public void GetAsciiBytesFromBytes()
{
byte[] buf = { 2, 5 };
byte[] expectedResult = { 48, 50, 48, 53 };
byte[] result = ModbusUtility.GetAsciiBytes(buf);
Assert.AreEqual(expectedResult, result);
}
public void GetAsciiBytesFromUshorts()
{
ushort[] buf = { 300, 400 };
byte[] expectedResult = { 48, 49, 50, 67, 48, 49, 57, 48 };
byte[] result = ModbusUtility.GetAsciiBytes(buf);
Assert.AreEqual(expectedResult, result);
}
internal override byte[] BuildMessageFrame(IModbusMessage message)
{
List <byte> frame = new List <byte>();
frame.Add((byte)':');
frame.AddRange(ModbusUtility.GetAsciiBytes(message.SlaveAddress));
frame.AddRange(ModbusUtility.GetAsciiBytes(message.ProtocolDataUnit));
frame.AddRange(ModbusUtility.GetAsciiBytes(ModbusUtility.CalculateLrc(message.MessageFrame)));
frame.AddRange(Encoding.ASCII.GetBytes(Environment.NewLine.ToCharArray()));
return(frame.ToArray());
}
public override byte[] BuildMessageFrame(IModbusMessage message)
{
var msgFrame = message.MessageFrame;
var msgFrameAscii = ModbusUtility.GetAsciiBytes(msgFrame);
var lrcAscii = ModbusUtility.GetAsciiBytes(ModbusUtility.CalculateLrc(msgFrame));
var nlAscii = Encoding.UTF8.GetBytes(Modbus.NewLine.ToCharArray());
var frame = new MemoryStream(1 + msgFrameAscii.Length + lrcAscii.Length + nlAscii.Length);
frame.WriteByte((byte)':');
frame.Write(msgFrameAscii, 0, msgFrameAscii.Length);
frame.Write(lrcAscii, 0, lrcAscii.Length);
frame.Write(nlAscii, 0, nlAscii.Length);
return(frame.ToArray());
}
public void GetAsciiBytesFromEmpty()
{
Assert.AreEqual(new byte[] { }, ModbusUtility.GetAsciiBytes(new byte[] { }));
Assert.AreEqual(new byte[] { }, ModbusUtility.GetAsciiBytes(new ushort[] { }));
}
