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annotate host/tools/ecostest/common/eCosTestSerial.h @ 76:435cced73e2f ecos-v1_3_1-release

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eCos v1.3.1 merged from eCos master repository on 2000-03-27-23:22:51-BST
author jlarmour
date Tue, 28 Mar 2000 14:10:45 +0000
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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 // eCosTestSerial.h
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28 //
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29 // Serial test 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): sdf
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36 // Contributors: sdf
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37 // Date: 1999-04-01
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38 // Description: This class abstracts the serial port for use in the testing infrastructure
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39 // Usage:
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40 //
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41 //
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42 //####DESCRIPTIONEND####
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43
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44 #ifndef _CECOSSERIAL_H
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45 #define _CECOSSERIAL_H
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46 #include "eCosStd.h"
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47 #include "eCosTestSocket.h"
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48 #include "Collections.h"
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49
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50 class CeCosTestSerial {
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51 friend int CeCosTestSocket::SSRead (CeCosTestSerial &serial,CeCosTestSocket &socket,void *pBuf,unsigned int nSize,unsigned int &nRead,bool *pbStop);
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52
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53 public:
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54 enum StopBitsType { ONE_STOP_BIT, ONE_POINT_FIVE_STOP_BITS, TWO_STOP_BITS };
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55 CeCosTestSerial(LPCTSTR pszPort,int nBaud); // ctor and open all in one go
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56 CeCosTestSerial(); // Call Open() later
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57 virtual ~CeCosTestSerial(); // Call Open() later
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58
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59 bool Open(LPCTSTR pszPort,int nBaud);
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60
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61 // Set various line characteristics. This can be done with the line open or closed.
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62 bool SetBaud(unsigned int nBaud,bool bApplySettingsNow=true);
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63 bool SetParity(bool bParityOn,bool bApplySettingsNow=true);
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64 bool SetDataBits(int n,bool bApplySettingsNow=true);
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65 bool SetStopBits(StopBitsType n,bool bApplySettingsNow=true);
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66 bool SetReadTimeOuts(int nTotal,int nBetweenChars,bool bApplySettingsNow=true); // mSec
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67 bool SetWriteTimeOuts(int nTotal,int nBetweenChars,bool bApplySettingsNow=true); // mSec
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68
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69 bool ApplySettings();
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70
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71 // Get them:
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72 int GetParity() const { return m_bParity; }
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73 int GetDataBits() const { return m_nDataBits; }
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74 StopBitsType GetStopBits() const { return m_nStopBits; }
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75 unsigned int GetBaud() const { return m_nBaud; }
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76 bool GetReadTimeOuts(int &nTotal,int &nBetweenChars) const {nTotal=m_nTotalReadTimeout; nBetweenChars=m_nInterCharReadTimeout; return true; }// mSec
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77 bool GetWriteTimeOuts(int &nTotal,int &nBetweenChars) const {nTotal=m_nTotalWriteTimeout; nBetweenChars=m_nInterCharWriteTimeout; return true; }// mSec
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78 bool GetBlockingReads() const { return m_bBlockingReads; }
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79 bool Close();
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80
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81 bool Flush (void);
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82
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83 // Use to test success after open ctor
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84 bool Ok() { return 0!=m_pHandle; }
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85
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86 // Will read up to the length provided:
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87 bool Read (void *pBuf,unsigned int nSize,unsigned int &nRead);
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88 bool Write(void *pBuf,unsigned int nSize,unsigned int &nWritten);
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89
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90 //Removed, as dangerous when using UNICODE:
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91 //bool Read (String &str);
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92 //bool Write(const String &str);
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93
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94 // Use in the event of an error that needs to be cleared before the next operation:
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95 bool ClearError();
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96
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97 bool SetBlockingReads(bool b,bool bApplySettingsNow=true);
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98
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99 int Error() { return m_nErr; }
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100 // Return last socket error, translated to a string
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101 String ErrString();
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102
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103 protected:
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104 int m_nErr;
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105 void SaveError() {
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106 #ifdef _WIN32
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107 m_nErr=WSAGetLastError();
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108 #else // UNIX
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109 m_nErr=errno;
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110 #endif
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111 }
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112
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113 void *m_pHandle;
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114 int m_nDataBits;
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115 StopBitsType m_nStopBits;
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116 bool m_bParity;
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117 unsigned int m_nBaud;
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118 int m_nTotalReadTimeout,m_nTotalWriteTimeout;
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119 int m_nInterCharReadTimeout,m_nInterCharWriteTimeout;
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120 bool m_bBlockingReads;
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121 String m_strPort;
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122 };
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123 #endif