改成改单个寄存器

whyclj

2020-07-21 1fe34bd9cd779c67beece43b4016e2a0192157c9

 src/com/modbus/util/BaseData.java

@@ -4,6 +4,7 @@
import java.nio.ByteOrder;



import com.base.ComBase;

import com.base.ComFn;





public class BaseData {

@@ -54,6 +55,28 @@
   }

   

   /**

    *    构造单点写入数据

    * @param value

    * @return

    */

   public byte[] createSingleCollWiriteData(byte[] data) {

      ByteBuffer bf = ByteBuffer.allocate(ReadByteCount+regcount*2+1);

      bf.order(ByteOrder.BIG_ENDIAN);

      bf.putShort(ComBase.changeIntToShort(addrstart));      //接收标识          将寄存器起始地址放在标识中[2个字节]

      bf.putShort(ComBase.changeIntToShort(0x0000));         //协议标识符

      bf.putShort(ComBase.changeIntToShort(7+regcount*2));   //下面字节长度

      bf.put(ComBase.changeIntToByte(unitident));            //单元标识符(设备ID)

      bf.put(ComBase.changeIntToByte(funcode));            //功能码

      bf.putShort(ComBase.changeIntToShort(addrstart));      //寄存器起始地址

      bf.put(data);                                 //目标值

      bf.flip();

      byte[] databyte = new byte[bf.limit()];

      bf.get(databyte);

      return databyte;

   }

	
	
   /**

    *    构造多点写入数据

    * @param value

    * @return

@@ -71,7 +94,7 @@
      bf.put(ComBase.changeIntToByte(regcount*2));         //写字节数量

      bf.put(data);                                 //目标值

      bf.flip();

      byte[] databyte = new byte[ReadByteCount];

      byte[] databyte = new byte[bf.limit()];

      bf.get(databyte);

      return databyte;

   }