public void closeComPort()
{
if (Variables.COMPORTOPENED == true)
{
sp.Close();
Variables.COMPORTOPENED = false;
PortOK.Visible = false;
PortNOK.Visible = true;
PortNOK.Refresh();
}
}
public bool initComPort()
{
sp = new SerialPort(Variables.NUMPORT);
bool porterror = false; // false = no error, true = error
try
{
sp.Open();
}
catch (Exception ex)
{
stateDisplay.Text = "Cannot open port, exception " + ex.Message.ToString();
porterror = true;
}
//finally {
if (porterror == false)
{
Variables.COMPORTOPENED = true;
PortOK.Visible = true;
PortNOK.Visible = false;
PortOK.Refresh();
stateDisplay.Refresh();
}
else
{
Variables.COMPORTOPENED = false;
PortOK.Visible = false;
PortNOK.Visible = true;
PortNOK.Refresh();
}
// Initialise I2C SCL and SDA lines.
i2c_scl(true); // SCL
i2c_sda(true); // SDA
return(Variables.COMPORTOPENED);
}