public byte[] ReadCoilStatus(byte slaveAddress, string startAddress, ushort nuMBErOfPoints)
{
var frame = ReadCoilStatusMessage(slaveAddress, startAddress, nuMBErOfPoints);
SerialAdaper.Write(frame, 0, frame.Length);
Thread.Sleep(DELAY);
var buffReceiver = SerialAdaper.Read();
if (buffReceiver.Length == 5)
{
ModbusExcetion(buffReceiver);
}
var data = new byte[buffReceiver.Length - 5];
Array.Copy(buffReceiver, 3, data, 0, data.Length);
return(Bit.ToByteArray(Bit.ToArray(data)));
}
public void GivenConnectedPortRef_AndBytes_AndOffset_AndCount_WhenWrite_ThenBytesWrittenToPort_AndTrueReturned()
{
// Arrange
var config = new PrinterConfigurationModel()
{
Port = "com9",
BaudRate = 1001
};
Action <SerialPortAdapterRef, string> callback = delegate(SerialPortAdapterRef portRef, string data)
{
};
var sut = new SerialPortAdapter <TestableSerialPort>();
var portRef = sut.Connect(
config,
callback);
var port = (TestableSerialPort)sut.GetSerialPort(portRef);
var expectedData = Encoding.ASCII.GetBytes("Hello World");
int expectedOffset = 0;
int expectedCount = expectedData.Length;
var actualData = default(byte[]);
var actualOffset = 0;
var actualCount = 0;
port.WriteCallback = delegate(byte[] data, int offset, int count)
{
actualData = data;
actualOffset = offset;
actualCount = count;
};
// Act
var result = sut.Write(
portRef,
expectedData,
expectedOffset,
expectedCount);
// Assert
Assert.True(result);
Assert.Equal(expectedData, actualData);
Assert.Equal(expectedOffset, actualOffset);
Assert.Equal(expectedCount, actualCount);
}
public void GivenUnknownPortRef_AndBytes_AndOffset_AndCount_WhenWrite_ThenFalseReturned()
{
// Arrange
var config = new PrinterConfigurationModel()
{
Port = "com9",
BaudRate = 1001
};
Action <SerialPortAdapterRef, string> callback = delegate(SerialPortAdapterRef portRef, string data)
{
};
var sut = new SerialPortAdapter <TestableSerialPort>();
// Act
var result = sut.Write(
new SerialPortAdapterRef(null, null),
null,
0,
0);
// Assert
Assert.False(result);
}