package com.dev.btse.data;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.util.Random;
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import com.battmonitor.base.Crc16;
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public class TmpSensor_ComBuf {
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TmpSensor_Cmd m_CMD = new TmpSensor_Cmd();
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public TmpSensor_Cmd getTmpSensorCmd()
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{
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return this.m_CMD;
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}
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public boolean putByteBuffer(final ByteBuffer bf)
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{
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if(false == m_CMD.putByteBuffer(bf))
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return false;
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return true;
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}
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public static ByteBuffer makeTmpSensorCommBuf(int addr, int cmd,int reg_index, ByteBuffer bf, boolean aes_en)
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{
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TmpSensor_Cmd m_CMD = new TmpSensor_Cmd();
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ByteBuffer buffer = ByteBuffer.allocate(m_CMD.BYTE_LEN + bf.limit() + 32 );
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buffer.order(ByteOrder.BIG_ENDIAN); //ÉèÖÃByteBufferµÄ×Ö½ÚÐò
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m_CMD.makeCmd(addr, cmd,reg_index,getByteCountByReg(reg_index));
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buffer.put(m_CMD.getByteBuffer());
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buffer.put(bf);
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if(true == aes_en) {
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Random rd = new Random();
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if(0 == (buffer.position()%Ecb_Aes.AES_BLOCK_SIZE)) {
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for(int n=0; n<(Ecb_Aes.AES_BLOCK_SIZE/4); n++) {
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buffer.putInt(rd.nextInt());
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}
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} else {
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int cnt = Ecb_Aes.AES_BLOCK_SIZE - (buffer.position()%Ecb_Aes.AES_BLOCK_SIZE);
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for(int n=0; n<cnt; n++) {
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buffer.put((byte) rd.nextInt());
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}
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}
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}
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int CRC = Crc16.CalCRC16(buffer, buffer.position());
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buffer.putShort(FBS9100_ComBase.changeIntToShort(CRC));
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buffer.flip();
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return buffer;
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}
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/**
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* ¸ù¾Ý¼Ä´æÆ÷Æ«ÒƵØÖ·»ñÈ¡¼Ä´æÆ÷¸öÊý
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* @return
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*/
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public static int getByteCountByReg(int reg_index) {
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int bytecount = 0;
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switch(reg_index) {
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case TmpSensor_ComBase.CMD_GETTMPSENSORSTATE:
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return TmpSensorState.REG_BYTECOUNT;
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}
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return bytecount;
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}
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/***************************************************************************************
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****************************** end of file (FBS_ComBuf) ********************************
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***************************************************************************************/
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}
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