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2024-04-01 3724852a7dd499f54740cd682aa7cfe89aea384d

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package com.dev.dummyload.data; 
 
import java.nio.ByteBuffer; 
import java.nio.ByteOrder; 
 
import com.ComBase; 
import com.Crc16; 
 
public class DummyLoad_Cmd { 
public final int BYTE_LEN = 8; 
 
    public int SYNCode[] = {0xAA, 0xAA};    //ͬ²½Âë 
    private int ByteLength;                    //Êý¾Ý×ܳ¤¶È 
    public int TargetAddr;                    //Ä¿±êÉ豸µØÖ· 
    public int CMD;                            //²Ù×÷ÃüÁî×Ö½Ú 
    public int ResState;                    //½á¹û״̬[1-³É¹¦] 
     
    private int CRC; 
     
    public void DummyLoad_Cmd() 
    { 
    } 
     
    public void makeCmd(int TargetAddr, int CMD) 
    { 
        this.TargetAddr = TargetAddr; 
        this.CMD = CMD; 
    } 
     
    public boolean putByteBuffer(final ByteBuffer bf) 
    { 
        if(bf.limit() < BYTE_LEN) 
            return false; 
 
        ByteBuffer tmpbuf = bf; 
        int crc0 = tmpbuf.getShort(6) & 0xFFFF;  
        tmpbuf.putShort(6, (short)0); 
         
        int crc1 = Crc16.CalCRC16(tmpbuf, bf.limit()) & 0xFFFF; 
        if(crc0 != crc1) { 
            System.err.println("CRC error  "+crc0+"==="+crc1); 
            return false; 
        } 
        tmpbuf.position(0); 
         
        for(int i =0;i<SYNCode.length;i++) { 
            SYNCode[i] = ComBase.changeByteToInt(tmpbuf.get());            //ͬ²½Âë 
        } 
         
        ByteLength = ComBase.changeByteToInt(tmpbuf.get());                    //Êý¾Ý×ܳ¤¶È 
        TargetAddr = ComBase.changeByteToInt(tmpbuf.get());                    //Ä¿±êÉ豸µØÖ· 
        CMD = ComBase.changeByteToInt(tmpbuf.get());                        //²Ù×÷ÃüÁî×Ö½Ú 
        ResState = ComBase.changeByteToInt(tmpbuf.get());                    //½á¹û״̬[1-³É¹¦] 
         
        tmpbuf.compact(); 
        tmpbuf.flip(); 
         
        return true; 
    } 
     
     
    public ByteBuffer getControlByteBuffer() 
    { 
        ByteBuffer bytebuffer = ByteBuffer.allocate(2); 
        bytebuffer.order(ByteOrder.BIG_ENDIAN); 
         
        bytebuffer.putShort(ComBase.changeIntToShort(1)); 
         
        bytebuffer.flip(); 
        return bytebuffer; 
    } 
     
    public ByteBuffer makeByteBuffer(int value) 
    { 
        ByteBuffer bytebuffer = ByteBuffer.allocate(2); 
        bytebuffer.order(ByteOrder.BIG_ENDIAN); 
         
        bytebuffer.putShort(ComBase.changeIntToShort(value)); 
         
        bytebuffer.flip(); 
        return bytebuffer; 
    } 
    public ByteBuffer makeByteBuffer(float value) 
    { 
        ByteBuffer bytebuffer = ByteBuffer.allocate(2); 
        bytebuffer.order(ByteOrder.BIG_ENDIAN); 
         
        bytebuffer.putShort(ComBase.changeFloatToShortSigned(value)); 
         
        bytebuffer.flip(); 
        return bytebuffer; 
    } 
     
    public ByteBuffer makeFbs9100CommBuf(ByteBuffer dt_datatofbs9100) { 
        ByteBuffer bytebuffer = ByteBuffer.allocate(dt_datatofbs9100.limit()+BYTE_LEN); 
        bytebuffer.order(ByteOrder.BIG_ENDIAN);         
        bytebuffer.position(0); 
         
        for(int n = 0;n<SYNCode.length;n++) { 
            bytebuffer.put(ComBase.changeIntToByte(SYNCode[n])); 
        } 
         
        ByteLength = bytebuffer.capacity(); 
        bytebuffer.put(ComBase.changeIntToByte(ByteLength)); 
         
        bytebuffer.put(ComBase.changeIntToByte(TargetAddr) ); 
        bytebuffer.put(ComBase.changeIntToByte(CMD)); 
        bytebuffer.put(ComBase.changeIntToByte(ResState)); 
        bytebuffer.putShort(ComBase.changeIntToShort(CRC)); 
        bytebuffer.put(dt_datatofbs9100); 
             
         
        //¼ÆËãCRC 
        CRC = Crc16.CalCRC16(bytebuffer, ByteLength) & 0xFFFF; 
        bytebuffer.putShort(6,ComBase.changeIntToShort(CRC)); 
         
        bytebuffer.flip(); 
        return bytebuffer; 
    }  
     
     
}