FreeCalypso > hg > fc-tourmaline
annotate src/g23m-aci/uart/uart_dtxf.c @ 291:a72feaed133a
PWT buzzer driver: conditionalize on TARGET_HAS_BUZZER
Here we add a new target config preprocessor symbol TARGET_HAS_BUZZER,
currently defined for c11x and c139; later we also expect to have it
on for FC Venus, and in FC Magnetite we are going to turn it on for
target dsample, just for the sake of completeness and philosophical
correctness.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 26 Mar 2022 19:31:18 +0000 |
parents | fa8dc04885d8 |
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rev | line source |
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1
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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() */ |