FreeCalypso > hg > fc-magnetite

annotate src/g23m-gsm/dl/dl_sacch0.c @ 639:026c98f757a6

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tpudrv12.h & targets/gtm900.h: our current support is for MGC2GSMT version only As it turns out, there exist two different Huawei-made hw platforms both bearing the marketing name GTM900-B: one is MG01GSMT, the other is MGC2GSMT. The two are NOT fw-compatible: aside from flash chip differences which should be handled by autodetection, the two hw platforms are already known to have different RFFEs with different control signals, and there may be other differences not yet known. Our current gtm900 build target is for MGC2GSMT only; we do not yet have a specimen of MG01GSMT on hand, hence no support for that version will be possible until and unless someone provides one.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 30 Jan 2020 18:19:01 +0000
parents 27a4235405c6
children
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104
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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_SACCH0
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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 associated
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18 | control channel SACCH (only SAPI=0) 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_SACCH0_C
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23 #define DL_SACCH0_C
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24
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25 #define ENTITY_DL
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26
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27 /*==== INCLUDES ===================================================*/
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28
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29 #include "typedefs.h"
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30 #include <string.h>
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31 #include "pconst.cdg"
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32 #include "vsi.h"
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33 #include "custom.h"
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34 #include "gsm.h"
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35 #include "mon_dl.h"
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36 #include "prim.h"
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37 #include "pei.h"
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38 #include "tok.h"
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39 #include "ccdapi.h"
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40 #include "dl.h"
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41 #include "dl_trc.h"
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42
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43 /*==== EXPORT =====================================================*/
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44
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45 /*==== PRIVAT =====================================================*/
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46
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47 /*==== VARIABLES ==================================================*/
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48 GLOBAL const T_FRAME meas_report_no_nc =
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49 {
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50 N201_SACCH*8,
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51 24,
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52 {
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53 0x00, 0x00, 0x00,
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54 0x06, 0x15, 0x1E, 0x1E, 0x7E,
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55 0x00, 0x00, 0x00, 0x00, 0x00,
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56 0x00, 0x00, 0x00, 0x00, 0x00,
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57 0x00, 0x00, 0x00, 0x00, 0x00
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58 }
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59 };
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60 LOCAL const T_FRAME meas_report_invalid =
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61 {
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62 N201_SACCH*8,
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63 24,
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64 {
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65 0x00, 0x00, 0x00,
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66 0x06, 0x15, 0x00, 0x40, 0x00,
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67 0x00, 0x00, 0x00, 0x00, 0x00,
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68 0x00, 0x00, 0x00, 0x00, 0x00,
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69 0x00, 0x00, 0x00, 0x00, 0x00
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70 }
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71 };
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72
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73
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74 /*==== FUNCTIONS ==================================================*/
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75 /*
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76 +--------------------------------------------------------------------+
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77 | PROJECT : GSM-PS (6147) MODULE : DL_SACCH0 |
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78 | STATE : code ROUTINE : sacch_init_dl_data |
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79 +--------------------------------------------------------------------+
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80
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81 PURPOSE : Initialisation of SACCH data for an instance.
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82
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83 */
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84
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85 GLOBAL void sacch0_init_dl_data (void)
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86 {
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87 GET_INSTANCE_DATA;
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88 T_CCH *pcch = &dl_data->cch[C_SACCH0];
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89 TRACE_FUNCTION ("sacch_init_dl_data()");
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90
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91 memset (pcch, 0, sizeof (T_CCH));
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92 pcch->ch_type = L2_CHANNEL_SACCH;
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93
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94 if (dl_data->dcch3_in_msg)
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95 {
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96 COM_FREE_POINTER (dl_data->dcch3_in_msg);
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97 dl_data->dcch3_in_msg = NULL;
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98 }
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99
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100 sacch0_reset_meas ();
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101 }
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102
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103 /*
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104 +--------------------------------------------------------------------+
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105 | PROJECT : GSM-PS (6147) MODULE : DL_SACCH0 |
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106 | STATE : code ROUTINE : sacch0_reset_meas |
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107 +--------------------------------------------------------------------+
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108
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109 PURPOSE : Reset measurement reports and sacch_mode.
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110
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111 */
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112
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113 GLOBAL void sacch0_reset_meas (void)
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114 {
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115 GET_INSTANCE_DATA;
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116 dl_data->sacch_act_buffer = meas_report_no_nc;
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117 dl_data->sacch_last_buffer= meas_report_no_nc;
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118 dl_data->sacch_mode = 2;
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119 }
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120
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121 /*
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122 +--------------------------------------------------------------------+
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123 | PROJECT : GSM-PS (6147) MODULE : DL_SACCH0 |
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124 | STATE : code ROUTINE : sacch_send_data |
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125 +--------------------------------------------------------------------+
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126
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127 PURPOSE : Send unacknowledged data on SACCH, SAPI=0.
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128
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129 */
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130
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Mychaela Falconia <falcon@freecalypso.org>
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131 GLOBAL void sacch0_send_data (void)
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132 {
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Mychaela Falconia <falcon@freecalypso.org>
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133 GET_INSTANCE_DATA;
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Mychaela Falconia <falcon@freecalypso.org>
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134 TRACE_FUNCTION ("sacch_send_data()");
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135
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Mychaela Falconia <falcon@freecalypso.org>
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136 TRACE_EVENT_WIN_P2 ("SACCH0 MODE = %d, %s", dl_data->sacch_mode,
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Mychaela Falconia <falcon@freecalypso.org>
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137 (dl_data->rr_short_pd_buffer.l_buf AND
27a4235405c6 src/g23m-gsm: import from LoCosto source
Mychaela Falconia <falcon@freecalypso.org>
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138 dl_data->rr_short_pd_ch_type EQ L2_CHANNEL_SACCH) ? "RR short PD" : "normal");
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Mychaela Falconia <falcon@freecalypso.org>
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139
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Mychaela Falconia <falcon@freecalypso.org>
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140 if (dl_data->rr_short_pd_buffer.l_buf AND
27a4235405c6 src/g23m-gsm: import from LoCosto source
Mychaela Falconia <falcon@freecalypso.org>
parents:
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141 dl_data->rr_short_pd_ch_type EQ L2_CHANNEL_SACCH)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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142 { /* RR message with short PD, short L2 header type 1, format Bter */
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Mychaela Falconia <falcon@freecalypso.org>
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143 com_build_UI_Bter (L2_CHANNEL_SACCH);
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Mychaela Falconia <falcon@freecalypso.org>
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144 }
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Mychaela Falconia <falcon@freecalypso.org>
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145 else
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Mychaela Falconia <falcon@freecalypso.org>
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146 { /* format A or B */
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Mychaela Falconia <falcon@freecalypso.org>
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147 if (dl_data->sacch_mode EQ 2)
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Mychaela Falconia <falcon@freecalypso.org>
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148 {
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Mychaela Falconia <falcon@freecalypso.org>
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149 com_build_UI_command (L2_CHANNEL_SACCH, PS_SAPI_0, &meas_report_invalid);
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150 }
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Mychaela Falconia <falcon@freecalypso.org>
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151 else
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Mychaela Falconia <falcon@freecalypso.org>
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152 {
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Mychaela Falconia <falcon@freecalypso.org>
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153 if (dl_data->dl_active EQ FALSE)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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154 dl_data->sacch_last_buffer = dl_data->sacch_act_buffer;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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155
27a4235405c6 src/g23m-gsm: import from LoCosto source
Mychaela Falconia <falcon@freecalypso.org>
parents:
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156 com_build_UI_command (L2_CHANNEL_SACCH, PS_SAPI_0, &dl_data->sacch_last_buffer);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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157 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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158 if (dl_data->sacch_mode)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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159 dl_data->sacch_mode--;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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160 }
27a4235405c6 src/g23m-gsm: import from LoCosto source
Mychaela Falconia <falcon@freecalypso.org>
parents:
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161 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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162
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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163 #endif
27a4235405c6 src/g23m-gsm: import from LoCosto source
Mychaela Falconia <falcon@freecalypso.org>
parents:
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164