using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
using?System.Runtime.InteropServices;
using?System.IO.Ports;

namespace?Serialport1
{
????///?

????///?數(shù)據(jù)校驗(yàn)類
????///?

????public?class?CheckEx
????{
????????#region?獲取校驗(yàn)碼

????????///?

????????///?獲取和校驗(yàn)
????????///?

????????///?
????????///?
????????public?static?byte?GetCheckSum（byte[]?buf）
????????{
????????????return?GetCheckSum（buf?0）;
????????}

????????///?

????????///?獲取和校驗(yàn)
????????///?

????????///?
????????///?
????????///?
????????public?static?byte?GetCheckSum（byte[]?buf?int?offset）
????????{
????????????return?GetCheckSum（buf?offset?buf?!=?null???buf.Length?-?offset?:?0）;
????????}

????????///?

????????///?獲取和校驗(yàn)
????????///?

????????///?
????????///?
????????///?
????????public?static?byte?GetCheckSum（byte[]?buf?int?offset?int?count）
????????{
????????????ulong?nSum?=?0;
????????????for?（int?i?=?offset;?i?????????????{
????????????????nSum?+=?（uint）buf[i];
????????????}

????????????return?（byte）（（nSum?%?256）?&?0xFF）;
????????}

????????///?

????????///?獲取雙字節(jié)和校驗(yàn)
????????///?

????????///?
????????///?
????????public?static?ushort?GetCheckDSum（byte[]?buf）
????????{
????????????return?GetCheckDSum（buf?0）;
????????}

????????///?

????????///?獲取雙字節(jié)和校驗(yàn)
????????///?

????????///?
????????///?
????????///?
????????public?static?ushort?GetCheckDSum（byte[]?buf?int?offset）
????????{
????????????return?GetCheckDSum（buf?offset?buf?!=?null???buf.Length?-?offset?:?0）;
????????}

????????///?

????????///?獲取雙字節(jié)和校驗(yàn)
????????///?

????????///?
????????///?
????????///?
????????public?static?ushort?GetCheckDSum（byte[]?buf?int?offset?int?count）
????????{
????????????ulong?nSum?=?0;
????????????for?（int?i?=?offset;?i?????????????{
????????????????nSum?+=?（uint）buf[i];
????????????}

????????????return?（ushort）（（nSum?%?65536）?&?0xFFFF）;
????????}

????????///?

????????///?獲取CRC16校驗(yàn)
????????///?

????????///?
????????///?
????????public?static?ushort?GetCRC16（byte[]?buf）
????????{
????????????return?GetCRC16（buf?0）;
????????}

????????///?

????????///?獲取CRC16校驗(yàn)
????????///?

????????///?
????????///?
????????///?
????????public?static?ushort?GetCRC16（b

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-02-08?09:27??Serialport1\
?????目錄???????????0??2018-02-08?09:27??Serialport1\.vs\
?????目錄???????????0??2018-02-08?09:27??Serialport1\.vs\Serialport1\
?????目錄???????????0??2018-02-08?09:27??Serialport1\.vs\Serialport1\v15\
?????文件???????78336??2018-03-02?20:09??Serialport1\.vs\Serialport1\v15\.suo
?????目錄???????????0??2018-02-08?09:27??Serialport1\.vs\Serialport1\v15\Server\
?????目錄???????????0??2018-03-02?20:09??Serialport1\.vs\Serialport1\v15\Server\sqlite3\
?????文件???????????0??2017-12-08?11:29??Serialport1\.vs\Serialport1\v15\Server\sqlite3\db.lock
?????文件??????606208??2018-03-01?16:00??Serialport1\.vs\Serialport1\v15\Server\sqlite3\storage.ide
?????文件?????????570??2017-03-10?17:58??Serialport1\Config.xml
?????目錄???????????0??2018-02-08?09:27??Serialport1\Serialport1\
?????文件?????????875??2017-07-20?11:44??Serialport1\Serialport1.sln
?????文件???????34816??2017-07-20?11:43??Serialport1\Serialport1.suo
?????文件???????73728??2018-04-17?15:52??Serialport1\Serialport1.v11.suo
?????目錄???????????0??2018-02-08?09:27??Serialport1\Serialport1\bin\
?????目錄???????????0??2018-02-08?09:27??Serialport1\Serialport1\bin\Debug\
?????目錄???????????0??2018-02-08?09:27??Serialport1\Serialport1\bin\Debug\app.publish\
?????文件???????53760??2017-12-28?17:01??Serialport1\Serialport1\bin\Debug\app.publish\Serialport1.exe
?????文件??????115744??2018-04-14?21:16??Serialport1\Serialport1\bin\Debug\Config.xml
?????文件?????2142208??2013-11-28?16:53??Serialport1\Serialport1\bin\Debug\SerialDebug.exe
?????文件????????1904??2017-12-28?17:01??Serialport1\Serialport1\bin\Debug\Serialport1.application
?????文件???????53760??2017-12-28?17:01??Serialport1\Serialport1\bin\Debug\Serialport1.exe
?????文件????????3464??2017-12-28?17:01??Serialport1\Serialport1\bin\Debug\Serialport1.exe.manifest
?????文件???????83456??2017-12-28?17:01??Serialport1\Serialport1\bin\Debug\Serialport1.pdb
?????文件????????1904??2017-12-28?17:01??Serialport1\Serialport1\bin\Debug\Serialport1.vshost.application
?????文件???????22984??2018-04-17?15:51??Serialport1\Serialport1\bin\Debug\Serialport1.vshost.exe
?????文件????????3464??2017-12-28?17:01??Serialport1\Serialport1\bin\Debug\Serialport1.vshost.exe.manifest
?????目錄???????????0??2017-03-10?18:04??Serialport1\Serialport1\bin\Release\
?????文件?????????570??2017-03-13?14:18??Serialport1\Serialport1\Config.xml
?????文件???????17127??2017-03-13?16:11??Serialport1\Serialport1\DataType.cs
?????文件????????3262??2017-03-14?11:41??Serialport1\Serialport1\Logo.ico
............此處省略40個(gè)文件信息