private void EventTimer_Tick(object sender, EventArgs e)
{
try
{
while (server.PickEvent(ref ServerEvent))
{
if ((ServerEvent.EvtCode == S7Server.evcDataWrite) && // write event
(ServerEvent.EvtRetCode == 0) && // succesfully
(ServerEvent.EvtParam1 == S7Server.S7AreaDB)) // it's a DB
{
foreach (Control ctrl in tabs.Controls)
{
SingleController sc = (SingleController)ctrl.Controls[0];
sc.UpdatePlcCounter();
if (ServerEvent.EvtParam2 == sc.DbNumber) // right DB
{
sc.HandleDBEvent(ServerEvent);
break;
}
}
}
}
}
catch (Exception)
{
}
}
private void LogTimer_Tick(object sender, EventArgs e)
{
// For event logging this method (a timer and PickEvent) is better than
// the events callback used into the Server console demo.
// Here we are using the internal Server message queue without
// disturbing the client handshake.
while (Server.PickEvent(ref Event))
{
if (EventsLog.Lines.Count() > 256)
{
EventsLog.Clear();
}
EventsLog.AppendText(Server.EventText(ref Event) + "\n");
// Example of how use the parameters inside the event struct.
// Here we check if our DB were changed and, if yes, update the
// related textbox.
// if ((Event.EvtCode == S7Server.evcDataWrite) && // write event
// (Event.EvtRetCode == 0) && // succesfully
// (Event.EvtParam1 == S7Server.S7AreaDB)) // it's a DB
if ((Event.EvtCode == S7Server.evcDataWrite) && // write event
(Event.EvtRetCode == 0))
{
switch (Event.EvtParam2)
{
case 1: HexDump(DB1_Box, DB1, DB1.Length);
break;
case 2: HexDump(DB2_Box, DB2, DB2.Length);
break;
case 3: HexDump(DB3_Box, DB3, DB3.Length);
break;
}
}
}
}
static void Main(string[] args)
{
System.Console.Out.WriteLine("S7 Server starting up");
Event = new S7Server.USrvEvent();
Srv = new S7Server();
Srv.RegisterArea(S7Server.srvAreaDB, // We are registering a DB
1, // Its number is 1 (DB1)
DB1, // Our buffer for DB1
DB1.Length); // Its size
TheEventCallBack = new S7Server.TSrvCallback(EventCallback);
TheReadCallBack = new S7Server.TSrvCallback(ReadEventCallback);
Srv.SetEventsCallBack(TheEventCallBack, IntPtr.Zero);
Srv.SetReadEventsCallBack(TheReadCallBack, IntPtr.Zero);
Srv.EventMask = Srv.EventMask & 1; // Mask 00000000
Srv.EventMask = Srv.EventMask | S7Server.evcDataRead;
Srv.EventMask = Srv.EventMask | S7Server.evcDataWrite;
int Error = Srv.Start();
if (Error == 0)
{
Console.WriteLine("Press ESC to stop");
do
{
while (!Console.KeyAvailable)
{
while (Srv.PickEvent(ref Event))
{
Console.Out.WriteLine(Srv.EventText(ref Event));
}
}
} while (Console.ReadKey(true).Key != ConsoleKey.Escape);
Srv.Stop();
}
System.Console.Out.WriteLine("Enter any key to quit");
System.Console.ReadKey();
}