public void BytesArrayRemoveLastTest( )
{
byte[] b1 = new byte[] { 0x13, 0xA6, 0x15, 0x85, 0x5B, 0x05, 0x12 };
byte[] b2 = new byte[] { 0x13, 0xA6, 0x15 };
byte[] buffer = SoftBasic.BytesArrayRemoveLast(b1, 4);
Assert.IsTrue(SoftBasic.IsTwoBytesEquel(b2, buffer));
}
public void BytesArrayRemoveLastExample( )
{
#region BytesArrayRemoveLast
byte[] b1 = new byte[] { 0x13, 0xA6, 0x15, 0x85, 0x5B, 0x05, 0x12 };
byte[] buffer = SoftBasic.BytesArrayRemoveLast(b1, 4);
// buffer 的值就是b1移除了后四个字节 new byte[] { 0x13, 0xA6, 0x15 };
#endregion
}
/// <summary>
/// 接收到串口数据的时候触发
/// </summary>
/// <param name="sender">串口对象</param>
/// <param name="e">消息</param>
private void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
var sp = (SerialPort)sender;
int rCount = 0;
byte[] buffer = new byte[1024];
byte[] receive = null;
while (true)
{
System.Threading.Thread.Sleep(20);
int count = sp.Read(buffer, rCount, sp.BytesToRead);
rCount += count;
if (count == 0)
{
break;
}
receive = new byte[rCount];
Array.Copy(buffer, 0, receive, 0, count);
}
if (receive == null)
{
return;
}
byte[] modbusCore = SoftBasic.BytesArrayRemoveLast(receive, 2);
byte[] SendData = null;
if (modbusCore[3] == 0x72)
{
// Read
SendData = ReadSerialByCommand(modbusCore);
RaiseDataReceived(SendData);
serialPort.Write(SendData, 0, SendData.Length);
}
else if (modbusCore[3] == 0x77)
{
// Write
SendData = WriteSerialByMessage(modbusCore);
RaiseDataReceived(SendData);
serialPort.Write(SendData, 0, SendData.Length);
}
else
{
serialPort.Close();
}
if (IsStarted)
{
RaiseDataSend(receive);
}
}
private void ProcessReceivedData(byte[] receive)
{
byte[] modbusCore = SoftBasic.BytesArrayRemoveLast(receive, 2);
lock (LockObject)
{
var bufferMsgReceiver = string.Empty;
if (receive == null || receive.Length < 1)
{
ResponseReceived = true;
}
else
{
bufferMsgReceiver = Encoding.UTF8.GetString(modbusCore, 0, modbusCore.Length);
byte[] copy = ReadFromModbusCore(modbusCore);
serialPort.Write(copy, 0, copy.Length);
if (IsStarted)
{
RaiseDataReceived(receive);
}
}
}
}
/// <summary>
/// 接收到串口数据的时候触发
/// </summary>
/// <param name="sender">串口对象</param>
/// <param name="e">消息</param>
private void SerialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
int rCount = 0;
byte[] buffer = new byte[1024];
byte[] receive = null;
while (true)
{
System.Threading.Thread.Sleep(20); // 此处做个微小的延时，等待数据接收完成
int count = serialPort.Read(buffer, rCount, serialPort.BytesToRead);
rCount += count;
if (count == 0)
{
break;
}
receive = new byte[rCount];
Array.Copy(buffer, 0, receive, 0, count);
}
if (receive == null)
{
return;
}
if (receive.Length < 3)
{
LogNet?.WriteError(ToString( ), $"Uknown Data：" + SoftBasic.ByteToHexString(receive, ' '));
return;
}
if (Serial.SoftCRC16.CheckCRC16(receive))
{
byte[] modbusCore = SoftBasic.BytesArrayRemoveLast(receive, 2);
if (!CheckModbusMessageLegal(modbusCore))
{
// 指令长度验证错误，关闭网络连接
LogNet?.WriteError(ToString( ), $"Receive Nosense Modbus-rtu : " + SoftBasic.ByteToHexString(receive, ' '));
return;
}
// 验证站号是否一致
if (station >= 0 && station != modbusCore[0])
{
LogNet?.WriteError(ToString( ), $"Station not match Modbus-rtu : " + SoftBasic.ByteToHexString(receive, ' '));
return;
}
// LogNet?.WriteError( ToString( ), $"Success：" + BasicFramework.SoftBasic.ByteToHexString( receive, ' ' ) );
// 需要回发消息
byte[] copy = ModbusInfo.PackCommandToRtu(ReadFromModbusCore(modbusCore));
serialPort.Write(copy, 0, copy.Length);
if (IsStarted)
{
RaiseDataReceived(receive);
}
}
else
{
LogNet?.WriteWarn("CRC Check Failed : " + SoftBasic.ByteToHexString(receive, ' '));
}
}