|
| OPEN_EXISTING, |
|
| 0, // no overlapped I/O |
|
| NULL); // null template |
/* Set up the COM Ports Input and Output Buffer | ||
Syntax - |
|
|
BOOL SetupComm( |
|
|
HANDLE hFile, | // handle to communications device | |
DWORD dwInQueue, | // size of input buffer | |
DWORD dwOutQueue | // size of output buffer | |
); |
|
|
*/ |
|
|
PortReady = SetupComm(ComHandle, 5000, 5000); | ||
/* Open the existing COM Settings | ||
Syntax - |
|
|
BOOL GetCommState( |
|
|
HANDLE hFile, | // handle to communications device | |
LPDCB lpDCB | // pointer to | |
|
| // structure |
); |
|
|
*/
PortReady = GetCommState(ComHandle, &CommSettings);
/*Check to see if it was successful*/ if(!PortReady)
{
CloseHandle(ComHandle);
fclose(fp);
exit(0);
}
/* This is USed to Update the CommSettings Structure Variables*/
//Setting the Baud Rate switch (ComBaud)
{
case ‘1’:
CommSettings.BaudRate = CBR_9600; // rate - 9600
break; case ‘2’:
CommSettings.BaudRate = CBR_19200; // rate - 19200 break;
114 | Site Master PM |
