Example #1
0
 public void closeComPort()
 {
     if (Variables.COMPORTOPENED == true)
     {
         sp.Close();
         Variables.COMPORTOPENED = false;
         PortOK.Visible          = false;
         PortNOK.Visible         = true;
         PortNOK.Refresh();
     }
 }
Example #2
0
        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);
        }