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annotate src/g23m-fad/t30/t30_bcss.c @ 222:79cb194284ca

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doc/Freerunner-Howto: update for the TCS2/TCS3 hybrid development
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 16 Oct 2016 00:26:26 +0000
parents 90eb61ecd093
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : GSM-F&D (8411)
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4 | Modul : t30_bcss
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5 +-----------------------------------------------------------------------------
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6 | Copyright 2002 Texas Instruments Berlin, AG
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7 | All rights reserved.
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8 |
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9 | This file is confidential and a trade secret of Texas
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10 | Instruments Berlin, AG
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11 | The receipt of or possession of this file does not convey
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12 | any rights to reproduce or disclose its contents or to
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13 | manufacture, use, or sell anything it may describe, in
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14 | whole, or in part, without the specific written consent of
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15 | Texas Instruments Berlin, AG.
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16 +-----------------------------------------------------------------------------
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17 | Purpose : This Modul defines the functions for processing
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18 | of incomming signals for the component T30
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19 | of the mobile station
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20 +-----------------------------------------------------------------------------
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21 */
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22
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23 #ifndef T30_BCSS_C
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24 #define T30_BCSS_C
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25 #endif
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26
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27 #define ENTITY_T30
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28
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29 /*==== INCLUDES ===================================================*/
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30
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31 #include <string.h>
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32 #include <stdlib.h>
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33 #include <stddef.h>
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34 #include "typedefs.h"
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35 #include "pcm.h"
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36 #include "vsi.h"
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37 #include "macdef.h"
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38 #include "pconst.cdg"
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39 #include "mconst.cdg"
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40 #include "message.h"
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41 #include "ccdapi.h"
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42 #include "custom.h"
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43 #include "gsm.h"
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44 #include "prim.h"
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45 #include "cnf_t30.h"
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46 #include "mon_t30.h"
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47 #include "pei.h"
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48 #include "tok.h"
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49 #include "dti.h" /* functionality of the dti library */
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50 #include "t30.h"
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51
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52 /*==== CONST =======================================================*/
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53
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54 /*==== TYPES =======================================================*/
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55
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56 /*==== VAR EXPORT ==================================================*/
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57
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58 /*==== VAR LOCAL ===================================================*/
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59
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60 /*==== FUNCTIONS ===================================================*/
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61
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62 /*
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63 +--------------------------------------------------------------------+
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64 | PROJECT : GSM-F&D (8411) MODULE : T30_BCSF |
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65 | STATE : code ROUTINE : bcs_encode |
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66 +--------------------------------------------------------------------+
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67
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68 PURPOSE : This function encodes an HDLC frame.
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69 */
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70
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71 LOCAL UBYTE bcs_encode(void)
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72 {
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73 SHORT ret;
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74 T_sdu *BCI_stream = (T_sdu*)t30_data->BCI_stream;
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75
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76 BCI_stream->o_buf = 16;
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77 BCI_stream->l_buf = BIT_STREAM_LEN_BYT * 8;
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78
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79 ret = ccd_codeMsg(CCDENT_T30, UPLINK, (T_MSGBUF*)BCI_stream, _decodedMsg, HDLC_ADDR);
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80
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81 if (ret EQ ccdError)
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82 {
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83 TRACE_EVENT ("ERROR: ccd_encode") ;
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84 }
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85
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86 #ifdef _SIMULATION_ /* show contents of buffer */
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87 if (t30_data->test_mode & TST_BUF)
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88 {
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89 if (ret EQ ccdOK)
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90 {
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91 ker_debug("ccd_encode", &BCI_stream->buf[3], (USHORT)(BCI_stream->l_buf >> 3));
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92 }
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93 }
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94 #endif
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95
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96 return ((ret EQ ccdError) ? CCD_ERR : CCD_OK);
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97 }
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98
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99 /*
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100 +--------------------------------------------------------------------+
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101 | PROJECT : GSM-F&D (8411) MODULE : T30_BCSS |
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102 | STATE : code ROUTINE : sig_ker_bcs_bdat_req|
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103 +--------------------------------------------------------------------+
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104
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105 PURPOSE : Process signal BDAT_REQ received from process KER.
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106 The received bcs_data is encoded and collected.
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107 */
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108
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109 GLOBAL void sig_ker_bcs_bdat_req (UBYTE final)
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110 {
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111 T_FAD_DATA_REQ *fad_data_req_fin;
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112
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113 TRACE_FUNCTION ("sig_ker_bcs_bdat_req()");
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114
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115 if (t30_data->fad_data_req EQ NULL)
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116 {
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117 PALLOC_SDU (fad_data_req, FAD_DATA_REQ, BCS_FRM_SIZE_BITS);
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118 memset (fad_data_req, 0, sizeof (T_FAD_DATA_REQ));
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 t30_data->fad_data_req = fad_data_req;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 t30_data->stuff_bits = 8;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 else
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 bcs_bcs_encode(CTL_C0, FINAL_NO);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 switch (bcs_encode())
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 case CCD_OK:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 if (!final)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 bcs_bcs_encode (CTL_C8, FINAL_YES);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 fad_data_req_fin = t30_data->fad_data_req;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 t30_data->fad_data_req = NULL;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 fad_data_req_fin->final = TRUE;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 fad_data_req_fin->trans_rate = R_BCS;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 sig_bcs_mux_bcs_req(fad_data_req_fin);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 case CCD_ERR:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 PFREE (t30_data->fad_data_req);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 t30_data->fad_data_req = NULL;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 snd_error_ind(ERR_CCD_ENC);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 /*
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 +--------------------------------------------------------------------+
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 | PROJECT : GSM-F&D (8411) MODULE : T30_BCSS |
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 | STATE : code ROUTINE : sig_mux_bcs_bcs_ind |
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 +--------------------------------------------------------------------+
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 PURPOSE : Process signal BCS_IND received from process MUX.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 The received bcs_data is collected, destuffed and
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 decoded. The decoded data is sent to the kernel.
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 */
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 GLOBAL void sig_mux_bcs_bcs_ind (T_FAD_DATA_IND *fad_data_ind)
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 TRACE_FUNCTION ("sig_mux_bcs_bcs_ind()");
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 switch (bcs_fill_bcs_frm(fad_data_ind))
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 {
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 case BCS_FRM_FILLING:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 return;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 case BCS_FRM_FILLED:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 bcs_bcs_decode();
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 case BCS_FRM_FULL:
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 sig_bcs_ker_err_ind(ERR_BUF_FULL);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 break;
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 memset (t30_data->bcs_frm, 0, BCS_FRM_SIZE);
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 }
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178
90eb61ecd093 src/g23m-fad: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179