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annotate src/g23m-gprs/llc/llc_uitxf.c @ 702:9394305d4ff5 default tip

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etm_audio.c: fix off-by-one error in auw of FIR coefficients This fix was already made in FC Tourmaline a while back, but it is also the kind of bugfix that deserves to be backported to Magnetite and Selenite as well.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 31 Oct 2022 00:14:44 +0000 (2022-10-31)
parents 219afcfc6250
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project :
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4 | Modul :
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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 is part of the entity LLC and implements all
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18 | procedures and functions as described in the
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19 | SDL-documentation (UITX-statemachine)
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20 +-----------------------------------------------------------------------------
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21 */
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22
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23 #ifndef LLC_UITXF_C
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24 #define LLC_UITXF_C
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25 #endif
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26
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27 #define ENTITY_LLC
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28
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29 /*==== INCLUDES =============================================================*/
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30
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31 #include "typedefs.h" /* to get Condat data types */
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32 #include "vsi.h" /* to get a lot of macros */
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33 #include "macdef.h"
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34 #include "gprs.h"
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35 #include "gsm.h" /* to get a lot of macros */
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36 #include "cnf_llc.h" /* to get cnf-definitions */
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37 #include "mon_llc.h" /* to get mon-definitions */
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38 #include "prim.h" /* to get the definitions of used SAP and directions */
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39 #include "llc.h" /* to get the global entity definitions */
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40
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41 /*==== CONST ================================================================*/
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42
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43 /*==== LOCAL VARS ===========================================================*/
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44
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45 /*==== PRIVATE FUNCTIONS ====================================================*/
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46
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47 /*==== PUBLIC FUNCTIONS =====================================================*/
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48
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49
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50
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51 /*
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52 +------------------------------------------------------------------------------
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53 | Function : uitx_init
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54 +------------------------------------------------------------------------------
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55 | Description : This procedure initialises all necessary variables of
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56 | ui_frames_tx for all SAPIs.
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57 |
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58 | Parameters :
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59 |
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60 +------------------------------------------------------------------------------
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61 */
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62 GLOBAL void uitx_init (void)
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63 {
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64 TRACE_FUNCTION( "uitx_init" );
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65
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66 /*
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67 * Initialise every incarnation of UITX with state TLLI_UNASSIGNED_NOT_READY.
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68 */
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69 SWITCH_SERVICE (llc, uitx, 0);
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70 INIT_STATE (UITX_0, UITX_TLLI_UNASSIGNED_NOT_READY);
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71
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72 SWITCH_SERVICE (llc, uitx, 1);
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73 INIT_STATE (UITX_1, UITX_TLLI_UNASSIGNED_NOT_READY);
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74
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75 SWITCH_SERVICE (llc, uitx, 2);
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76 INIT_STATE (UITX_2, UITX_TLLI_UNASSIGNED_NOT_READY);
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77
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78 SWITCH_SERVICE (llc, uitx, 3);
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79 INIT_STATE (UITX_3, UITX_TLLI_UNASSIGNED_NOT_READY);
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80
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81 SWITCH_SERVICE (llc, uitx, 4);
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82 INIT_STATE (UITX_4, UITX_TLLI_UNASSIGNED_NOT_READY);
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83
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84 SWITCH_SERVICE (llc, uitx, 5);
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85 INIT_STATE (UITX_5, UITX_TLLI_UNASSIGNED_NOT_READY);
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86
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87 return;
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88 } /* uitx_init() */
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89
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90
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91
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92 /*
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93 +------------------------------------------------------------------------------
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94 | Function : uitx_init_sapi
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95 +------------------------------------------------------------------------------
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96 | Description : This procedure initialises all necessary variables of
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97 | ui_frames_tx for the given SAPI.
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98 |
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99 | Parameters :
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100 |
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101 +------------------------------------------------------------------------------
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102 */
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103 GLOBAL void uitx_init_sapi (void)
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104 {
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105 TRACE_FUNCTION( "uitx_init_sapi" );
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106
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107 /*
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108 * <R.LLC.TLLI_ASS.A.007>, <R.LLC.TLLI_ASS.A.008>
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109 */
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110 llc_data->uitx->vu = 0;
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111
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112 return;
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113 } /* uitx_init_sapi() */
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114
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115
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116
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parents:
diff changeset
117 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 | Function : uitx_build_ui_header
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 | Description : This procedure inserts the address and control field of an UI
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 | frame in the given sdu. sdu already contains the user data.
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 | The variable cipher indicates the setting of the E bit. The
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 | variable relclass contains the information if the frame shall
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 | be transmitted in protected or unprotected mode, which is
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 | needed in this function to set the PM bit properly.
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 |
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 | Parameters : sdu - a valid pointer to a T_sdu variable, must contain enough
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 | spare octets at the beginning for the LLC header fields
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 | (address + control field = 3 octets for UI frames)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 | cr_bit - C/R bit
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 | sapi - a valid SAPI for unacknowledged operation
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 | nu - N(U)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 | cipher - ciphering indicator (see LL SAP: LL-UNITDATA-REQ)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 | relclass - QoS reliability class (see LL SAP), must not be set
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 | to LL_RELCLASS_SUB
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 |
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 +------------------------------------------------------------------------------
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 GLOBAL void uitx_build_ui_header
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 (
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 #ifdef LL_DESC
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 T_desc_list3* desc_list3,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144 #else
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 T_sdu *sdu,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 #endif
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 T_BIT cr_bit,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 UBYTE sapi,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 T_FRAME_NUM nu,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 UBYTE cipher,
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 UBYTE relclass
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152 )
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 #ifdef LL_DESC
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 T_desc3 *desc3 = (T_desc3*)(desc_list3->first);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 UBYTE *buf = (UBYTE*)(desc3->buffer);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 #endif
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 TRACE_FUNCTION( "uitx_build_ui_header" );
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 #ifdef LL_DESC
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 * set new offset (3 octets earlier) and new length of desc_list3
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 desc3->offset -= UI_CTRL_MIN_OCTETS;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 desc3->len += UI_CTRL_MIN_OCTETS;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 desc_list3->list_len += UI_CTRL_MIN_OCTETS;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 * insert address field (PD is always 0)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 buf[desc3->offset] = ((UBYTE)cr_bit << 6) | sapi;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 * insert 1st octet of control field
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 * (UI code + 3 most significant bits of N(U))
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 buf[desc3->offset+1]= 0xC0 | (UBYTE)(nu >> 6);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 * insert 2nd octet of control field
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
183 * (6 least significant bits of N(U) + E bit + PM bit)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
184 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
185 buf[desc3->offset+2]= (((UBYTE)nu & 0x3F) << 2);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
186
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
187 if (cipher == LL_CIPHER_ON)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
188 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
189 buf[desc3->offset+2] |= 0x02;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
190 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
191
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
192 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
193 * all reliability classes except LL_NO_REL request protected data
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
194 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
195 if (relclass != LL_NO_REL)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
196 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
197 buf[desc3->offset+2] |= 0x01;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
198 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
199
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
200 return;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
201
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
202 #else
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
203
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
204 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
205 * set new offset (3 octets earlier) and new length of sdu
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
206 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
207 sdu->o_buf -= UI_CTRL_MIN_OCTETS * 8;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
208 sdu->l_buf += UI_CTRL_MIN_OCTETS * 8;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
209
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
210 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
211 * insert address field (PD is always 0)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
212 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
213 sdu->buf[sdu->o_buf/8] = ((UBYTE)cr_bit << 6) | sapi;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
214
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
215 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
216 * insert 1st octet of control field
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
217 * (UI code + 3 most significant bits of N(U))
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
218 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
219 sdu->buf[(sdu->o_buf/8)+1] = 0xC0 | (UBYTE)(nu >> 6);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
220
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
221 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
222 * insert 2nd octet of control field
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
223 * (6 least significant bits of N(U) + E bit + PM bit)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
224 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
225 sdu->buf[(sdu->o_buf/8)+2] = (((UBYTE)nu & 0x3F) << 2);
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
226
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
227 if (cipher == LL_CIPHER_ON)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
228 {
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
229 sdu->buf[(sdu->o_buf/8)+2] |= 0x02;
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
230 }
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
231
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
232 /*
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
233 * all reliability classes except LL_NO_REL request protected data
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
234 */
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
235 if (relclass != LL_NO_REL)
219afcfc6250 src/g23m-gprs: initial import from TCS3.2/LoCosto
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236 {
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237 sdu->buf[(sdu->o_buf/8)+2] |= 0x01;
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238 }
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239
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240 return;
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241
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242 #endif /* LL_DESC */
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243
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244 } /* uitx_build_ui_header() */