private void WriteLinearizationItems(List <LinearizationItem> lis)
{
FrmProcessing frm = new FrmProcessing();
Action action = delegate()
{
try
{
for (int i = 0; i < lis.Count; i += 2)
{
LinearizationItem[] items = new LinearizationItem[2] {
lis[i], lis[i + 1]
};
bool ret = HartDevice.WriteLinearizationItems(items, (byte)(i / 2));
frm.ShowProgress(string.Empty, (decimal)(i + 2) / lis.Count);
Thread.Sleep(100);
}
frm.ShowProgress(string.Empty, 1);
}
catch (ThreadAbortException)
{
}
catch (Exception)
{
}
};
Thread t = new Thread(new ThreadStart(action));
t.IsBackground = true;
t.Start();
if (frm.ShowDialog() != DialogResult.OK)
{
t.Abort();
}
}
private void ReadLinearizationItems()
{
FrmProcessing frm = new FrmProcessing();
Action a = delegate()
{
try
{
int maxAD = 70000;
if (HartDevice != null && HartDevice.IsConnected)
{
for (int i = 1; i <= 10; i++)
{
LinearizationItem li = null;
for (int j = 0; j < 4; j++) //由于有时会读不到数据,所以每组数据在读取失败时会重新偿试读三次
{
li = HartDevice.ReadLinearizationItem((byte)i);
if (li != null)
{
break;
}
Thread.Sleep(500);
}
if (li != null && li.SensorAD == maxAD)
{
break; //后面的都是无效的参数了,不用再继续获取
}
this.Invoke((Action)(() =>
{
(this.Controls["txtP" + i.ToString()] as TextBox).Text = li != null ? li.SensorValue.ToString() : null;
(this.Controls["txtAD" + i.ToString()] as TextBox).Text = li != null ? li.SensorAD.ToString() : null;
}));
frm.ShowProgress(string.Empty, (decimal)i / 10);
}
}
frm.ShowProgress(string.Empty, 1);
}
catch (ThreadAbortException)
{
}
catch (Exception)
{
}
};
Thread t = new Thread(new ThreadStart(a));
t.IsBackground = true;
t.Start();
if (frm.ShowDialog() != DialogResult.OK)
{
t.Abort();
}
}
private void btnWrite_Click(object sender, EventArgs e)
{
if (HartDevice == null || !HartDevice.IsConnected)
{
return;
}
List <LinearizationItem> lis = new List <LinearizationItem>();
for (int i = 1; i <= 10; i++)
{
string strP = (this.Controls["txtP" + i.ToString()] as TextBox).Text;
string strAD = (this.Controls["txtAD" + i.ToString()] as TextBox).Text;
float fp = 0;
float fAD = 0;
if (!string.IsNullOrEmpty(strP) && !string.IsNullOrEmpty(strAD))
{
if (float.TryParse(strP, out fp) && fp >= 0 && float.TryParse(strAD, out fAD) && fAD >= 0)
{
if (!(fp == 0 && fAD == 0)) //同时为零的点忽略掉
{
LinearizationItem li = new LinearizationItem()
{
SensorValue = fp, SensorAD = fAD
};
lis.Add(li);
}
}
}
}
if (lis.Count <= 1)
{
MessageBox.Show("至少要设置2个线性化点");
return;
}
LinearizationItem.FillHeaderAndTail(lis);
WriteLinearizationItems(lis);
}