FreeCalypso > hg > fc-tourmaline

annotate src/g23m-aci/aci/hl_audio_drv.c @ 222:c336ed5691a5

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FCHG: clear BCICTL2 on boot for extra safety
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 26 Apr 2021 22:04:10 +0000
parents fa8dc04885d8
children
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1
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : GSM-PS (6147)
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4 | Modul : AOC
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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 module defines the functions for the high level audio
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18 driver interface.
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19 +-----------------------------------------------------------------------------
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20 */
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21
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22
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23 #ifndef HL_AUDIO_DRV_C
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24 #define HL_AUDIO_DRV_C
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25 #endif
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26
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27 #include "aci_all.h"
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28 #include "aci_cmh.h"
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29 #include "aci.h"
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30 #include "psa.h"
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31 #include "hl_audio_drv.h"
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32 #include "rv/rv_general.h"
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33 #include "audio/audio_api.h"
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34 #include "fc-target.h"
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35
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36
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37 /* ===============GLOBAL VARIABLES====================*/
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38
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39 LOCAL T_HL_VOCODER_STATE currVocoderState;
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40
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41 #ifdef CONFIG_MCSI_MODEM
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42 GLOBAL UBYTE aci_digital_voice_autoswitch;
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43 #endif
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44
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45
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46 /* =============FUNCTION DEFINITIONS FOR L1===========*/
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47 #ifdef VOCODER_FUNC_INTERFACE
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48 void vocoder_mute_dl( BOOL mute );
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49 void vocoder_mute_ul( BOOL mute );
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50 void enable_tch_vocoder (BOOL vocoder_on);
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51 #endif /* VOCODER_FUNC_INTERFACE */
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52
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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 +-------------------------------------------------------------------+
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58 | PROJECT : GSM-PS (6147) MODULE : HL_AUDIO_DRV |
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59 | ROUTINE : hl_audio_drv_init |
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60 +-------------------------------------------------------------------+
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61
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62 PURPOSE : This function is called to initialise the variables in
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63 the High Level Audio driver
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64 */
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65 GLOBAL void hl_audio_drv_init (void)
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66 {
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67 TRACE_FUNCTION("hl_audio_drv_init()");
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68
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69 currVocoderState = HL_VOCODER_DISABLED;
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70 }
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71
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72 #ifdef CONFIG_MCSI_MODEM
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73 static void audio_mode_callback(void *event_from_audio)
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74 {
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75 /* do nothing at this time */
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76 }
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77 #endif
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78
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79 /*
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80 +-------------------------------------------------------------------+
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81 | PROJECT : GSM-PS (6147) MODULE : PSA_CCF |
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82 | ROUTINE : hl_drv_set_vocoder_state|
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83 +-------------------------------------------------------------------+
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84
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85 PURPOSE : This function will enable or disable vocoder as needed,
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86 and possibly also enable/disable the MCSI digital voice
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87 path if running on a FreeCalypso modem in the digital
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88 voice interface configuration.
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89 */
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90 GLOBAL void hl_drv_set_vocoder_state(BOOL user_attach)
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91 {
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92 #ifdef CONFIG_MCSI_MODEM
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93 T_AUDIO_VOICE_PATH_SETTING vpath;
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94 T_AUDIO_FULL_ACCESS_WRITE audio_param;
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95 T_RV_RETURN return_path;
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96 #endif
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97
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98 TRACE_FUNCTION("hl_drv_set_vocoder_state");
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99
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100 if ( (user_attach EQ TRUE AND currVocoderState EQ HL_VOCODER_ENABLED) OR
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101 (user_attach EQ FALSE AND currVocoderState EQ HL_VOCODER_DISABLED) )
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102 return; /* No state change requested */
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103
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104 if (user_attach)
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105 {
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106 enable_tch_vocoder(TRUE);
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107 vocoder_mute_dl (FALSE); /* un-mute speaker */
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108 vocoder_mute_ul (FALSE); /* un-mute microphone */
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109 #ifdef CONFIG_MCSI_MODEM
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110 if (aci_digital_voice_autoswitch)
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111 {
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112 vpath = AUDIO_BLUETOOTH_HEADSET;
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113 audio_param.variable_indentifier = AUDIO_PATH_USED;
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114 audio_param.data = &vpath;
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115 return_path.addr_id = NULL;
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116 return_path.callback_func = audio_mode_callback;
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117 audio_full_access_write(&audio_param, return_path);
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118 }
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119 #endif
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120 currVocoderState = HL_VOCODER_ENABLED;
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121 }
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122 else
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123 {
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124 vocoder_mute_dl (TRUE); /* mute speaker */
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125 vocoder_mute_ul (TRUE); /* mute microphone */
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126 enable_tch_vocoder (FALSE); /* disable vocoder */
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127 #ifdef CONFIG_MCSI_MODEM
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128 if (aci_digital_voice_autoswitch)
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129 {
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130 vpath = AUDIO_GSM_VOICE_PATH;
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131 audio_param.variable_indentifier = AUDIO_PATH_USED;
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132 audio_param.data = &vpath;
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133 return_path.addr_id = NULL;
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134 return_path.callback_func = audio_mode_callback;
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135 audio_full_access_write(&audio_param, return_path);
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136 }
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137 #endif
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138 currVocoderState = HL_VOCODER_DISABLED;
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139 }
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140
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141 return;
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142 }
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143
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144 /*
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145 +-------------------------------------------------------------------+
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146 | PROJECT : GSM-PS (6147) MODULE : HL_AUDIO_DRV |
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147 | ROUTINE : hl_drv_get_vocoder_state |
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148 +-------------------------------------------------------------------+
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149
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150 PURPOSE : This function returns the state of the vocoder
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151 */
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152
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153 GLOBAL T_HL_VOCODER_STATE hl_drv_get_vocoder_state (void)
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154 {
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155 return currVocoderState;
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156 }
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157
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158 #ifndef VOCODER_FUNC_INTERFACE
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159 /*
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160 +-------------------------------------------------------------------+
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161 | PROJECT : GSM-PS (6147) MODULE : HL_AUDIO_DRV |
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162 | ROUTINE : hl_drv_vocoder_enabled |
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163 +-------------------------------------------------------------------+
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164
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165 PURPOSE : Currently this function does nothing
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166 */
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167
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168 GLOBAL void hl_drv_vocoder_state_set (void)
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169 {
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170 TRACE_FUNCTION("hl_drv_vocoder_enabled()");
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171
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172 switch(currVocoderState)
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173 {
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174 case HL_VOCODER_ENABLE_INITIATED:
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175 currVocoderState = HL_VOCODER_ENABLED;
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parents:
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176 break;
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parents:
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177
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178 case HL_VOCODER_DISABLE_INITIATED:
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parents:
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179 currVocoderState = HL_VOCODER_DISABLED;
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parents:
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180 break;
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parents:
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181
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parents:
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182 default:
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parents:
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183 break;
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parents:
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184
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parents:
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185 }
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parents:
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186 }
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parents:
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187 #endif