bool raw_serial::open(const char * portname, _u32 baudrate, _u32 flags)
{
if (isOpened()) close();
_serial_handle = CreateFile(
portname,
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
NULL
);
if (_serial_handle == INVALID_HANDLE_VALUE) return false;
if (!SetupComm(_serial_handle, SERIAL_RX_BUFFER_SIZE, SERIAL_TX_BUFFER_SIZE))
{
close();
return false;
}
_dcb.BaudRate = baudrate;
_dcb.ByteSize = 8;
_dcb.Parity = NOPARITY;
_dcb.StopBits = ONESTOPBIT;
_dcb.fDtrControl = DTR_CONTROL_ENABLE;
if (!SetCommState(_serial_handle, &_dcb))
{
close();
return false;
}
if (!SetCommTimeouts(_serial_handle, &_co))
{
close();
return false;
}
if (!SetCommMask(_serial_handle, EV_RXCHAR | EV_ERR ))
{
close();
return false;
}
if (!PurgeComm(_serial_handle, PURGE_TXABORT | PURGE_RXABORT | PURGE_TXCLEAR | PURGE_RXCLEAR ))
{
close();
return false;
}
Sleep(30);
_is_serial_opened = true;
//Clear the DTR bit set DTR=high
clearDTR();
return true;
}
void plugin_close_rig( void )
{
if( port ) {
clearDTR( port );
close(port);
}
port = 0;
#ifdef DEBUG
fprintf(stderr,"ICR10: close rig succeed.\n");
#endif
}
bool raw_serial::open(const char * portname, uint32_t baudrate, uint32_t flags)
{
if (isOpened()) close();
serial_fd = ::open(portname, O_RDWR | O_NOCTTY | O_NDELAY);
if (serial_fd == -1) return false;
struct termios options, oldopt;
tcgetattr(serial_fd, &oldopt);
bzero(&options,sizeof(struct termios));
_u32 termbaud = getTermBaudBitmap(baudrate);
if (termbaud == (_u32)-1) {
close();
return false;
}
cfsetispeed(&options, termbaud);
cfsetospeed(&options, termbaud);
// enable rx and tx
options.c_cflag |= (CLOCAL | CREAD);
options.c_cflag &= ~PARENB; //no checkbit
options.c_cflag &= ~CSTOPB; //1bit stop bit
options.c_cflag &= ~CSIZE;
options.c_cflag |= CS8; /* Select 8 data bits */
#ifdef CNEW_RTSCTS
options.c_cflag &= ~CNEW_RTSCTS; // no hw flow control
#endif
options.c_iflag &= ~(IXON | IXOFF | IXANY); // no sw flow control
// raw input mode
options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
// raw output mode
options.c_oflag &= ~OPOST;
tcflush(serial_fd,TCIFLUSH);
/*
if (fcntl(serial_fd, F_SETFL, FNDELAY))
{
close();
return false;
}
*/
if (tcsetattr(serial_fd, TCSANOW, &options))
{
close();
return false;
}
_is_serial_opened = true;
//Clear the DTR bit to let the motor spin
clearDTR();
return true;
}
