm_set_dsp_value (conf_b_ct, V_CT_HR);
ra_data->cycle_time = 40;
break;
default:
TRACE_EVENT ("Unknown transmission rate");
ra_data->cycle_time = 20;
break;
}
shm_set_dsp_value (fax_b_data_receive, 1);
/*
* set uplink buffer to empty values
*/
shm_set_dsp_value (faxd_byte_cnt, 0);
shm_set_dsp_value (faxu_byte_cnt, 0);
shm_set_dsp_value (faxu_control, V_CTRL_SYNC);
/*
* start initialisation process in F&D L1
*/
/*
* enable status frame detection in L1
* and set the biterror thresholds for the status frame detection
*/
shm_set_dsp_value (fax_b_status_stop, 0);
shm_set_dsp_value (fax_b_status_detect, 1);
shm_set_dsp_value (fax_b_ident_thres, 3);
shm_set_dsp_value (fax_b_info_thres, 3);
shm_set_dsp_value (fax_b_status_receive, 0);
shm_set_dsp_value (fax_b_byte_interface, 1);
shm_set_dsp_value (faxu_byte_cnt, 0);
shm_set_dsp_value (act_b_init, 1);
shm_set_dsp_value (act_b_syncul, 1);
shm_set_dsp_value (act_b_syncdl, 1);
INIT_STATE (KER, FAX_INIT_L1);
#if defined TRACE_RA_FAX_DL_FRAME_TYPE || defined _SIMULATION_
if (dfax->dl_state_last NEQ ra_data->ker.state)
{
TRACE_EVENT_P2("KER:FAX_%d -> FAX_%d", dfax->dl_state_last, ra_data->ker.state);
dfax->dl_state_last = ra_data->ker.state;
}
#endif
#ifdef HO_WORKAROUND /* fax_ul_null */
_act_d_ra_conf = *ra_data->shm.shm_addr[d_ra_conf];
TRACE_EVENT_P1("d_ra_conf saved; rate=%d", ra_data->tra_rate);
#endif
}
}
/*
+--------------------------------------------------------------------+
| PROJECT : GSM-F&D (8411) MODULE : RA_FAX |
| STATE : code ROUTINE : fax_ul_init_l1 |
+--------------------------------------------------------------------+
PURPOSE :
*/
GLOBAL void fax_ul_init_l1(void)
{
TRACE_FUNCTION("fax_ul_init_l1");
if (shm_get_dsp_value(act_b_init) EQ 0) /* Indicates initialization of IDS module */
{
/*
* L1 F&D initialized; start ul/dl synchronisation
*/
SET_STATE (KER, FAX_SYNCH_TCH_START);
#if defined TRACE_RA_FAX_DL_FRAME_TYPE || defined _SIMULATION_
if (ra_data->fax->dl_state_last NEQ ra_data->ker.state)
{
TRACE_EVENT_P2("KER:FAX_%d -> FAX_%d", ra_data->fax->dl_state_last, ra_data->ker.state);
ra_data->fax->dl_state_last = ra_data->ker.state;
}
#endif
}
}
/*
+--------------------------------------------------------------------+
| PROJECT : GSM-F&D (8411) MODULE : RA_FAX |
| STATE : code ROUTINE : fax_dl_sync_tch_start |
+--------------------------------------------------------------------+
PURPOSE :
*/
GLOBAL void fax_dl_sync_tch_start(void)
{
TRACE_FUNCTION("fax_dl_sync_tch_start");
if (shm_get_dsp_value (statd_b_syncdet) EQ 1)
{
/*
* Detection of sync frames, synchro. on M1 sequence.
* Start a pseudo timer with 500 ms.
* The value is decremented by cycle_time
* each time the L1 calls the dll_data_ul function
*/
ra_data->sync_timer = 500L;
SET_STATE (KER, FAX_SYNCH_TCH_FOUND);
#if defined TRACE_RA_FAX_DL_FRAME_TYPE || defined _SIMULATION_
if (ra_data->fax->dl_state_last NEQ ra_data->ker.state)
{
TRACE_EVENT_P2("KER:FAX_%d -> FAX_%d", ra_data->fax->dl_state_last, ra_data->ker.state);
ra_data->fax->dl_state_last = ra_data->ker.state;
}
#endif
}
}
/*
+--------------------------------------------------------------------+
| PROJECT : GSM-F&D (8411) MODULE : RA_FAX |
| STATE : code ROUTINE : fax_ul_sync_tch_found |
+--------------------------------------------------------------------+
PURPOSE :
*/
GLOBAL void fax_ul_sync_tch_found(void)
{
T_FAX *dfax = ra_data->fax;
TRACE_FUNCTION("fax_ul_sync_tch_found");
if (TimeOut(&ra_data->sync_timer) NEQ TRUE)
return;
/*
* timeout of the sync timer - reset the sync-detection flags
*/
shm_set_dsp_value (act_b_syncul, 0);
shm_set_dsp_value (act_b_syncdl, 0);
if (ra_data->tra_rate NEQ TRA_FULLRATE_14400)
{
/*
* setup uplink buffer to send SYNC frames
*/
shm_set_dsp_value (faxu_byte_cnt, 0);
shm_set_dsp_value (faxu_control, V_CTRL_SYNC);
dfax->seq_idx = 0;
SET_STATE (KER, FAX_WAIT_SYNC_LOST);
#if defined TRACE_RA_FAX_DL_FRAME_TYPE || defined _SIMULATION_
if (dfax->dl_state_last NEQ ra_data->ker.state)
{
TRACE_EVENT_P2("KER:FAX_%d -> FAX_%d", dfax->dl_state_last, ra_data->ker.state);
dfax->dl_state_last = ra_data->ker.state;
}
#endif
}
else /* ra_data->tra_rate EQ TRA_FULLRATE_14400 */
{
/*
* sync detection finished -> enter the data transmission (pre-) state
*/
if (dfax->CMM_flag)
{
l1i_ra_modify_cnf();
SET_STATE (KER, FAX_DATA_TRANS);
}
else
{
l1i_ra_activate_cnf();
SET_STATE (KER, FAX_DATA_TRANS_PRE);
}
#if defined TRACE_RA_FAX_DL_FRAME_TYPE || defined _SIMULATION_
if (dfax->dl_state_last NEQ ra_data->ker.state)
{
TRACE_EVENT_P2("KER:FAX_%d -> FAX_%d", dfax->dl_state_last, ra_data->ker.state);
dfax->dl_state_last = ra_data->ker.state;
}
#endif
#ifdef HO_WORKAROUND /* fax_ul_sync_tch_found */
if (*ra_data->shm.shm_addr[d_ra_conf] NEQ _act_d_ra_conf)
{
*ra_data->shm.shm_addr[d_ra_conf] = _act_d_ra_conf;
TRACE_EVENT("HO_REFRESH fax_ul_sync_tch_found");
}
#endif
}
}
LOCAL void IncIndex(UBYTE *idx, UBYTE idxMax)
{
if (++(*idx) EQ idxMax)
*idx = 0;
}
/*
+--------------------------------------------------------------------+
| PROJECT : GSM-F&D (8411) MODULE : RA_FAX |
| STATE : code ROUTINE : fax_dl_wait_sync_lost |
+--------------------------------------------------------------------+
PURPOSE :
*/
GLOBAL void fax_dl_wait_sync_lost(void)
{
T_FAX *dfax = ra_data->fax;
TRACE_FUNCTION("fax_dl_wait_sync_lost");
IncIndex(&dfax->seq_idx, 8);
if (shm_get_dsp_value (statd_b_syncdet) EQ 0)
{
/*
* sync detection finished -> enter the data transmission (pre-) state
*/
if (dfax->CMM_flag)
{
l1i_ra_modify_cnf();
SET_STATE (KER, FAX_DATA_TRANS);
}
else
{
l1i_ra_activate_cnf();
SET_STATE (KER, FAX_DATA_TRANS_PRE);
}
#if defined TRACE_RA_FAX_DL_FRAME_TYPE || defined _SIMULATION_
if (dfax->dl_state_last NEQ ra_data->ker.state)
{
TRACE_EVENT_P2("KER:FAX_%d -> FAX_%d", dfax->dl_state_last, ra_data->ker.state);
dfax->dl_state_last = ra_data->ker.state;
}
#endif
#ifdef HO_WORKAROUND /* fax_dl_wait_sync_lost */
if (*ra_data->shm.shm_addr[d_ra_conf] NEQ _act_d_ra_conf)
{
*ra_data->shm.shm_addr[d_ra_conf] = _act_d_ra_conf;
TRACE_EVENT("HO_REFRESH fax_dl_wait_sync_lost");
}
#endif
}
}
#ifndef _SIMULATION_
LOCAL void check_skip(USHORT fed_ul, BOOL *skip)
{
if (*skip AND !fed_ul)
{
*skip = FALSE;
#ifdef TRACE_RA_FAX_UL_SKIP
TRACE_EVENT_P1("fed_ul=%d -> skip -> FALSE", fed_ul);
#endif
}
else if (!*skip AND fed_ul)
{
*skip = TRUE;
#ifdef TRACE_RA_FAX_UL_SKIP
TRACE_EVENT_P1("fed_ul=%d-> skip -> TRUE", fed_ul);
#endif
}
}
#endif
/*
+--------------------------------------------------------------------+
| PROJECT : GSM-F&D (8411) MODULE : RA_FAX |
| STATE : code ROUTINE : fax_ul_data_trans |
+--------------------------------------------------------------------+
PURPOSE :
*/
GLOBAL void fax_ul_data_trans(void)
{
T_FAX *dfax = ra_data->fax;
USHORT bytes_used_after = 0;
BOOL skip;
USHORT fed_ul = shm_get_dsp_value(statu_b_fed_ul);
TRACE_FUNCTION ("fax_ul_data_trans");
#if defined TRACE_RA_FAX_UL_FRAME_TYPE || defined _SIMULATION_
if (dfax->ul_ribu->idx.filled > 1)
TRACE_EVENT_P1("dfax->ul_ribu->idx.filled=%d", dfax->ul_ribu->idx.filled);
#endif
if (dfax->ul_ribu->idx.filled)
{
dfax->ul_pFD = cl_ribu_get(dfax->ul_ribu);
dfax->ul_frame_type = dfax->ul_pFD->type;
}
#if defined TRACE_RA_FAX_UL_FRAME_TYPE || defined _SIMULATION_
else
{
TRACE_EVENT_P1("dfax->ul_ribu->idx.filled=%d", dfax->ul_ribu->idx.filled);
}
#endif
/*
* Check if we must skip this cycle.
* For status frames this is done every third status frame,
* because L1 sends more data (1,2,4,6) * 64 bit status frames.
* for T4DATA frames this also happens in 2400 bps mode
*/
/*
* check if the frame type has changed
*/
if (dfax->ul_frame_type_last NEQ dfax->ul_frame_type)
{
skip = (dfax->skip_seq[dfax->ul_frame_type_last].skip_seq_other[dfax->seq_idx] NEQ 0);
#ifndef _SIMULATION_
check_skip(fed_ul, &skip);
#endif
if ((dfax->ul_frame_type_last EQ FR_TRAIN) AND (dfax->train_len > 0))
{
/* Training is stopped only after a minimum length */
dfax->train_len--;
skip = TRUE;
}
if (!skip)
{
/*
* we are on a 64 bit boundary so we can write into the new frame. Reset all sequencers.
*/
dfax->ul_frame_type_last = dfax->ul_frame_type;
dfax->seq_idx = 1;
/*
* start the request sequencer for T4DATA
*/
if (dfax->ul_frame_type EQ FR_T4DATA)
{
dfax->req_idx = 1;
}
else
{
dfax->req_idx = 0;
/*
* Store training sequence. It will be used later, when changing
* to T4 data, in order to avoid insertion of sync frames.
*/
if (dfax->ul_frame_type EQ FR_TRAIN)
{
dfax->train_seq[0] = dfax->ul_pFD->buf[0];
dfax->train_seq[1] = dfax->ul_pFD->buf[1];
dfax->train_len = MIN_FR_TRAIN_LEN - 1; /* Minimum length of training */
}
}
}
else /* skip */
{
IncIndex(&dfax->seq_idx, 8);
if (dfax->ul_frame_type_last EQ FR_T4DATA)
{
IncIndex(&dfax->req_idx, 4);
}
}
}
else /* frame type not changed */
{
skip = (dfax->skip_seq[dfax->ul_frame_type_last].skip_seq_same[dfax->seq_idx] NEQ 0);
#ifndef _SIMULATION_
check_skip(fed_ul, &skip);
#endif
IncIndex(&dfax->seq_idx, 8);
if (dfax->ul_frame_type EQ FR_T4DATA)
{
IncIndex(&dfax->req_idx, 4);
}
else if ((dfax->ul_frame_type_last EQ FR_TRAIN) AND (dfax->train_len > 0))
{
/* Training is stopped only after a minimum length */
dfax->train_len--;
}
}
if (!skip)
{
switch (dfax->ul_frame_type)
{
case FR_T4DATA:
shm_set_dsp_value (faxu_control, V_CTRL_DATA);
break;
case FR_STATUS:
shm_set_dsp_value (faxu_control, V_CTRL_STATUS);
break;
case FR_TRAIN:
shm_set_dsp_value (faxu_control, V_CTRL_TRAIN);
break;
case FR_SYNC:
shm_set_dsp_value (faxu_control, V_CTRL_SYNC);
shm_set_dsp_value (faxu_byte_cnt, 0);
break;
}
if (dfax->ul_frame_type NEQ FR_SYNC)
{
bytes_used_after = shm_set_dsp_buffer_new(dfax->ul_pFD, ra_data->shm.shm_addr[adr_faxu_data]+wof_faxu_data, 0, (USHORT)MAX_FAX_BUFFER_UL);
shm_set_dsp_value (faxu_byte_cnt, bytes_used_after);
}
#if defined TRACE_RA_FAX_UL_FRAME_TYPE || defined _SIMULATION_
if (dfax->ul_pFD)
trace_ra_fax_ul_frame_type(dfax->ul_frame_type, dfax->ul_pFD->buf, bytes_used_after);
#endif
ra_data->ra_ready_ind[0].req_frames = dfax->req_seq[dfax->req_idx];
l1i_ra_ready_ind(hCommFAD, 0);
}
else if (dfax->ul_frame_type_last EQ FR_TRAIN) /* skip AND train*/
{
shm_set_dsp_value (faxu_control, V_CTRL_TRAIN);
bytes_used_after = shm_set_dsp_buffer_new(&dfax->ul_train_FD, ra_data->shm.shm_addr[adr_faxu_data]+wof_faxu_data, 0, (USHORT)MAX_FAX_BUFFER_UL);
shm_set_dsp_value (faxu_byte_cnt, bytes_used_after);
#if defined TRACE_RA_FAX_UL_FRAME_TYPE || defined _SIMULATION_
trace_ra_fax_ul_frame_type(V_CTRL_TRAIN, dfax->ul_train_FD.buf, bytes_used_after);
#endif
}
else /* skip */
{
shm_set_dsp_value (faxu_byte_cnt, 0);
#if defined TRACE_RA_FAX_UL_FRAME_TYPE || defined _SIMULATION_
trace_ra_fax_ul_frame_type(4, NULL, 0);
#endif
}
}
LOCAL U8 get_frame_descriptor(U8 bytes_to_read)
{
T_FAX *dfax = ra_data->fax;
U8 bytes_read;
#ifdef _SIMULATION_
dfax->dl_pFD = cl_ribu_get_new_frame_desc(ra_data->dl_ribu);
#else
dfax->dl_pFD = fad_rbm_get_next_FrameDesc();
#endif
dfax->dl_pFD->len = FAD_DESCBUF_LEN;
bytes_read = shm_get_dsp_buffer_new(ra_data->shm.shm_addr[adr_faxd_data]+wof_faxd_data, bytes_to_read, dfax->dl_pFD);
return bytes_read;
}
/*
+--------------------------------------------------------------------+
| PROJECT : GSM-F&D (8411) MODULE : RA_FAX |
| STATE : code ROUTINE : fax_dl_data_trans |
+--------------------------------------------------------------------+
PURPOSE :
*/
GLOBAL void fax_dl_data_trans(void)
{
UBYTE bytes_to_read, bytes_read = 0;
UBYTE dl_frame_type;
T_FAX *dfax = ra_data->fax;
TRACE_FUNCTION ("fax_dl_data_trans");
#ifdef HO_WORKAROUND /* fax_dl_data_trans */
if (*ra_data->shm.shm_addr[d_ra_conf] NEQ _act_d_ra_conf)
{
*ra_data->shm.shm_addr[d_ra_conf] = _act_d_ra_conf;
TRACE_EVENT("HO_REFRESH fax_dl_data_trans");
}
#endif
dl_frame_type = shm_get_dsp_value (faxd_control);
if (dl_frame_type EQ V_CTRL_SYNC)
{
bytes_read = get_frame_descriptor(0);
dfax->dl_pFD->len = bytes_read;
dfax->dl_pFD->type = dl_frame_type;
l1i_ra_data_ind(hCommFAD);
#if defined TRACE_RA_FAX_DL_FRAME_TYPE || defined _SIMULATION_
trace_ra_fax_dl_frame_type(&dfax->dl_frame_type_last, dl_frame_type, bytes_read);
#endif
}
else
{
bytes_to_read = shm_get_dsp_value (faxd_byte_cnt);
if (bytes_to_read > 0)
{
bytes_read = get_frame_descriptor(bytes_to_read);
shm_set_dsp_value (faxd_byte_cnt, 0);
}
if (bytes_read)
{
dfax->dl_pFD->len = bytes_read;
dfax->dl_pFD->type = dl_frame_type;
l1i_ra_data_ind(hCommFAD);
#if defined TRACE_RA_FAX_DL_FRAME_TYPE || defined _SIMULATION_
trace_ra_fax_dl_frame_type(&dfax->dl_frame_type_last, dl_frame_type, bytes_read);
#endif
}
}
#if defined TRACE_RA_FAX_DL_FRAME_TYPE || defined _SIMULATION_
dfax->dl_frame_type_last = dl_frame_type;
#endif
}
