public PLC(CPU_Type cpu, string ip, Int16 rack, Int16 slot)
{
this.IP = ip;
this.CPU = cpu;
this.Rack = rack;
this.Slot = slot;
}
public PLC(CPU_Type cpu, string ip, Int16 rack, Int16 slot)
{
IP = ip;
CPU = cpu;
Rack = rack;
Slot = slot;
}
public PLC(CPU_Type cpu, string ip, Int16 rack, Int16 slot, string name, object tag)
{
IP = ip;
CPU = cpu;
Rack = rack;
Slot = slot;
Name = name;
Tag = tag;
}
private void btnConnection_Click(object sender, EventArgs e)
{
try
{
if (string.IsNullOrEmpty(txtIPaddress.Text))
{
throw new Exception("Xin vui lòng nhập địa chỉ IP");
}
int selectionIndex = cboxPLCs.SelectedIndex;
CPU_Type cpuType = CPU_Type.S7200;
string ipAddress = txtIPaddress.Text;
switch (selectionIndex)
{
case 0:
cpuType = CPU_Type.S7200;
break;
case 1:
cpuType = CPU_Type.S7300;
break;
case 2:
cpuType = CPU_Type.S7400;
break;
case 3:
cpuType = CPU_Type.S71200;
break;
default:
cboxPLCs.SelectedIndex = 3;
cpuType = CPU_Type.S71200;
break;
}
plc = new PLC(cpuType, ipAddress, (short)numericUpDownRack.Value, (short)numericUpDownSlot.Value);
if (!plc.IsAvailable)
{
throw new Exception("Không tìm thấy PLC cần kết nối!");
}
errCode = plc.Open();
if (errCode != ExceptionCode.ExceptionNo)
{
throw new Exception(plc.lastErrorString);
}
this.SetEnabledBotton(false);
//BackgroundWorker START
worker = new BackgroundWorker();
worker.WorkerSupportsCancellation = true;
worker.DoWork += new DoWorkEventHandler(worker_DoWork);
//worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(bw_RunWorkerCompleted);
//worker.DoWork += (obj, ea) => worker_DoWork();
worker.RunWorkerAsync();
}
catch (Exception ex)
{
MessageBox.Show(this, ex.Message, "Notification", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
