static void Main()
{
IPConnection ipcon = new IPConnection(); // Create IP connection
BrickletRS485 rs485 = new BrickletRS485(UID, ipcon); // Create device object
ipcon.Connect(HOST, PORT); // Connect to brickd
// Don't use device before ipcon is connected
// Enable full-duplex mode
rs485.SetRS485Configuration(115200, BrickletRS485.PARITY_NONE,
BrickletRS485.STOPBITS_1, BrickletRS485.WORDLENGTH_8,
BrickletRS485.DUPLEX_FULL);
// Register read callback to function ReadCB
rs485.ReadCallback += ReadCB;
// Enable read callback
rs485.EnableReadCallback();
// Write "test" string
rs485.Write("test".ToCharArray());
Console.WriteLine("Press enter to exit");
Console.ReadLine();
ipcon.Disconnect();
}
static void Main()
{
IPConnection ipcon = new IPConnection(); // Create IP connection
BrickletRS485 rs485 = new BrickletRS485(UID, ipcon); // Create device object
ipcon.Connect(HOST, PORT); // Connect to brickd
// Don't use device before ipcon is connected
// Set operating mode to Modbus RTU master
rs485.SetMode(BrickletRS485.MODE_MODBUS_MASTER_RTU);
// Modbus specific configuration:
// - slave address = 1 (unused in master mode)
// - master request timeout = 1000ms
rs485.SetModbusConfiguration(1, 1000);
// Register Modbus master write single register response callback to function
// ModbusMasterWriteSingleRegisterResponseCB
rs485.ModbusMasterWriteSingleRegisterResponseCallback += ModbusMasterWriteSingleRegisterResponseCB;
// Write 65535 to register 42 of slave 17
expectedRequestID = rs485.ModbusMasterWriteSingleRegister(17, 42, 65535);
Console.WriteLine("Press enter to exit");
Console.ReadLine();
ipcon.Disconnect();
}
// Callback function for Modbus master write single register response callback
static void ModbusMasterWriteSingleRegisterResponseCB(BrickletRS485 sender,
byte requestID,
short exceptionCode)
{
Console.WriteLine("Request ID: " + requestID);
Console.WriteLine("Exception Code: " + exceptionCode);
if (requestID != expectedRequestID)
{
Console.WriteLine("Error: Unexpected request ID");
}
}
private static string UID = "XYZ"; // Change XYZ to the UID of your RS485 Bricklet
// Callback function for Modbus slave write single register request callback
static void ModbusSlaveWriteSingleRegisterRequestCB(BrickletRS485 sender,
byte requestID,
long registerAddress,
int registerValue)
{
Console.WriteLine("Request ID: " + requestID);
Console.WriteLine("Register Address: " + registerAddress);
Console.WriteLine("Register Value: " + registerValue);
if (registerAddress != 42)
{
Console.WriteLine("Error: Invalid register address");
sender.ModbusSlaveReportException(requestID, BrickletRS485.EXCEPTION_CODE_ILLEGAL_DATA_ADDRESS);
}
else
{
sender.ModbusSlaveAnswerWriteSingleRegisterRequest(requestID);
}
}
static void Main()
{
IPConnection ipcon = new IPConnection(); // Create IP connection
BrickletRS485 rs485 = new BrickletRS485(UID, ipcon); // Create device object
ipcon.Connect(HOST, PORT); // Connect to brickd
// Don't use device before ipcon is connected
// Set operating mode to Modbus RTU slave
rs485.SetMode(BrickletRS485.MODE_MODBUS_SLAVE_RTU);
// Modbus specific configuration:
// - slave address = 17
// - master request timeout = 0ms (unused in slave mode)
rs485.SetModbusConfiguration(17, 0);
// Register Modbus slave write single register request callback to function
// ModbusSlaveWriteSingleRegisterRequestCB
rs485.ModbusSlaveWriteSingleRegisterRequestCallback += ModbusSlaveWriteSingleRegisterRequestCB;
Console.WriteLine("Press enter to exit");
Console.ReadLine();
ipcon.Disconnect();
}
private static string UID = "XYZ"; // Change XYZ to the UID of your RS485 Bricklet
// Callback function for read callback
static void ReadCB(BrickletRS485 sender, char[] message)
{
// Assume that the message consists of ASCII characters and
// convert it from an array of chars to a string
Console.WriteLine("Message: \"" + new string(message) + "\"");
}