Here you can find the source of bcdNibbleToInt(byte b, boolean high)
private static int bcdNibbleToInt(byte b, boolean high)
//package com.java2s; /*/*from w w w. ja v a 2 s . co m*/ * Copyright 2012 modjn Project * * The modjn Project licenses this file to you under the Apache License, * version 2.0 (the "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. */ public class Main { private static int bcdNibbleToInt(byte b, boolean high) { int n; if (high) n = (b >> 4) & 0xf; else n = b & 0xf; if (n > 9) n = 0; return n; } }