/// <summary>
/// Update control time
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void CtrlTimer_Tick(object sender, EventArgs e)
{
if (GlbVars.tempReadTimer.Enabled)
{
TimeSpan ts = DateTime.Now - GlbVars.ctrlStartTime;
this.LblCtrlTimeShow.Invoke(new EventHandler(delegate
{
LblCtrlTimeShow.Text = String.Format("{0}:{1}:{2}", ts.Hours, ts.Minutes, ts.Seconds);
}));
}
else
{
this.LblCtrlTimeShow.Invoke(new EventHandler(delegate
{
LblCtrlTimeShow.Text = "N/A";
}));
}
float fluc = 0;
string flucString = "N/A";
if (GlbVars.GetFluc(GlbVars.tempFlucLen_10min, out fluc))
{
flucString = fluc.ToString("0.000");
}
else
{
flucString = "N/A";
}
this.LblFlucShow.Invoke(new EventHandler(delegate
{
LblFlucShow.Text = flucString;
}));
}
/// <summary>
/// Check if the fluctuation is in range
/// </summary>
/// <param name="count">Count used to calculate fluctuation</param>
/// <returns>If in range</returns>
public bool CheckFluc(out float temperature)
{
// Improve: Need remove all uart error judgement?
if (GlbVars.uartCom.ReadData(UartProtocol.Commands_t.TempShow, out temperature)
!= UartProtocol.Errors_t.NoError)
{
Exception e = new Exception(" Communication command is in error !!!");
throw e;
}
// Add temperature data into list
GlbVars.AddTemperature(temperature);
float fluctuation = 0;
// If there not enough temperature point to check fluctuation, consider it not in range
if (!GlbVars.GetFluc(checkCount, out fluctuation))
{
return(false);
}
// If temperature and fluctuation are both in range, return true
if (Math.Abs(temperature - this.tempSetCurrent) < GlbVars.paraValues[(int)GlbVars.Paras_t.TempThr] &&
fluctuation < GlbVars.paraValues[(int)GlbVars.Paras_t.FlucThr])
{
return(true);
}
return(false);
}
private void BntUpdate_Click(object sender, EventArgs e)
{
// Enter non-timer region to avoid uart conflict
GlbVars.EnterNoTimerRegion();
bool noError = true;
// Write old parameters to file
Data2File.Operation2File(true);
// Loop to check and update paramters
for (int i = 0; i < GlbVars.paraValues.Length; i++)
{
float newValue = float.Parse(TxtParas[i].Text);
// Update only when current value is different from previous one
// Use **abs(x-y) > margin** to compare two inequal float vars
if (Math.Abs(newValue - GlbVars.paraValues[i]) > 10e - 5)
{
// If update fluctuation and temperature threshold, just update the global variables
if (i == (int)GlbVars.Paras_t.FlucThr || i == (int)GlbVars.Paras_t.TempThr)
{
GlbVars.paraValues[i] = newValue;
Data2File.AddParaChanged(i);
continue;
}
// For other parameters, send cmd to MCU to update
if (GlbVars.uartCom.SendData((UartProtocol.Commands_t)i, newValue) != UartProtocol.Errors_t.NoError)
{
noError = false;
}
else
{
GlbVars.paraValues[i] = newValue;
Data2File.AddParaChanged(i);
}
}
}
if (noError)
{
MessageBox.Show("参数更新成功！");
}
else
{
MessageBox.Show("参数更新失败！");
}
// Write new paramters to file
Data2File.Operation2File(false);
// Exit non-timer region
GlbVars.ExitNoTimerRegion();
}
private void BntRead_Click(object sender, EventArgs e)
{
// Enter non-timer region to avoid uart conflict
GlbVars.EnterNoTimerRegion();
GlbVars.paraValues = readParas();
for (int i = 0; i < GlbVars.paraValues.Length; i++)
{
TxtParas[i].Text = GlbVars.paraValues[i].ToString(GlbVars.paraFormat[i]);
}
// Exit non-timer region
GlbVars.ExitNoTimerRegion();
}