package toTcp;

import java.util.Arrays;

import static java.lang.Integer.parseInt;
import static java.lang.Integer.toHexString;

public class gethex {
    public static byte[] hexStrToBinaryStr(String hexString) {


//        if (TextUtils.isEmpty(hexString)) {
//            return null;
//        }

        hexString = hexString.replaceAll(" ", "");

        int len = hexString.length();
        int index = 0;

        byte[] bytes = new byte[len / 2];

        while (index < len) {

            String sub = hexString.substring(index, index + 2);

            bytes[index/2] = (byte)Integer.parseInt(sub,16);

            index += 2;
        }

        //BinaryToHexString(bytes);
        return bytes;
    }
    public static String BinaryToHexString(byte[] bytes) {
        String hexStr = "0123456789ABCDEF";
        String result = "";
        String hex = "";
        for (byte b : bytes) {
            hex = String.valueOf(hexStr.charAt((b & 0xF0) >> 4));
            hex += String.valueOf(hexStr.charAt(b & 0x0F));
            result += hex + " ";
        }
      // System.out.println("------");
        //System.out.println(result);
        return result;
    }

    public static double toSqlElectric(String DLT645) {
        String[] data=DLT645.split(" ");
        int start = 0;
        int end = data.length - 1;

        while (start < end) {
            String temp = data[start];
            data[start] = data[end];
            data[end] = temp;

            start++;
            end--;
        }
        int num1 = Integer.parseInt("33", 16);
        String result="";
        for (int i = 2; i <6; i++) {

            int num2 = Integer.parseInt(data[i], 16);
            int num3 = num2 - num1 ;
            int num4=Integer.parseInt(Integer.toHexString(num3));
            result+=String.format("%02d", num4);
        }
        return Math.round(Float.valueOf(result)) * 0.01d;
    }

    public static void main(String[] args) {
        String DLT645="68 23 01 00 91 03 57 68 91 08 33 33 34 33 37 8A 34 33 6D 16";
        toSqlElectric(DLT645);
    }
}