FreeCalypso > hg > fc-magnetite
annotate src/g23m-aci/uart/uart_drxp.c @ 295:1aa8cab15e14
components/frame_na7_db_{fl,ir} created as an experiment
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 21 Oct 2017 02:50:37 +0000 |
parents | 53929b40109c |
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rev | line source |
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1 /* |
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2 +----------------------------------------------------------------------------- |
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3 | Project : |
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4 | Modul : |
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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 is part of the entity UART and implements all |
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18 | functions to handles the incoming primitives as described in |
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19 | the SDL-documentation (DRX-statemachine) |
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20 +----------------------------------------------------------------------------- |
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21 */ |
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22 |
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23 #ifndef UART_DRXP_C |
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24 #define UART_DRXP_C |
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25 #endif /* !UART_DRXP_C */ |
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26 |
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27 #define ENTITY_UART |
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28 |
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29 /*==== INCLUDES =============================================================*/ |
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30 |
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31 #ifdef WIN32 |
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32 #include "nucleus.h" |
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33 #endif /* WIN32 */ |
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34 #include "typedefs.h" /* to get Condat data types */ |
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35 #include "vsi.h" /* to get a lot of macros */ |
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36 #include "macdef.h" /* to get a lot of macros */ |
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37 #include "custom.h" |
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38 #include "gsm.h" /* to get a lot of macros */ |
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39 #include "cnf_uart.h" /* to get cnf-definitions */ |
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40 #include "mon_uart.h" /* to get mon-definitions */ |
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41 #include "prim.h" /* to get the definitions of used SAP and directions */ |
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42 #include "dti.h" /* to get dti lib */ |
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43 #include "pei.h" /* to get PEI interface */ |
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44 #ifdef FF_MULTI_PORT |
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45 #include "gsi.h" /* to get definitions of serial driver */ |
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46 #else /* FF_MULTI_PORT */ |
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47 #ifdef _TARGET_ |
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48 #include "uart/serialswitch.h" |
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49 #include "uart/traceswitch.h" |
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50 #else /* _TARGET_ */ |
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51 #include "serial_dat.h" /* to get definitions of serial driver */ |
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52 #endif /* _TARGET_ */ |
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53 #endif /* FF_MULTI_PORT */ |
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54 #include "uart.h" /* to get the global entity definitions */ |
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55 |
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56 #include "uart_kers.h" /* to get signal definitions for service KER */ |
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57 #ifdef FF_MULTI_PORT |
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58 #include "uart_ptxs.h" /* to get signal definitions for service TX */ |
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59 #else /* FF_MULTI_PORT */ |
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60 #include "uart_txs.h" /* to get signal definitions for service TX */ |
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61 #endif /* FF_MULTI_PORT */ |
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62 #include "uart_drxf.h" /* to get function definitions for service DRX */ |
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63 |
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64 #ifdef _SIMULATION_ |
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65 #include <stdio.h> /* to get sprintf */ |
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66 #endif /* _SIMULATION_ */ |
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67 |
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68 /*==== CONST ================================================================*/ |
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69 |
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70 /*==== LOCAL VARS ===========================================================*/ |
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71 |
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72 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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73 |
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74 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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75 |
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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 | Function : sig_dti_drx_data_received_ind |
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81 +------------------------------------------------------------------------------ |
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82 | Description : Handles the DTILIB callback call DTI_REASON_DATA_RECEIVED |
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83 | This signal means that data has been received on a dti |
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84 | connection. |
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85 | |
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86 | Parameter : dti_data2_ind |
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87 | |
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88 +------------------------------------------------------------------------------ |
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89 */ |
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90 GLOBAL void sig_dti_drx_data_received_ind(T_DTI2_DATA_IND *dti_data2_ind) |
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91 { |
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92 T_desc2* temp_desc1; |
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93 T_desc2* temp_desc2; |
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94 |
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95 TRACE_FUNCTION( "drx_dti_data_req" ); |
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96 |
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97 #ifdef UART_RANGE_CHECK |
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98 if(dti_data2_ind EQ NULL) |
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99 { |
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100 TRACE_EVENT("ERROR: dti_data2_ind is NULL"); |
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101 } |
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102 else if((*((ULONG*)((UBYTE*)dti_data2_ind - sizeof(T_PRIM_HEADER) - 8))) NEQ 0) |
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103 { |
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104 TRACE_EVENT_P1("ERROR: dti_data2_ind=%08x is not allocated", |
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105 dti_data2_ind); |
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106 } |
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107 else |
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108 { |
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109 T_desc2* range_desc; |
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110 USHORT range_sum; |
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111 if((dti_data2_ind->parameters.st_lines.st_flow NEQ DTI_FLOW_ON) && |
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112 (dti_data2_ind->parameters.st_lines.st_flow NEQ DTI_FLOW_OFF)) |
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113 { |
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114 TRACE_EVENT_P1("ERROR: st_flow=%d is invalid", |
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115 dti_data2_ind->parameters.st_lines.st_flow); |
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116 } |
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117 if((dti_data2_ind->parameters.st_lines.st_line_sa NEQ DTI_SA_ON) && |
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118 (dti_data2_ind->parameters.st_lines.st_line_sa NEQ DTI_SA_OFF)) |
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119 { |
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120 TRACE_EVENT_P1("ERROR: st_line_sa=%d is invalid", |
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121 dti_data2_ind->parameters.st_lines.st_line_sa); |
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122 } |
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123 if((dti_data2_ind->parameters.st_lines.st_line_sb NEQ DTI_SB_ON) && |
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124 (dti_data2_ind->parameters.st_lines.st_line_sb NEQ DTI_SB_OFF)) |
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125 { |
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126 TRACE_EVENT_P1("ERROR: st_line_sb=%d is invalid", |
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127 dti_data2_ind->parameters.st_lines.st_line_sb); |
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128 } |
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129 range_desc = (T_desc2*)(dti_data2_ind->desc_list2.first); |
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130 range_sum = 0; |
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131 while((range_desc) && |
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132 ((*((ULONG*)((UBYTE*)range_desc - 8))) EQ 0)) |
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133 { |
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134 range_sum += range_desc->len; |
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135 range_desc = (T_desc2*)(range_desc->next); |
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136 } |
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137 if(range_desc) |
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138 { |
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139 TRACE_EVENT_P1("ERROR: data descriptor (%08x) not allocated", |
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140 range_desc); |
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141 } |
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142 else if(range_sum NEQ dti_data_req->desc_list2.list_len) |
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143 { |
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144 TRACE_EVENT_P2("ERROR: datalength=%d NEQ list_len=%d", |
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145 range_sum, |
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146 dti_data2_ind->desc_list2.list_len); |
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147 } |
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148 } |
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149 #endif /* UART_RANGE_CHECK */ |
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150 |
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151 switch( GET_STATE( UART_SERVICE_DRX ) ) |
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152 { |
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153 case DRX_READY: |
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154 SET_STATE( UART_SERVICE_DRX, DRX_NOT_READY ); |
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155 dti_stop( |
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156 uart_hDTI, |
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157 uart_data->device, |
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158 UART_DTI_UP_INTERFACE, |
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159 uart_data->drx->dlc_instance |
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160 ); |
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161 /* |
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162 * store data descriptor |
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163 */ |
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164 temp_desc1 = (T_desc2*)(dti_data2_ind->desc_list2.first); |
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165 while((temp_desc1) && |
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166 (temp_desc1->len EQ 0)) |
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167 { |
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168 temp_desc2 = (T_desc2*)temp_desc1->next; |
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169 MFREE(temp_desc1); |
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170 temp_desc1 = temp_desc2; |
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171 } |
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172 uart_data->drx->received_data = temp_desc1; |
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173 uart_data->drx->read_pos = 0; |
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174 |
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175 /* |
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176 * inform kernel about line states |
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177 */ |
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178 sig_drx_ker_line_states_ind(uart_data->drx->dlc_instance, |
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179 dti_data2_ind->parameters.st_lines.st_flow, |
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180 dti_data2_ind->parameters.st_lines.st_line_sa, |
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181 dti_data2_ind->parameters.st_lines.st_line_sb, |
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182 dti_data2_ind->parameters.st_lines.st_break_len); |
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183 /* |
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184 * check if service can send data to peer |
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185 */ |
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186 if(uart_data->drx->data_flow EQ UART_FLOW_ENABLED) |
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187 { |
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188 /* |
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189 * yes, now if there is data to send, do it |
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190 */ |
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191 if(uart_data->drx->received_data) |
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192 { |
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193 sig_drx_tx_data_available_ind( uart_data->drx->dlc_instance, |
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194 uart_data->drx->received_data, |
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195 uart_data->drx->read_pos ); |
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196 } |
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197 else |
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198 { |
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199 /* |
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200 * no data to send, do positive flow control towards upper layer |
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201 */ |
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202 SET_STATE( UART_SERVICE_DRX, DRX_READY ); |
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203 dti_start( |
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204 uart_hDTI, |
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205 uart_data->device, |
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206 UART_DTI_UP_INTERFACE, |
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207 uart_data->drx->dlc_instance |
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208 ); |
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209 } |
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210 } |
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211 break; |
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|
212 |
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213 default: |
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214 TRACE_ERROR( "DTI_DATA2_IND unexpected" ); |
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215 /* |
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216 * since the descriptor will not be sent, free it |
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217 */ |
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218 MFREE_DESC2( dti_data2_ind->desc_list2.first ); |
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219 break; |
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220 } |
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221 |
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222 /* |
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223 * free primitive (freeing of descriptors has been done before if necessary) |
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224 */ |
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225 PFREE( dti_data2_ind ); |
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226 } /* sig_dti_drx_data_received_ind() */ |