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();
}