private void connectButton_Click(object sender, EventArgs e)
{
short[] values = new short[16];
if (connectButton.Text == "Connect")
{
if (deviceBox.Text == "")
{
MessageBox.Show("Please select device com port");
}
else
{
if (mb.Open(deviceBox.Text, 9600, 8, Parity.None, StopBits.One))
{
Enable_Panel();
connectButton.Text = "Disconnect";
pleaseclickLabel.Text = "";
actionTextBox.Text += "TM-012P is connected\r\n";
pvLabel.ForeColor = Color.Turquoise;
outputLabel.ForeColor = Color.LightBlue;
cojLabel.ForeColor = Color.Turquoise;
_connected = true;
threadstart();
Verifyuser_config();
}
else
{
MessageBox.Show("Failed to connect device or device com port not availble", "Communication failed", MessageBoxButtons.OK);
}
}
}
else
{
//device_serialPort.Close();
if (mb.Close())
{
Disble_Panel();
_connected = false;
_mbisread = false;
//threadstart();
prodIDLabel.Text = "";
connectButton.Text = "Connect";
pleaseclickLabel.Text = "Please click connect....";
actionTextBox.Text += "TM-012P is disconnected\r\n";
swLabel.Text = "";
pvLabel.ForeColor = Color.DarkGray;
outputLabel.ForeColor = Color.DarkGray;
cojLabel.ForeColor = Color.DarkGray;
}
else
{
MessageBox.Show("Can not close communication, device might be unplugged", "Communication failed", MessageBoxButtons.OK);
}
}
}
public bool WriteRegister(ushort reg, short value)
{
modbus link = new modbus();
bool ret = link.Open(port, 9600, 8, Parity.None, StopBits.Two);
if (!ret)
{
throw EngineMessageException.offline(
"Opening port " + port + " failed: " + link.modbusStatus);
}
short[] val = { value };
Logger.log(
"Writing 0x" + value.ToString("x") +
" to register 0x" + reg.ToString("x") +
" to address 0x" + address.ToString("x"));
ret = link.SendFc16(address, reg, 1, val);
if (!ret)
{
throw new EngineMessageException(
"Writing 0x" + value.ToString("x") +
" to register 0x" + reg.ToString("x") + " failed: " + link.modbusStatus);
}
link.Close();
return(ret);
}
private string FetchValueFromPlc(WebSocketSession session, string e)
{
HashMap obj = JsonConvert.DeserializeObject <HashMap>(e);
int slaveMachineID = obj.GetValue <int>("SlaveID");
byte address = (byte)slaveMachineID;
ushort start = obj.GetValue <ushort>("start");
ushort registers = obj.GetValue <ushort>("registers");
short[] values = new short[registers];
int waitTime = obj.GetValue <int>("waitTime");
String subscribe = obj.GetValue <String>("SubscribeWay");
modbus.SubscribeWay = subscribe;
modbus.WaitTime = waitTime;
modbus md = new modbus();
md.SendFc3NewVersion(address, start, registers, ref values);
if (!String.IsNullOrEmpty(subscribe) && subscribe == "发送之后阻塞直到获取返回")
{
md.Close();
}
return(values.ToString());
}
/* para de pesquisar */
private void StopPoll()
{
isPolling = false;
timer.Stop();
mb.Close();
btnStart.Enabled = true;
lblStatus.Text = mb.modbusStatus;
Grava_Log(lblStatus.Text);
}
public short ReadRegister(ushort reg)
{
modbus link = new modbus();
link.Open(port, 9600, 8, Parity.None, StopBits.Two);
short[] val = new short[1];
bool ret = link.SendFc3(address, reg, 1, ref val);
if (!ret)
{
throw new EngineMessageException(
"Read from register 0x" + reg.ToString("x") + " failed: " + link.modbusStatus);
}
link.Close();
return(val[0]);
}