private void timer1_Tick(object sender, System.EventArgs e)
{
int iIdx;
int[] iData;
bool[] bData;
if (m_bRegister) // Read registers (4X references)
{
// read register (4X) data from slave
if (adamCom.Modbus(m_iAddr).ReadHoldingRegs(m_iStart, m_iLength, out iData))
{
m_iCount++; // increment the reading counter
txtStatus.Text = "Read registers " + m_iCount.ToString() + " times...";
// update ListView
for (iIdx = 0; iIdx < m_iLength; iIdx++)
{
listViewModbusCur.Items[iIdx].SubItems[2].Text = iData[iIdx].ToString(); // show value in decimal
listViewModbusCur.Items[iIdx].SubItems[3].Text = iData[iIdx].ToString("X04"); // show value in hexdecimal
}
}
else
{
txtStatus.Text = "Read registers failed!"; // show error message in "txtStatus"
}
}
else
{
// read coil (0X) data from slave
if (adamCom.Modbus(m_iAddr).ReadCoilStatus(m_iStart, m_iLength, out bData))
{
m_iCount++; // increment the reading counter
txtStatus.Text = "Read coil " + m_iCount.ToString() + " times...";
// update ListView
for (iIdx = 0; iIdx < m_iLength; iIdx++)
{
listViewModbusCur.Items[iIdx].SubItems[2].Text = bData[iIdx].ToString(); // show value
}
}
else
{
txtStatus.Text = "Read coil failed!"; // show error message in "txtStatus"
}
}
}