第一次修改

whyclj

2020-12-30 e1d384a139a468e7a88a71dd2c9539ee835d9f8c

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package com.dev.fbs9100; 
 
import java.nio.ByteBuffer; 
import java.nio.ByteOrder; 
import java.util.Random; 
 
import com.aes.Ecb_Aes; 
 
public class FBS9100_ComBuf  
{ 
    public final static int FBS9100_AES_BUF_CNT = Ecb_Aes.AES_BLOCK_SIZE; 
     
    FBS9100_Cmd m_CMD = new FBS9100_Cmd(); 
     
    public FBS9100_Cmd getFbsCmd() 
    { 
        return m_CMD; 
    } 
     
    public boolean putByteBuffer(final ByteBuffer bf) 
    { 
        if(false == m_CMD.putByteBuffer(bf)) 
            return false; 
         
        return true; 
    } 
     
    public static ByteBuffer makeFbs9100CommBuf(int addr, int cmd, ByteBuffer bf) 
    { 
        FBS9100_Cmd m_CMD = new FBS9100_Cmd(); 
        ByteBuffer buffer = ByteBuffer.allocate(1024/*m_CMD.BYTE_LEN + bf.limit()*/); 
        buffer.order(ByteOrder.LITTLE_ENDIAN);            //ÉèÖÃByteBufferµÄ×Ö½ÚÐò 
         
        m_CMD.makeCmd(addr, cmd, bf.limit()); 
        buffer.put(m_CMD.getByteBuffer()); 
        buffer.put(bf); 
         
        Random rd = new Random(); 
        if(0 == (buffer.position()%FBS9100_AES_BUF_CNT)) { 
            for(int n=0; n<(FBS9100_AES_BUF_CNT/4); n++) { 
                buffer.putInt(rd.nextInt()); 
            } 
        } else { 
            int cnt = FBS9100_AES_BUF_CNT - (buffer.position()%FBS9100_AES_BUF_CNT); 
            for(int n=0; n<cnt; n++) { 
                buffer.put((byte) rd.nextInt()); 
            } 
        } 
        buffer.flip(); 
         
        return buffer; 
    } 
} 
/*************************************************************************************** 
****************************** end of file (FBS_ComBuf) ******************************** 
***************************************************************************************/