unix.h
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00001 
00038 #if !defined(_WIN32)
00039 
00040 #ifndef SERIAL_IMPL_UNIX_H
00041 #define SERIAL_IMPL_UNIX_H
00042 
00043 #include "serial/serial.h"
00044 
00045 #include <pthread.h>
00046 
00047 namespace serial {
00048 
00049 using std::size_t;
00050 using std::string;
00051 using std::invalid_argument;
00052 
00053 using serial::SerialException;
00054 using serial::IOException;
00055 
00056 class MillisecondTimer {
00057 public:
00058   MillisecondTimer(const uint32_t millis);         
00059   int64_t remaining();
00060 
00061 private:
00062   static timespec timespec_now();
00063   timespec expiry;
00064 };
00065 
00066 class serial::Serial::SerialImpl {
00067 public:
00068   SerialImpl (const string &port,
00069               unsigned long baudrate,
00070               bytesize_t bytesize,
00071               parity_t parity,
00072               stopbits_t stopbits,
00073               flowcontrol_t flowcontrol);
00074 
00075   virtual ~SerialImpl ();
00076 
00077   void
00078   open ();
00079 
00080   void
00081   close ();
00082 
00083   bool
00084   isOpen () const;
00085 
00086   size_t
00087   available ();
00088 
00089   bool
00090   waitReadable (uint32_t timeout);
00091 
00092   void
00093   waitByteTimes (size_t count);
00094 
00095   size_t
00096   read (uint8_t *buf, size_t size = 1);
00097 
00098   size_t
00099   write (const uint8_t *data, size_t length);
00100 
00101   void
00102   flush ();
00103 
00104   void
00105   flushInput ();
00106 
00107   void
00108   flushOutput ();
00109 
00110   void
00111   sendBreak (int duration);
00112 
00113   void
00114   setBreak (bool level);
00115 
00116   void
00117   setRTS (bool level);
00118 
00119   void
00120   setDTR (bool level);
00121 
00122   bool
00123   waitForChange ();
00124 
00125   bool
00126   getCTS ();
00127 
00128   bool
00129   getDSR ();
00130 
00131   bool
00132   getRI ();
00133 
00134   bool
00135   getCD ();
00136 
00137   void
00138   setPort (const string &port);
00139 
00140   string
00141   getPort () const;
00142 
00143   void
00144   setTimeout (Timeout &timeout);
00145 
00146   Timeout
00147   getTimeout () const;
00148 
00149   void
00150   setBaudrate (unsigned long baudrate);
00151 
00152   unsigned long
00153   getBaudrate () const;
00154 
00155   void
00156   setBytesize (bytesize_t bytesize);
00157 
00158   bytesize_t
00159   getBytesize () const;
00160 
00161   void
00162   setParity (parity_t parity);
00163 
00164   parity_t
00165   getParity () const;
00166 
00167   void
00168   setStopbits (stopbits_t stopbits);
00169 
00170   stopbits_t
00171   getStopbits () const;
00172 
00173   void
00174   setFlowcontrol (flowcontrol_t flowcontrol);
00175 
00176   flowcontrol_t
00177   getFlowcontrol () const;
00178 
00179   void
00180   readLock ();
00181 
00182   void
00183   readUnlock ();
00184 
00185   void
00186   writeLock ();
00187 
00188   void
00189   writeUnlock ();
00190 
00191 protected:
00192   void reconfigurePort ();
00193 
00194 private:
00195   string port_;               // Path to the file descriptor
00196   int fd_;                    // The current file descriptor
00197 
00198   bool is_open_;
00199   bool xonxoff_;
00200   bool rtscts_;
00201 
00202   Timeout timeout_;           // Timeout for read operations
00203   unsigned long baudrate_;    // Baudrate
00204   uint32_t byte_time_ns_;     // Nanoseconds to transmit/receive a single byte
00205 
00206   parity_t parity_;           // Parity
00207   bytesize_t bytesize_;       // Size of the bytes
00208   stopbits_t stopbits_;       // Stop Bits
00209   flowcontrol_t flowcontrol_; // Flow Control
00210 
00211   // Mutex used to lock the read functions
00212   pthread_mutex_t read_mutex;
00213   // Mutex used to lock the write functions
00214   pthread_mutex_t write_mutex;
00215 };
00216 
00217 }
00218 
00219 #endif // SERIAL_IMPL_UNIX_H
00220 
00221 #endif // !defined(_WIN32)


serial
Author(s): William Woodall , John Harrison
autogenerated on Sat Jan 21 2017 03:55:47