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285 lines
8.5 KiB
C#
285 lines
8.5 KiB
C#
using Microsoft.Extensions.DependencyInjection;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.IO.Ports;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace SlnMesnac.Common
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{
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public sealed class GunHelper
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{
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#region 单例实现
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private static readonly GunHelper lazy = new GunHelper();
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public static GunHelper Instance
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{
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get
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{
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return lazy;
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}
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}
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#endregion
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#region 变量定义
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private static SerialPort serialPort = new SerialPort();
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#endregion
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/// <summary>
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/// 喷码设备推送
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/// </summary>
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/// <param name="materialCodeStr"></param>
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/// <param name="ip"></param>
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public delegate void PushCode(string code);
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public static event PushCode PushCodeEvent;
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//初始化串口并启动接收数据
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public void InstanceSerialPort()
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{
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try
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{
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//端口名 注:因为使用的是USB转RS232 所以去设备管理器中查看一下虚拟com口的名字
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serialPort.PortName = "COM1";// portName;
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//波特率 霍尼威尔扫码枪115200,普通9600
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serialPort.BaudRate = 9600;
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//奇偶校验
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serialPort.Parity = Parity.None;
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//停止位
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serialPort.StopBits = StopBits.One;
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//数据位
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serialPort.DataBits = 0x8;
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//忽略null字节
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serialPort.DiscardNull = true;
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//接收事件
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serialPort.DataReceived += new System.IO.Ports.SerialDataReceivedEventHandler(serialPort1_DataReceived);
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//开启串口
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serialPort.Open();
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//SendData("202 407 16B1");
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}
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catch (Exception ex)
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{
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Console.WriteLine(ex.Message.ToString());
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}
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}
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/// <summary>
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/// 接收数据
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
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{
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string result = "";
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int bytesToRead = serialPort.BytesToRead;
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byte[] buf = new byte[bytesToRead];
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serialPort.Read(buf, 0x0, bytesToRead);
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for (int i = 0x0; i < buf.Length; i++)
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{
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int num = (int)buf[i];
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result =result+num.ToString("X2");
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}
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Console.WriteLine(result);
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}
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/// <summary>
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/// 发送数据方法
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/// </summary>
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/// <param name="data"></param>
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public void SendData(string data)
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{
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byte[] buffer = GetBytesByCommand(data);
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serialPort.Write(buffer, 0, buffer.Length);
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}
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/// <summary>
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/// 条码转换为待发送字节数组
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/// </summary>
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/// <param name="command"></param>
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/// <returns></returns>
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private byte[] GetBytesByCommand(string barCode)
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{
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byte[] buffer = null;
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byte[] SOI = new byte[] { 0x7E };
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byte[] OrderID = new byte[] { 0x30, 0x32 };
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byte[] MemoID = new byte[] { 0x30, 0x31 };
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byte[] Info = GetInfoBytes(barCode);
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byte[] Length = GetLengthByte(Info.Length);
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byte[] CheckSum = GetCheckSumBytes(OrderID, MemoID, Info, Length);
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byte[] EOI = new byte[] { 0x0D };
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using (MemoryStream stream = new MemoryStream())
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{
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// 将所有数组依次写入 MemoryStream
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stream.Write(SOI, 0, SOI.Length);
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stream.Write(OrderID, 0, OrderID.Length);
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stream.Write(MemoID, 0, MemoID.Length);
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stream.Write(Length, 0, Length.Length);
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stream.Write(Info, 0, Info.Length);
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stream.Write(CheckSum, 0, CheckSum.Length);
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stream.Write(EOI, 0, EOI.Length);
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// 获取最终的合并后的字节数组
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buffer = stream.ToArray();
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}
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return buffer;
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}
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#region 计算Info数据
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public byte[] GetInfoBytes(string input)
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{
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try
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{
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List<byte> bytes = new List<byte>();
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// X
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bytes.Add(0x30);
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bytes.Add(0x30);
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bytes.Add(0x35);
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bytes.Add(0x38);
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//0
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bytes.Add(0x30);
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bytes.Add(0x30);
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bytes.Add(0x33);
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bytes.Add(0x30);
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foreach (char c in input)
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{
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byte[] charBytes = ConvertCharToBytes(c);
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foreach (byte b in charBytes)
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{
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bytes.Add(b);
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}
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}
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// 固定尾部分隔符
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bytes.Add(0x30);
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bytes.Add(0x30);
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bytes.Add(0x31);
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bytes.Add(0x46);
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return bytes.ToArray();
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}
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catch (Exception ex)
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{
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// 处理异常，这里可以根据实际情况处理异常，例如记录日志等
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Console.WriteLine($"Error in GetInfoBytes: {ex.Message}");
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return null;
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}
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}
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// 将字符转换为符合规则的四字节表示
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public byte[] ConvertCharToBytes(char c)
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{
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byte[] result = new byte[4];
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// 获取字符的 ASCII 码
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byte ascii = (byte)c;
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// 高4位的 ASCII 码表示
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byte high4 = (byte)((ascii >> 4) + 0x30);
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// 低4位的 ASCII 码表示
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byte low4 = (byte)((ascii & 0x0F) + 0x30);
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// 构建四字节表示，前两位和后两位
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result[0] = 0x30; // 高位补 '0'
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result[1] = 0x30; // 高位补 '0'
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result[2] = high4;
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result[3] = low4;
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return result;
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}
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#endregion
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#region 计算Length 将十进制数转换为两个字节的 ASCII 表示
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public byte[] GetLengthByte(int dec)
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{
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byte[] result = new byte[4];
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// 将十进制数转换为十六进制字符串
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string hexString = dec.ToString("X4");
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for (int i = 0; i < hexString.Length; i++)
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{
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char c = hexString[i];
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int asciiValue = (int)c;
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result[i] = Convert.ToByte(asciiValue.ToString("X2"), 16);
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}
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return result;
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}
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#endregion
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#region 计算校验码
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public byte[] GetCheckSumBytes(byte[] OrderID, byte[] MemoID, byte[] Info, byte[] Length)
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{
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byte[] result = new byte[4]; // 始终返回四个字节
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// 计算校验和
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ushort checksum = CalculateLCheckSum(OrderID, MemoID, Info, Length);
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string checksumHex = checksum.ToString("X4");
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for (int i = 0; i < checksumHex.Length; i++)
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{
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char c = checksumHex[i];
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// 获取字符 c 的 ASCII 码
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int asciiValue = (int)c;
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// 将 ASCII 码转换成十六进制表示，并存储到 result 数组中
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result[i] = Convert.ToByte(asciiValue.ToString("X2"), 16);
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}
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return result;
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}
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private ushort CalculateLCheckSum(byte[] OrderID, byte[] MemoID, byte[] Info, byte[] Length)
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{
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// 计算除去 SOI、EOI 和 CheckSUM 外的数据的和
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int sum = CalculateSumWithoutCheckSum(OrderID) +
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CalculateSumWithoutCheckSum(MemoID) +
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CalculateSumWithoutCheckSum(Info) +
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CalculateSumWithoutCheckSum(Length);
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// 取模 65536
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ushort modResult = (ushort)(sum % 65536);
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// 求反加1
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ushort checksum = (ushort)(((ushort)~modResult) + 1);
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return checksum;
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}
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private int CalculateSumWithoutCheckSum(byte[] data)
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{
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int sum = 0;
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foreach (byte b in data)
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{
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sum += b;
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}
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return sum;
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}
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#endregion
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}
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}
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