/* +----------------------------------------------------------------------------- | Project : GSM-F&D (8411)| Modul : t30_bcss+----------------------------------------------------------------------------- | 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 T30| of the mobile station+----------------------------------------------------------------------------- */ #ifndef T30_BCSS_C#define T30_BCSS_C#endif#define ENTITY_T30/*==== INCLUDES ===================================================*/#include <string.h>#include <stdlib.h>#include <stddef.h>#include "typedefs.h"#include "pcm.h"#include "vsi.h"#include "macdef.h"#include "pconst.cdg"#include "mconst.cdg"#include "message.h"#include "ccdapi.h"#include "custom.h"#include "gsm.h"#include "prim.h"#include "cnf_t30.h"#include "mon_t30.h"#include "pei.h"#include "tok.h"#include "dti.h" /* functionality of the dti library */#include "t30.h"/*==== CONST =======================================================*//*==== TYPES =======================================================*//*==== VAR EXPORT ==================================================*//*==== VAR LOCAL ===================================================*//*==== FUNCTIONS ===================================================*//*+--------------------------------------------------------------------+| PROJECT : GSM-F&D (8411) MODULE : T30_BCSF || STATE : code ROUTINE : bcs_encode |+--------------------------------------------------------------------+ PURPOSE : This function encodes an HDLC frame.*/LOCAL UBYTE bcs_encode(void){ SHORT ret; T_sdu *BCI_stream = (T_sdu*)t30_data->BCI_stream; BCI_stream->o_buf = 16; BCI_stream->l_buf = BIT_STREAM_LEN_BYT * 8; ret = ccd_codeMsg(CCDENT_T30, UPLINK, (T_MSGBUF*)BCI_stream, _decodedMsg, HDLC_ADDR); if (ret EQ ccdError) { TRACE_EVENT ("ERROR: ccd_encode") ; }#ifdef _SIMULATION_ /* show contents of buffer */ if (t30_data->test_mode & TST_BUF) { if (ret EQ ccdOK) { ker_debug("ccd_encode", &BCI_stream->buf[3], (USHORT)(BCI_stream->l_buf >> 3)); } }#endif return ((ret EQ ccdError) ? CCD_ERR : CCD_OK);}/*+--------------------------------------------------------------------+| PROJECT : GSM-F&D (8411) MODULE : T30_BCSS || STATE : code ROUTINE : sig_ker_bcs_bdat_req|+--------------------------------------------------------------------+ PURPOSE : Process signal BDAT_REQ received from process KER. The received bcs_data is encoded and collected.*/GLOBAL void sig_ker_bcs_bdat_req (UBYTE final){ T_FAD_DATA_REQ *fad_data_req_fin; TRACE_FUNCTION ("sig_ker_bcs_bdat_req()"); if (t30_data->fad_data_req EQ NULL) { PALLOC_SDU (fad_data_req, FAD_DATA_REQ, BCS_FRM_SIZE_BITS); memset (fad_data_req, 0, sizeof (T_FAD_DATA_REQ)); t30_data->fad_data_req = fad_data_req; t30_data->stuff_bits = 8; } else bcs_bcs_encode(CTL_C0, FINAL_NO); switch (bcs_encode()) { case CCD_OK: if (!final) return; bcs_bcs_encode (CTL_C8, FINAL_YES); fad_data_req_fin = t30_data->fad_data_req; t30_data->fad_data_req = NULL; fad_data_req_fin->final = TRUE; fad_data_req_fin->trans_rate = R_BCS; sig_bcs_mux_bcs_req(fad_data_req_fin); break; case CCD_ERR: PFREE (t30_data->fad_data_req); t30_data->fad_data_req = NULL; snd_error_ind(ERR_CCD_ENC); break; }}/*+--------------------------------------------------------------------+| PROJECT : GSM-F&D (8411) MODULE : T30_BCSS || STATE : code ROUTINE : sig_mux_bcs_bcs_ind |+--------------------------------------------------------------------+ PURPOSE : Process signal BCS_IND received from process MUX. The received bcs_data is collected, destuffed and decoded. The decoded data is sent to the kernel.*/GLOBAL void sig_mux_bcs_bcs_ind (T_FAD_DATA_IND *fad_data_ind){ TRACE_FUNCTION ("sig_mux_bcs_bcs_ind()"); switch (bcs_fill_bcs_frm(fad_data_ind)) { case BCS_FRM_FILLING: return; case BCS_FRM_FILLED: bcs_bcs_decode(); break; case BCS_FRM_FULL: sig_bcs_ker_err_ind(ERR_BUF_FULL); break; } memset (t30_data->bcs_frm, 0, BCS_FRM_SIZE);}