修改

whyclxw

2020-09-09 090321bdf647e53980c23f15b1f5979d4ad7be1f

 src/com/modbus/util/BaseData.java

@@ -10,6 +10,8 @@
public class BaseData {

   public static final int ReadByteCount = 12;

   

   public static final int SINGLEWRITE_BYTECOUNT = 6;

	
   public int transsend;            //发送事务标识符

   public int transreceive;         //接收事务标识符

   public int protocolident;         //协议标识符

@@ -64,7 +66,7 @@
      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.putShort(ComBase.changeIntToShort(4+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

@@ -125,6 +127,22 @@
      bf.flip();

      byte[] b = new byte[4];

      bf.get(b);

      System.out.println(ComFn.bytesToHexString(b, b.length)+value);

      return b;

   }

	
   /**

    * 构造写入多个寄存器数据

    * @param value

    * @return

    */

   public static byte[] createIntByte(int value) {

      ByteBuffer bf = ByteBuffer.allocate(2);

      bf.order(ByteOrder.BIG_ENDIAN);

      bf.putShort(ComBase.changeIntToShort(value));

      bf.flip();

      byte[] b = new byte[2];

      bf.get(b);

      return b;

   }