🚀 go-pugleaf

Hi,

"ScOe" <sven.savic@zg.hinet.hr> wrote:
>I've saw specifications for my mobile phone, and there is bunch of AT
>commands that response to.
>I'm trying to send them to mobile phone like this:
>
>String gszPort;
>gszPort = "COM2";
>HANDLE hComm;
>hComm = CreateFile( gszPort.c_str (),
>                    GENERIC_READ | GENERIC_WRITE,
>                    0,
>                    0,
>                    OPEN_EXISTING,
>                    FILE_FLAG_OVERLAPPED,
>                    0);
>if (hComm == INVALID_HANDLE_VALUE) {
>        ShowMessage ("Gre�ka: INVALID_HANDLE_VALUE");
>        return;
>        }
>DWORD dwToWrite;
>if (WriteABuffer ("AT^SMSO", 10, hComm) == FALSE)
>        ShowMessage ("Gre�ka prilikom slanja");
>
>CloseHandle (hComm);
>
>BOOL TForm1::WriteABuffer(char * lpBuf, DWORD dwToWrite, HANDLE hComm)
>{
>....
>   if (!WriteFile(hComm, lpBuf, dwToWrite, &dwWritten, &osWrite)) {
>      if (GetLastError() != ERROR_IO_PENDING) {
>         fRes = FALSE;
>         }
>      }
>
>what am i doing wrong ?
>

A lot wrong:

1)You did not set port parameters: speed, parity, stopbits...,
for example: 
gszPort = "COM2:9600,N,8,1";
2)You also did not create DCB.

See my TPortControl in codecentral, serial com samples on 
www.bcbdev.com, 
and make search "Jonathan Arnold Serial Communications" on 
http://www.tamaracka.com/search.htm.

Vladimir.