private void button1_Click(object sender, EventArgs e)
{
if (cmbSensorCode.SelectedIndex < 0)
{
MessageBox.Show("没有选择传感器代码", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
if (cmbSensorMode.SelectedIndex < 0)
{
MessageBox.Show("没有选择工作模式", "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
bool ret = HartDevice.WritePVSensorMode((SensorMode)cmbSensorMode.SelectedIndex, (SensorCode)(cmbSensorCode.SelectedIndex + 2));
MessageBox.Show(ret ? "设置成功" : HartDevice.GetLastError(), "消息", MessageBoxButtons.OK, MessageBoxIcon.Information);
if (ret)
{
OutputInfo oi = HartDevice.ReadOutput();
lblRangeUnit.Text = oi != null?UnitCodeDescr.GetDescr(oi.PVUnitCode) : null;
txtPVLower.Text = oi != null?oi.LowerRangeValue.ToString() : null;
txtPVUpper.Text = oi != null?oi.UpperRangeValue.ToString() : null;
SensorInfo si = HartDevice.ReadPVSensor();
txtSensorLower.Text = si != null?si.LowerLimit.ToString() : null;
txtSensorUpper.Text = si != null?si.UpperLimit.ToString() : null;
lblUnit1.Text = si != null?UnitCodeDescr.GetDescr((UnitCode)si.UnitCode) : null;
}
}
public void ReadData()
{
try
{
button1.Enabled = HartDevice != null && HartDevice.IsConnected;
button3.Enabled = HartDevice != null && HartDevice.IsConnected;
if (HartDevice != null && HartDevice.IsConnected)
{
OutputInfo oi = HartDevice.ReadOutput();
lblRangeUnit.Text = oi != null?UnitCodeDescr.GetDescr(oi.PVUnitCode) : null;
txtPVLower.Text = oi != null?oi.LowerRangeValue.ToString() : null;
txtPVUpper.Text = oi != null?oi.UpperRangeValue.ToString() : null;
SensorInfo si = HartDevice.ReadPVSensor();
txtSensorLower.Text = si != null?si.LowerLimit.ToString() : null;
txtSensorUpper.Text = si != null?si.UpperLimit.ToString() : null;
lblUnit1.Text = si != null?UnitCodeDescr.GetDescr((UnitCode)si.UnitCode) : null;
SensorMode?sm = HartDevice.ReadSensorMode();
SensorCode?sc = HartDevice.ReadSensorCode();
cmbSensorMode.SelectedIndex = sm != null ? (int)sm.Value : -1;
cmbSensorCode.SelectedIndex = sc != null ? (int)sc.Value - 2 : -1;
}
}
catch (Exception)
{
}
}
private void ReadPV_Thread()
{
try
{
while (_Running)
{
if (HartDevice == null || !HartDevice.IsConnected)
{
this.Invoke((Action)(() => { btnRealTime.Text = "实时采集"; }));
_ReadPV = null;
return;
}
DeviceVariable pv = HartDevice.ReadPV(false);
CurrentInfo ci = HartDevice.ReadCurrent(false);
Action a = delegate()
{
if (pv != null)
{
lblPVUnit.Text = pv != null?UnitCodeDescr.GetDescr(pv.UnitCode) : null;
txtPV.Text = pv != null?pv.Value.ToString() : string.Empty;
}
if (ci != null)
{
txtCurrent.Text = ci != null?ci.Current.ToString() : string.Empty;
txtPercentOfRange.Text = ci != null?ci.PercentOfRange.ToString() : string.Empty;
}
};
this.Invoke(a);
}
}
catch (ThreadAbortException)
{
}
catch (Exception)
{
}
finally
{
_ReadPV = null;
}
}
