FreeCalypso > hg > freecalypso-sw
annotate gsm-fw/g23m-aci/uart/uart_dtxf.c @ 828:a8d0bbba7886
build flashable images by default when PS is included and target has small RAM
author | Space Falcon <falcon@ivan.Harhan.ORG> |
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date | Mon, 06 Apr 2015 02:32:04 +0000 |
parents | f54080301c98 |
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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 #include "config.h" |
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28 #include "fixedconf.h" |
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29 #include "condat-features.h" |
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30 |
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31 #define ENTITY_UART |
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32 |
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33 /*==== INCLUDES =============================================================*/ |
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34 |
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35 #ifdef WIN32 |
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36 #include "nucleus.h" |
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37 #endif /* WIN32 */ |
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38 #include "typedefs.h" /* to get Condat data types */ |
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39 #include "vsi.h" /* to get a lot of macros */ |
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40 #include "macdef.h" /* to get a lot of macros */ |
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41 #include "custom.h" |
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42 #include "gsm.h" /* to get a lot of macros */ |
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43 #include "cnf_uart.h" /* to get cnf-definitions */ |
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44 #include "mon_uart.h" /* to get mon-definitions */ |
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45 #include "prim.h" /* to get the definitions of used SAP and directions */ |
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46 #include "dti.h" /* to get dti lib */ |
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47 #include "pei.h" /* to get PEI interface */ |
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48 #ifdef FF_MULTI_PORT |
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49 #include "gsi.h" /* to get definitions of serial driver */ |
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50 #else /* FF_MULTI_PORT */ |
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51 #ifdef _TARGET_ |
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52 #include "../../serial/serialswitch.h" |
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53 #include "../../serial/traceswitch.h" |
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54 #else /* _TARGET_ */ |
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55 #include "serial_dat.h" /* to get definitions of serial driver */ |
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56 #endif /* _TARGET_ */ |
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57 #endif /* FF_MULTI_PORT */ |
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58 #include "uart.h" /* to get the global entity definitions */ |
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59 |
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60 /*==== CONST ================================================================*/ |
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61 |
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62 /* |
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63 * names of escape sequence detection state machine |
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64 */ |
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65 #ifdef _SIMULATION_ |
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66 char * uart_esd_state_names[] = |
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67 { |
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68 "UART_ESD_NULL", |
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69 "UART_ESD_CHAR_1", |
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70 "UART_ESD_CHAR_2", |
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71 "UART_ESD_CHAR_3", |
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72 "UART_ESD_DETECTED" |
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73 }; |
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74 #endif /* _SIMULATION_ */ |
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75 |
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76 /*==== LOCAL VARS ===========================================================*/ |
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77 |
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78 /*==== PRIVATE FUNCTIONS ====================================================*/ |
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79 |
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80 /*==== PUBLIC FUNCTIONS =====================================================*/ |
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81 |
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82 |
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83 |
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84 /* |
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85 +------------------------------------------------------------------------------ |
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86 | Function : dtx_get_esd_state |
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87 +------------------------------------------------------------------------------ |
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88 | Description : This function returns the current state of the Escape Sequence |
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89 | Detection. |
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90 | |
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91 | Parameters : none |
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92 | |
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93 | Return : ESD State |
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94 | |
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95 +------------------------------------------------------------------------------ |
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96 */ |
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97 GLOBAL T_ESD_STATE dtx_get_esd_state() |
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98 { |
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99 TRACE_FUNCTION ("dtx_get_esd_state"); |
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100 |
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101 #ifdef _SIMULATION_ |
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102 TRACE_EVENT_P1 ("esd_state is [%s]", |
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103 uart_esd_state_names[uart_data->dtx->esd_state]); |
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104 #endif /* _SIMULATION_ */ |
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105 |
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106 return uart_data->dtx->esd_state; |
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107 } /* dtx_get_esd_state() */ |
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108 |
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109 |
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110 |
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111 /* |
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112 +------------------------------------------------------------------------------ |
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113 | Function : dtx_set_esd_state |
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114 +------------------------------------------------------------------------------ |
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115 | Description : This function sets the state of the Escape Sequence Detection. |
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116 | |
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117 | Parameters : new ESD State |
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118 | |
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119 | Return : none |
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120 | |
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121 +------------------------------------------------------------------------------ |
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122 */ |
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123 GLOBAL void dtx_set_esd_state( T_ESD_STATE new_esd_state ) |
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124 { |
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125 TRACE_FUNCTION ("dtx_set_esd_state"); |
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126 |
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127 #ifdef _SIMULATION_ |
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128 if(uart_data->dtx->esd_state != new_esd_state) |
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129 { |
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130 TRACE_EVENT_P2 ("esd_state [%s] -> [%s]", |
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131 uart_esd_state_names[uart_data->dtx->esd_state], |
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132 uart_esd_state_names[new_esd_state]); |
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133 uart_data->dtx->esd_state = new_esd_state; |
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134 uart_data->dtx->esd_state_name = uart_esd_state_names[new_esd_state]; |
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135 } |
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136 else |
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137 { |
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138 TRACE_EVENT_P1 ("esd_state remains [%s]", |
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139 uart_esd_state_names[uart_data->dtx->esd_state]); |
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140 } |
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141 #else /* _SIMULATION_ */ |
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142 if(uart_data->dtx->esd_state != new_esd_state) |
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143 uart_data->dtx->esd_state = new_esd_state; |
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144 #endif /* _SIMULATION_ */ |
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145 } /* dtx_set_esd_state() */ |
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146 |
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147 |
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148 |
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149 /* |
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150 +------------------------------------------------------------------------------ |
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151 | Function : dtx_init |
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152 +------------------------------------------------------------------------------ |
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153 | Description : The function dtx_init() initializes the service DTX |
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154 | |
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155 | Parameters : none |
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156 | |
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157 +------------------------------------------------------------------------------ |
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158 */ |
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159 GLOBAL void dtx_init () |
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160 { |
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161 USHORT i; |
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162 |
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163 TRACE_FUNCTION( "dtx_init" ); |
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164 |
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165 for( i = 0; i < UART_MAX_NUMBER_OF_CHANNELS; i++ ) |
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166 { |
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167 /* |
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168 * select next instance of service DTX |
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169 */ |
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170 uart_data->dtx = &( uart_data->dtx_base[i] ); |
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171 |
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172 /* |
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173 * initialize service specific variables |
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174 */ |
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175 uart_data->dtx->to_send_data = NULL; |
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176 uart_data->dtx->cur_desc_size = 0; |
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177 uart_data->dtx->write_pos = 0; |
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178 uart_data->dtx->size_multiplier = 3; |
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179 uart_data->dtx->st_flow = DTI_FLOW_ON; |
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180 uart_data->dtx->st_line_sa = DTI_SA_ON; |
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181 uart_data->dtx->st_line_sb = DTI_SB_ON; |
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182 uart_data->dtx->st_break_len = DTI_BREAK_OFF; |
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183 uart_data->dtx->detect_escape = TRUE; |
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184 uart_data->dtx->lines_changed = FALSE; |
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185 uart_data->dtx->receiving_state = UART_DTX_NOT_RECEIVING; |
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186 uart_data->dtx->data_flow = UART_FLOW_DISABLED; |
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187 dtx_set_esd_state( UART_ESD_NULL ); |
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188 uart_data->dtx->esd_guard_time = 0; |
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189 uart_data->dtx->esd_pos = 0; |
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190 uart_data->dtx->dti_dtx_state = DTI_CLOSED; |
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191 |
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192 INIT_STATE( UART_SERVICE_DTX , DTX_DEAD ); |
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193 } |
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194 } /* dtx_init() */ |
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195 |
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196 |
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197 |
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198 /* |
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199 +------------------------------------------------------------------------------ |
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200 | Function : dtx_free_resources |
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201 +------------------------------------------------------------------------------ |
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202 | Description : The function dtx_free_resources() frees the currently allocated |
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203 | resources of the service DTX. |
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204 | |
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205 | Parameters : none |
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206 | |
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207 +------------------------------------------------------------------------------ |
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208 */ |
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209 GLOBAL void dtx_free_resources () |
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210 { |
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211 TRACE_FUNCTION( "dtx_free_resources()" ); |
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212 |
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213 /* |
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214 * free all resources |
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215 */ |
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216 if(uart_data->dtx->to_send_data) |
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217 { |
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218 MFREE_DESC2( uart_data->dtx->to_send_data ); |
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219 uart_data->dtx->to_send_data = NULL; |
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220 } |
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221 uart_data->dtx->cur_desc_size = 0; |
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222 uart_data->dtx->write_pos = 0; |
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223 |
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224 } /* dtx_free_resources() */ |
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225 |
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226 /* |
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227 +------------------------------------------------------------------------------ |
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228 | Function : dtx_exit |
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229 +------------------------------------------------------------------------------ |
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230 | Description : The function dtx_exit() frees the currently allocated |
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231 | resources of the service DTX. |
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232 | |
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233 | Parameters : none |
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234 | |
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235 +------------------------------------------------------------------------------ |
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236 */ |
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237 GLOBAL void dtx_exit () |
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238 { |
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239 ULONG i; |
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240 |
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241 TRACE_FUNCTION( "dtx_exit()" ); |
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242 |
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243 /* |
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244 * free all resources |
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245 */ |
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246 if(uart_data->dtx->to_send_data) |
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247 { |
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248 MFREE_DESC2( uart_data->dtx->to_send_data ); |
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249 uart_data->dtx->to_send_data = NULL; |
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250 } |
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251 uart_data->dtx->cur_desc_size = 0; |
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252 uart_data->dtx->write_pos = 0; |
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253 |
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254 if(uart_data->ker.tx_data_waiting) |
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255 { |
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256 MFREE_DESC2(uart_data->ker.tx_data_waiting); |
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257 uart_data->ker.tx_data_waiting = NULL; |
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258 } |
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259 for(i = 0; i < UART_MAX_NUMBER_OF_CHANNELS; i++) |
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260 { |
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261 if(uart_data->dlc_table[i].transmit_data) |
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262 { |
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263 MFREE_DESC2(uart_data->dlc_table[i].transmit_data); |
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264 uart_data->dlc_table[i].transmit_data = NULL; |
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265 } |
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266 |
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267 if(uart_data->dlc_table[i].receive_data) |
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268 { |
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269 MFREE_DESC2(uart_data->dlc_table[i].receive_data); |
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270 uart_data->dlc_table[i].receive_data = NULL; |
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271 } |
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272 } |
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273 |
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274 } /* dtx_exit() */ |
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275 |
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276 |
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277 /* |
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278 +------------------------------------------------------------------------------ |
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279 | Function : dtx_allocate_resources |
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280 +------------------------------------------------------------------------------ |
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281 | Description : The function dtx_allocate_resources() allocates a new set of |
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282 | resources for the service DTX. |
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283 | |
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284 | Parameters : none |
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285 | |
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286 +------------------------------------------------------------------------------ |
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287 */ |
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288 GLOBAL void dtx_allocate_resources () |
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289 { |
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290 TRACE_FUNCTION( "dtx_allocate_resources()" ); |
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291 |
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292 /* |
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293 * allocate a new descriptor |
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294 * with a size of: size_multiplier * N1 (frame size) |
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295 */ |
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296 uart_data->dtx->cur_desc_size = uart_data->n1 * |
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297 uart_data->dtx->size_multiplier; |
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298 MALLOC(uart_data->dtx->to_send_data, |
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299 (USHORT)(sizeof(T_desc2) - 1 + uart_data->dtx->cur_desc_size)); |
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300 uart_data->dtx->to_send_data->len = 0; |
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301 uart_data->dtx->to_send_data->size = 0; |
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302 uart_data->dtx->to_send_data->offset = 0; |
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303 uart_data->dtx->to_send_data->next = (ULONG) NULL; |
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304 uart_data->dtx->write_pos = 0; |
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305 } /* dtx_allocate_resources() */ |
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306 |
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307 |
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308 |
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309 /* |
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310 +------------------------------------------------------------------------------ |
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311 | Function : dtx_calculate_size_multiplier |
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312 +------------------------------------------------------------------------------ |
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313 | Description : The function dtx_calculate_size_multiplier() calculates the new |
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314 | size_multiplier value. |
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315 | |
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316 | Parameters : desc_to_send - data descriptor that should be sent |
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317 | data_flow - state of data flow befor we want to sent |
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318 | |
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319 +------------------------------------------------------------------------------ |
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320 */ |
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321 GLOBAL void dtx_calculate_size_multiplier (T_desc2* desc_to_send, |
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322 T_DATA_FLOW_STATE data_flow) |
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323 { |
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324 TRACE_FUNCTION( "dtx_calculate_size_multiplier()" ); |
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325 |
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326 /* |
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327 * calculate new size multiplier according to fillrate of buffer |
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328 */ |
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329 if((uart_data->dtx->size_multiplier < UART_DTX_MAX_SIZE_MULTIPLIER ) && |
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330 (data_flow EQ UART_FLOW_DISABLED)) |
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331 { |
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332 /* |
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333 * buffer is rather full, so increase the multiplier |
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334 */ |
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335 #ifdef _SIMULATION_ |
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336 TRACE_EVENT( " sig_rx_dtx_data_received_ind(): buffer size_multiplier increased " ); |
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337 #endif /* _SIMULATION_ */ |
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338 uart_data->dtx->size_multiplier++; |
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339 } |
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340 else if((uart_data->dtx->size_multiplier > 3) && |
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341 (data_flow EQ UART_FLOW_ENABLED) && |
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342 ((uart_data->dtx->cur_desc_size - desc_to_send->len) > |
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343 ((USHORT)uart_data->n1 << 1))) |
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344 { |
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345 /* |
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346 * buffer is rather empty, so decrease the multiplier |
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347 */ |
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348 #ifdef _SIMULATION_ |
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349 TRACE_EVENT( " sig_rx_dtx_data_received_ind(): buffer size_multiplier decreased " ); |
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350 #endif /* _SIMULATION_ */ |
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351 uart_data->dtx->size_multiplier--; |
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352 } |
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353 } /* dtx_calculate_size_multiplier() */ |