FreeCalypso > hg > fc-selenite

annotate src/gpf/inc/ipcapi.h @ 112:fdecfb3bd860

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.../drv_app/r2d/r2d_*.c: LCD include case fixes from Magnetite R2D is not used in Selenite, but we strive to keep the two source trees in sync as much as possible to reduce the diffs.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 13 Oct 2018 16:56:22 +0000
parents 1ea54a97e831
children
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1 /*
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2 +-----------------------------------------------------------------------------
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3 | Project : PCO
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4 | Modul : inc\ipcapi.h
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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 : API definition for IPC
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18 +-----------------------------------------------------------------------------
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19 */
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20 #ifndef IPCAPI_H
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21 #define IPCAPI_H
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22
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23 #include "cms.h"
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24
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25 #undef EXPORT
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26 #include <typedefs.h>
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27
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28 /* define extra function codes for driver ipc */
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29 #define IPC_SELF 10
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30 #define IPC_INITCH 11
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31 #define IPC_EXITCH 12
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32 #define IPC_OPENCH 13
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33 #define IPC_CLOSECH 14
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34 #define IPC_READCH 15
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35 #define IPC_WRITECH 16
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36 #define IPC_CREATEMSG 17
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37 #define IPC_PARSEMSG 18
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38 #define IPC_ISMYADDR 19
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39 #define IPC_GETHANDLE 20
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40 #define IPC_SETTIME 21
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41
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42
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43 /**********************************************************************
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44 * macros
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45 *********************************************************************/
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46
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47 #define MSG_ID( Group, Code ) (((Group) << 8) + ((Code) & 0xFF))
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48
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49
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50 /**********************************************************************
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51 * defines
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52 *********************************************************************/
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53
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54 /* return codes */
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55 #define IPC_OK CMS_OK
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56 #define IPC_ERROR CMS_ERROR
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57 #define IPC_EXIST CMS_EXIST
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58 #define IPC_FULL CMS_FULL
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59 #define IPC_BADHANDLE CMS_BADHANDLE
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60 #define IPC_EMPTY CMS_EMPTY
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61 #define IPC_SIZE CMS_SIZE
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62 #define IPC_TIMEOUT CMS_TIMEOUT
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63 #define IPC_NOMEM CMS_NOMEM
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64 #define IPC_INVALID (-20)
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65 #define IPC_MISALIGNED (-21)
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66
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67
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68
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69 #define IPC_MAX_PATH_SIZE 120
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70
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71 /* msg IDs: */
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72 #define IPC_GENERATED MSG_ID(IPC,1)
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73
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74 #define ALIGNMENT 1
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75 #define MSG_MAX_SIZE 512
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76
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77 /**********************************************************************
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78 * types
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79 *********************************************************************/
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80
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81
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82 typedef int IPC_HANDLE;
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83
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84 typedef struct
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85 {
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86 char *pcSender;
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87 char *pcReceiver;
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88 void *pvBuffer;
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89 U32 ulTime;
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90 U16 uwTenthOfMS;
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91 U16 uwSize;
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92 U16 uwID;
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93 } MSG_HEADER;
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94
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95
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96
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97 #if ALIGNMENT == 1
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98 typedef U8 MSG_BUFFER [MSG_MAX_SIZE];
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99 #elif ALIGNMENT == 2
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100 typedef U16 MSG_BUFFER [(MSG_MAX_SIZE + 1) / 2];
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101 #elif ALIGNMENT == 4
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102 typedef U32 MSG_BUFFER [(MSG_MAX_SIZE + 3) / 4];
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103 #else
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104 #error "invalid alignment"
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105 #endif
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106
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107
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108 /* standard funtions: */
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109
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110
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111 /*********************************************************************/
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112 U16 ipc_createMsg ( /* @func Create a message. */
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113 void *pvBuffer,/* @parm Buffer for the message to store. */
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114 U16 uwSize, /* @parm Size of the buffer. */
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115 MSG_HEADER Msg /* @parm Settings for the message to create. */
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116 ); /* @returnvalue One of the values below. */
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117 /*---------------------------------------------------------------------
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118 * @description The function creates a message out of the settings
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119 * that are stored in the structure. The resulting
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120 * message will be written to the buffer.
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121 *
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122 * Attention: The address of the buffer MUST be
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123 * aligned (multiple of ALIGNMENT)
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124 *
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125 * Sender and Receiver will be inserted in normalized
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126 * form (= absolute address) !
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127 *
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128 * @tablex Return values: |
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129 * Value Description
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130 * --------------------------------------------------
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131 * > 0 Size of the message.
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132 * = 0 Buffer too small, invalid settings.
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133 *
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134 * @tablex Content of pHdr: |
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135 * Setting Description
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136 * -------------- -----------------------------------
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137 * pcSender NULL means that the calling process
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138 * is the sender. Otherwise the string
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139 * will be inserted into the message.
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140 * pcReceiver Name of the receiver (string)
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141 * or IPC_HANDLE of the receiver.
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142 * pvBuffer Pointer to the data to append to
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143 * the message.
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144 * uwSize Size of the data to append to the
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145 * message.
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146 * uwID Message group and code. Use the
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147 * macro MSG_ID(Group,Code) to set the
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148 * value.
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149 * ulTime Automatically set.
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150 * uwTenthOfMS Automatically set.
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151 *********************************************************************/
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152
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153
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154 /*********************************************************************/
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155 S16 ipc_parseMsg ( /* @func Parse a message. */
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156 MSG_HEADER *pMsg, /* @parm Structure to store the settings. */
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157 void *pvBuffer,/* @parm Buffer containing the message. */
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158 U16 uwSize /* @parm Size of pvBuffer. */
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159 ); /* @returnvalue One of the values below. */
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160 /*---------------------------------------------------------------------
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161 * @description The function parses a buffer that contains a
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162 * a message and writes all settings to the
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163 * structure.
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164 *
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165 * Attention: The address of the buffer MUST be
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166 * aligned (multiple of ALIGNMENT)
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167 *
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168 * @tablex Return values: |
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169 * Value Description
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170 * --------------------------------------------------
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171 * IPC_INVALID Invalid arguments or message.
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172 * IPC_OK Success.
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173 *
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174 * @tablex Content of pHdr: |
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175 * Setting Description
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176 * -------------- -----------------------------------
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177 * pcSender Address of the sender.
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178 * pcReceiver Address of the receiver (normally
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179 * the process receiving the message).
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180 * pvBuffer Pointer to the data of the message.
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181 * uwSize Size of the data.
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182 * uwID Message group and code. Use the
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183 * macro MSG_ID(Group,Code) to compare
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184 * the value with other IDs.
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185 * ulTime Time [ms from 01.01.1970 GMT] of
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186 * message's creation.
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187 * uwTenthOfMS The tenth of [ms] of the message's
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188 * creation.
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189 *********************************************************************/
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190
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191 #endif /* IPCAPI_H */
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192