--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-fad/fad/fad.h	Sun Jul 15 04:40:46 2018 +0000
@@ -0,0 +1,690 @@
+/*
++-----------------------------------------------------------------------------
+|  Project :  GSM-F&D (8411)
+|  Modul   :  FAD
++-----------------------------------------------------------------------------
+|  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 :  Definitions for the Protocol Stack Entity
+|             Fax Adaptation 3.45
++-----------------------------------------------------------------------------
+*/
+
+
+#ifndef FAD_H
+#define FAD_H
+
+#include "cl_ribu.h"
+
+/*
+ * Macros
+ */
+
+#undef  TRACE_FAD_DL_TCF
+
+#define  TRACE_FAD_DL_STATUS
+#define  TRACE_FAD_UL_STATUS
+
+#ifndef _SIMULATION_        /* keeps testcases passing */
+#define BMI_TCF_WORKAROUND
+#endif
+
+#ifndef NTRACE
+
+/* for trace purposes */
+
+#define SERVICE_NAME_KER    "KER"
+#define SERVICE_NAME_RCV    "RCV"
+#define SERVICE_NAME_RCVSUB "RCVSUB"
+#define SERVICE_NAME_SND    "SND"
+#define SERVICE_NAME_SNDSUB "SNDSUB"
+
+#endif
+
+#define KER     ker.
+#define RCV     rcv.
+#define RCVSUB  rcv.sub.
+#define SND     snd.
+#define SNDSUB  snd.sub.
+
+#define SHARED_FAX_DATA_RAM
+
+/*
+ * instance management
+ */
+
+#define GET_INSTANCE(p) &fad_data_base[0]
+
+/*
+ * Constants
+ */
+
+/*
+ * global unchangeable constants
+ */
+#define SBM_MAX_PRIMS   10  /* max numbers of prims in SBM   */
+#define FRAME_SIZE       8  /* num of data bytes in fad frame */
+#define MAX_NEW_FRAMES   9  /* number of 64 bit frames
+                               which can be received
+                               in one ra_data_ind primitive */
+
+#define MAX_SDU_SIZE (MAX_NEW_FRAMES * FRAME_SIZE)
+
+/*==== TYPES ======================================================*/
+
+/*
+ * Constants
+ */
+
+/*
+ * Bitoffset for encoding/decoding
+ */
+#define ENCODE_OFFSET        0
+
+/*
+ * Dynamic Configuration Numbers
+ */
+
+/*
+ * States of the entity process KERNEL
+ */
+#define KER_NULL             0
+#define IDLE                 1
+#define BCS_REC              2
+#define BCS_TRA              3
+#define MSG_REC_TCF          4
+#define MSG_REC              5
+#define MSG_TRA_TCF          6
+#define MSG_TRA              7
+
+/*
+ * States of the entity process SND
+ */
+#define SYNC_SND             0
+#define PREAM_SND            1
+#define TCF_SND              2
+#define TRAIN_SND            3
+#define TRAIN_CNF_SND        4
+#define BCS_SND              5
+#define MSG_SND              6
+
+/*
+ * States of the entity process RCV
+ */
+#define SYNC_RCV             0
+#define PREAM_RCV            1
+#define TCF_RCV              2
+#define TRAIN_RCV            3
+#define BCS_RCV              4
+#define MSG_RCV              5
+
+/* substates */
+#define SUB_IDLE             0
+#define SUB_PREAMBLE         1
+#define SUB_TCF              2
+#define SUB_POST_TCF         3
+#define SUB_DATA             4
+
+/*
+ * FAD Constants
+ */
+
+/* shared */
+
+/* phase identifiers */
+#define IDENT_BCS_REC   0x11
+#define IDENT_MSG_REC   0x33
+#define IDENT_MSG_TRA   0x44
+
+/* Layer 1 TI frame */
+#define L1_TI_LEN             40
+
+/* RCV specific */
+
+#ifdef _TARGET_
+#define FAD_DESCBUF_LEN        8
+#endif
+
+#define BCS_TOLERANCE         70    /* 70% tolerance for correct BCS data */
+#define TRAIN_TOLERANCE       50
+
+/* SND specific */
+
+/* Frame formats */
+
+#define FR_SEQ_SYNC           "\x3E\x37\x50\x96\xC1\xC8\xAF\x69"
+#define FR_SEQ_PREAMBLE       "\x11\x7E"    /* BCS-REC + preamble */
+#define FR_SEQ_TRAIN_SND      "\x33\x0F"    /* MSG-REC + STATUS   */
+#define FR_SEQ_TRAIN_RCV      "\x44\x0F"    /* MSG-TRA + STATUS   */
+#define FR_SEQ_TCF            "\x00\x00\x00\x00\x00\x00\x00\x00"
+
+#define VAL_TCF               0x00
+#define HDLC_FLAG             0x7E
+#define VAL_TRAIN             0x0F
+
+/* length in bytes */
+#define LEN_SEQ_SYNC          FRAME_SIZE
+#define LEN_SEQ_PREAMBLE      2
+#define LEN_SEQ_TCF           FRAME_SIZE
+#define LEN_SEQ_TRAIN         2
+
+#define SYNC_CYCLE_NONE       0
+#define SYNC_CYCLE_7200       4
+#define SYNC_CYCLE_12000      6
+
+#define SYNC_RESET                  3
+
+#define REPEAT_FOREVER        0xFFFF    /* bytes remaining - SYNC */
+
+#define PREAMBLE_BYTES_TI_EXP   30      /* = 400 ms (give some extra tolerance to required 850 ms) */
+#define PREAMBLE_BYTES_TI_SND   74      /* = 1 sec   */
+
+#define TIME_AWAIT_TCF          75      /*   75 millisec. */
+#define TIME_TCF_SND          1500      /* 1500 millisec. */
+#define TIME_TCF_RCV          1350      /* 1500 millisec. - 10% */
+
+#ifdef _SIMULATION_
+#define TIME_THRESHOLD        5000      /* 5-sec. MSG buffer - T.32, §7.4 */
+#else
+#define TIME_THRESHOLD_TI     1000
+#endif
+
+#define MAX_SND_FRAMES        3
+#define SND_FRAME_LEN         FRAME_SIZE   /* 11.01.99/DL: 24 -> 8 */
+#define RCV_FRAME_LEN         24
+#define HDLC_LEN              (RCV_FRAME_LEN * 12)
+#define BCS_BUF_LEN           (SND_FRAME_LEN * MAX_SND_FRAMES * 16) /* 336 */
+
+#ifdef _SIMULATION_
+#define BCS_RATE              300
+#define HDLC_REPEAT           8
+#endif
+
+/* frame types - FAD internal */
+#define FT_PREAMBLE          0x06
+#define FT_TRAIN_RESPONSE    0x07
+#define FT_NONE              0x0F
+
+/*==== TYPES ======================================================*/
+
+/*
+ * entity global data
+ */
+
+/*
+ * send buffer management
+ */
+#define SBM_PRIMBUF_SIZE  (SBM_MAX_PRIMS+1)
+
+typedef T_FAD_DATA_REQ  T_SBM_PRIM;
+typedef UBYTE           T_SBM_PRIM_INDEX;
+
+typedef struct
+{
+  T_SBM_PRIM *Prim;
+} T_SBM_PRIMSLOT;
+
+/*
+ * receive buffer management
+ */
+#define RBM_PQ_MAX_PRIM   10
+#define RBM_PQ_SIZE       (RBM_PQ_MAX_PRIM+1)
+
+typedef T_FAD_DATA_IND    T_RBM_PRIM;
+
+/*
+ * data for send buffer management
+ */
+
+typedef struct
+{
+  USHORT           syncCycle;
+  USHORT           framesUntilSync;
+  USHORT           CurrPrimOff;
+  USHORT           CurrPrimLen;
+  USHORT           FrameSize;
+  UBYTE            frames[MAX_SDU_SIZE];
+  T_RIBU ribu;
+  T_SBM_PRIMSLOT   Prim[SBM_PRIMBUF_SIZE];
+  T_SBM_PRIM_INDEX PA;
+} T_SBM;
+
+/*
+ * data for receive buffer management
+ */
+
+#define DL_RIBU_DEPTH 4
+
+typedef struct
+{
+  BOOL          Initialised;
+  USHORT        FramesPerPrim;
+  USHORT        FramesInCurrPrim;
+  T_RIBU_FD    *ribu;
+  T_RBM_PRIM   *CurrPrim;
+  T_RIBU        PQ;
+  T_RBM_PRIM   *PQ_Array[RBM_PQ_SIZE];
+} T_RBM_FAD;
+
+typedef struct
+{
+  UBYTE state;
+#ifndef NTRACE
+  char *name;
+  char *state_name;
+#endif
+  BOOL forward_data;
+} T_KER;
+
+typedef struct
+{
+  UBYTE state;
+#ifndef NTRACE
+  char *name;
+  char *state_name;
+#endif
+} T_STATE;
+
+typedef struct
+{
+  UBYTE state;
+#ifndef NTRACE
+  char *name;
+  char *state_name;
+#endif
+  T_STATE sub; /* substate */
+
+  UBYTE   reset;
+  BOOL    send_status;
+  BOOL    send_ready_to_t30;
+  BOOL    final;
+  UBYTE   seq_buf [BCS_BUF_LEN];
+  UBYTE   ul_FD_align[L1_TI_LEN];
+
+  USHORT  ra_req_frames;
+  USHORT  seq_buflen;
+  USHORT  seq_bufpos;
+  USHORT  bytes_to_send;
+  USHORT  threshold;    /* T.32: 5-sec. buffer */
+  USHORT  data_to_send;
+  USHORT  data_bufpos;
+  USHORT  frames_per_prim;
+  USHORT  trans_rate;
+
+  T_FD FD;
+  U8 FD_buf[BCS_BUF_LEN];
+  
+  T_FAD_DATA_REQ *fad_data_req;
+#ifdef _TARGET_
+  T_RA_DATA_REQ ra_data_req;
+#endif
+} T_SND;
+
+#define FLAGFOUND_MIN 5
+
+typedef struct
+{
+  UBYTE state;
+#ifndef NTRACE
+  char *name;
+  char *state_name;
+#endif
+  T_STATE sub; /* substate */
+
+  BOOL    train_flg;
+  BOOL    prim_ready;
+  BOOL    data_incoming;
+  BOOL    t30_req_frames;
+  BOOL    data_in_rbm;
+  BOOL    preamble_pending;
+  BOOL    bcs_pending;
+  UBYTE   bcs_data_len;
+  UBYTE   hdlc [HDLC_LEN];
+
+  UBYTE   FlagFound;  /* HDLC flag in preamble found */
+  UBYTE   AlignShift; /* shift of HDLC flag in received RA_DATA_IND */
+  USHORT  AlignWord;
+
+  USHORT  bytes_good;
+  USHORT  bytes_expect;
+  USHORT  bytes_rcvd;
+  USHORT  hdlc_len;
+  USHORT  data_bufpos;
+} T_RCV;
+
+typedef struct
+{
+  T_KER  ker;
+  T_SND  snd;
+  T_RCV  rcv;
+  T_SBM  sbm;
+  T_RBM_FAD  rbm;
+} T_FAD_DATA;
+
+/*
+ *  SBM, RBM: constants, type defs
+ */
+#define ENTITY_DATA fad_data
+
+/*==== EXPORT =====================================================*/
+/*
+ * instance data base
+ */
+
+#ifdef FAD_PEI_C
+GLOBAL T_FAD_DATA *fad_data;
+#else
+EXTERN T_FAD_DATA *fad_data;
+#endif
+
+#ifdef SHARED_FAX_DATA_RAM
+
+  /*lint -e526 : not defined */
+  EXTERN UBYTE l2r_data_base[];
+  EXTERN ULONG l2r_data_magic_num;
+
+  #define fad_data_base ((T_FAD_DATA*)l2r_data_base)
+
+  #define fad_data_magic_num l2r_data_magic_num
+
+#else /* !SHARED_FAX_DATA_RAM */
+
+  #ifdef FAD_PEI_C
+  GLOBAL T_FAD_DATA fad_data_base[1];
+  GLOBAL ULONG fad_data_magic_num;
+  #else
+  EXTERN T_FAD_DATA fad_data_base[];
+  EXTERN ULONG fad_data_magic_num;
+  #endif
+
+#endif /* !SHARED_FAX_DATA_RAM */
+
+#define FAD_DATA_MAGIC_NUM (('F'<<24) + ('A'<<16) + ('D'<<8))   /* "FAD",NUL */
+
+/*
+ *  Prototypes
+ *
+ *  FAD KERNEL
+ *
+ *  KERNEL primitive processing
+ */
+
+#ifdef USE_L1FD_FUNC_INTERFACE
+  EXTERN void l1i_ra_detect_req(T_RA_DETECT_REQ *ra_detect_req);
+#endif
+
+#ifdef OPTION_MULTITHREAD
+  #define ker_fad_activate_req   _ENTITY_PREFIXED(ker_fad_activate_req)
+  #define ker_fad_deactivate_req _ENTITY_PREFIXED(ker_fad_deactivate_req)
+  #define ker_fad_modify_req     _ENTITY_PREFIXED(ker_fad_modify_req)
+  #define ker_fad_data_req       _ENTITY_PREFIXED(ker_fad_data_req)
+  #define ker_fad_snd_tcf_req    _ENTITY_PREFIXED(ker_fad_snd_tcf_req)
+  #define ker_fad_rcv_tcf_req    _ENTITY_PREFIXED(ker_fad_rcv_tcf_req)
+  #define ker_fad_ready_req      _ENTITY_PREFIXED(ker_fad_ready_req)
+  #define ker_fad_ignore_req     _ENTITY_PREFIXED(ker_fad_ignore_req)
+#endif
+
+EXTERN void ker_fad_activate_req   (T_FAD_ACTIVATE_REQ   *fad_activate_req);
+EXTERN void ker_fad_deactivate_req (T_FAD_DEACTIVATE_REQ *fad_deactivate_req);
+EXTERN void ker_fad_modify_req     (T_FAD_MODIFY_REQ     *fad_modify_req);
+EXTERN void ker_fad_data_req       (T_FAD_DATA_REQ       *fad_data_req);
+EXTERN void ker_fad_snd_tcf_req    (T_FAD_SND_TCF_REQ    *fad_snd_tcf_req);
+EXTERN void ker_fad_rcv_tcf_req    (T_FAD_RCV_TCF_REQ    *fad_rcv_tcf_req);
+EXTERN void ker_fad_ready_req      (T_FAD_READY_REQ      *fad_ready_req);
+EXTERN void ker_fad_ignore_req     (T_FAD_IGNORE_REQ     *fad_ignore_req);
+
+/*
+ *  KERNEL signal processing
+ */
+
+/*
+ *  KERNEL procedures
+ */
+
+#ifdef OPTION_MULTITHREAD
+  #define ker_init           _ENTITY_PREFIXED(ker_init)
+  #define ker_SetError       _ENTITY_PREFIXED(ker_SetError)
+#endif
+
+EXTERN void ker_init         (void);
+EXTERN void ker_SetError     (USHORT cause);
+
+/*
+ *  FAD RCV
+ *
+ *  RCV primitive processing
+ */
+
+#ifdef OPTION_MULTITHREAD
+  #define rcv_ra_data_ind         _ENTITY_PREFIXED(rcv_ra_data_ind)
+
+#endif
+
+EXTERN void rcv_ra_data_ind      (T_RA_DATA_IND *ra_data_ind);
+
+/*
+ *  RCV signal processing
+ */
+#ifdef OPTION_MULTITHREAD
+/* KER -> RCV */
+  #define sig_ker_rcv_await_tcf_req _ENTITY_PREFIXED(sig_ker_rcv_await_tcf_req)
+  #define sig_ker_rcv_ready_req     _ENTITY_PREFIXED(sig_ker_rcv_ready_req)
+  #define sig_ker_rcv_reset_req     _ENTITY_PREFIXED(sig_ker_rcv_reset_req)
+/* RCV -> KER */
+  #define sig_rcv_ker_preamble_ind  _ENTITY_PREFIXED(sig_rcv_ker_preamble_ind)
+  #define sig_rcv_ker_tcf_ind       _ENTITY_PREFIXED(sig_rcv_ker_tcf_ind)
+  #define sig_rcv_ker_train_ind     _ENTITY_PREFIXED(sig_rcv_ker_train_ind)
+  #define sig_rcv_ker_train_end_ind _ENTITY_PREFIXED(sig_rcv_ker_train_end_ind)
+  #define sig_rcv_ker_bcs_ind       _ENTITY_PREFIXED(sig_rcv_ker_bcs_ind)
+  #define sig_rcv_ker_msg_ind       _ENTITY_PREFIXED(sig_rcv_ker_msg_ind)
+  #define sig_rcv_ker_status_ind    _ENTITY_PREFIXED(sig_rcv_ker_status_ind)
+  #define sig_rcv_ker_error_ind     _ENTITY_PREFIXED(sig_rcv_ker_error_ind)
+#endif
+
+EXTERN void sig_ker_rcv_await_tcf_req  (void);
+EXTERN void sig_ker_rcv_ready_req      (void);
+EXTERN void sig_ker_rcv_reset_req      (void);
+
+EXTERN void sig_rcv_ker_preamble_ind   (void);
+EXTERN void sig_rcv_ker_tcf_ind        (void);
+EXTERN void sig_rcv_ker_train_ind      (void);
+EXTERN void sig_rcv_ker_train_end_ind  (void);
+EXTERN void sig_rcv_ker_bcs_ind        (UBYTE *hdlc, USHORT hdlc_len);
+EXTERN void sig_rcv_ker_msg_ind        (T_FAD_DATA_IND *fad_data_ind);
+EXTERN void sig_rcv_ker_status_ind     (void);
+EXTERN void sig_rcv_ker_error_ind      (USHORT cause);
+
+/*
+ *  RCV procedures
+ */
+
+#ifdef OPTION_MULTITHREAD
+  #define rcv_init                  _ENTITY_PREFIXED(rcv_init)
+  #define rcv_ResetFormatter        _ENTITY_PREFIXED(rcv_ResetFormatter)
+  #define rcv_FrameType             _ENTITY_PREFIXED(rcv_FrameType)
+  #define rcv_SetHdlcFrame          _ENTITY_PREFIXED(rcv_SetHdlcFrame)
+  #define rcv_SetErrorRatio         _ENTITY_PREFIXED(rcv_SetErrorRatio)
+  #define rcv_GetMsgData            _ENTITY_PREFIXED(rcv_GetMsgData)
+  #define rcv_SetFinalBuffer        _ENTITY_PREFIXED(rcv_SetFinalBuffer)
+#endif
+
+EXTERN void rcv_init                (void);
+EXTERN void rcv_ResetFormatter      (void);
+EXTERN UBYTE rcv_FrameType          (T_FD *pFD);
+EXTERN void rcv_SetHdlcFrame        (T_FD *pFD, UBYTE *hdlc_data, USHORT *hdlc_len);
+EXTERN void rcv_SetErrorRatio       (T_FD *pFD);
+
+EXTERN BOOL rcv_StoreMsgData        (T_FD *pFD, BOOL *primAvail);
+
+EXTERN BOOL rcv_GetMsgData          (T_FAD_DATA_IND **fad_data_ind, BOOL data_incoming);
+EXTERN void rcv_SetFinalBuffer      (void);
+
+#ifdef _TARGET_
+EXTERN void l1i_ra_detect_req(T_RA_DETECT_REQ *ra_detect_req);
+#endif
+
+/*
+ *  FAD SND
+ *
+ *  SND primitive processing
+ */
+
+#ifdef OPTION_MULTITHREAD
+  #define snd_ra_ready_ind          _ENTITY_PREFIXED(snd_ra_ready_ind)
+#endif
+
+EXTERN void snd_ra_ready_ind  (T_RA_READY_IND *ra_ready_ind);
+
+/*
+ *  SND signal processing
+ */
+#ifdef OPTION_MULTITHREAD
+/* KER -> SND */
+  #define sig_ker_snd_activate_req      _ENTITY_PREFIXED(sig_ker_snd_activate_req)
+  #define sig_ker_snd_sync_req         _ENTITY_PREFIXED(sig_ker_snd_sync_req)
+  #define sig_ker_snd_train_req        _ENTITY_PREFIXED(sig_ker_snd_train_req)
+  #define sig_ker_snd_tcf_req          _ENTITY_PREFIXED(sig_ker_snd_tcf_req)
+  #define sig_ker_snd_preamble_req     _ENTITY_PREFIXED(sig_ker_snd_preamble_req)
+  #define sig_ker_snd_bcs_req          _ENTITY_PREFIXED(sig_ker_snd_bcs_req)
+  #define sig_ker_snd_status_req       _ENTITY_PREFIXED(sig_ker_snd_status_req)
+/* SND -> KER */
+  #define sig_snd_ker_ready_ind        _ENTITY_PREFIXED(sig_snd_ker_ready_ind)
+  #define sig_snd_ker_data_sent_ind    _ENTITY_PREFIXED(sig_snd_ker_data_sent_ind)
+#endif
+
+EXTERN void sig_ker_snd_activate_req   (T_FAD_ACTIVATE_REQ *fad_activate_req);
+EXTERN void sig_ker_snd_sync_req       (BOOL reset);
+EXTERN void sig_ker_snd_train_req      (T_FAD_DATA_REQ *fad_data_req,
+                                        BOOL send_fax);
+EXTERN void sig_ker_snd_tcf_req        (void);
+EXTERN void sig_ker_snd_preamble_req   (T_FAD_DATA_REQ *fad_data_req);
+EXTERN void sig_ker_snd_bcs_req        (T_FAD_DATA_REQ *fad_data_req);
+EXTERN void sig_ker_snd_status_req     (void);
+EXTERN void sig_ker_snd_msg_req        (T_FAD_DATA_REQ *fad_data_req);
+
+EXTERN void sig_snd_ker_ready_ind      (void);
+EXTERN void sig_snd_ker_data_sent_ind  (void);
+
+/*
+ *  SND procedures
+ */
+
+#ifdef OPTION_MULTITHREAD
+  #define snd_init                  _ENTITY_PREFIXED(snd_init)
+  #define snd_SendReset             _ENTITY_PREFIXED(snd_SendReset)
+  #define snd_SetSequence           _ENTITY_PREFIXED(snd_SetSequence)
+  #define snd_SendSequence          _ENTITY_PREFIXED(snd_SendSequence)
+  #define snd_DurationToBytes       _ENTITY_PREFIXED(snd_DurationToBytes)
+  #define snd_BuildStatusFrames     _ENTITY_PREFIXED(snd_BuildStatusFrames)
+  #define snd_StoreMsgData          _ENTITY_PREFIXED(snd_StoreMsgData)
+  #define snd_SendMsgData           _ENTITY_PREFIXED(snd_SendMsgData)
+  #define snd_SendBcsData           _ENTITY_PREFIXED(snd_SendBcsData)
+#endif
+
+EXTERN void snd_init                (void);
+GLOBAL void snd_SendReset           (USHORT bytes_to_send);
+EXTERN void snd_SetSequence         (UBYTE *seq_buf, USHORT *seq_buflen,
+                                     UBYTE *sequence, USHORT seq_len,
+                                     USHORT repeat);
+EXTERN USHORT snd_SendSequence      (USHORT bytes_to_send, UBYTE fr_type);
+EXTERN USHORT snd_DurationToBytes   (USHORT trans_rate, USHORT duration);
+
+#ifdef _SIMULATION_
+EXTERN void snd_BuildStatusFrames(T_FAD_DATA_REQ *fad_data_req, USHORT max_bytes);
+#else
+EXTERN void snd_BuildStatusFrames(T_FAD_DATA_REQ *fad_data_req);
+#endif
+
+EXTERN void snd_StoreMsgData        (T_FAD_DATA_REQ *fad_data_req);
+EXTERN BOOL snd_SendMsgData         (UBYTE req_frames);
+
+#ifdef _SIMULATION_
+EXTERN void snd_SendBcsData (USHORT bytes_to_send);
+#else
+EXTERN void snd_SendBcsData (void);
+#endif
+
+/* SBM_RBM_BEGIN */
+/*
+ * Send Buffer Management SBM
+ */
+#ifdef OPTION_MULTITHREAD
+  #define sbm_init                  _ENTITY_PREFIXED(sbm_init)
+  #define sbm_store_prim            _ENTITY_PREFIXED(sbm_store_prim)
+  #define sbm_get_frame             _ENTITY_PREFIXED(sbm_get_frame)
+  #define sbm_free_empty_prims      _ENTITY_PREFIXED(sbm_free_empty_prims)
+#endif
+
+EXTERN void sbm_init       (USHORT frameSize);
+EXTERN void sbm_store_prim (T_SBM_PRIM *sendPrim);
+EXTERN BOOL sbm_get_frame  (T_FRAME_DESC *frameDesc, UBYTE reqFrames);
+EXTERN void sbm_free_empty_prims (void);
+
+/*
+ * Receive Buffer Management RBM
+ */
+
+#ifdef OPTION_MULTITHREAD
+  #define rbm_init            _ENTITY_PREFIXED(rbm_init           )
+  #define rbm_deinit          _ENTITY_PREFIXED(rbm_deinit         )
+  #define rbm_reset           _ENTITY_PREFIXED(rbm_reset          )
+  #define rbm_store_frames    _ENTITY_PREFIXED(rbm_store_frames   )
+  #define rbm_get_prim        _ENTITY_PREFIXED(rbm_get_prim       )
+  #define rbm_get_curr_prim   _ENTITY_PREFIXED(rbm_get_curr_prim  )
+#endif
+
+EXTERN void rbm_init(USHORT framesPerPrim);
+EXTERN void rbm_deinit(BOOL final);
+EXTERN void rbm_reset(void);
+
+EXTERN BOOL rbm_store_frames(T_FD *pFDw, BOOL *primIsReady);
+
+EXTERN T_RBM_PRIM *rbm_get_prim(void);
+EXTERN T_RBM_PRIM *rbm_get_curr_prim(void);
+
+/*
+ * Communication handles
+ */
+#ifdef OPTION_MULTITHREAD
+  #define hCommT30  _ENTITY_PREFIXED(hCommT30)
+#ifdef _SIMULATION_
+  #define hCommRA   _ENTITY_PREFIXED(hCommRA)
+#endif
+#endif
+
+#ifdef FAD_PEI_C
+
+GLOBAL T_HANDLE fad_handle;              /* own handle        */
+GLOBAL T_HANDLE hCommT30 = VSI_ERROR;    /* T30 Communication */
+#ifdef _SIMULATION_
+GLOBAL T_HANDLE hCommRA  = VSI_ERROR;    /* RA  Communication */
+#endif
+
+#else
+
+EXTERN T_HANDLE  fad_handle;             /* own handle         */
+EXTERN T_HANDLE  hCommT30;               /* T30  Communication */
+#ifdef _SIMULATION_
+EXTERN T_HANDLE  hCommRA;                /* RA   Communication */
+#endif
+
+#endif
+
+GLOBAL void fad_exec_timeout(USHORT index);
+
+#define BYTE2HEXSTR(B, H) {UBYTE b, *a = (UBYTE*)(H);\
+        b = (((UBYTE)(B)) >> 4) & 0x0F;\
+        if (b > 9) b += 'A'-10; else b += '0'; *a = b;\
+        b = ((UBYTE)(B)) & 0x0F;\
+        if (b > 9) b += 'A'-10; else b += '0'; *(a+1) = b;}
+
+#endif