public static void ModBus_CreatStruct(ref MB ModBus, byte[] Buf)
{
int i = 0;
ModBus.Start = Buf[i++];
ModBus.TargetAddr = Buf[i++];
ModBus.HostAddr = Buf[i++];
ModBus.MsgFlag = Buf[i++];
ModBus.MsgNum = Buf[i++];
ModBus.MsgLength = Buf[i++];
ModBus.MsgLength <<= 8;
ModBus.MsgLength |= Buf[i++];
if (ModBus.MsgLength >= 3)
{
ModBus.DataFlag = Buf[i++];
ModBus.DataLength = Buf[i++];
ModBus.DataLength <<= 8;
ModBus.DataLength |= Buf[i++];
ModBus.Data = new byte[ModBus.DataLength];
try
{
for (int n = 0; n < ModBus.DataLength; n++)
{
ModBus.Data[n] = Buf[i++];
}
}
catch { }
}
ModBus.XorValue = Buf[i++];
ModBus.End = Buf[i++];
}
public static void ModBus_CreatBuf(ref MB ModBus, ref byte[] Buf)
{
int i = 0;
if (ModBus.Data == null)
{
ModBus.Data = new byte[ModBus.DataLength];
}
Buf[i++] = ModBus.Start;
Buf[i++] = ModBus.TargetAddr;
Buf[i++] = ModBus.HostAddr;
Buf[i++] = ModBus.MsgFlag;
Buf[i++] = ModBus.MsgNum;
Buf[i++] = (byte)(ModBus.MsgLength >> 8);
Buf[i++] = (byte)(ModBus.MsgLength & 0xff);
if (ModBus.MsgLength >= 3)
{
Buf[i++] = (byte)(ModBus.DataFlag);
Buf[i++] = (byte)(ModBus.DataLength >> 8);
Buf[i++] = (byte)(ModBus.DataLength & 0xff);
for (int n = 0; n < ModBus.DataLength; n++)
{
Buf[i++] = ModBus.Data[n];
}
}
ModBus.XorValue = Tools.Xor(Buf, i);
Buf[i++] = ModBus.XorValue;
Buf[i++] = EndFlag;
}
public static bool CheakXor(MB ModBuf)
{
byte[] Buf = new byte[100];
ModBus_CreatBuf(ref ModBuf, ref Buf);
byte XorValue = Tools.Xor(Buf, ModBuf.MsgLength + 7);
if (XorValue == ModBuf.XorValue)
{
return(true);
}
else
{
return(false);
}
}
private void GetBoxToStruct(ref MB TempMB)
{
TempMB.Start = ModBusClass.StartFlag;
TempMB.TargetAddr = Tools.StringToHex(textBox1.Text)[0];
TempMB.HostAddr = Tools.StringToHex(textBox2.Text)[0];
TempMB.MsgFlag = Tools.StringToHex(textBox3.Text)[0];
TempMB.MsgNum = Tools.StringToHex(textBox4.Text)[0];
TempMB.MsgLength = Tools.StringToHex(textBox5.Text)[0];
TempMB.MsgLength <<= 8;
TempMB.MsgLength |= Tools.StringToHex(textBox5.Text)[1];
if (TempMB.MsgLength >= 3)
{
TempMB.DataFlag = Tools.StringToHex(textBox6.Text)[0];
TempMB.DataLength = Tools.StringToHex(textBox7.Text)[0];
TempMB.DataLength <<= 8;
TempMB.DataLength |= Tools.StringToHex(textBox7.Text)[1];
TempMB.Data = Tools.StringToHex(textBox8.Text);
}
}
private void SetBoxFromStruct(MB TempMB)
{
textBox1.Text = TempMB.TargetAddr.ToString("X2");
textBox2.Text = TempMB.HostAddr.ToString("X2");
textBox3.Text = TempMB.MsgFlag.ToString("X2");
textBox4.Text = TempMB.MsgNum.ToString("X2");
textBox5.Text = TempMB.MsgLength.ToString("X4");
if (ModBus.MsgLength >= 3)
{
textBox6.Text = TempMB.DataFlag.ToString("X2");
textBox7.Text = TempMB.DataLength.ToString("X4");
textBox8.Text = Tools.HexToString(TempMB.Data);
}
else
{
textBox6.Text = null;
textBox7.Text = null;
textBox8.Text = null;
}
textBox9.Text = TempMB.XorValue.ToString("X2");
button3_Click(null, null);
button4_Click(null, null);
}
private float GetValue(byte OffSet)
{
MB TempMB = new MB();
byte[] Buf = new byte[100];
ModBus.TargetAddr = ModBusClass.TargetAddr;
ModBus.HostAddr = ModBusClass.HostAddr;
ModBus.MsgFlag = 0x13;
ModBus.MsgNum = 1;
ModBus.DataLength = 0;
ModBus.DataFlag = OffSet;
ModBus.MsgLength = ModBus.DataLength + 3;
ModBus.Data = Tools.StringToHex(textBox8.Text);
ModBusClass.ModBus_CreatBuf(ref ModBus, ref Buf);
SetBoxFromStruct(ModBus);
button3_Click(null, null);
button4_Click(null, null);
ModBusClass.ModBus_CreatStruct(ref TempMB, Tools.StringToHex(textBox11.Text));
float TempF = Tools.ByteToFloat(TempMB.Data, 0, 1);
byte[] Fbuf = new byte[4];
return(TempF);
}
