//定时器刷新
private void timer_Tick_1(object sender, EventArgs e)
{
DeviceBll device = DeviceObj.GetDevice();
//通讯状态实在
if (device == null)
{
return;
}
if (device.Device.ComState == Model_Data.CommunicateEntity.DivCommStateEnum.Success) //通讯成功，则开始画图
{
lbComState.Text = Model_Data.Language.EaSolar.Connected; //2
lbComState.ForeColor = Color.Green;
btnPauseResume.Enabled = true;
TimeDrawLine();
}
else if (device.Device.ComState == Model_Data.CommunicateEntity.DivCommStateEnum.Failed)
{
lbComState.Text = Model_Data.Language.EaSolar.Disconnected;//3
btnPauseResume.Enabled = false;
lbComState.ForeColor = Color.Red;
}
else//通讯失败，突出显示
{
lbComState.Text = Model_Data.Language.EaSolar.UnConnect;//1
btnPauseResume.Enabled = false;
lbComState.ForeColor = Color.Gray;
}
}
//定时器刷新
private void timer_RTValue_Tick(object sender, EventArgs e)
{
DeviceBll device = DeviceObj.GetDevice();
DeviceModel dm = DeviceObj.GetDeviceModel();
if (device == null)
{
return;
}
//视图界面更新
UIOffGrid.SetParaMeter(device, dm);
}
private bool send(short address, byte[] data)
{
CommDeviceModbuseControlEntity command = new CommDeviceModbuseControlEntity();
command.DivID = DeviceObj.GetDevice().Device.UnitId;
command.functioncode = FunctionCode.WriteSingleRegister;
command.SetInfoStartAdr = address;
command.RegisterLen = 2;
command.SetData = data;
DeviceObj.GetWrapper().sendCommand(command);
return(command.IsSuccess);
}
// 初始化 信号 下拉框 只显示变化的数字量，过滤掉常量和字符量
private void LoadSignalNameCombobox()
{
cbSignalName.Properties.Items.Clear();
DeviceBll dbll = DeviceObj.GetDevice();
if (dbll == null)
{
return;
}
foreach (AnalogBll item in dbll.AnalogList)
{
if (item.AnalogInfo.AnalogReadFrequency != AnalogReadFrequency.EveryTime)
{
continue;
}
if (!item.AnalogInfo.SignalType.Contains("decimal") && item.AnalogInfo.SignalType != "long")
{
continue;
}
string SignalName = item.AnalogInfo.SignalName;
cbSignalName.Properties.Items.Add(SignalName);
}
cbSignalName.SelectedIndex = 0;
}
private void TimeDrawLine()
{
if (chartControl1.Series.Count < 1)
{
return;
}
//构建 表格，用于绑定
AnalogBll al = DeviceObj.GetDevice().AnalogList.Find(delegate(AnalogBll abll) { return(abll.AnalogInfo.SignalName == cbSignalName.Text ? true : false); });
object svalue = al.AnalogInfo.Value;
DateTime dtime = DateTime.Now;
//如果图中最后一个点 的时间 是最新一个点的时间，则直接返回
if (chartControl1.Series[0].Points.Count > 0)
{
if (PreTime != null)
{
if (PreTime == dtime)
{
return;
}
}
}
//否则，将最新点的时间 记录下来
PreTime = dtime;
DateTime argument = PreTime;
DateTime minDate = argument.AddSeconds(-TimeInterval);
//需要移除的点个数
int pointsToRemoveCount = 0;
//如果 某个点的时间小于坐标轴最小时间，则+1
foreach (SeriesPoint point in chartControl1.Series[0].Points)
{
if (point.DateTimeArgument < minDate)
{
pointsToRemoveCount++;
}
}
//如果 ........？
if (pointsToRemoveCount < chartControl1.Series[0].Points.Count)
{
pointsToRemoveCount--;
}
SeriesPoint pointsToUpdate = new SeriesPoint(argument, svalue);//Convert.ToDouble(String.Format("{0:F}", Dr[0]["信号值"]))
//将最新点 添加到显示序列
chartControl1.Series[0].Points.Add(pointsToUpdate);
if (pointsToRemoveCount > 0)
{
chartControl1.Series[0].Points.RemoveRange(0, pointsToRemoveCount);
}
SwiftPlotDiagram diagram = chartControl1.Diagram as SwiftPlotDiagram;
if (diagram != null && diagram.AxisX.DateTimeMeasureUnit == DateTimeMeasurementUnit.Millisecond)
{
diagram.AxisX.Range.SetMinMaxValues(minDate, argument);
}
diagram.EnableAxisYScrolling = true;
diagram.EnableAxisYZooming = true;
}