public override void Run(CancellationToken token)
{
//create an UART port
using (var uart = new SerialPortEx())
{
//open the serial port
uart.PortName = HardwareModel.Instance.SerialPort;
uart.Open();
var prm = new SerialPortParams(
HardwareModel.Instance.SerialSettings,
false);
uart.SetParams(prm);
//create a server driver
var server = new ModbusServer(new ModbusRtuCodec());
server.Address = (byte)HardwareModel.Instance.Address;
while (token.IsCancellationRequested == false)
{
//wait for an incoming connection
var listener = uart.GetServer(server);
listener.ServeCommand += new ServeCommandHandler(ListenerServeCommand);
listener.Start();
while (listener.IsRunning)
{
if (token.IsCancellationRequested)
{
listener.Abort();
}
else
{
Thread.Sleep(1);
}
}
}
}
}
public static void Main()
{
//setup the board IP
NetworkInterface.GetAllNetworkInterfaces()[0]
.EnableStaticIP("192.168.0.99", "255.255.255.0", "192.168.0.1");
string localip = NetworkInterface.GetAllNetworkInterfaces()[0]
.IPAddress;
Debug.Print("The local IP address of your Netduino Plus is " + localip);
//define coils, inputs, and analogs
_inputs = new InputPort[8];
#if SLAVE_RTU
_inputs[0] = new InputPort(Pins.GPIO_PIN_D0, true, Port.ResistorMode.PullUp);
_inputs[1] = new InputPort(Pins.GPIO_PIN_D1, true, Port.ResistorMode.PullUp);
_inputs[2] = null;
_inputs[3] = null;
_inputs[4] = new InputPort(Pins.GPIO_PIN_D4, true, Port.ResistorMode.PullUp);
_inputs[5] = new InputPort(Pins.GPIO_PIN_D5, true, Port.ResistorMode.PullUp);
_inputs[6] = new InputPort(Pins.GPIO_PIN_D6, true, Port.ResistorMode.PullUp);
_inputs[7] = new InputPort(Pins.GPIO_PIN_D7, true, Port.ResistorMode.PullUp);
#else
_inputs[0] = new InputPort(Pins.GPIO_PIN_D0, true, Port.ResistorMode.PullUp);
_inputs[1] = new InputPort(Pins.GPIO_PIN_D1, true, Port.ResistorMode.PullUp);
_inputs[2] = new InputPort(Pins.GPIO_PIN_D2, true, Port.ResistorMode.PullUp);
_inputs[3] = new InputPort(Pins.GPIO_PIN_D3, true, Port.ResistorMode.PullUp);
_inputs[4] = new InputPort(Pins.GPIO_PIN_D4, true, Port.ResistorMode.PullUp);
_inputs[5] = new InputPort(Pins.GPIO_PIN_D5, true, Port.ResistorMode.PullUp);
_inputs[6] = new InputPort(Pins.GPIO_PIN_D6, true, Port.ResistorMode.PullUp);
_inputs[7] = new InputPort(Pins.GPIO_PIN_D7, true, Port.ResistorMode.PullUp);
#endif
_coils = new OutputPort[6];
_coils[0] = new OutputPort(Pins.GPIO_PIN_D8, false);
_coils[1] = new OutputPort(Pins.GPIO_PIN_D9, false);
_coils[2] = new OutputPort(Pins.GPIO_PIN_D10, false);
_coils[3] = new OutputPort(Pins.GPIO_PIN_D11, false);
_coils[4] = new OutputPort(Pins.GPIO_PIN_D12, false);
_coils[5] = new OutputPort(Pins.GPIO_PIN_D13, false);
#if MF_FRAMEWORK_VERSION_V4_1
_analogs = new AnalogInput[6];
_analogs[0] = new AnalogInput(Pins.GPIO_PIN_A0);
_analogs[1] = new AnalogInput(Pins.GPIO_PIN_A1);
_analogs[2] = new AnalogInput(Pins.GPIO_PIN_A2);
_analogs[3] = new AnalogInput(Pins.GPIO_PIN_A3);
_analogs[4] = new AnalogInput(Pins.GPIO_PIN_A4);
_analogs[5] = new AnalogInput(Pins.GPIO_PIN_A5);
#elif MF_FRAMEWORK_VERSION_V4_2
_analogs = new AnalogInput[6];
_analogs[0] = new AnalogInput(Cpu.AnalogChannel.ANALOG_0);
_analogs[1] = new AnalogInput(Cpu.AnalogChannel.ANALOG_1);
_analogs[2] = new AnalogInput(Cpu.AnalogChannel.ANALOG_2);
_analogs[3] = new AnalogInput(Cpu.AnalogChannel.ANALOG_3);
_analogs[4] = new AnalogInput(Cpu.AnalogChannel.ANALOG_4);
_analogs[5] = new AnalogInput(Cpu.AnalogChannel.ANALOG_5);
#endif
#if MASTER_TCP
//create a TCP socket
using (var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
//refine the socket settings
socket.SetSocketOption(
SocketOptionLevel.Tcp,
SocketOptionName.NoDelay,
true
);
socket.SendTimeout = 2000;
socket.ReceiveTimeout = 2000;
//try the connection against the remote device
var remoteip = new byte[4] {
192, 168, 0, 100
};
var ipaddr = new IPAddress(remoteip);
var ept = new IPEndPoint(ipaddr, 502);
socket.Connect(ept);
//create a wrapper around the socket
ICommClient portClient = socket.GetClient();
//create a client driver
var driver = new ModbusClient(new ModbusTcpCodec());
driver.Address = DeviceAddress;
while (true)
{
//compose the Modbus command to be submitted
var command = new ModbusCommand(ModbusCommand.FuncReadInputDiscretes);
command.Offset = 0;
command.Count = 6;
//execute the command synchronously
CommResponse result = driver
.ExecuteGeneric(portClient, command);
if (result.Status == CommResponse.Ack)
{
//command successfully
for (int i = 0; i < command.Count; i++)
{
_coils[i + command.Offset].Write(command.Data[i] != 0);
}
}
else
{
//some error
Debug.Print("Error=" + command.ExceptionCode);
}
//just a small delay
Thread.Sleep(100);
}
}
#endif
#if MASTER_UDP
//create a UDP socket
using (var socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp))
{
//try the connection against the remote device
var remoteip = new byte[4] {
192, 168, 0, 60
};
var ipaddr = new IPAddress(remoteip);
var ept = new IPEndPoint(ipaddr, 502);
socket.Connect(ept);
//create a wrapper around the socket
ICommClient portClient = socket.GetClient();
//create a client driver
var driver = new ModbusClient(new ModbusTcpCodec());
driver.Address = DeviceAddress;
while (true)
{
//compose the Modbus command to be submitted
var command = new ModbusCommand(ModbusCommand.FuncReadMultipleRegisters);
command.Offset = 0;
command.Count = 16;
//execute the command synchronously
CommResponse result = driver
.ExecuteGeneric(portClient, command);
if (result.Status == CommResponse.Ack)
{
//command successfully
Debug.Print("Success!");
for (int i = 0; i < command.Count; i++)
{
Debug.Print("Reg#" + i + "=" + command.Data[i]);
}
}
else
{
//some error
Debug.Print("Error=" + command.ExceptionCode);
}
//just a small delay
Thread.Sleep(1000);
}
}
#endif
#if MASTER_RTU
//create an UART port
using (var uart = new SerialPortEx("COM2", 38400, Parity.Even, 8, StopBits.One))
{
//open the serial port
uart.Open();
var prm = new SerialPortParams("38400,E,8,1");
//create a wrapper around the uart
ICommClient portClient = uart
.GetClient(prm);
//create a client driver
var driver = new ModbusClient(new ModbusRtuCodec());
driver.Address = DeviceAddress;
while (true)
{
//compose the Modbus command to be submitted
var command = new ModbusCommand(ModbusCommand.FuncWriteMultipleRegisters);
command.Offset = 49;
command.Count = 4;
//attach the Netduino's input values as data
command.Data = new ushort[4];
for (int i = 0; i < 4; i++)
{
command.Data[i] = (ushort)(_inputs[i].Read() ? 0 : 1);
}
//execute the command synchronously
CommResponse result = driver
.ExecuteGeneric(portClient, command);
if (result.Status == CommResponse.Ack)
{
//command successfully
}
else
{
//some error
Debug.Print("Error=" + command.ExceptionCode);
}
//just a small delay
Thread.Sleep(1000);
}
}
#endif
#if SLAVE_TCP
//create a TCP socket
using (var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
{
//place it as listener on the port 502 (standard Modbus)
var ept = new IPEndPoint(IPAddress.Any, 502);
socket.Bind(ept);
socket.Listen(10);
//create a server driver
var server = new ModbusServer(new ModbusTcpCodec());
server.Address = DeviceAddress;
while (true)
{
//wait for an incoming connection
var listener = socket.GetTcpListener(server);
listener.ServeCommand += new ServeCommandHandler(listener_ServeCommand);
listener.Start();
Thread.Sleep(1);
}
}
#endif
#if SLAVE_UDP
//create a UDP socket
using (var socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp))
{
//bind it to the port 502 (standard Modbus)
var ept = new IPEndPoint(IPAddress.Any, 502);
socket.Bind(ept);
//create a server driver
var server = new ModbusServer(new ModbusTcpCodec());
server.Address = DeviceAddress;
//listen for an incoming request
var listener = socket.GetUdpListener(server);
listener.ServeCommand += new ServeCommandHandler(listener_ServeCommand);
listener.Start();
Thread.Sleep(Timeout.Infinite);
}
#endif
#if SLAVE_RTU
//create an UART port
using (var uart = new SerialPortEx("COM2", 38400, Parity.Even, 8, StopBits.One))
{
//open the serial port
uart.Open();
//create a server driver
var server = new ModbusServer(new ModbusRtuCodec());
server.Address = DeviceAddress;
while (true)
{
//wait for an incoming connection
var listener = uart.GetServer(server);
listener.ServeCommand += new ServeCommandHandler(listener_ServeCommand);
listener.Start();
while (listener.IsRunning)
{
Thread.Sleep(1);
}
}
}
#endif
}