private void timer1_Tick(object sender, EventArgs e)
{
int target;
object report;
while (Reporter.GetReport(out target, out report))
{
switch (target)
{
case 1: //connected divices case 2: disconnect device case 3: log
{
lbDevices.Items.Add(report.ToString());
break;
}
case 2: //disconnect device
{
string devicename = report.ToString();
if (devicename.Length > 0)
{
foreach (string item in lbDevices.Items)
{
if (item.Contains(devicename))
{
lbDevices.Items.Remove(item);
if (selecteddevicename == devicename)
{
selecteddevicename = null;
commandtxtbox.Enabled = true;
}
break;
}
}
for (int i = 0; i < devicenames.Count; i++)
{
if (devicenames.ElementAt(i) == devicename)
{
devicenames.RemoveAt(i);
break;
}
}
}
break;
}
case 3: //remember devicename
{
string devicename = report as string;
for (int i = 0; i < devicenames.Count; i++)
{
if (devicenames.ElementAt(i) == devicename)
{
devicenames.RemoveAt(i);
break;
}
}
devicenames.Add(devicename);
break;
}
case 4: //log
{
lbLog.Items.Add(report.ToString());
break;
}
}
}
}
/// <summary>
/// Returns the state of the connection and tries to connect if possible
/// </summary>
/// <returns>True when the connection is valid;False when connection doesn't seem valid</returns>
public bool checkConnection()
{
if (TestConnection())
{
if (Program.MasterServer.Connected && !Connected)
{
int deviceID = 0;
int serverid = 0;
string servername = "";
if (HandShake(this.DeviceName, devicetype, ref deviceID, ref serverid, ref servername, Program.MasterServer.Server))
{
if (Send("{0,0,2," + serverid + "," + comID + "}"))
{
comID = deviceID;
handshaked = true;
Reporter.AddReport(4, "Handshake for '" + this.DeviceName + "' succeeded!");
isdisconnected = false;
return(true);
}
}
else
{
if (!isdisconnected)
{
isdisconnected = true;
Reporter.AddReport(4, "Handshake for '" + this.DeviceName + "' failed");
}
}
}
return(true);
}
else
{
if (Board != null)
{
LostConnection("Disconnected '" + this.DeviceName + "' from `" + this.ComPort + "`");
Board = null;
readTimer.Enabled = false;
}
}
//if no comport (length = 0) is given, select any comport that is available and not in use
if (TargetComPort == null || TargetComPort.Length == 0)
{
//loop each available comport and try to connect
foreach (string s in SerialPort.GetPortNames())
{
bool success = makeconnection(s, TargetBaudRate);
if (success == true)
{
break;
}
}
//NOTE: success will stay false when no comport is available or no good connnection can be made
}
else //A COMPORT is specified
{
//define SerialPort object
makeconnection(TargetComPort, TargetBaudRate);
}
if (Board == null)
{
Debug.WriteLine("ERROR: Could not establish connection.");
return(false);
}
else
{
return(true);
}
}