/*-----------------------------------------------------------------------------*/
void PopulateCOMSettings(HWND hDlg) {
char szBuffer[MAXLEN_TEMPSTR];
WORD wCount, wPosition;
// Fill baud combo box and make initial selection
FillComboBox(GetDlgItem(hDlg, IDC_BPS_COMBO),
szBaud, BaudTable,
sizeof(BaudTable) / sizeof(BaudTable[0]),
BAUDRATE(TTYInfo));
// Fill data bits combo box and make initial selection
for (wCount = 5; wCount < 9; wCount++) {
wsprintf(szBuffer, "%d", wCount);
wPosition = LOWORD(SendDlgItemMessage(hDlg,
IDC_DATABITS_COMBO, CB_ADDSTRING, 0, (LPARAM)(LPSTR)szBuffer));
if (wCount == BYTESIZE(TTYInfo)) {
SendDlgItemMessage(hDlg,
IDC_DATABITS_COMBO, CB_SETCURSEL, (WPARAM)wPosition, 0L);
}
}
// Fill parity combo box and make initial selection
FillComboBox(GetDlgItem(hDlg, IDC_PARITY_COMBO),
szParity, ParityTable,
sizeof(ParityTable) / sizeof(ParityTable[0]),
PARITY(TTYInfo));
// Fill stop bits combo box and make initial selection
FillComboBox(GetDlgItem(hDlg, IDC_STOPBITS_COMBO),
szStopBits, StopBitsTable,
sizeof(StopBitsTable) / sizeof(StopBitsTable[0]),
STOPBITS(TTYInfo));
}
/*-----------------------------------------------------------------------------*/
void UpdateTTYInfo(HWND hDlg) {
GetDlgItemText(hDlg, IDC_COMPORT_COMBO, gszPort, sizeof(gszPort));
BAUDRATE(TTYInfo) = GetdwTTYITem(hDlg, IDC_BPS_COMBO,
szBaud, BaudTable, sizeof(BaudTable) / sizeof(BaudTable[0]));
PARITY(TTYInfo) = GetbTTYITem(hDlg, IDC_PARITY_COMBO,
szParity, ParityTable, sizeof(ParityTable) / sizeof(ParityTable[0]));
STOPBITS(TTYInfo) = GetbTTYITem(hDlg, IDC_STOPBITS_COMBO,
szStopBits, StopBitsTable, sizeof(StopBitsTable) / sizeof(StopBitsTable[0]));
BYTESIZE(TTYInfo) = GetDlgItemInt(hDlg, IDC_DATABITS_COMBO, NULL, FALSE);
}
/*-----------------------------------------------------------------------------*/
void InitTTYInfo() {
// Initialize general TTY info
COMDEV(TTYInfo) = NULL;
CONNECTED(TTYInfo) = FALSE;
PORT(TTYInfo) = '0'; // setting to 0 since we know nothing about
// the current COM port configuration
BAUDRATE(TTYInfo) = CBR_9600;
BYTESIZE(TTYInfo) = 8;
PARITY(TTYInfo) = NOPARITY;
STOPBITS(TTYInfo) = ONESTOPBIT;
InitFont();
ClearTTYContents();
}
void GPSDATA::PASER_GPS::startGPS() {
if(conf.GPS_ENABLE == 0){
return;
}
bool error;
bool m_ReadingStarted = false;
// repeating reconnection if problems arise
do {
error = false;
try {
// create the serial device, note it takes the io service and the port name
m_Port = new serial_port(m_IO, conf.GPS_SERIAL_PORT);
// m_Port = new serial_port(m_IO, "/dev/ttyS2");
} catch (...) {
error = true;
PASER_LOG_WRITE_LOG(PASER_LOG_ERROR, "Problem wile trying to access port %s\n", conf.GPS_SERIAL_PORT.c_str());
boost::xtime xt;
boost::xtime_get(&xt, boost::TIME_UTC);
xt.nsec += 1000000000;
boost::thread::sleep(xt);
// after some time try to reconnect;
}
} while (error);
// prepare settings
serial_port_base::baud_rate BAUD(conf.GPS_SERIAL_SPEED); // what baud rate do we communicate at
// serial_port_base::baud_rate BAUD(4800); // what baud rate do we communicate at
serial_port_base::character_size CSIZE2(8); // how big is each "packet" of data (default is 8 bits)
serial_port_base::flow_control FLOW(serial_port_base::flow_control::none); // what flow control is used (default is none)
serial_port_base::parity PARITY(serial_port_base::parity::none); // what parity is used (default is none)
serial_port_base::stop_bits STOP(serial_port_base::stop_bits::one); // how many stop bits are used (default is one)
// go through and set all the options as we need them
// all of them are listed, but the default values work for most cases
m_Port->set_option(BAUD);
m_Port->set_option(CSIZE2);
m_Port->set_option(FLOW);
m_Port->set_option(PARITY);
m_Port->set_option(STOP);
if (!m_ReadingStarted) {
boost::thread t(boost::bind(&boost::asio::io_service::run, &m_IO));
boost::asio::async_read_until(*m_Port, b, '\n',
boost::bind(&GPSDATA::PASER_GPS::Handler, this, boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred));
m_ReadingStarted = true;
}
}
// Connects to, sets up and configures (if virgin) port.
void commConnect() {
DCB dcb;
HMENU hMenu;
// Make sure we're not connected
if (!CONNECTED(TTYInfo)) {
// Menu
hMenu = GetMenu(ghWndMain); // get the menu handle
EnableMenuItem(hMenu, ID_FILE_CONNECT, MF_GRAYED | MF_DISABLED); // disable the connect menu
EnableMenuItem(hMenu, ID_FILE_DISCONNECT, MF_ENABLED); // enable the disconnect menu
EnableMenuItem(hMenu, ID_EDIT_SETTINGS, MF_GRAYED | MF_DISABLED); // disable the TTY menu
COMDEV(TTYInfo) = CreateFile(gszPort, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL);
FillMemory(&dcb, sizeof(dcb), 0);
dcb.BaudRate = BAUDRATE(TTYInfo); // set the baud rate
dcb.ByteSize = BYTESIZE(TTYInfo); // set the data bits
dcb.fParity = PARITY(TTYInfo); // set the parity
dcb.StopBits = STOPBITS(TTYInfo); // set the stop bits
SetCommState(COMDEV(TTYInfo), &dcb); // update the COM port configuration
CONNECTED(TTYInfo) = TRUE; // we are now connected (hopefully)
}
// Start reading thread
TTYInfo.hThread = CreateThread(
NULL, // security attributes
0, // inital thread stack size, in bytes
commReadThread, // address of thread function
ghWndTerm, // argument for new thread
0, // creation flags
&TTYInfo.hThread
); // address of returned thread ID
TTYInfo.fConnected = TRUE;
}
