--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-fad/fad/fad_snds.c	Fri Oct 16 06:25:50 2020 +0000
@@ -0,0 +1,281 @@
+/* 
++----------------------------------------------------------------------------- 
+|  Project :  GSM-F&D (8411)
+|  Modul   :  FAD_SNDS
++----------------------------------------------------------------------------- 
+|  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 processing
+|             of incomming signals for the component
+|             Fax Adaptation 3.45 of the mobile station
++----------------------------------------------------------------------------- 
+*/ 
+
+#ifndef FAD_SNDS_C
+#define FAD_SNDS_C
+#endif
+
+#define ENTITY_FAD
+
+/*==== INCLUDES ===================================================*/
+
+#include <string.h>
+#include "typedefs.h"
+#include "vsi.h"
+#include "macdef.h"
+#include "pconst.cdg"
+#include "custom.h"
+#include "gsm.h"
+#include "cnf_fad.h"
+#include "mon_fad.h"
+#include "prim.h"
+#include "pei.h"
+#include "tok.h"
+#include "ccdapi.h"
+#include "fad.h"
+
+/*==== CONST =======================================================*/
+
+/*==== TYPES =======================================================*/
+
+/*==== VAR EXPORT ==================================================*/
+
+/*==== VAR LOCAL ===================================================*/
+
+/*==== FUNCTIONS ===================================================*/
+
+/*
++-------------------------------------------------------------------------+
+| PROJECT : GSM-F&D (8411)             MODULE  : FAD_SNDS                 |
+| STATE   : code                       ROUTINE : sig_ker_snd_activate_req |
++-------------------------------------------------------------------------+
+
+  PURPOSE : Process signal ACTIVATE_REQ received from process KER
+
+*/
+
+GLOBAL void sig_ker_snd_activate_req (T_FAD_ACTIVATE_REQ *fad_activate_req)
+{
+  T_SND *snd = &fad_data->snd;
+
+  snd->trans_rate      = fad_activate_req->trans_rate;
+  snd->frames_per_prim = fad_activate_req->frames_per_prim;
+
+  /* T.32: 5-sec. buffer */
+#ifdef _SIMULATION_
+  snd->threshold = snd_DurationToBytes(snd->trans_rate, TIME_THRESHOLD);
+#else
+  snd->threshold = snd_DurationToBytes(snd->trans_rate, TIME_THRESHOLD_TI);
+#endif
+}
+/*
++-------------------------------------------------------------------------+
+| PROJECT : GSM-F&D (8411)             MODULE  : FAD_SNDS                 |
+| STATE   : code                       ROUTINE : sig_ker_snd_sync_req     |
++-------------------------------------------------------------------------+
+
+  PURPOSE : Process signal SYNC_REQ received from process KER
+
+*/
+
+GLOBAL void sig_ker_snd_sync_req (BOOL reset)
+{
+  T_SND *snd = &fad_data->snd;
+  USHORT bytes_to_send;
+
+  TRACE_FUNCTION ("sig_ker_snd_sync_req()");
+
+/*
+  TRACE_EVENT ("IDLE:send SYNCs");
+*/
+  if (reset)				  /* send SYNC frames following return to IDLE */
+    snd->reset = SYNC_RESET;
+
+  snd->bytes_to_send = REPEAT_FOREVER;
+  snd->seq_bufpos    = 0;
+  snd->seq_buflen    = 0;
+  snd_SetSequence(snd->seq_buf, &snd->seq_buflen, (UBYTE *)FR_SEQ_SYNC, LEN_SEQ_SYNC, 3);
+
+  INIT_STATE (SND, SYNC_SND);
+  INIT_STATE (SNDSUB, SUB_IDLE);
+
+  if (snd->ra_req_frames)
+  {
+    bytes_to_send = snd->ra_req_frames * FRAME_SIZE;
+    snd_SendSequence(bytes_to_send, FR_SYNC);
+    snd->ra_req_frames = 0;
+  }
+
+}
+
+/*
++-------------------------------------------------------------------------+
+| PROJECT : GSM-F&D (8411)             MODULE  : FAD_SNDS                 |
+| STATE   : code                       ROUTINE : sig_ker_snd_train_req    |
++-------------------------------------------------------------------------+
+
+  PURPOSE : Process signal TRAIN_REQ received from process KER
+
+*/
+
+GLOBAL void sig_ker_snd_train_req (T_FAD_DATA_REQ *fad_data_req, BOOL send_fax)
+{
+  T_SND *snd = &fad_data->snd;
+
+  TRACE_FUNCTION ("sig_ker_snd_train_req()");
+/*
+  TRACE_EVENT ("MSG-REC:start TRAIN");
+*/
+  if (GET_STATE (SND) EQ SYNC_SND)
+  {
+    snd->bytes_to_send = REPEAT_FOREVER;
+    snd->seq_buflen    = SND_FRAME_LEN * MAX_SND_FRAMES;
+    snd->send_status   = TRUE;
+    snd->seq_bufpos    = 0;
+
+    SET_STATE (SNDSUB, SUB_IDLE);
+
+    if (send_fax)
+    {
+      snd->data_to_send = fad_data_req->sdu.l_buf >> 3;
+      snd_StoreMsgData (fad_data_req);
+      SET_STATE (SND, TRAIN_SND);
+    }
+    else
+      SET_STATE (SND, TRAIN_CNF_SND);
+
+  }
+}
+
+
+/*
++-------------------------------------------------------------------------+
+| PROJECT : GSM-F&D (8411)             MODULE  : FAD_SNDS                 |
+| STATE   : code                       ROUTINE : sig_ker_snd_tcf_req      |
++-------------------------------------------------------------------------+
+
+  PURPOSE : Process signal SND_TCF_REQ received from process KER
+
+*/
+
+GLOBAL void sig_ker_snd_tcf_req (void)
+{
+  TRACE_FUNCTION ("sig_ker_snd_tcf_req()");
+/*
+  TRACE_EVENT ("MSG-REC:start TCF");
+*/
+  if (GET_STATE (SND) EQ SYNC_SND)
+  {
+    fad_data->snd.seq_bufpos = 0;
+    SET_STATE (SND, TCF_SND);
+  }
+}
+
+
+/*
++-------------------------------------------------------------------------+
+| PROJECT : GSM-F&D (8411)             MODULE  : FAD_SNDS                 |
+| STATE   : code                       ROUTINE : sig_ker_snd_preamble_req |
++-------------------------------------------------------------------------+
+
+  PURPOSE : Process signal SND_PREAMBLE_REQ received from process KER
+            - store fad_data_req
+            - prepare preamble
+*/
+
+GLOBAL void sig_ker_snd_preamble_req (T_FAD_DATA_REQ *fad_data_req)
+{
+  T_SND *snd = &fad_data->snd;
+
+  TRACE_FUNCTION ("sig_ker_snd_preamble_req()");
+
+  if (GET_STATE (SND) EQ SYNC_SND)
+  {
+    snd->fad_data_req = fad_data_req;
+
+#ifdef _SIMULATION_
+    snd->fad_data_req->sdu.l_buf >>= 3; /* set SDU byte len for    */
+    snd->fad_data_req->sdu.o_buf >>= 3; /* snd_BuildStatusFrames() */
+#endif
+
+    SET_STATE (SND, PREAM_SND);
+  }
+}
+
+
+/*
++-------------------------------------------------------------------------+
+| PROJECT : GSM-F&D (8411)             MODULE  : FAD_SNDS                 |
+| STATE   : code                       ROUTINE : sig_ker_snd_bcs_req      |
++-------------------------------------------------------------------------+
+
+  PURPOSE : Process signal BCS_REQ received from process KER
+
+*/
+
+GLOBAL void sig_ker_snd_bcs_req (T_FAD_DATA_REQ *fad_data_req)
+{
+  TRACE_FUNCTION ("sig_ker_snd_bcs_req()");
+
+  if (GET_STATE (SND) EQ BCS_SND)
+  {
+#ifdef _SIMULATION_
+    snd_BuildStatusFrames(fad_data->snd.fad_data_req, BCS_BUF_LEN);
+#else
+    snd_BuildStatusFrames(fad_data->snd.fad_data_req);
+#endif
+    SET_STATE (SNDSUB, SUB_DATA);
+  }
+}
+
+/*
++------------------------------------------------------------------------+
+| PROJECT : GSM-F&D (8411)             MODULE  : FAD_SNDS                |
+| STATE   : code                       ROUTINE : sig_ker_snd_status_req  |
++------------------------------------------------------------------------+
+
+  PURPOSE : Process signal STATUS_REQ received from process KER
+
+*/
+
+GLOBAL void sig_ker_snd_status_req (void)
+{
+  TRACE_FUNCTION ("sig_ker_snd_status_req()");
+
+  if (GET_STATE (SND) EQ TRAIN_SND)
+  {
+    TRACE_EVENT ("MSG-REC:start C");
+
+    SET_STATE (SND, MSG_SND);
+    SET_STATE (SNDSUB, SUB_IDLE);
+  }
+
+}
+
+/*
++-------------------------------------------------------------------------+
+| PROJECT : GSM-F&D (8411)             MODULE  : FAD_SNDS                 |
+| STATE   : code                       ROUTINE : sig_ker_snd_msg_req      |
++-------------------------------------------------------------------------+
+
+  PURPOSE : Process signal MSG_REQ received from process KER
+
+*/
+
+GLOBAL void sig_ker_snd_msg_req (T_FAD_DATA_REQ *fad_data_req)
+{
+  TRACE_FUNCTION ("sig_ker_snd_msg_req()");
+
+/* T.32: 5-sec. buffer */
+  fad_data->snd.data_to_send += (fad_data_req->sdu.l_buf >> 3);
+  snd_StoreMsgData (fad_data_req);
+}