private void btWriteRegisters_Click(object sender, EventArgs e)
{
int result;
ushort[] dest = new ushort[2] {
0, 0
};
tBoxLog.AppendText("Résultat écriture registers : " + Environment.NewLine);
result = CommModbus.lib_modbus_read_registers(1, 14, 2, dest);
tBoxLog.AppendText(" Avant : " + Convert.ToString(result) + " => ");
for (int i = 0; i < 2; i++)
{
tBoxLog.AppendText(Convert.ToString(dest[i]) + " ");
}
tBoxLog.AppendText(Environment.NewLine);
dest[0] = 42;
dest[1] = 50;
result = CommModbus.lib_modbus_write_registers(1, 14, 2, dest);
result = CommModbus.lib_modbus_read_registers(1, 14, 2, dest);
tBoxLog.AppendText(" Après : " + Convert.ToString(result) + " => ");
for (int i = 0; i < 2; i++)
{
tBoxLog.AppendText(Convert.ToString(dest[i]) + " ");
}
tBoxLog.AppendText(Environment.NewLine);
Thread.Sleep(1000);
dest[0] = 0;
dest[1] = 255;
result = CommModbus.lib_modbus_write_registers(1, 14, 2, dest);
}
private void btReadHoldingRegisters_Click(object sender, EventArgs e)
{
int result;
ushort[] dest = new ushort[2] {
0, 0
};
result = CommModbus.lib_modbus_read_registers(1, 10, 2, dest);
tBoxLog.AppendText("Résultat lecture holding registers : " + Convert.ToString(result) + " => ");
for (int i = 0; i < 2; i++)
{
tBoxLog.AppendText(Convert.ToString(dest[i]) + " ");
}
tBoxLog.AppendText(Environment.NewLine);
}
private void btReadCoils_Click(object sender, EventArgs e)
{
int result;
byte[] dest = new byte[4] {
0, 0, 0, 0
};
result = CommModbus.lib_modbus_read_bits(1, 6, 4, dest);
tBoxLog.AppendText("Résultat lecture coils : " + Convert.ToString(result) + " => ");
for (int i = 0; i < 4; i++)
{
tBoxLog.AppendText(dest[i] == 1 ? "TRUE " : "FALSE ");
}
tBoxLog.AppendText(Environment.NewLine);
}
private void btConnect_Click(object sender, EventArgs e)
{
int result;
if (btConnect.Text == "Connexion")
{
result = CommModbus.lib_modbus_connect("127.0.0.1", 502);
tBoxLog.AppendText("Résultat connexion : " + Convert.ToString(result) + Environment.NewLine);
btConnect.Text = "Déconnexion";
}
else
{
result = CommModbus.lib_modbus_deconnect();
tBoxLog.AppendText("Résultat déconnexion : " + Convert.ToString(result) + Environment.NewLine);
btConnect.Text = "Connexion";
}
}
private void btWriteCoils_Click(object sender, EventArgs e)
{
int result;
byte[] dest = new byte[2] {
0, 0
};
tBoxLog.AppendText("Résultat écriture coils : " + Environment.NewLine);
result = CommModbus.lib_modbus_read_bits(1, 12, 2, dest);
tBoxLog.AppendText(" Avant : " + Convert.ToString(result) + " => ");
for (int i = 0; i < 2; i++)
{
tBoxLog.AppendText(dest[i] == 1 ? "TRUE " : "FALSE ");
}
tBoxLog.AppendText(Environment.NewLine);
dest[0] = 0;
dest[1] = 1;
result = CommModbus.lib_modbus_write_bits(1, 12, 2, dest);
result = CommModbus.lib_modbus_read_bits(1, 12, 2, dest);
tBoxLog.AppendText(" Après : " + Convert.ToString(result) + " => ");
for (int i = 0; i < 2; i++)
{
tBoxLog.AppendText(dest[i] == 1 ? "TRUE " : "FALSE ");
}
tBoxLog.AppendText(Environment.NewLine);
Thread.Sleep(1000);
dest[0] = 0;
dest[1] = 0;
result = CommModbus.lib_modbus_write_bits(1, 12, 2, dest);
}