/// <summary>
/// Read Coils.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void ButtonCoilRead_Click(object sender, EventArgs e)
{
try
{
// Get the selected device address.
byte slaveAddr = GetDeviceAddress();
// If the register address text box is empty...
if (string.IsNullOrWhiteSpace(textBoxCoilAddressDecimal.Text))
{
// Convert from hex.
TextBoxCoilAddressHex_Leave(null, null);
}
// Get the selected register address.
ushort regAddr = GetRegisterAddress(textBoxCoilAddressDecimal.Text);
// Read the selected coil.
bool[] coils = _mbMaster.ReadCoils(slaveAddr, regAddr, 1);
// Show the value of the coil as true or false.
if (coils.Length != 0)
{
if (coils[0] == true)
{
radioButtonCoilFalse.Checked = false;
radioButtonCoilTrue.Checked = true;
}
else
{
radioButtonCoilTrue.Checked = false;
radioButtonCoilFalse.Checked = true;
}
}
// Update the status.
toolStripStatusLabel1.Text = "Coil Read Successfully";
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, ex.GetType().Name.ToString());
}
}
