private void buttonStart_Click(object sender, EventArgs e)
{
bool bRet;
if (m_bStart) // was started
{
panelPID.Enabled = false;
m_bStart = false; // starting flag
timer1.Enabled = false; // disable timer
adamModbus.Disconnect(); // disconnect slave
buttonStart.Text = "Start";
}
else // was stoped
{
if (adamModbus.Connect(m_szIP, ProtocolType.Tcp, m_iPort))
{
m_iCount = 0; // reset the reading counter
if (cbxLoop.SelectedIndex >= 0)
{
RefreshPIDValue();
}
else
{
// PID
m_loopBase = PID_Loop.Loop0;
bRet = (adamModbus.Pid().ModbusRefreshBuffer(PID_Loop.Loop0) && adamModbus.Pid().ModbusRefreshBuffer(PID_Loop.Loop1));
if (bRet)
{
m_pv1LblHigh[0] = adamModbus.Pid().GetBufferFloat(PID_Loop.Loop0, PID_Addr.Sv1HighLimit);
m_pv1LblHigh[1] = adamModbus.Pid().GetBufferFloat(PID_Loop.Loop1, PID_Addr.Sv1HighLimit);
m_pv1LblLow[0] = adamModbus.Pid().GetBufferFloat(PID_Loop.Loop0, PID_Addr.Sv1LowLimit);
m_pv1LblLow[1] = adamModbus.Pid().GetBufferFloat(PID_Loop.Loop1, PID_Addr.Sv1LowLimit);
m_pv2LblHigh[0] = adamModbus.Pid().GetBufferFloat(PID_Loop.Loop0, PID_Addr.Sv2HighLimit);
m_pv2LblHigh[1] = adamModbus.Pid().GetBufferFloat(PID_Loop.Loop1, PID_Addr.Sv2HighLimit);
m_pv2LblLow[0] = adamModbus.Pid().GetBufferFloat(PID_Loop.Loop0, PID_Addr.Sv2LowLimit);
m_pv2LblLow[1] = adamModbus.Pid().GetBufferFloat(PID_Loop.Loop1, PID_Addr.Sv2LowLimit);
RefreshPIDStatic();
}
else
{
MessageBox.Show("Failed to refresh data!", "Error");
return;
}
}
//
panelPID.Enabled = true;
timer1.Enabled = true; // enable timer
buttonStart.Text = "Stop";
m_bStart = true; // starting flag
}
else
{
MessageBox.Show("Connect to " + m_szIP + " failed", "Error");
}
}
}