public void TestGetCounter(ushort value, int expected)
{
S7.GetCounter(value).ShouldBe(expected);
}
// Thread to Process PLC Read Queue
static void ProcessPLC(S7PLC plc)
{
do
{
try
{
System.Threading.Thread.Sleep(5000);
S7Client client = new S7Client();
client.SetConnectionType(System.Convert.ToUInt16(plc.connection_type));
client.SetConnectionParams(plc.ip, System.Convert.ToUInt16(plc.local_tsap), System.Convert.ToUInt16(plc.remote_tsap));
Console.WriteLine("Try to connect " + plc.server_name);
int res = client.Connect();
if (res != 0 || client.Connected == false)
{
continue;
}
Console.WriteLine("Connected " + plc.server_name + " IP:" + plc.ip);
S7Client.S7CpuInfo Info = new S7Client.S7CpuInfo();
res = client.GetCpuInfo(ref Info);
if (res == 0)
{
Console.WriteLine(plc.server_name + " Module Type Name : " + Info.ModuleTypeName);
Console.WriteLine(plc.server_name + " Serial Number : " + Info.SerialNumber);
Console.WriteLine(plc.server_name + " AS Name : " + Info.ASName);
Console.WriteLine(plc.server_name + " Module Name : " + Info.ModuleName);
}
;
System.Threading.Thread.Sleep(1000);
while (client.Connected)
{
foreach (S7RW read in plc.reads)
{
CheckCommand(client, plc);
byte[] Buffer = new byte[1024];
int BytesRead = 0;
res = client.ReadArea(
System.Convert.ToInt32(read.data_area),
System.Convert.ToInt32(read.db),
System.Convert.ToInt32(read.offset),
System.Convert.ToInt32(read.amount),
System.Convert.ToInt32(StringToWordLengthCode(read.data_type)),
Buffer,
ref BytesRead);
if (res == 0)
{
// HexDump(Buffer, BytesRead);
for (int i = 0; i < read.amount; i++)
{
int bytecnt;
double value = 0;
switch (read.data_type)
{
case "BIT":
bytecnt = i / 8;
value = System.Convert.ToDouble(S7.GetBitAt(Buffer, bytecnt, i % 8));
break;
case "BYTE":
bytecnt = i;
value = S7.GetByteAt(Buffer, bytecnt);
break;
case "CHAR":
bytecnt = i;
value = S7.GetByteAt(Buffer, bytecnt);
break;
case "WORD":
bytecnt = i * 2;
value = S7.GetWordAt(Buffer, bytecnt);
break;
case "DWORD":
bytecnt = i * 4;
value = S7.GetDWordAt(Buffer, bytecnt);
break;
case "INT":
bytecnt = i * 2;
value = S7.GetIntAt(Buffer, bytecnt);
break;
case "DINT":
bytecnt = i * 4;
value = S7.GetDIntAt(Buffer, bytecnt);
break;
case "REAL":
bytecnt = i * 4;
value = S7.GetRealAt(Buffer, bytecnt);
break;
case "COUNTER":
bytecnt = i * 2;
value = S7.GetCounter((ushort)((Buffer[bytecnt + 1] << 8) + (Buffer[bytecnt])));
break;
case "TIMER":
bytecnt = i * 2;
value = (ushort)((Buffer[bytecnt + 1] << 8) + (Buffer[bytecnt]));
break;
default:
Console.WriteLine("Unsupported data type: " + read.data_type);
break;
}
SendUdp(Encoding.ASCII.GetBytes(
"[{\"point_key\":" + (read.point_number + i) +
",\"value\":" + value +
",\"failed\":false" +
"}]"));
if (logread)
{
Console.WriteLine(plc.server_name + " " + read.name + " OSHMI_POINT_NUMBER=" + (read.point_number + i) + " VALUE=" + value + " " + read.data_type);
}
}
}
else
{
Console.WriteLine(plc.server_name + " Error " + read.name);
}
System.Threading.Thread.Sleep(System.Convert.ToInt32(read.delay_ms));
}
}
// client.Disconnect();
Console.WriteLine("Disconnected " + plc.server_name);
}
catch (Exception e)
{
// EXCEPTION HANDLER
Console.WriteLine("Exception " + plc.server_name);
Console.WriteLine(e);
}
System.Threading.Thread.Sleep(10000);
} while (true);
}
