Mercurial > ecos

annotate host/tools/ecostest/common/eCosTestSerialFilter.h @ 115:6ed91473a1cd ecos-sw-2000-08-21

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Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
parents 6736c52df507
children 74dbf4c3f2e1
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1 //####COPYRIGHTBEGIN####
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2 //
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3 // ----------------------------------------------------------------------------
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4 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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5 //
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6 // This program is part of the eCos host tools.
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7 //
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8 // This program is free software; you can redistribute it and/or modify it
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9 // under the terms of the GNU General Public License as published by the Free
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10 // Software Foundation; either version 2 of the License, or (at your option)
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11 // any later version.
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12 //
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13 // This program is distributed in the hope that it will be useful, but WITHOUT
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14 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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16 // more details.
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17 //
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18 // You should have received a copy of the GNU General Public License along with
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19 // this program; if not, write to the Free Software Foundation, Inc.,
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20 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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21 //
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22 // ----------------------------------------------------------------------------
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23 //
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24 //####COPYRIGHTEND####
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25 //=================================================================
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26 //
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27 // eCosTestSerialFilter.h
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28 //
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29 // Serial test filter class
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30 //
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31 //=================================================================
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32 //=================================================================
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33 //#####DESCRIPTIONBEGIN####
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34 //
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35 // Author(s): jskov
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36 // Contributors: jskov
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37 // Date: 1999-03-01
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38 //####DESCRIPTIONEND####
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39 #ifndef _CECOSSERIALFILTER_H
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40 #define _CECOSSERIALFILTER_H
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41
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42 #include "eCosStd.h"
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43 #include "eCosTest.h"
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44 #include "eCosSocket.h"
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45 #include "eCosSerial.h"
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46
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47 //----------------------------------------------------------------------------
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48 // Macros to help extract values from the argument string.
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49 // Note: This is probably not an ideal solution, but it was easy to make :)
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50
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51 #define INIT_VALUE(__args) \
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52 unsigned int v; \
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53 char *__ptr1, *__ptr2 = (__args) \
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54
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55 #define SET_VALUE(__type, __slot) { \
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56 __ptr1 = strchr(__ptr2, (int) ':'); \
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57 if (*__ptr2 == '\0') \
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58 (__slot) = (__type)-1; \
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59 else { \
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60 if (__ptr1) \
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61 *__ptr1 = 0; \
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62 else \
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63 __ptr1 = strchr( __ptr2, 0) - 1; \
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64 v = atoi(__ptr2); \
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65 __ptr2 = __ptr1+1; \
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66 (__slot) = (__type) v; \
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67 } \
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68 }
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71 //----------------------------------------------------------------------------
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72 // Structures used by the filter.
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73 struct filter_abort_t {
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74 const unsigned char* data_ptr;
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75 int data_len;
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76
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77 filter_abort_t():
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78 data_ptr(NULL),
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79 data_len(0)
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80 {}
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81 };
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82
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83 typedef enum {
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84 FLOW_NONE=0,
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85 FLOW_XONXOFF_RX=1,
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86 FLOW_XONXOFF_TX=2,
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87 FLOW_RTSCTS_RX=4,
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88 FLOW_RTSCTS_TX=8,
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89 FLOW_DSRDTR_RX=16,
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90 FLOW_DSRDTR_TX=32
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91 } flow_cfg_t;
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92
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93 typedef struct ser_cfg {
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94 int baud_rate;
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95 int data_bits;
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96 CeCosSerial::StopBitsType stop_bits;
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97 bool parity;
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98
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99 unsigned int flags;
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100 // etc...
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101 } ser_cfg_t;
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102
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103 typedef enum {
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104 MODE_NO_ECHO = 0,
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105 MODE_EOP_ECHO,
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106 MODE_DUPLEX_ECHO
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107 } cyg_mode_t;
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108
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109
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110 //----------------------------------------------------------------------------
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111 // The filter class
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112 class CeCosTestSerialFilter;
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113
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114 class CeCosTestSerialFilter {
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115 public:
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116 // Constructor
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117 CeCosTestSerialFilter();
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118 ~CeCosTestSerialFilter();
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119
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120 // Configuration methods
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121 void SetConsoleOutput(bool bConsoleOutput)
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122 { m_bOptConsoleOutput = bConsoleOutput; }
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123 void SetSerialDebug(bool bSerialDebug)
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124 { m_bOptSerDebug = bSerialDebug; }
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125 void SetFilterTrace(bool bFilterTrace)
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126 { m_bOptFilterTrace = bFilterTrace; }
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127
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128
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129 bool FilterFunctionProper(void*& pBuf,
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130 unsigned int& nRead,
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131 CeCosSerial& serial,
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132 CeCosSocket& socket);
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133
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134 private:
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135 enum {MAX_CMD_LEN=128};
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136 enum data_origin_t {SF_TARGET=0, SF_FILTER} ;
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137
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138 // Output methods
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139 void GDBWrite(const char* pszStr);
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140 void ConsoleWrite(const char* pszStr);
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141 void Trace(const char* pszFormat, ...);
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142 void Log(const char* pszFormat, ...);
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143
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144 void PrintHex(const unsigned char* d1, int len,
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145 data_origin_t origin=SF_TARGET);
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146
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147 // Target read/write methods
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148 void TargetWrite(CeCosSerial &pSer,
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149 const unsigned char* buffer, int len);
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150 void TargetASCIIWrite(CeCosSerial &pSer, const char* s);
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151 bool TargetRead(CeCosSerial &pSer,
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152 unsigned char* buffer, int len);
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153
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154 // Configuration CMD and helper methods
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155 void ParseConfig(char* args, ser_cfg_t* new_cfg);
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156 bool SetConfig(CeCosSerial &pSer, const ser_cfg_t* new_cfg,
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157 ser_cfg_t* old_cfg);
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158 bool VerifyConfig(CeCosSerial &pSer, ser_cfg_t* new_cfg);
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159 void CMD_ChangeConfig(CeCosSerial &pSer, char* cfg_str);
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160 void CMD_DefaultConfig(CeCosSerial &pSer);
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161
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162 // Other CMD methods.
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163 void CMD_TestBinary(CeCosSerial &pSer, char* args);
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164 void CMD_TestText(CeCosSerial &pSer, char* args);
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165 void CMD_TestPing(CeCosSerial &pSer, char* args);
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166
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167
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168 // Misc helper methods
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169 int DoCRC(unsigned char* data, int size);
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170 void SendChecksum(CeCosSerial &pSer, int crc);
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171 void SendStatus(CeCosSerial &pSer, int state);
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172 void ReceiveDone(CeCosSerial &pSer, unsigned char* data_in, int size);
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173 void DispatchCommand(CeCosSerial &pSer, char* cmd);
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174
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175 // Options used for configuring behavior.
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176 bool m_bOptConsoleOutput;
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177 bool m_bOptSerDebug;
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178 bool m_bOptFilterTrace;
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179
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180 // Buffer holding unread bytes.
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181 unsigned char* m_xUnreadBuffer; // unread_buffer;
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182 int m_nUnreadBufferIndex; // unread_buffer_ix;
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183 int m_nUnreadBufferSize; // unread_buffer_size = 0;
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184
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185 unsigned char* m_xStoredTraceBuffer;// We need this to avoid outputting
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186 // serial tracing when the target
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187 // last sent an incomplete packet, so
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188 // we store it here temporarily until
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189 // the entire packet arrives
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190 unsigned int m_nStoredTraceBufferSize; // size of above
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191
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192 // Filter state
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193 bool m_bNullFilter;
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194 int m_nCmdIndex;
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195 bool m_bCmdFlag;
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196 char m_aCmd[MAX_CMD_LEN];
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197 bool m_bFirstCommandSeen; // We need this to avoid outputting
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198 // serial tracing while GDB is trying
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199 // to connect, or it will get confused.
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200
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201 CeCosSocket* m_cGDBSocket; // gdb_socket
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202 };
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203
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204 extern bool CALLBACK SerialFilterFunction(void*& pBuf,
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205 unsigned int& nRead,
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206 CeCosSerial& serial,
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207 CeCosSocket& socket,
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208 void* pParem);
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209
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210 #endif // _CECOSSERIALFILTER_H