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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
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33
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34
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35 /* ===============GLOBAL VARIABLES====================*/
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36
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37 LOCAL T_HL_VOCODER_STATE currVocoderState;
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38
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39 /* This flag helps enable the vocoder interface testing for
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40 specific tescases
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41 */
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42 #ifdef _SIMULATION_
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43 BOOL vocoder_tst_flag;
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44 #endif
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45
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46
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47 /* =============FUNCTION DEFINITIONS FOR L1===========*/
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48 #ifndef _SIMULATION_
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49 #ifdef VOCODER_FUNC_INTERFACE
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50 void vocoder_mute_dl( BOOL mute );
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51 void vocoder_mute_ul( BOOL mute );
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52 void enable_tch_vocoder (BOOL vocoder_on);
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53 #endif /* VOCODER_FUNC_INTERFACE */
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54 #endif /* _SIMULATION_ */
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55
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56
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57 /*================= FUNCTIONS ========================*/
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58
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59 /*
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60 +-------------------------------------------------------------------+
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61 | PROJECT : GSM-PS (6147) MODULE : HL_AUDIO_DRV |
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62 | ROUTINE : hl_audio_drv_init |
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63 +-------------------------------------------------------------------+
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64
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65 PURPOSE : This function is called to initialise the variables in
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66 the High Level Audio driver
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67 */
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68 GLOBAL void hl_audio_drv_init (void)
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69 {
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70 TRACE_FUNCTION("hl_audio_drv_init()");
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71
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72 currVocoderState = HL_VOCODER_DISABLED;
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73 #ifdef _SIMULATION_
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74 vocoder_tst_flag = FALSE;
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75 #endif
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76
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77 }
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78
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79
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80 /*
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81 +-------------------------------------------------------------------+
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82 | PROJECT : GSM-PS (6147) MODULE : HL_AUDIO_DRV |
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83 | ROUTINE : hl_drv_enable_vocoder |
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84 +-------------------------------------------------------------------+
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85
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86 PURPOSE : This function is called to initialise the variables in
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87 the High Level Audio driver
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88 */
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89 GLOBAL T_HL_VOICE_DRV_RSLT hl_drv_enable_vocoder ( void )
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90 {
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91 TRACE_FUNCTION("hl_drv_enable_vocoder()");
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92 /* If the vocoder is already enabled, then ignore the request */
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93 switch(currVocoderState)
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94 {
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95 case HL_VOCODER_ENABLED:
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96 TRACE_EVENT("*--Vocoder already active--*");
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97 return HL_VOICE_DRV_SUCC;
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98
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99 case HL_VOCODER_ENABLE_REQ:
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100 TRACE_EVENT("*--Vocoder cannot be enabled--*");
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101 return HL_VOICE_DRV_FAIL;
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102
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103 case HL_VOCODER_DISABLED:
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104 break;
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105 }
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106
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107 #ifdef _SIMULATION_
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108 if (vocoder_tst_flag)
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109 #endif
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110 {
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111 #ifndef VOCODER_FUNC_INTERFACE
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112 {
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113 PALLOC(mmi_tch_vocoder_cfg_req, MMI_TCH_VOCODER_CFG_REQ);
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114 mmi_tch_vocoder_cfg_req->vocoder_state = VOCODER_ENABLE;
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115 PSENDX(L1, mmi_tch_vocoder_cfg_req);
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116 }
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117 currVocoderState = HL_VOCODER_ENABLE_REQ;
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118 #else
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119 #ifndef _SIMULATION_
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120 TRACE_EVENT("Function interface for Vocoder");
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121 enable_tch_vocoder(TRUE);
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122 vocoder_mute_dl (FALSE); /* un-mute speaker */
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123 vocoder_mute_ul (FALSE); /* un-mute microphone */
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124 currVocoderState = HL_VOCODER_ENABLED;
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125 #endif /* _SIMULATION_ */
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126 #endif
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127 }
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128 return HL_VOICE_DRV_SUCC;
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129 }
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130
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131 /*
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132 +-------------------------------------------------------------------+
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133 | PROJECT : GSM-PS (6147) MODULE : HL_AUDIO_DRV |
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134 | ROUTINE : hl_drv_disable_vocoder |
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135 +-------------------------------------------------------------------+
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136
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137 PURPOSE : This function is called to initialise the variables in
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138 the High Level Audio driver
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139 */
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140 GLOBAL void hl_drv_disable_vocoder ( void )
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141 {
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142 TRACE_FUNCTION("hl_drv_disable_vocoder()");
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143
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144 currVocoderState = HL_VOCODER_DISABLED;
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145 #ifndef VOCODER_FUNC_INTERFACE
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146 /* Do nothing in this case */
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147 #else
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148 #ifndef _SIMULATION_
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149 TRACE_EVENT("Function interface for Vocoder");
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150 vocoder_mute_dl (TRUE); /* mute speaker */
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151 vocoder_mute_ul (TRUE); /* mute microphone */
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152 enable_tch_vocoder (FALSE); /* disable vocoder */
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153 #endif
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154 #endif
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155 }
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156
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157
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158 /*
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159 +-------------------------------------------------------------------+
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160 | PROJECT : GSM-PS (6147) MODULE : HL_AUDIO_DRV |
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161 | ROUTINE : hl_drv_get_vocoder_state |
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162 +-------------------------------------------------------------------+
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163
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164 PURPOSE : This function returns the state of the vocoder
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165 */
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166
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167 GLOBAL T_HL_VOCODER_STATE hl_drv_get_vocoder_state (void)
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168 {
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169 return currVocoderState;
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170 }
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171
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172 #ifndef VOCODER_FUNC_INTERFACE
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173 /*
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174 +-------------------------------------------------------------------+
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175 | PROJECT : GSM-PS (6147) MODULE : HL_AUDIO_DRV |
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176 | ROUTINE : hl_drv_vocoder_enabled |
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177 +-------------------------------------------------------------------+
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178
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179 PURPOSE : Currently this function does nothing
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180 */
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181
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182 GLOBAL void hl_drv_vocoder_enabled (void)
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183 {
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184 TRACE_FUNCTION("hl_drv_vocoder_enabled()");
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185 currVocoderState = HL_VOCODER_ENABLED;
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186 }
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187 #endif
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188
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189 #ifdef _SIMULATION_
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190 /*
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191 +-------------------------------------------------------------------+
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192 | PROJECT : GSM-PS (6147) MODULE : HL_AUDIO_DRV |
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193 | ROUTINE : hl_audio_drv_initForTest |
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194 +-------------------------------------------------------------------+
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195
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196 PURPOSE : Initialise global variables related to simulaed
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197 */
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198
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199 GLOBAL void hl_audio_drv_initForTest(void)
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200 {
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201 vocoder_tst_flag = TRUE;
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202 }
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203 #endif |
