java串口调试demo

package com.yang.serialport.utils; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.math.BigInteger; import java.nio.ByteBuffer; import java.nio.ByteOrder; import java.util.Locale; public class ByteUtils { /** * 用来把mac字符串转换为long * * @param strMac * @return */ public static long macToLong(String strMac) { byte[] mb = new BigInteger(strMac, 16).toByteArray(); ByteBuffer mD = ByteBuffer.allocate(mb.length); mD.put(mb); long mac = 0; // 如果长度等于8代表没有补0; if (mD.array().length == 8) { mac = mD.getLong(0); } else if (mD.array().length == 9) { mac = mD.getLong(1); } return mac; } public static byte[] getBytes(Object obj) throws IOException { ByteArrayOutputStream bout = new ByteArrayOutputStream(); ObjectOutputStream out = new ObjectOutputStream(bout); out.writeObject(obj); out.flush(); byte[] bytes = bout.toByteArray(); bout.close(); out.close(); return bytes; } /** * 函数名称：hexStr2Byte</br> 功能描述：String 转数组 * * @param hex * @return 修改日志:</br> * <table> * <tr> * <th>版本</th> * <th>日期</th> * <th>作者</th> * <th>描述</th> * <tr> * <td>0.1</td> * <td>2014-7-16</td> * <td>ZhaoQing</td> * <td>初始创建</td> * </table> * @author ZhaoQing */ public static byte[] hexStr2Byte(String hex) { ByteBuffer bf = ByteBuffer.allocate(hex.length() / 2); for (int i = 0; i < hex.length(); i++) { String hexStr = hex.charAt(i) + ""; i++; hexStr += hex.charAt(i); byte b = (byte) Integer.parseInt(hexStr, 16); bf.put(b); } return bf.array(); } /** * 函数名称：byteToHex</br> 功能描述：byte转16进制 * * @param b * @return 修改日志:</br> * <table> * <tr> * <th>版本</th> * <th>日期</th> * <th>作者</th> * <th>描述</th> * <tr> * <td>0.1</td> * <td>2014-6-26</td> * <td>ZhaoQing</td> * <td>初始创建</td> * </table> * @author ZhaoQing */ public static String byteToHex(byte b) { String hex = Integer.toHexString(b & 0xFF); if (hex.length() == 1) { hex = '0' + hex; } return hex.toUpperCase(Locale.getDefault()); } public static Object getObject(byte[] bytes) throws IOException, ClassNotFoundException { ByteArrayInputStream bi = new ByteArrayInputStream(bytes); ObjectInputStream oi = new ObjectInputStream(bi); Object obj = oi.readObject(); bi.close(); oi.close(); return obj; } public static ByteBuffer getByteBuffer(Object obj) throws IOException { byte[] bytes = ByteUtils.getBytes(obj); ByteBuffer buff = ByteBuffer.wrap(bytes); return buff; } /** * byte[] 转short 2字节 * * @param bytes * @return */ public static short bytesToshort(byte[] bytes) { return (short) ((bytes[0] & 0xff) | ((bytes[1] << 8) & 0xff00)); } /** * byte 转Int * * @param b * @return */ public static int byteToInt(byte b) { return (b) & 0xff; } public static int bytesToInt(byte[] bytes) { int addr = bytes[0] & 0xFF; addr |= ((bytes[1] << 8) & 0xFF00); addr |= ((bytes[2] << 16) & 0xFF0000); addr |= ((bytes[3] << 24) & 0xFF000000); return addr; } public static byte[] intToByte(int i) { byte[] abyte0 = new byte[4]; abyte0[0] = (byte) (0xff & i); abyte0[1] = (byte) ((0xff00 & i) >> 8); abyte0[2] = (byte) ((0xff0000 & i) >> 16); abyte0[3] = (byte) ((0xff000000 & i) >> 24); return abyte0; } public static byte[] LongToByte(Long i) { byte[] abyte0 = new byte[8]; abyte0[0] = (byte) (0xff & i); abyte0[1] = (byte) ((0xff00 & i) >> 8); abyte0[2] = (byte) ((0xff0000 & i) >> 16); abyte0[3] = (byte) ((0xff000000 & i) >> 24); abyte0[4] = (byte) ((0xff00000000l & i) >> 32); abyte0[5] = (byte) ((0xff0000000000l & i) >> 40); abyte0[6] = (byte) ((0xff000000000000l & i) >> 48); abyte0[7] = (byte) ((0xff00000000000000l & i) >> 56); return abyte0; } /** * 函数名称：shortChange</br> 功能描述：short 大端转小端 * * @param mshort * @return 修改日志:</br> * <table> * <tr> * <th>版本</th> * <th>日期</th> * <th>作者</th> * <th>描述</th> * <tr> * <td>0.1</td> * <td>2014-6-26</td> * <td>ZhaoQing</td> * <td>初始创建</td> * </table> * @author ZhaoQing */ public static short shortChange(Short mshort) { mshort = (short) ((mshort >> 8 & 0xFF) | (mshort << 8 & 0xFF00)); return mshort; } /** * 函数名称：intChange</br> 功能描述：int 大端转小端 * * @param mint * @return 修改日志:</br> * <table> * <tr> * <th>版本</th> * <th>日期</th> * <th>作者</th> * <th>描述</th> * <tr> * <td>0.1</td> * <td>2014-6-26</td> * <td>ZhaoQing</td> * <td>初始创建</td> * </table> * @author ZhaoQing */ public static int intChange(int mint) { mint = (int) (((mint) >> 24 & 0xFF) | ((mint) >> 8 & 0xFF00) | ((mint) << 8 & 0xFF0000) | ((mint) << 24 & 0xFF000000)); return mint; } /** * 函数名称：intChange</br> 功能描述：LONG 大端转小端 * * @param mint * @return 修改日志:</br> * <table> * <tr> * <th>版本</th> * <th>日期</th> * <th>作者</th> * <th>描述</th> * <tr> * <td>0.1</td> * <td>2014-6-26</td> * <td>ZhaoQing</td> * <td>初始创建</td> * </table> * @author ZhaoQing */ public static long longChange(long mint) { mint = (long) (((mint) >> 56 & 0xFF) | ((mint) >> 48 & 0xFF00) | ((mint) >> 24 & 0xFF0000) | ((mint) >> 8 & 0xFF000000) | ((mint) << 8 & 0xFF00000000l) | ((mint) << 24 & 0xFF0000000000l) | ((mint) << 40 & 0xFF000000000000l) | ((mint) << 56 & 0xFF00000000000000l)); return mint; } /** * 将byte转换为无符号的short类型 * * @param b * 需要转换的字节数 * @return 转换完成的short */ public static short byteToUshort(byte b) { return (short) (b & 0x00ff); } /** * 将byte转换为无符号的int类型 * * @param b * 需要转换的字节数 * @return 转换完成的int */ public static int byteToUint(byte b) { return b & 0x00ff; } /** * 将byte转换为无符号的long类型 * * @param b * 需要转换的字节数 * @return 转换完成的long */ public static long byteToUlong(byte b) { return b & 0x00ff; } /** * 将short转换为无符号的int类型 * * @param s * 需要转换的short * @return 转换完成的int */ public static int shortToUint(short s) { return s & 0x00ffff; } /** * 将short转换为无符号的long类型 * * @param s * 需要转换的字节数 * @return 转换完成的long */ public static long shortToUlong(short s) { return s & 0x00ffff; } /** * 将int转换为无符号的long类型 * * @param i * 需要转换的字节数 * @return 转换完成的long */ public static long intToUlong(int i) { return i & 0x00ffffffff; } /** * 将short转换成小端序的byte数组 * * @param s *