annotate gsm-fw/g23m-gsm/dl/dl_sacch0.c @ 700:2913c4fdd34a

top level README: describe the project at a higher level
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Thu, 02 Oct 2014 00:06:50 +0000
parents 2f7df7a314f8
children bf58458efda0
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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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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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27 /*==== INCLUDES ===================================================*/
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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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43 /*==== EXPORT =====================================================*/
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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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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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Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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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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131 GLOBAL void sacch0_send_data (void)
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132 {
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133 GET_INSTANCE_DATA;
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parents:
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134 TRACE_FUNCTION ("sacch_send_data()");
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135
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parents:
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136 TRACE_EVENT_WIN_P2 ("SACCH0 MODE = %d, %s", dl_data->sacch_mode,
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137 (dl_data->rr_short_pd_buffer.l_buf AND
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parents:
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138 dl_data->rr_short_pd_ch_type EQ L2_CHANNEL_SACCH) ? "RR short PD" : "normal");
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parents:
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139
2f7df7a314f8 gsm-fw/g23m-gsm subtree: initial import from LoCosto source
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parents:
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140 if (dl_data->rr_short_pd_buffer.l_buf AND
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parents:
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141 dl_data->rr_short_pd_ch_type EQ L2_CHANNEL_SACCH)
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142 { /* RR message with short PD, short L2 header type 1, format Bter */
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parents:
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143 com_build_UI_Bter (L2_CHANNEL_SACCH);
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144 }
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parents:
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145 else
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146 { /* format A or B */
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147 if (dl_data->sacch_mode EQ 2)
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148 {
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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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parents:
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151 else
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152 {
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parents:
diff changeset
153 if (dl_data->dl_active EQ FALSE)
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parents:
diff changeset
154 dl_data->sacch_last_buffer = dl_data->sacch_act_buffer;
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parents:
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155
2f7df7a314f8 gsm-fw/g23m-gsm subtree: initial import from LoCosto source
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
156 com_build_UI_command (L2_CHANNEL_SACCH, PS_SAPI_0, &dl_data->sacch_last_buffer);
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parents:
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157 }
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parents:
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158 if (dl_data->sacch_mode)
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parents:
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159 dl_data->sacch_mode--;
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parents:
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160 }
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parents:
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161 }
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parents:
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162
2f7df7a314f8 gsm-fw/g23m-gsm subtree: initial import from LoCosto source
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parents:
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163 #endif
2f7df7a314f8 gsm-fw/g23m-gsm subtree: initial import from LoCosto source
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parents:
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164