RE: [Mingw-users] Help serial port

[<oh...@di...>]

I to find an example of serial port in Mingw-users,
but not this complete,  can you send?, or to indicate like having.
I believe that to send Michael Haertl  to Lofstad Eric 

Thanks

/*****************************************************
>  *
>  * transmit simple commands via rs232 
>  *
> 
>
*****************************************************/
> 
> #include <stdio.h>
> #include <stdlib.h>
> #include <string.h>
> #include <conio.h>
> #include <wtypes.h>
> 
>
/*****************************************************/
> #define TESTSTRING "Test... "
> #define KEYB_Q      `q`
> #define KEYB_PLUS   `+`
> #define KEYB_MINUS  `-`
> #define KEYB_SPACE  ` `
> 
> const char* ComPortStr[] = {
>   "ERR",
>   "COM1",
>   "COM2"
> };
> 
>
/*****************************************************/
> 
> 
> 
> void usage(int argc, char* argv[])
> {
> 
>
printf("********************************************");
>   printf("wrong number of arguments. usage:");
>   printf("%s <port> <vca-nr>", "txcom");
>   printf("  where <port>    is the number of the
> used com port (1,2)");
>   printf("        <vca-nr>  is the number of the
> used VCA (1...24)");
> }
> 
> 
> 
> int main(int argc, char* argv[])
> {
>   // com port
>   int    com_no;
>   HANDLE hCom;
>   DCB    dcb;
>   ULONG  nBytesWritten;
> 
>   // vca parameters
>   int vca_no;
>   int vca_val       = 60;
>   int vca_delta     = 10;
>   int vca_mutestate = 0;
>   unsigned char cmd_word[3];
> 
>   // div
>   char c = 0;
> 
> 
>   printf("txcom - send commands to com port
> (test)");
> 
> 
>   // chk for no of arguments
>   if (argc != 3) {
>     usage(argc, argv);
>     // getchar();
>     exit(-1);
>   }
> 
> 
>   // chk for com port
>   com_no = atoi(argv[1]);
>   if ((com_no != 1) && (com_no !=2)) {
>     printf("cannot open com port %d", com_no);
>     exit(-1);
>   } else {
>     // try to open com port
>     hCom = CreateFile(
>       ComPortStr[com_no],
>       GENERIC_READ | GENERIC_WRITE,
>       0,                               /* com devs
> must be opeend w/ exclusive-access */
>       NULL,                            /* no
> security attribs */
>       OPEN_EXISTING,                   /* necessary
> for com ports */
>       0,                               /* no
> overlapped i/o */
>       NULL                             /* must be
> null for com */ 
>     );
> 
>     if (!hCom) {
>       printf("could not open com port %d!",
> com_no);
>       exit(-1);
>     } else {
>       printf("com port %d opened.", com_no);
> 
>       // set dcb struct: 19200baud, 8bits no parity,
> 1 stop bit etc
>       dcb.DCBlength         = sizeof(dcb); 
> // sizeof(DCB)
>       dcb.BaudRate          = CBR_19200; 
> // current baud rate
>       dcb.fParity           = FALSE; 
> // disable parity checking
>       dcb.fOutxCtsFlow      = FALSE; 
> // no CTS output flow control
>       dcb.fOutxDsrFlow      = FALSE; 
> // no DSR output flow control
>       dcb.fDtrControl       = DTR_CONTROL_DISABLE; 
> // DTR flow control type
>       dcb.fDsrSensitivity   = FALSE; 
> // DSR sensitivity
>       dcb.fTXContinueOnXoff = TRUE; 
> // XOFF continues Tx
>       dcb.fOutX             = FALSE; 
> // XON/XOFF out flow control
>       dcb.fInX              = FALSE; 
> // XON/XOFF in flow control
>       dcb.fNull             = FALSE; 
> // enable null stripping
>       dcb.fRtsControl       = RTS_CONTROL_DISABLE; 
> // RTS flow control
>       dcb.fAbortOnError     = FALSE; 
> // abort reads/writes on error
>       dcb.ByteSize          = 8; 
> // number of bits/byte, 4-8
>       dcb.Parity            = NOPARITY; 
> // 0-4=no,odd,even,mark,space
>       dcb.StopBits          = ONESTOPBIT; 
> // 
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