package com.dev.bmp7100;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import com.base.Crc16;
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public class bpm7100_CommData {
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//------------------------------------------------------------------------//
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final public static short REGADDR_NULL = 0x0000;
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final public static short REGADDR_START = 0x0100;
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//------------------------------------------------------------------------//
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final public static byte MB_CMD_NULL = 0x00;
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final public static byte MB_CMD_READ = 0x03;
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final public static byte MB_CMD_WRITE = 0x05;
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//------------------------------------------------------------------------//
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final public static int CURR_DIR_CHARGE = 0;
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final public static int CURR_DIR_DISCHARGE = 1;
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//------------------------------------------------------------------------//
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final public static int BATTSTATE_NULL = 0;
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final public static int BATTSTATE_FLOAT = 1;
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final public static int BATTSTATE_CHARGE = 2;
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final public static int BATTSTATE_DISCHARGE = 3;
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final public static int CMD_GET_BATT_VOL = 1;
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final public static int CMD_GET_BATT_STATE = 2;
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//------------------------------------------------------------------------//
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final public static int BATT_COUNT_PER_DEV = 24;
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final public static int BATT_GROUP_COUNT_MAX = 100;
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final public static int BATT_MON_COUNT_MAX = 500;
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//------------------------------------------------------------------------//
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private boolean m_UsrWriteCmdAck = false;
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//------------------------------------------------------------------------//
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boolean batt_test_state = false;
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//------------------------------------------------------------------------//
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int rs485_addr = 0;
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float module_version = 0;
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float groupvol = 0;
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float battcurr = 0;
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float grouptmp = 0;
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float[] battvol = new float[BATT_MON_COUNT_MAX];
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short crc16 = 0;
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//------------------------------------------------------------------------//
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byte[] data_byte_tx;
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byte[] data_byte_rx;
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ByteBuffer data_bf;
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//------------------------------------------------------------------------//
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public bpm7100_CommData()
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{
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data_byte_tx = new byte[8];
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data_byte_rx = new byte[256];
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data_bf = ByteBuffer.allocate(512);
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data_bf.order(ByteOrder.BIG_ENDIAN);
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}
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//------------------------------------------------------------------------//
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public boolean getUsrWriteCmdAck()
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{
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return m_UsrWriteCmdAck;
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}
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//------------------------------------------------------------------------//
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void makeDataToByteArray(byte addr, byte cmd, short reg_addr, short reg_count)
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{
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data_bf.clear();
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if(MB_CMD_READ == cmd)
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{
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data_bf.put(addr);
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data_bf.put(cmd);
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data_bf.putShort(reg_addr);
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data_bf.putShort(reg_count);
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int crc = Crc16.CalCRC16(data_bf, 6)&0xFFFF;
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data_bf.putShort((short) ((crc<<8) + (crc>>8)));
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}
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else if(MB_CMD_WRITE == cmd)
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{
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m_UsrWriteCmdAck = false;
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data_bf.put(addr);
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data_bf.put(cmd);
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data_bf.putShort(reg_addr);
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data_bf.putShort((short) 1);
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int crc = Crc16.CalCRC16(data_bf, 6)&0xFFFF;
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data_bf.putShort((short) ((crc<<8) + (crc>>8)));
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}
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data_bf.position(0);
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data_bf.get(data_byte_tx);
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}
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//------------------------------------------------------------------------//
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public boolean getDataFromByteArray(int rx_datacount)
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{
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boolean res = false;
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data_bf.clear();
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data_bf.put(data_byte_rx);
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data_bf.flip();
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/*********************************************************/
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int crc = Crc16.CalCRC16(data_bf, rx_datacount-2)&0xFFFF;
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crc = ((short) ((crc<<8) + (crc>>8)));
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data_bf.position(rx_datacount-2);
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short tmp_crc = data_bf.getShort();
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/*********************************************************/
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if(crc == tmp_crc)
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{
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data_bf.position(0);
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data_bf.get();
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byte cmd = data_bf.get();
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data_bf.get();
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rs485_addr = 0;
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if(MB_CMD_READ == cmd)
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{
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rs485_addr = (data_bf.getShort()&0xFFFF);
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module_version = (float)(data_bf.getShort()&0xFFFF) / 10;
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grouptmp = ((float)(data_bf.getShort()&0xFFFF) / 10) - 10;
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battcurr = ((float)(data_bf.getShort()&0xFFFF) / 1000) - 20;
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groupvol = (float)(data_bf.getShort()&0xFFFF) / 10;
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for(int n=0; n<BATT_COUNT_PER_DEV; n++) {
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battvol[n] = ((float)(data_bf.getShort()&0xFFFF) / 1000) - 20;
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}
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res = true;
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}
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}
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return res;
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}
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//------------------------------------------------------------------------//
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public void clearData() {
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grouptmp = 0;
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battcurr = 0;
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groupvol = 0;
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for(int n=0; n<BATT_COUNT_PER_DEV; n++) {
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battvol[n] = 0;
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}
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}
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//------------------------------------------------------------------------//
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}
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