FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/g23m-gsm/dl/dl_dcch3.c @ 947:76149e0628ba
target-utils/Makefile: c139explore added
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
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date | Mon, 02 Nov 2015 18:11:53 +0000 |
parents | 3b6cc1a90ef8 |
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rev | line source |
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : GSM-PS |
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4 | Modul : DL_DCCH3 |
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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 the slow |
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18 | dedicated control channel (SAPI 3) of the component DL |
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19 +----------------------------------------------------------------------------- |
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20 */ |
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21 |
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22 #ifndef DL_DCCH3_C |
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23 #define DL_DCCH3_C |
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24 |
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25 #include "config.h" |
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26 #include "fixedconf.h" |
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27 #include "condat-features.h" |
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28 |
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29 #define ENTITY_DL |
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30 |
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31 /*==== INCLUDES ===================================================*/ |
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32 |
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33 #include "typedefs.h" |
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34 #include <string.h> |
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35 #include "pconst.cdg" |
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36 #include "vsi.h" |
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37 #include "custom.h" |
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38 #include "gsm.h" |
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39 #include "mon_dl.h" |
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40 #include "prim.h" |
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41 #include "pei.h" |
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42 #include "tok.h" |
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43 #include "ccdapi.h" |
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44 #include "dl.h" |
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45 #include "dl_trc.h" |
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46 |
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47 |
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48 /*==== EXPORT =====================================================*/ |
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49 |
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50 /*==== PRIVAT =====================================================*/ |
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51 |
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52 /*==== VARIABLES ==================================================*/ |
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53 |
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54 /*==== FUNCTIONS ==================================================*/ |
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55 /* |
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56 +--------------------------------------------------------------------+ |
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57 | PROJECT : GSM-PS (6147) MODULE : DL_DCCH3 | |
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58 | STATE : code ROUTINE : dcch3_init_dl_data | |
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59 +--------------------------------------------------------------------+ |
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60 |
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61 PURPOSE : Initialisation of SDCCH data (SAPI 3) for an instance. |
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62 |
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63 */ |
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64 |
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65 GLOBAL void dcch3_init_dl_data (void) |
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66 { |
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67 GET_INSTANCE_DATA; |
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68 T_CCH *pcch = &dl_data->cch[C_DCCH3]; |
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69 |
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70 TRACE_FUNCTION ("dcch3_init_dl_data()"); |
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71 |
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72 memset (pcch, 0, sizeof (T_CCH)); |
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73 com_clear_queue (PS_SAPI_3); |
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74 |
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75 if (dl_data->dcch3_in_msg) |
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76 { |
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77 COM_FREE_POINTER (dl_data->dcch3_in_msg); |
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78 dl_data->dcch3_in_msg = NULL; |
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79 } |
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80 |
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81 dl_data->dcch3_disc_request = FALSE; |
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82 set_channel_state(C_DCCH3, STATE_DISABLED); |
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83 } |
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84 |
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85 /* |
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86 +--------------------------------------------------------------------+ |
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87 | PROJECT : GSM-PS (6147) MODULE : DL_DCCH3 | |
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88 | STATE : code ROUTINE : dcch3_enable | |
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89 +--------------------------------------------------------------------+ |
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90 |
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91 PURPOSE : Enabling SAPI 3 connections. |
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92 |
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93 */ |
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94 |
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95 GLOBAL void dcch3_enable (UBYTE ch_type) |
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96 { |
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97 GET_INSTANCE_DATA; |
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98 TRACE_FUNCTION ("dcch3_enable()"); |
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99 |
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100 switch (dl_data->state[C_DCCH3]) |
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101 { |
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102 case STATE_DISABLED: |
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|
103 set_channel_state (C_DCCH3, STATE_IDLE_DL); |
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104 dl_data->cch[C_DCCH3].ch_type = ch_type; |
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105 break; |
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106 default: |
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107 break; |
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108 } |
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109 } |
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110 |
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111 /* |
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112 +--------------------------------------------------------------------+ |
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113 | PROJECT : GSM-PS (6147) MODULE : DL_DCCH3 | |
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114 | STATE : code ROUTINE : dcch3_establish_req | |
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115 +--------------------------------------------------------------------+ |
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116 |
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117 PURPOSE : Establish Request for SDCCH (SAPI 3). |
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118 |
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119 */ |
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120 |
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121 GLOBAL void dcch3_establish_req (T_DL_ESTABLISH_REQ * est_req) |
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122 { |
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123 GET_INSTANCE_DATA; |
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124 TRACE_FUNCTION ("dcch3_establish_req()"); |
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125 |
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126 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH3, est_req->ch_type, "est req"); |
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127 |
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128 |
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129 switch (dl_data->state[C_DCCH3]) |
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130 { |
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131 case STATE_IDLE_DL: |
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132 case STATE_DISABLED: |
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133 case STATE_MULTIPLE_FRAME_ESTABLISHED: |
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134 case STATE_TIMER_RECOVERY: |
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135 { |
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136 T_CCH *pcch = &dl_data->cch[C_DCCH3]; |
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137 |
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138 pcch->ch_type = est_req->ch_type; |
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139 |
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|
140 dl_data->dcch3_disc_request = FALSE; |
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141 dl_data->dcch3_unserved = com_queue_awaiting_transmission (PS_SAPI_3) ? |
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|
142 DL_UNSERVED : DL_ALL_DONE; |
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143 |
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|
144 com_clear_queue (PS_SAPI_3); |
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|
145 pcch->vtx = SABM_CMD; |
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146 pcch->time_flag = TRUE; |
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147 pcch->rc = 0; |
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148 set_channel_state (C_DCCH3, STATE_AWAITING_ESTABLISHMENT); |
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|
149 TRACE_EVENT_WIN_P5 ("EST_REQ: %s SAPI=%u vtx=%s (%s#%u)", CH_TYPE_NAME[pcch->ch_type], |
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|
150 est_req->sapi, VTX_NAME[pcch->vtx], |
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|
151 __FILE10__, __LINE__); |
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|
152 } |
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153 |
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|
154 break; |
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|
155 default: |
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|
156 break; |
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|
157 } |
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|
158 COM_FREE_POINTER (est_req); |
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|
159 } |
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|
160 |
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|
161 /* |
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|
162 +--------------------------------------------------------------------+ |
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|
163 | PROJECT : GSM-PS (6147) MODULE : DL_SDCCH | |
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164 | STATE : code ROUTINE : sdcch3_release_req | |
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|
165 +--------------------------------------------------------------------+ |
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|
166 |
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|
167 PURPOSE : Release Request for SDCCH (SAPI 3). |
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|
168 |
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|
169 */ |
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|
170 |
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|
171 GLOBAL BOOL dcch3_release_req (T_DL_RELEASE_REQ * release_req) |
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|
172 { |
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|
173 GET_INSTANCE_DATA; |
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|
174 BOOL bFree = TRUE; |
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|
175 |
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|
176 TRACE_FUNCTION ("dcch3_release_req()"); |
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|
177 |
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|
178 if (release_req->mode EQ DL_LOCAL_END_RELEASE) |
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|
179 { |
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|
180 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH3, release_req->ch_type, "local end release req"); |
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|
181 bFree = FALSE; |
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|
182 } |
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|
183 else |
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|
184 { |
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|
185 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH3, release_req->ch_type, "normal release req"); |
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|
186 dl_data->cch[C_DCCH3].ch_type = release_req->ch_type; |
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|
187 switch (dl_data->state[C_DCCH3]) |
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|
188 { |
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|
189 default: |
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190 bFree = FALSE; |
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|
191 break; |
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|
192 |
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|
193 case STATE_AWAITING_ESTABLISHMENT: |
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|
194 case STATE_MULTIPLE_FRAME_ESTABLISHED: |
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|
195 case STATE_TIMER_RECOVERY: |
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196 if (!dl_data->dcch3_disc_request AND (dl_data->cch[C_DCCH3].vtx EQ RR_CMD)) |
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|
197 { |
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|
198 dl_data->dcch3_disc_request = TRUE; |
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|
199 } |
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|
200 else |
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|
201 { |
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|
202 com_prepare_DISC (C_DCCH3, release_req->sapi); |
2f7df7a314f8
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|
203 } |
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204 break; |
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205 |
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206 case STATE_AWAITING_RELEASE: |
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207 dl_data->cch[C_DCCH3].T200_counter = 0; |
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208 break; |
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209 } |
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210 } |
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211 |
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212 if (bFree EQ FALSE) |
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213 { |
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214 PREUSE (release_req, release_cnf, DL_RELEASE_CNF); |
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215 release_cnf->indication = |
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216 com_queue_awaiting_transmission (PS_SAPI_3) ? DL_UNSERVED : DL_ALL_DONE; |
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217 PSENDX (RR, release_cnf); |
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218 dcch3_init_dl_data (); |
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219 } |
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220 |
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221 return bFree; |
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222 } |
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223 |
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224 |
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225 /* |
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226 +--------------------------------------------------------------------+ |
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227 | PROJECT : GSM-PS (6147) MODULE : DL_DCCH3 | |
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228 | STATE : code ROUTINE : dcch3_mdl_release_req | |
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229 +--------------------------------------------------------------------+ |
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230 |
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231 PURPOSE : Release Request from Mobility Management for SDCCH (SAPI 3). |
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232 |
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233 */ |
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234 |
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235 GLOBAL void dcch3_mdl_release_req (void) |
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236 { |
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237 GET_INSTANCE_DATA; |
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238 TRACE_FUNCTION ("dcch3_mdl_release_req()"); |
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239 |
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240 DL_OFFLINE_TRACE (TRACE_DL_EVENT, C_DCCH3, dl_data->cch[C_DCCH3].ch_type, "mdl rel req"); |
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241 |
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242 switch (dl_data->state[C_DCCH3]) |
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243 { |
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244 case STATE_AWAITING_ESTABLISHMENT: |
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245 case STATE_TIMER_RECOVERY: |
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246 case STATE_AWAITING_RELEASE: |
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247 drr_dl_release_cnf (dl_data->cch[C_DCCH3].ch_type, PS_SAPI_3, TRUE); |
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248 break; |
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249 |
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250 case STATE_MULTIPLE_FRAME_ESTABLISHED: |
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251 drr_dl_release_ind (dl_data->cch[C_DCCH3].ch_type, PS_SAPI_3, NOT_PRESENT_8BIT, TRUE); |
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252 break; |
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253 |
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254 default: |
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255 break; |
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256 } |
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257 } |
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258 |
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259 /* |
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260 +--------------------------------------------------------------------+ |
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261 | PROJECT : GSM-PS (6147) MODULE : DL_DCCH3 | |
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262 | STATE : code ROUTINE : dcch3_data_req | |
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263 +--------------------------------------------------------------------+ |
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264 |
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265 PURPOSE : Data Request on SDCCH (SAPI 3). |
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266 |
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267 */ |
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268 |
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269 GLOBAL void dcch3_data_req (T_DL_DATA_REQ * data_req) |
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270 { |
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271 GET_INSTANCE_DATA; |
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272 TRACE_FUNCTION ("dcch3_data_req()"); |
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273 |
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274 switch (dl_data->state[C_DCCH3]) |
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275 { |
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276 case STATE_MULTIPLE_FRAME_ESTABLISHED: |
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277 case STATE_TIMER_RECOVERY: |
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278 com_store_queue (PS_SAPI_3, data_req); |
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279 break; |
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280 |
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281 default: |
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282 COM_FREE_POINTER (data_req); |
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283 break; |
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284 } |
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285 } |
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286 |
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287 /* |
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288 +--------------------------------------------------------------------+ |
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289 | PROJECT : GSM-PS (6147) MODULE : DL_SDCCH | |
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290 | STATE : code ROUTINE : dcch3_check_disc | |
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291 +--------------------------------------------------------------------+ |
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292 |
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293 PURPOSE : DISC command frame on DCCH3. |
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294 |
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295 */ |
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296 |
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297 GLOBAL int dcch3_check_disc (int send) |
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298 { |
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299 GET_INSTANCE_DATA; |
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300 TRACE_FUNCTION ("dcch3_check_disc()"); |
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301 |
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302 if (dl_data->dcch3_disc_request AND !(dl_data->cch[C_DCCH3].vtx EQ RR_CMD)) |
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303 { |
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304 com_prepare_DISC (C_DCCH3, PS_SAPI_3); |
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305 return uplink_awaiting_release (C_DCCH3, PS_SAPI_3); |
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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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306 } |
2f7df7a314f8
gsm-fw/g23m-gsm subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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307 else |
2f7df7a314f8
gsm-fw/g23m-gsm subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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308 return send; |
2f7df7a314f8
gsm-fw/g23m-gsm subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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changeset
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309 } |
2f7df7a314f8
gsm-fw/g23m-gsm subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
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310 #endif /* DL_DCCH3_C */ |