/****************************************************************************
* DESCRIPTION: Initializes the RS485 hardware and variables, and starts in
* receive mode.
* RETURN: none
* ALGORITHM: none
* NOTES: none
*****************************************************************************/
void RS485_Initialize(
void)
{
RS485_Handle =
CreateFile(RS485_Port_Name, GENERIC_READ | GENERIC_WRITE, 0, 0,
OPEN_EXISTING,
/*FILE_FLAG_OVERLAPPED */ 0,
0);
if (RS485_Handle == INVALID_HANDLE_VALUE) {
fprintf(stderr, "Unable to open %s\n", RS485_Port_Name);
RS485_Print_Error();
exit(1);
}
if (!GetCommTimeouts(RS485_Handle, &RS485_Timeouts)) {
RS485_Print_Error();
}
RS485_Configure_Status();
#if PRINT_ENABLED
fprintf(stderr, "RS485 Interface: %s\n", RS485_Port_Name);
#endif
atexit(RS485_Cleanup);
return;
}
/****************************************************************************
* DESCRIPTION: Initializes the RS485 hardware and variables, and starts in
* receive mode.
* RETURN: none
* ALGORITHM: none
* NOTES: none
*****************************************************************************/
void RS485_Initialize(
void)
{
wchar_t Temp_wchar[500];
wchar_t * pUnicode;
int unicodeLen = MultiByteToWideChar( CP_ACP,0, RS485_Port_Name,-1,NULL,0 );
// pUnicode = new wchar_t[unicodeLen+1];
memset(Temp_wchar,0,(unicodeLen+1)*sizeof(wchar_t));
MultiByteToWideChar( CP_ACP, 0,RS485_Port_Name,-1,(LPWSTR)Temp_wchar,unicodeLen );
//memset(pUnicode,0,(unicodeLen+1)*sizeof(wchar_t));
//::MultiByteToWideChar( CP_ACP, 0,str.c_str(),-1,(LPWSTR)pUnicode,unicodeLen );
//wstring rt;
//rt = ( wchar_t* )pUnicode;
//delete pUnicode;
//return rt;
RS485_Handle =
CreateFile(Temp_wchar, GENERIC_READ | GENERIC_WRITE, 0, 0,
OPEN_EXISTING,
/*FILE_FLAG_OVERLAPPED */ 0,
0);
if (RS485_Handle == INVALID_HANDLE_VALUE) {
fprintf(stderr, "Unable to open %s\n", RS485_Port_Name);
RS485_Print_Error();
return; // if open com port fail , don't exit ;
//exit(1);
}
if (!GetCommTimeouts(RS485_Handle, &RS485_Timeouts)) {
RS485_Print_Error();
}
RS485_Configure_Status();
#if PRINT_ENABLED
fprintf(stderr, "RS485 Interface: %s\n", RS485_Port_Name);
#endif
atexit(RS485_Cleanup);
return;
}
