private void button1_Click(object sender, EventArgs e)
{
try {
if (!COM1.IsOpen)
{
COM1.Close();
COM1.PortName = "COM3";
COM1.BaudRate = 115200;
COM1.DataBits = 8;
COM1.Parity = System.IO.Ports.Parity.None;
COM1.StopBits = System.IO.Ports.StopBits.One;
COM1.Open();
}
m_mbMaster = ModbusSerialMaster.CreateRtu(COM1);
ushort[] rBuf = { 200 };
m_mbMaster.WriteMultipleRegisters(m_slaveAddr, 1, rBuf);
System.Threading.Thread.Sleep(200);
ushort[] tBuf = m_mbMaster.ReadHoldingRegisters(m_slaveAddr, 0x00, 104);
int t = 5;
t++;
}
catch (Exception ex)
{
this.Text = (string.IsNullOrEmpty(ex.Message)) ? "Form1" : ("Form1... Error: " + ex.Message);
}
}
private void Form1_FormClosed(object sender, FormClosedEventArgs e)
{
if (COM1.IsOpen)
{
COM1.Close();
}
}
//关闭seriel通信//
private void button3_Click(object sender, EventArgs e)
{
if (COM1.IsOpen)
{
COM1.Close();
progressBar1.Value = 0;
}
}
