/**
* throws EXIT_FAILURE if could not open the port
*/
int
Serial_Port::
open_serial()
{
// --------------------------------------------------------------------------
// OPEN PORT
// --------------------------------------------------------------------------
//printf("OPEN PORT\n");
fd = _open_port(uart_name);
// Check success
if (fd == -1) {
//printf("failure, could not open port.\n");
return -1;
//throw EXIT_FAILURE;
}
// --------------------------------------------------------------------------
// SETUP PORT
// --------------------------------------------------------------------------
bool success = _setup_port(baudrate, 8, 1, false, false);
// --------------------------------------------------------------------------
// CHECK STATUS
// --------------------------------------------------------------------------
if (!success) {
printf("failure, could not configure port.\n");
//throw EXIT_FAILURE;
return -1;
}
if (fd <= 0) {
printf("Connection attempt to port %s with %d baud, 8N1 failed, exiting.\n", uart_name, baudrate);
//throw EXIT_FAILURE;
return -1;
}
// --------------------------------------------------------------------------
// CONNECTED!
// --------------------------------------------------------------------------
printf("Connected to %s with %d baud, 8 data bits, no parity, 1 stop bit (8N1)\n", uart_name, baudrate);
lastStatus.packet_rx_drop_count = 0;
status = true;
printf("\n");
return 0;
}
void Serial_Port::open_serial()
{
// --------------------------------------------------------------------------
// OPEN PORT
// --------------------------------------------------------------------------
printf("OPEN SERIAL PORT\n");
hComm = _open_port(LPportname);
if (hComm == INVALID_HANDLE_VALUE)
{
CloseHandle(hComm);
printf("Can not open serial port %s.\n",LPportname);
}
else
{
SetupComm(hComm,10000,10000);
PurgeComm(hComm, PURGE_RXCLEAR | PURGE_TXCLEAR | PURGE_RXABORT | PURGE_TXABORT); // before read or write serial£¬we should use PurgeComm() to clean the buffer
//PURGE_TXABORT break off all write operation and return immediately,even if the write operation has not finished
//PURGE_RXABORT break off all read operation and return immediately,even if the read operation has not finished
//PURGE_TXCLEAR clean the output buffer
//PURGE_RXCLEAR clean the input buffer
memset(&m_ov,0,sizeof(OVERLAPPED));
printf("Open comport success\n");
}
BOOL dcbSuccess = _setupdcb(baudrate);
if (!dcbSuccess)
printf("Could not configure serial port.\n");
else
printf("configure serial port success.\n");
BOOL timeoutSuccess = _setuptimeout(0,0,0,0,0);
if (!timeoutSuccess)
printf("Could not configure setuptimeout.\n");
else
printf("Configure setuptimeout success.\n");
if (dcbSuccess && timeoutSuccess)
{
printf("Connected to %s with %d baud, 8 data bits, no parity, 1 stop bit (8N1)\n", LPportname, baudrate);
system("pause");
lastStatus.packet_rx_drop_count = 0;
status = 1;
printf("\n");
}
return;
}
void open_serial()
{
printf("INITIALIZE \n");
initialize_defaults();
// --------------------------------------------------------------------------
// OPEN PORT
// --------------------------------------------------------------------------
printf("OPEN PORT\n");
fd = _open_port(uart_name);
// Check success
if (fd == -1)
{
printf("failure, could not open port.\n");
}
// --------------------------------------------------------------------------
// SETUP PORT
// --------------------------------------------------------------------------
int success = _setup_port(baudrate, 8, 1, 0,0);
// --------------------------------------------------------------------------
// CHECK STATUS
// --------------------------------------------------------------------------
if (!success)
{
printf("failure, could not configure port.\n");
}
if (fd <= 0)
{
printf("Connection attempt to port %s with %d baud, 8N1 failed, exiting.\n", uart_name, baudrate);
}
// --------------------------------------------------------------------------
// CONNECTED!
// --------------------------------------------------------------------------
printf("Connected to %s with %d baud, 8 data bits, no parity, 1 stop bit (8N1)\n", uart_name, baudrate);
lastStatus.packet_rx_drop_count = 0;
status = 1;
printf("\n");
return;
}