// Background reading
private void ThreadWork()
{
while (run)
{
foreach (DataGridViewRow row in dataGridView1.Rows)
{
if (row.Cells["address"].Value != null && row.Cells["IsValid"].Value.ToString() == "1")
{
// Read row
string idrow = row.Cells["idrow"].Value.ToString();
string addr = row.Cells["address"].Value.ToString();
string format = row.Cells["format"].Value.ToString();
string GraphName = addr;
// Raw byte from PLC
byte[] resbyte = _plc.GetValue(addr);
// Formated user output
string resvalue = "";
// Read in format
switch (format.ToUpper())
{
case "BOOL":
resvalue = _plc.GetBooltS(resbyte);
break;
case "DEC":
resvalue = _plc.GetDecS(resbyte);
break;
case "BIN":
resvalue = _plc.GetBinS(resbyte);
break;
case "FLOAT":
resvalue = _plc.GetFloatS(resbyte);
break;
case "CHAR":
resvalue = _plc.GetCharS(resbyte);
break;
default:
resvalue = "Data type error";
break;
}
// Update datagridview
SendResult dResult = new SendResult(ShowResult);
this.Invoke(dResult, idrow, resvalue);
if (Convert.ToBoolean(row.Cells["check"].Value))
{
// Insert into chart
if (format.ToUpper() != "BIN" & format.ToUpper() != "CHAR")
{
PlotResult dPlot = new PlotResult(InsertPlotPoint);
this.Invoke(dPlot, GraphName, resvalue, format.ToUpper());
}
}
}
}
Thread.Sleep(100);
// Update chart
UpdateChart dupdate = new UpdateChart(UpdateChartPoints);
this.Invoke(dupdate);
}
}
