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convert gcc function to visual c for win

Posted on 1998-12-03
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Last Modified: 2008-02-01
Below is a function which is well-tested and error-free when compiled
with gcc and running with Red Had Linux 5.1.

We need to rewrite the same function using Visual C++ to run under
Windows.

Can anyone name library functions in Visual C++ which correspond to the
library functions from gcc used below?

submitted by amw23

/* some globals: */

#define COM_PORT        "/dev/cua0"
int            comTimeOut=COMTIMEOUT;
int            comport;
int            comsocket;
struct termios old_port;
struct termios new_port;


/* the function: */
/*******************************  OpenPort  *********************************/
void OpenPort() {
  void ClosePort();

  if ((comport = open(COM_PORT,O_RDWR | O_NONBLOCK))==-1) { /****************/
    perror("comserver (open)");                      /* Open the com port.  */
    exit(1);                                        /************************/
  }

  if (tcgetattr(comport, &old_port)!=0) {                  /*****************/
    perror("comserver (tcgetattr)");                      /* Get attributes */
    exit(1);                                             /* on com port.    */
  }                                                     /********************/
                                                /****************************/
  new_port = old_port;                         /* Save current settings, so */
  atexit (ClosePort);                             /* they can be resorted latter*/
                                             /*******************************/
  cfsetispeed(&new_port, B1200);                    /* Adjust port settings */
  cfsetospeed(&new_port, B1200);                   /*     1200 baud         */
  cfmakeraw(&new_port);                           /*      set RAW data mode */
  tcsetattr (comport, TCSANOW, &new_port);       /* Apply new settings.     */
                                                /****************************/
}




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Question by:amw23
2 Comments
 
LVL 86

Accepted Solution

by:
jkr earned 400 total points
ID: 1179180
Ooops, this will have to be completly re-written for Win32 - 'open()' is superseded by 'CreateFile()' whereas 'cfsetispeed()'   'cfsetospeed()' and 'tcsetattr()' are replaced by a call to 'SetCommState()'. The functions and the programming model don't correspond at all, but the MS scheme is quite straightfoward... The most comprehensive information on serial programming on Win32 is an MSDN article named 'Serial Communications in Win32' at 'http://www.microsoft.com/win32dev/base/serial.htm' - feel free to ask if you have further questions or need some sample source code...
0
 

Author Comment

by:amw23
ID: 1179181
Your reply and the references you cite appear to be on point.
We are examining each one.  We will post another question if
we need more help.
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