FreeCalypso > hg > fc-magnetite
annotate src/g23m-aci/uart/uart_dtxf.c @ 380:36c3c910f709
targets/c11x.{conf,h} added, based on c139
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 13 Jan 2018 18:32:36 +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 | procedures and functions as described in the |
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19 | SDL-documentation (DTX-statemachine) |
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20 +----------------------------------------------------------------------------- |
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21 */ |
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22 |
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23 #ifndef UART_DTXF_C |
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24 #define UART_DTXF_C |
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25 #endif /* !UART_DTXF_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 /*==== CONST ================================================================*/ |
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57 |
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58 /* |
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59 * names of escape sequence detection state machine |
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60 */ |
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61 #ifdef _SIMULATION_ |
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62 char * uart_esd_state_names[] = |
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63 { |
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64 "UART_ESD_NULL", |
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65 "UART_ESD_CHAR_1", |
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66 "UART_ESD_CHAR_2", |
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67 "UART_ESD_CHAR_3", |
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68 "UART_ESD_DETECTED" |
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69 }; |
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70 #endif /* _SIMULATION_ */ |
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71 |
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72 /*==== LOCAL VARS ===========================================================*/ |
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73 |
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74 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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75 |
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76 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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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 | Function : dtx_get_esd_state |
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83 +------------------------------------------------------------------------------ |
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84 | Description : This function returns the current state of the Escape Sequence |
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85 | Detection. |
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86 | |
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87 | Parameters : none |
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88 | |
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89 | Return : ESD State |
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90 | |
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91 +------------------------------------------------------------------------------ |
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92 */ |
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93 GLOBAL T_ESD_STATE dtx_get_esd_state() |
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94 { |
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95 TRACE_FUNCTION ("dtx_get_esd_state"); |
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96 |
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97 #ifdef _SIMULATION_ |
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98 TRACE_EVENT_P1 ("esd_state is [%s]", |
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99 uart_esd_state_names[uart_data->dtx->esd_state]); |
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100 #endif /* _SIMULATION_ */ |
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101 |
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102 return uart_data->dtx->esd_state; |
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103 } /* dtx_get_esd_state() */ |
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104 |
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105 |
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106 |
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107 /* |
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108 +------------------------------------------------------------------------------ |
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109 | Function : dtx_set_esd_state |
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110 +------------------------------------------------------------------------------ |
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111 | Description : This function sets the state of the Escape Sequence Detection. |
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112 | |
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113 | Parameters : new ESD State |
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114 | |
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115 | Return : none |
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116 | |
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117 +------------------------------------------------------------------------------ |
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118 */ |
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119 GLOBAL void dtx_set_esd_state( T_ESD_STATE new_esd_state ) |
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120 { |
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121 TRACE_FUNCTION ("dtx_set_esd_state"); |
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122 |
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123 #ifdef _SIMULATION_ |
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124 if(uart_data->dtx->esd_state != new_esd_state) |
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125 { |
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126 TRACE_EVENT_P2 ("esd_state [%s] -> [%s]", |
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127 uart_esd_state_names[uart_data->dtx->esd_state], |
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128 uart_esd_state_names[new_esd_state]); |
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129 uart_data->dtx->esd_state = new_esd_state; |
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130 uart_data->dtx->esd_state_name = uart_esd_state_names[new_esd_state]; |
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131 } |
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132 else |
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133 { |
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134 TRACE_EVENT_P1 ("esd_state remains [%s]", |
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135 uart_esd_state_names[uart_data->dtx->esd_state]); |
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136 } |
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137 #else /* _SIMULATION_ */ |
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138 if(uart_data->dtx->esd_state != new_esd_state) |
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139 uart_data->dtx->esd_state = new_esd_state; |
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140 #endif /* _SIMULATION_ */ |
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141 } /* dtx_set_esd_state() */ |
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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 +------------------------------------------------------------------------------ |
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147 | Function : dtx_init |
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148 +------------------------------------------------------------------------------ |
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149 | Description : The function dtx_init() initializes the service DTX |
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150 | |
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151 | Parameters : none |
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152 | |
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153 +------------------------------------------------------------------------------ |
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154 */ |
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155 GLOBAL void dtx_init () |
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156 { |
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157 USHORT i; |
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158 |
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159 TRACE_FUNCTION( "dtx_init" ); |
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160 |
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161 for( i = 0; i < UART_MAX_NUMBER_OF_CHANNELS; i++ ) |
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162 { |
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163 /* |
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164 * select next instance of service DTX |
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165 */ |
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166 uart_data->dtx = &( uart_data->dtx_base[i] ); |
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167 |
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168 /* |
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169 * initialize service specific variables |
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170 */ |
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171 uart_data->dtx->to_send_data = NULL; |
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172 uart_data->dtx->cur_desc_size = 0; |
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173 uart_data->dtx->write_pos = 0; |
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174 uart_data->dtx->size_multiplier = 3; |
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175 uart_data->dtx->st_flow = DTI_FLOW_ON; |
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176 uart_data->dtx->st_line_sa = DTI_SA_ON; |
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177 uart_data->dtx->st_line_sb = DTI_SB_ON; |
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178 uart_data->dtx->st_break_len = DTI_BREAK_OFF; |
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179 uart_data->dtx->detect_escape = TRUE; |
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180 uart_data->dtx->lines_changed = FALSE; |
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181 uart_data->dtx->receiving_state = UART_DTX_NOT_RECEIVING; |
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182 uart_data->dtx->data_flow = UART_FLOW_DISABLED; |
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183 dtx_set_esd_state( UART_ESD_NULL ); |
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184 uart_data->dtx->esd_guard_time = 0; |
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185 uart_data->dtx->esd_pos = 0; |
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186 uart_data->dtx->dti_dtx_state = DTI_CLOSED; |
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187 |
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188 INIT_STATE( UART_SERVICE_DTX , DTX_DEAD ); |
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189 } |
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190 } /* dtx_init() */ |
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191 |
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192 |
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193 |
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194 /* |
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195 +------------------------------------------------------------------------------ |
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196 | Function : dtx_free_resources |
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197 +------------------------------------------------------------------------------ |
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198 | Description : The function dtx_free_resources() frees the currently allocated |
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199 | resources of the service DTX. |
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200 | |
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201 | Parameters : none |
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202 | |
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203 +------------------------------------------------------------------------------ |
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204 */ |
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205 GLOBAL void dtx_free_resources () |
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206 { |
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207 TRACE_FUNCTION( "dtx_free_resources()" ); |
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208 |
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209 /* |
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210 * free all resources |
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211 */ |
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212 if(uart_data->dtx->to_send_data) |
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213 { |
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214 MFREE_DESC2( uart_data->dtx->to_send_data ); |
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215 uart_data->dtx->to_send_data = NULL; |
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216 } |
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217 uart_data->dtx->cur_desc_size = 0; |
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218 uart_data->dtx->write_pos = 0; |
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219 |
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220 } /* dtx_free_resources() */ |
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221 |
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222 /* |
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223 +------------------------------------------------------------------------------ |
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224 | Function : dtx_exit |
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225 +------------------------------------------------------------------------------ |
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226 | Description : The function dtx_exit() frees the currently allocated |
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227 | resources of the service DTX. |
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228 | |
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229 | Parameters : none |
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230 | |
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231 +------------------------------------------------------------------------------ |
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232 */ |
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233 GLOBAL void dtx_exit () |
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234 { |
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235 ULONG i; |
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236 |
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237 TRACE_FUNCTION( "dtx_exit()" ); |
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238 |
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239 /* |
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240 * free all resources |
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241 */ |
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242 if(uart_data->dtx->to_send_data) |
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243 { |
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244 MFREE_DESC2( uart_data->dtx->to_send_data ); |
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245 uart_data->dtx->to_send_data = NULL; |
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246 } |
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247 uart_data->dtx->cur_desc_size = 0; |
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248 uart_data->dtx->write_pos = 0; |
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249 |
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250 if(uart_data->ker.tx_data_waiting) |
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251 { |
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252 MFREE_DESC2(uart_data->ker.tx_data_waiting); |
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253 uart_data->ker.tx_data_waiting = NULL; |
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254 } |
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255 for(i = 0; i < UART_MAX_NUMBER_OF_CHANNELS; i++) |
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256 { |
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257 if(uart_data->dlc_table[i].transmit_data) |
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258 { |
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259 MFREE_DESC2(uart_data->dlc_table[i].transmit_data); |
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260 uart_data->dlc_table[i].transmit_data = NULL; |
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261 } |
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262 |
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263 if(uart_data->dlc_table[i].receive_data) |
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264 { |
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265 MFREE_DESC2(uart_data->dlc_table[i].receive_data); |
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266 uart_data->dlc_table[i].receive_data = NULL; |
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267 } |
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268 } |
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269 |
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270 } /* dtx_exit() */ |
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271 |
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272 |
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273 /* |
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274 +------------------------------------------------------------------------------ |
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275 | Function : dtx_allocate_resources |
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276 +------------------------------------------------------------------------------ |
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277 | Description : The function dtx_allocate_resources() allocates a new set of |
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278 | resources for the service DTX. |
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279 | |
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280 | Parameters : none |
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281 | |
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282 +------------------------------------------------------------------------------ |
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283 */ |
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284 GLOBAL void dtx_allocate_resources () |
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285 { |
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286 TRACE_FUNCTION( "dtx_allocate_resources()" ); |
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287 |
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288 /* |
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289 * allocate a new descriptor |
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290 * with a size of: size_multiplier * N1 (frame size) |
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291 */ |
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292 uart_data->dtx->cur_desc_size = uart_data->n1 * |
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293 uart_data->dtx->size_multiplier; |
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294 MALLOC(uart_data->dtx->to_send_data, |
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295 (USHORT)(sizeof(T_desc2) - 1 + uart_data->dtx->cur_desc_size)); |
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296 uart_data->dtx->to_send_data->len = 0; |
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297 uart_data->dtx->to_send_data->size = 0; |
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298 uart_data->dtx->to_send_data->offset = 0; |
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299 uart_data->dtx->to_send_data->next = (ULONG) NULL; |
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300 uart_data->dtx->write_pos = 0; |
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301 } /* dtx_allocate_resources() */ |
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302 |
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303 |
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304 |
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305 /* |
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306 +------------------------------------------------------------------------------ |
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307 | Function : dtx_calculate_size_multiplier |
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308 +------------------------------------------------------------------------------ |
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309 | Description : The function dtx_calculate_size_multiplier() calculates the new |
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310 | size_multiplier value. |
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311 | |
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312 | Parameters : desc_to_send - data descriptor that should be sent |
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313 | data_flow - state of data flow befor we want to sent |
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314 | |
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315 +------------------------------------------------------------------------------ |
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316 */ |
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317 GLOBAL void dtx_calculate_size_multiplier (T_desc2* desc_to_send, |
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318 T_DATA_FLOW_STATE data_flow) |
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319 { |
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320 TRACE_FUNCTION( "dtx_calculate_size_multiplier()" ); |
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321 |
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322 /* |
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323 * calculate new size multiplier according to fillrate of buffer |
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324 */ |
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325 if((uart_data->dtx->size_multiplier < UART_DTX_MAX_SIZE_MULTIPLIER ) && |
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326 (data_flow EQ UART_FLOW_DISABLED)) |
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327 { |
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328 /* |
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329 * buffer is rather full, so increase the multiplier |
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330 */ |
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331 #ifdef _SIMULATION_ |
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332 TRACE_EVENT( " sig_rx_dtx_data_received_ind(): buffer size_multiplier increased " ); |
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333 #endif /* _SIMULATION_ */ |
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334 uart_data->dtx->size_multiplier++; |
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335 } |
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336 else if((uart_data->dtx->size_multiplier > 3) && |
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337 (data_flow EQ UART_FLOW_ENABLED) && |
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338 ((uart_data->dtx->cur_desc_size - desc_to_send->len) > |
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339 ((USHORT)uart_data->n1 << 1))) |
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340 { |
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341 /* |
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342 * buffer is rather empty, so decrease the multiplier |
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343 */ |
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344 #ifdef _SIMULATION_ |
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345 TRACE_EVENT( " sig_rx_dtx_data_received_ind(): buffer size_multiplier decreased " ); |
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346 #endif /* _SIMULATION_ */ |
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347 uart_data->dtx->size_multiplier--; |
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348 } |
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349 } /* dtx_calculate_size_multiplier() */ |