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/* ------------------------------------------------------------------------ --
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-- --
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-- PC serial port connection object --
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-- for non-event-driven programs --
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-- --
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-- --
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-- --
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-- Copyright @ 2001 Thierry Schneider --
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-- thierry@tetraedre.com --
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-- --
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-- --
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-- --
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-- ------------------------------------------------------------------------ --
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-- --
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-- Filename : sertest2.cpp --
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-- Author : Thierry Schneider --
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-- Created : April 4th 2000 --
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-- Modified : April 8th 2001 --
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-- Plateform: Windows 95, 98, NT, 2000 (Win32) --
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-- ------------------------------------------------------------------------ --
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-- --
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-- This software is given without any warranty. It can be distributed --
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-- free of charge as long as this header remains, unchanged. --
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-- --
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-- ------------------------------------------------------------------------ */
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// modified by Chris O. Nov-02-2010
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/* ---------------------------------------------------------------------- */
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#ifndef TSERIAL_H
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#define TSERIAL_H
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enum ComPortTimeouts
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{
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RxIntrvlTimeout = 200, // Read Interval Timeout
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RxTotalTimeoutMultip = 10, // Read Total Timeout Multiplier
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RxTotalTimeoutConst = 500, // Read Total Timeout Constant
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TxTotalTimeoutMultip = 10, // Write Total Timeout Multiplier
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TxTotalTimeoutConst = 200 // Write Total Timeout Constant
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};
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enum serial_parity { spNONE, spODD, spEVEN };
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/* -------------------------------------------------------------------- */
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/* ----------------------------- Tserial ---------------------------- */
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/* -------------------------------------------------------------------- */
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class Tserial
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{
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// -------------------------------------------------------- //
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protected:
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static const int iMaxPortName = 10;
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char port[iMaxPortName]; // port name "com1",...
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int rate; // baudrate
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serial_parity parityMode;
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HANDLE serial_handle; // ...
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DWORD dwReadTotalTimeout; // timeout set while port is opened
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DCB dcbOrg;
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COMMTIMEOUTS ctoOrg;
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DWORD cmOrg;
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// ++++++++++++++++++++++++++++++++++++++++++++++
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// .................. EXTERNAL VIEW .............
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// ++++++++++++++++++++++++++++++++++++++++++++++
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public:
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Tserial();
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~Tserial();
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DWORD connect (const char *port_arg,
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int rate_arg,
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serial_parity parity_arg);
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DWORD disconnect (void);
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DWORD reconnect (void);
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BOOL isconnected() { return serial_handle==INVALID_HANDLE_VALUE ? FALSE : TRUE; }
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DWORD sendChar (char c);
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DWORD sendArray (const char *buffer, int len);
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DWORD getChar(char *c);
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DWORD getArray (char *buffer, int len, DWORD *iReadNum);
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int getNbrOfBytes (void);
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DWORD ChangeCommTimeouts(DWORD dwTimeout);
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DWORD ResetCommTimeouts();
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DWORD ChangeCommBaudrate(DWORD dwBaudRate);
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DWORD GetCommBaudrate(DWORD *dwBaudrate);
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};
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/* -------------------------------------------------------------------- */
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#endif TSERIAL_H
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