1 |
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2 | #ifndef _QEXTSERIALBASE_H_
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3 | #define _QEXTSERIALBASE_H_
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4 |
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5 | #include <QIODevice>
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6 | #include <QFile>
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7 |
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8 | #ifdef QT_THREAD_SUPPORT
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9 | #include <QThread>
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10 | #include <QMutex>
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11 | #endif
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12 |
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13 | /*if all warning messages are turned off, flag portability warnings to be turned off as well*/
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14 | #ifdef _TTY_NOWARN_
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15 | #define _TTY_NOWARN_PORT_
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16 | #endif
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17 |
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18 | /*macros for thread support*/
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19 | #ifdef QT_THREAD_SUPPORT
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20 | #define LOCK_MUTEX() mutex->lock()
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21 | #define UNLOCK_MUTEX() mutex->unlock()
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22 | #else
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23 | #define LOCK_MUTEX()
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24 | #define UNLOCK_MUTEX()
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25 | #endif
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26 |
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27 | /*macros for warning messages*/
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28 | #ifdef _TTY_NOWARN_PORT_
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29 | #define TTY_PORTABILITY_WARNING(s)
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30 | #else
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31 | #define TTY_PORTABILITY_WARNING(s) qWarning(s)
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32 | #endif
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33 | #ifdef _TTY_NOWARN_
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34 | #define TTY_WARNING(s)
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35 | #else
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36 | #define TTY_WARNING(s) qWarning(s)
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37 | #endif
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38 |
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39 |
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40 | /*line status constants*/
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41 | #define LS_CTS 0x01
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42 | #define LS_DSR 0x02
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43 | #define LS_DCD 0x04
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44 | #define LS_RI 0x08
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45 | #define LS_RTS 0x10
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46 | #define LS_DTR 0x20
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47 | #define LS_ST 0x40
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48 | #define LS_SR 0x80
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49 |
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50 | /*error constants*/
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51 | #define E_NO_ERROR 0
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52 | #define E_INVALID_FD 1
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53 | #define E_NO_MEMORY 2
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54 | #define E_CAUGHT_NON_BLOCKED_SIGNAL 3
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55 | #define E_PORT_TIMEOUT 4
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56 | #define E_INVALID_DEVICE 5
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57 | #define E_BREAK_CONDITION 6
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58 | #define E_FRAMING_ERROR 7
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59 | #define E_IO_ERROR 8
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60 | #define E_BUFFER_OVERRUN 9
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61 | #define E_RECEIVE_OVERFLOW 10
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62 | #define E_RECEIVE_PARITY_ERROR 11
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63 | #define E_TRANSMIT_OVERFLOW 12
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64 | #define E_READ_FAILED 13
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65 | #define E_WRITE_FAILED 14
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66 |
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67 | /*enums for port settings*/
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68 | enum NamingConvention {
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69 | WIN_NAMES,
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70 | IRIX_NAMES,
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71 | HPUX_NAMES,
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72 | SUN_NAMES,
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73 | DIGITAL_NAMES,
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74 | FREEBSD_NAMES,
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75 | LINUX_NAMES
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76 | };
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77 |
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78 | enum BaudRateType {
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79 | BAUD50, //POSIX ONLY
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80 | BAUD75, //POSIX ONLY
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81 | BAUD110,
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82 | BAUD134, //POSIX ONLY
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83 | BAUD150, //POSIX ONLY
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84 | BAUD200, //POSIX ONLY
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85 | BAUD300,
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86 | BAUD600,
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87 | BAUD1200,
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88 | BAUD1800, //POSIX ONLY
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89 | BAUD2400,
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90 | BAUD4800,
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91 | BAUD9600,
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92 | BAUD14400, //WINDOWS ONLY
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93 | BAUD19200,
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94 | BAUD38400,
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95 | BAUD56000, //WINDOWS ONLY
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96 | BAUD57600,
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97 | BAUD76800, //POSIX ONLY
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98 | BAUD115200,
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99 | BAUD128000, //WINDOWS ONLY
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100 | BAUD256000 //WINDOWS ONLY
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101 | };
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102 |
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103 | enum DataBitsType {
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104 | DATA_5,
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105 | DATA_6,
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106 | DATA_7,
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107 | DATA_8
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108 | };
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109 |
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110 | enum ParityType {
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111 | PAR_NONE,
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112 | PAR_ODD,
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113 | PAR_EVEN,
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114 | PAR_MARK, //WINDOWS ONLY
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115 | PAR_SPACE
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116 | };
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117 |
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118 | enum StopBitsType {
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119 | STOP_1,
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120 | STOP_1_5, //WINDOWS ONLY
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121 | STOP_2
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122 | };
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123 |
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124 | enum FlowType {
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125 | FLOW_OFF,
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126 | FLOW_HARDWARE,
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127 | FLOW_XONXOFF
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128 | };
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129 |
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130 | /*structure to contain port settings*/
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131 | struct PortSettings {
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132 | BaudRateType BaudRate;
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133 | DataBitsType DataBits;
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134 | ParityType Parity;
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135 | StopBitsType StopBits;
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136 | FlowType FlowControl;
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137 | ulong Timeout_Sec;
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138 | ulong Timeout_Millisec;
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139 | };
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140 |
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141 | class QextSerialBase : public QIODevice {
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142 | public:
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143 | QextSerialBase();
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144 | QextSerialBase(const QString & name);
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145 | virtual ~QextSerialBase();
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146 | virtual void construct();
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147 | virtual void setPortName(const QString & name);
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148 | virtual QString portName() const;
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149 |
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150 | virtual void setBaudRate(BaudRateType)=0;
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151 | virtual BaudRateType baudRate() const;
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152 | virtual void setDataBits(DataBitsType)=0;
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153 | virtual DataBitsType dataBits() const;
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154 | virtual void setParity(ParityType)=0;
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155 | virtual ParityType parity() const;
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156 | virtual void setStopBits(StopBitsType)=0;
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157 | virtual StopBitsType stopBits() const;
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158 | virtual void setFlowControl(FlowType)=0;
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159 | virtual FlowType flowControl() const;
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160 | virtual void setTimeout(ulong, ulong)=0;
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161 |
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162 | virtual bool open(OpenMode mode=0)=0;
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163 | virtual bool isSequential() const;
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164 | virtual void close()=0;
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165 | virtual void flush()=0;
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166 |
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167 | virtual qint64 size() const=0;
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168 | virtual qint64 bytesAvailable()=0;
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169 | virtual bool atEnd() const;
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170 |
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171 | virtual void ungetChar(char c)=0;
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172 | virtual qint64 readLine(char * data, qint64 maxSize);
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173 |
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174 | virtual ulong lastError() const;
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175 | virtual void translateError(ulong error)=0;
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176 |
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177 | virtual void setDtr(bool set=true)=0;
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178 | virtual void setRts(bool set=true)=0;
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179 | virtual ulong lineStatus()=0;
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180 |
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181 | protected:
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182 | QString port;
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183 | PortSettings Settings;
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184 | ulong lastErr;
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185 |
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186 | #ifdef QT_THREAD_SUPPORT
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187 | static QMutex* mutex;
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188 | static ulong refCount;
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189 | #endif
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190 |
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191 | virtual qint64 readData(char * data, qint64 maxSize)=0;
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192 | virtual qint64 writeData(const char * data, qint64 maxSize)=0;
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193 |
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194 | };
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195 |
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196 | #endif
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