annotate host/tools/ecostest/common/ResetAttributes.cpp @ 84:489eb5632bc3 ecos-sw-2000-04-28

Merge from eCos master repository on 2000-04-28-18:44:39-BST
author jlarmour
date Fri, 28 Apr 2000 18:18:36 +0000
parents 6736c52df507
children
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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 //#####DESCRIPTIONBEGIN####
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26 //
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27 // Author(s): sdf
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28 // Contributors: sdf
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29 // Date: 1999-04-01
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30 // Description: Holds information related to target reset
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31 // Usage:
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32 //
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33 //####DESCRIPTIONEND####
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34 #include "eCosStd.h"
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35 #include "eCosThreadUtils.h"
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36 #include "eCosTrace.h"
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37 #include "ResetAttributes.h"
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38
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39 const CResetAttributes CResetAttributes::NoReset;
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40
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41 CResetAttributes::CResetAttributes(LPCTSTR psz) :
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42 // Default values:
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43 m_nDelay(1000),
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44 m_nReadTimeout(10*1000),
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45 m_nBaud(38400)
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46 {
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47 // Remove spaces
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48 while(*psz){
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49 if(!_istspace(*psz)){
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50 m_str+=*psz;
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51 }
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52 psz++;
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53 }
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54 }
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55
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56 /*
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57 LPCTSTR CResetAttributes::Image(int nErr)
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58 {
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59 switch(nErr){
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60 case RESET_OK:
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61 return _T("RESET_OK");
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62 break;
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63 case RESET_ILLEGAL_DEVICE_CODE:
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64 return _T("Illegal device code");
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65 break;
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66 case RESET_NO_REPLY:
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67 return _T("No reply from reset unit");
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68 break;
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69 case RESET_BAD_CHECKSUM:
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70 return _T("Bad checksum");
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71 break;
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72 case RESET_BAD_ACK:
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73 return _T("Bad ack");
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74 break;
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75 default:
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76 return _T("Unknown reset error");
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77 break;
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78 }
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79 }
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80 */
76
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81 void CResetAttributes::SuckThreadFunc()
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82 {
82
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83 m_strResetOutput=_T("");
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84
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85 // Board has apparently been powered on. Suck initial output.
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86 ResetLog(String::SFormat(_T("Reading board startup output from %s with timeout of %d seconds..."),(LPCTSTR)m_strAuxPort,m_nReadTimeout/1000));
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87
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88 enum {BUFSIZE=512};
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89 TCHAR buf[1+BUFSIZE];
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90 memset(buf,0,BUFSIZE); // safety for string functions in IsValidReset
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91 do {
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92 unsigned int dwRead=0;
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93 // We are working in non-blocking mode
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94 if(m_Socket.Ok()){
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95 if(!m_Socket.Peek(dwRead)||!m_Socket.recv(buf,MIN(dwRead,BUFSIZE))){
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96 break;
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97 }
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98 } else if (!m_Serial.Read(buf,BUFSIZE,dwRead)){
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99 m_Serial.ClearError();
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100 continue;
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101 }
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102 if(dwRead>0){
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103 buf[dwRead]=_TCHAR('\0');
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104
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105 // Remove unprintable characters
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106 String str;
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107 for(const TCHAR *t=buf;*t;t++){
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108 if(_istprint(*t)){
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109 str+=*t;
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110 }
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111 }
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112
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113 if(m_pfnReset){
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114 ENTERCRITICAL;
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115 m_pfnReset(m_pfnResetparam,str);
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116 LEAVECRITICAL;
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117 }
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118
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119 ResetLog(str);
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120 m_strResetOutput+=str;
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121
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122 if(IsValidReset()){
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123 break;
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124 }
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125 // } else { // Nothing read
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126 // CeCosThreadUtils::Sleep(50);
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127 }
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128 } while (0==m_tResetOccurred || Now()-m_tResetOccurred<m_nReadTimeout);
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129
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130 if(0==m_strResetOutput.size()){
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131 ResetLog(_T("No response from board"));
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132 } else {
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133 if(m_pfnReset){
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134 ENTERCRITICAL;
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135 m_pfnReset(m_pfnResetparam,_T("\n"));
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136 LEAVECRITICAL;
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137 }
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138 TRACE(_T("%s"),(LPCTSTR)m_strResetOutput);
76
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139 }
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140 }
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141
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142 bool CResetAttributes::Reset(Action action,bool bCheckOutput)
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143 {
82
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144 m_tResetOccurred=0;
76
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145 m_strResetOutput=_T("");
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146 bool rc=false;
82
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147 CeCosSocket sock;
76
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148 String strStatus;
82
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149 strStatus.Format(_T("Reset target using %s %s port=%s(%d) read timeout=%d delay=%d"),
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150 (LPCTSTR)m_strHostPort,(LPCTSTR)m_strControl,
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151 (LPCTSTR)m_strAuxPort, m_nBaud, m_nReadTimeout, m_nDelay);
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152 if(bCheckOutput){
82
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153 strStatus+=_T(" expect(");
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154 for(unsigned int i=0;i<m_arValidResetStrings.size();i++){
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155 if(i>0){
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156 strStatus+=_TCHAR(',');
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157 }
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158 strStatus+=m_arValidResetStrings[i];
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159 }
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160 strStatus+=_T(")");
76
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161 }
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162 ResetLog(strStatus);
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163
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164 // Open up communication to port whence we read the board startup
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165 bool bThreadDone=false;
82
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166 bCheckOutput&=(m_strAuxPort.size()>0);
76
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167 if(bCheckOutput){
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168 TRACE(_T("Opening %s\n"),(LPCTSTR)m_strAuxPort);
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169 if(CeCosSocket::IsLegalHostPort(m_strAuxPort)){
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170 // tcp/ip port
82
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171 if(!m_Socket.Connect(m_strAuxPort,m_nReadTimeout)){
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172 ResetLog(String::SFormat(_T("Failed to open %s - %s"),(LPCTSTR)m_strAuxPort,(LPCTSTR)m_Socket.SocketErrString()));
76
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173 return false;
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174 }
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175 } else {
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176 // Comms device
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177 m_Serial.SetBlockingReads(false);
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178 if(m_Serial.Open(m_strAuxPort,m_nBaud)){
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179 m_Serial.Flush();
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180 } else {
82
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181 ResetLog(String::SFormat(_T("Failed to open comms port %s - %s"),(LPCTSTR)m_strAuxPort,(LPCTSTR)m_Serial.ErrString()));
76
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182 return false;
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183 }
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184 }
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185 CeCosThreadUtils::RunThread(SSuckThreadFunc,this,&bThreadDone,_T("SSuckThreadFunc"));
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186 } else {
82
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187 ResetLog(_T("[not checking output]"));
76
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188 }
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189
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190 // This will be true if we need to talk to a reset server, false to talk down a local port
82
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191 bool bRemote=CeCosSocket::IsLegalHostPort(m_strHostPort);
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192 if(bRemote){
82
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193 if(sock.Connect(m_strHostPort,10*1000)){
76
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194 // Write the message to the socket
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195 int nDelay=(action==ON_OFF || action==OFF_ON)?m_nDelay:0;
82
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196 TRACE(_T("-Control=%s -Action=%d -Delay=%d"),(LPCTSTR)m_strControl,action,nDelay);
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197 if(sock.sendString(String::SFormat(_T("-Control=%s -Action=%d -Delay=%d"),(LPCTSTR)m_strControl,action,nDelay),_T("Reset control codes"), 10*1000)){
76
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198 // Wait for an acknowledgement
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199 String strResponse;
82
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200 if(sock.recvString(strResponse, _T("Response"), nDelay+20*1000)){
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201 rc=(0==strResponse.size());
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202 if(!rc && m_pfnReset){
82
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203 ResetLog(String::SFormat(_T("Reset server reports error '%s'"),(LPCTSTR)strResponse));
76
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204 }
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205 } else {
82
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206 ResetLog(String::SFormat(_T("Failed to read response from reset server %s - %s"),(LPCTSTR)m_strHostPort,(LPCTSTR)sock.SocketErrString()));
76
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207 }
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208 } else {
82
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209 ResetLog(String::SFormat(_T("Failed to contact reset server %s - %s"),(LPCTSTR)m_strHostPort,(LPCTSTR)sock.SocketErrString()));
76
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210 }
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211 m_tResetOccurred=Now();
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212 if(bCheckOutput){
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213 if(!rc){
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214 // force thread to time out
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215 m_tResetOccurred=Now()-m_nReadTimeout;
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216 }
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217 CeCosThreadUtils::WaitFor(bThreadDone); // do not apply a timeout - the thread has one
82
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218 rc=IsValidReset();
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219 ResetLog(rc?_T("Reset output valid"):_T("Reset output INVALID"));
76
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220 }
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221 } else {
82
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222 ResetLog(String::SFormat(_T("Failed to contact reset server %s - %s"),(LPCTSTR)m_strHostPort,(LPCTSTR)sock.SocketErrString()));
76
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223 }
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224 } else {
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225 // Sending something locally
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226 m_tResetOccurred=Now();
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227 unsigned int nWritten;
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228 m_Serial.Write((void *)(LPCTSTR)m_strControl,1,nWritten);
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229 if(bCheckOutput){
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230 CeCosThreadUtils::WaitFor(bThreadDone); // do not apply a timeout - the thread has one
82
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231 rc=IsValidReset();
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232 ResetLog(rc?_T("Reset output valid"):_T("Reset output INVALID"));
76
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233 }
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234 }
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235
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236 if(m_Socket.Ok()){
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237 m_Socket.Close();
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238 } else {
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239 m_Serial.Close();
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240 }
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241 return rc && bCheckOutput;
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242 }
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243
82
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244 // We expect to be passed a string that starts with "xxx(yyy)"
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245 // and the task is to extract xxx into strID and yyy into strArg
76
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246 const TCHAR *CResetAttributes::GetIdAndArg (LPCTSTR psz,String &strID,String &strArg)
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247 {
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248 const TCHAR *cEnd=_tcschr(psz,_TCHAR('('));
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249 if(cEnd){
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250 strID=String(psz,cEnd-psz);
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251 int nNest=0;
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252 for(const TCHAR *c=cEnd;*c;c++){
435cced73e2f eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
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253 if(_TCHAR('(')==*c){
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254 nNest++;
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255 } else if(_TCHAR(')')==*c){
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256 nNest--;
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257 if(0==nNest){
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258 strArg=String(cEnd+1,c-(cEnd+1));
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259 return c+1;
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260 }
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261 }
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262 }
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263 assert(false);
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264 }
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265 return 0;
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266 }
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267
82
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268 // Do the reset
76
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269 CResetAttributes::ResetResult CResetAttributes::Reset (LogFunc *pfnLog, void *pfnLogparam,bool bCheckOnly)
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270 {
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271 m_pfnReset=pfnLog;
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272 m_pfnResetparam=pfnLogparam;
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273
82
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274 // First we clean up the reset string so as to make subsequent parsing less complicated.
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275 // Spaces have already been removed in the ctor
76
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276
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277 // Check paren matching:
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278 int nNest=0;
82
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279 for(const TCHAR *c=m_str;*c;c++){
76
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280 if(_TCHAR('(')==*c){
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281 nNest++;
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282 } else if(_TCHAR(')')==*c){
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283 nNest--;
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284 if(nNest<0){
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285 ResetLog(_T("Too many right parentheses"));
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286 return INVALID_STRING;
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287 }
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288 }
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289 }
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290 if(nNest>0){
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291 ResetLog(_T("Too many left parentheses"));
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292 return INVALID_STRING;
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293 }
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294
82
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295 return Parse(m_str,bCheckOnly);
76
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296 }
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297
82
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298 // This function parses the reset string, whose form is something like:
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299 // expect($T05) 3(off(ginga:5000,a1) delay(2000) on(ginga:5000,a1,com1,38400,10000))
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300 // It is recursive (which is another reason elementary syntax checking was carried out above)
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301 // and calls itself to perform repeats [e.g. 3(...)]
76
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302 CResetAttributes::ResetResult CResetAttributes::Parse (LPCTSTR psz,bool bCheckOnly)
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303 {
82
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304 enum {ARGSEP=_TCHAR(',')};
76
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305 bool bCheck=false;
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306 for(const TCHAR *c=psz;*c;){
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307 String strID,strArg;
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308 c=GetIdAndArg(c,strID,strArg);
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309 if(0==c){
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310 ResetLog(_T("Invalid reset string"));
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311 return INVALID_STRING;
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312 }
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313
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314 if(isdigit(*(LPCTSTR)strID)){
82
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315 // Process a repeat-until-reset. Syntax is n(resetstring)
76
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316 int nRepeat=_ttoi(strID);
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317 if(0==nRepeat){
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318 ResetLog(_T("Invalid reset string"));
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319 return INVALID_STRING;
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320 }
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321 if(bCheckOnly){
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322 return Parse(strArg,true);
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323 } else {
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324 while(nRepeat--){
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325 ResetResult r=Parse(strArg);
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326 if(RESET_OK==r||INVALID_STRING==r){
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327 return r;
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328 }
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329 }
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330 }
82
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331 } else if (_T("expect")==strID) {
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332 // Expected string(s). e.g. expect(str1,str2,...).
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333 strArg.Chop(m_arValidResetStrings,ARGSEP,true);
76
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334 } else if (_T("port")==strID) {
82
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335 // Port information. e.g. port(com1,38400,1000)
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336 // This information will apply to all subsequent actions until overwritten.
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337 // Specifically args are:
76
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338 // 0. Port
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339 // 1. Baud
82
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340 // 2. Read timeout
76
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341 StringArray ar;
82
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342 int nArgs=strArg.Chop(ar,ARGSEP,true);
84
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343 if(nArgs>0){
76
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344 m_strAuxPort=ar[0];
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345 }
84
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346 if(nArgs>1){
76
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347 m_nBaud=_ttoi(ar[1]);
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348 }
84
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349 if(nArgs>2){
76
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350 m_nReadTimeout=_ttoi(ar[2]);
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351 }
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352 } else if (_T("off")==strID || _T("on")==strID || _T("on_off")==strID || _T("off_on")==strID) {
82
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353 // Action information. e.g. off(ginga:500,A4,com1,38400,10000,1000)
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354 // Specifically args are:
76
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355 // 0. Reset host:port
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356 // 1. Control string
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357 // 2. Port
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358 // 3. Baud
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359 // 4. Read timeout
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360 // 5. Delay
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361 StringArray ar;
82
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362 int nArgs=strArg.Chop(ar,ARGSEP,true);
84
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363 if(nArgs>0){
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364 m_strHostPort=ar[0];
76
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365 }
84
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366 if(nArgs>1){
76
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367 m_strControl=ar[1];
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368 }
84
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369 if(nArgs>2){
76
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370 m_strAuxPort=ar[2];
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371 }
84
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372 if(nArgs>3){
76
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373 m_nBaud=_ttoi(ar[3]);
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374 }
84
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375 if(nArgs>4){
76
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376 m_nReadTimeout=_ttoi(ar[4]);
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377 }
84
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378 if(nArgs>5){
76
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379 m_nDelay=_ttoi(ar[5]);
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380 }
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381
82
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382 if(0==m_strHostPort.size()){
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383 ResetLog(_T("Failed to specify reset host:port"));
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384 return INVALID_STRING;
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385 }
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386
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387 Action action=ON; // prevent compiler warning
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388 if(_T("on")==strID){
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389 action=ON;
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390 } else if(_T("off")==strID){
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391 action=OFF;
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392 } else if(_T("on_off")==strID){
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393 action=ON_OFF;
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394 } else if(_T("off_on")==strID){
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395 action=OFF_ON;
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396 }
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397
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398 if(!bCheckOnly && Reset(action,bCheck||action==ON_OFF||action==OFF_ON)){
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399 return RESET_OK;
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400 }
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401 bCheck ^= 1;
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402 } else if (_T("delay")==strID) {
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403 // Delay for a given time right now. e.g. delay(1000)
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404 // Specifically args are:
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405 // 0. msec to delay
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406 TRACE(_T("CeCosThreadUtils::Sleep %d\n"),_ttoi(strArg));
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407 if(!bCheckOnly){
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408 CeCosThreadUtils::Sleep(_ttoi(strArg));
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409 }
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410 } else {
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411 ResetLog(String::SFormat(_T("Unrecognized command '%s'"),(LPCTSTR)strID));
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412 return INVALID_STRING;
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413 }
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414 }
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415 ResetLog(_T("Target reset not verified"));
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416 return NOT_RESET;
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417 }
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418
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419 // Log some output to the reset log function.
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420 void CResetAttributes::ResetLog(LPCTSTR psz)
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421 {
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422 if(m_pfnReset){
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423 ENTERCRITICAL;
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424 m_pfnReset(m_pfnResetparam,String::SFormat(_T("%s >>> %s\n"),(LPCTSTR)CeCosTrace::Timestamp(),psz));
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425 TRACE(_T("%s"),psz);
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426 LEAVECRITICAL;
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427 }
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428 }
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429
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430 bool CResetAttributes::IsValidReset()
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431 {
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432 unsigned int n=0;
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433 ENTERCRITICAL;
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434 for(int i=m_arValidResetStrings.size()-1;i>=0;--i){
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435 if(_tcsstr(m_strResetOutput,m_arValidResetStrings[i])){
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436 n++;
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437 }
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438 }
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439 LEAVECRITICAL;
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440 return n==m_arValidResetStrings.size();
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441 }