private void button1_Click(object sender, EventArgs e)
{
serialPort = new SerialPort("COM12", 115200, Parity.None, 8, StopBits.One);
serialPort.ReadTimeout = 1000;
serialPort.Open();
try
{
Send("p " + (Kp.Value / 1000.0).ToString());
Send("i " + (Ki.Value / 1000.0).ToString());
Send("d " + (Kd.Value / 1000.0).ToString());
Send("s " + Setpoint.Value.ToString());
Send("l 500");
Send("g");
string s_Kp = serialPort.ReadLine();
string s_Ki = serialPort.ReadLine();
string s_Kd = serialPort.ReadLine();
string s_SetPoint = serialPort.ReadLine();
string loops = serialPort.ReadLine();
DataBlock db = new DataBlock();
db.m_channels = 2;
db.m_samplesPerChannel = 500;
db.Alloc();
for (int i = 0; i < 500; i++)
{
string str = serialPort.ReadLine();
string[] ss = str.Split(' ');
int val1;
int val2;
int.TryParse(ss[0], out val1);
int.TryParse(ss[1], out val2);
if (val1 < 0)
val1 = 0;
db.SetVoltage(0, i, (int)(val1 * 128 / Setpoint.Value));
db.SetVoltage(1, i, (int)((val2 / 2) + 128));
}
db.m_sampleRate = 25;
db.m_channels = 2;
db.m_dataType = DataBlock.DATA_TYPE.ANALOG;
graphControl1.SetScopeData(db);
}
catch
{
graphControl1.SetScopeData(null);
}
serialPort.Close();
}
