From e746bf6aead99e82b5c6458f7801adbeb65d10d3 Mon Sep 17 00:00:00 2001
From: soul liu <soul2isme@outlook.com>
Date: Thu, 11 May 2023 17:42:19 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9E=E4=B8=B2=E5=8F=A3=E5=B7=A5?=
 =?UTF-8?q?=E5=85=B7=E7=B1=BB?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 General/General.csproj              |   4 +
 General/utils/GodSerialPortUtils.cs | 146 ++++++++++++++++++++++++++++
 2 files changed, 150 insertions(+)
 create mode 100644 General/utils/GodSerialPortUtils.cs

diff --git a/General/General.csproj b/General/General.csproj
index ea741c5..bc62e51 100644
--- a/General/General.csproj
+++ b/General/General.csproj
@@ -7,4 +7,8 @@
     <RootNamespace>Soul2.$(MSBuildProjectName.Replace(" ", "_"))</RootNamespace>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="GodSharp.SerialPort" Version="1.2.0.6" />
+  </ItemGroup>
+
 </Project>
diff --git a/General/utils/GodSerialPortUtils.cs b/General/utils/GodSerialPortUtils.cs
new file mode 100644
index 0000000..e35987d
--- /dev/null
+++ b/General/utils/GodSerialPortUtils.cs
@@ -0,0 +1,146 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using GodSharp.SerialPort.Extensions;
+using GodSharp.SerialPort;
+using System.IO.Ports;
+using System.Text.RegularExpressions;
+
+namespace Soul2.General.utils {
+    /// <summary>
+    /// 串口通信工具类
+    /// 需要TimerUtils
+    /// </summary>
+    public static class GodSerialPortUtils {
+
+        private static GodSerialPort? gsp = null;
+        public static bool debug = false;
+        public static bool be_sending = false;
+        private static byte[]? back_data;
+
+        public class Messages {
+            /// <summary>
+            /// 645协议读取通信地址报文
+            /// </summary>
+            public const string _645CommunicationAddress = "FE FE FE FE 68 AA AA AA AA AA AA 68 13 00 DF 16";
+        }
+
+        /// <summary>
+        /// 打印log
+        /// </summary>
+        /// <param name="log"></param>
+        private static void log(string log) {
+            if (debug) {
+                Debug.WriteLine("[GodSerialPortUtils] " + log);
+            }
+        }
+
+        /// <summary>
+        /// 查询所有可用串口
+        /// </summary>
+        /// <returns>串口名称数组</returns>
+        public static string[] find() {
+            return SerialPort.GetPortNames();
+        }
+
+        /// <summary>
+        /// 当前连接状态
+        /// </summary>
+        /// <returns></returns>
+        public static bool status() {
+            return gsp != null && gsp.IsOpen != false;
+        }
+
+        /// <summary>
+        /// 发送报文信息
+        /// </summary>
+        /// <param name="data">发送的内容</param>
+        /// <param name="callback">回调函数，参数为byte[]类型的回信</param>
+        /// <param name="wait_complete">是否等待回信完成再执行回调函数，默认为否</param>
+        /// <exception cref="Exception"></exception>
+        public static void send(byte[] data, Action<byte[]> callback = null, bool wait_complete = false) {
+            if (status() && !be_sending && gsp != null) {
+                // 发送报文并启用 DataReceived 事件
+                void onBack(GodSerialPort _gsp, byte[] bytes) {
+                    string buffer = string.Join("", bytes.Select(b => b.ToString("X2")));
+                    log("收到数据：" + buffer);
+                    be_sending = false;
+                    if (back_data != null) {
+                        back_data = back_data.Concat(bytes).ToArray();
+                    } else {
+                        back_data = bytes;
+                    }
+                    if (!wait_complete || (back_data != null && back_data.Length > 0 && back_data[^1] == 0x16)) {
+                        callback?.Invoke(back_data);
+                    }
+                }
+                be_sending = true;
+                gsp.Write(data);
+                log($"发送数据：{data.ToHexString()}");
+                gsp.UseDataReceived(true, onBack);
+            } else if (!status() || gsp == null) {
+                // 连接未建立或者串口对象不存在，则抛出异常
+                throw new Exception("先连接再发送报文");
+            } else if (be_sending) {
+                // 上一个报文还未收到回信，则抛出异常
+                throw new Exception("上一个报文还未收到回信！");
+            }
+            // 清空 back_data 数组，避免数据混乱
+            back_data = null;
+        }
+
+        /// <summary>
+        /// 打开串口通信
+        /// </summary>
+        /// <param name="name">串口名称</param>
+        /// <param name="baudRate">波特率</param>
+        /// <param name="parity">校验码</param>
+        /// <param name="dataBits">数据位</param>
+        /// <param name="stopBits">停止位</param>
+        /// <param name="handshake">握手协议</param>
+        /// <returns></returns>
+        public static bool open(string name, int baudRate = 9600, Parity parity = Parity.None, int dataBits = 8, StopBits stopBits = StopBits.None, Handshake handshake = Handshake.None) {
+            if (gsp == null) {
+                gsp = new GodSerialPort(name, baudRate, parity, dataBits, stopBits, handshake);
+            }
+            return gsp.Open() & status();
+        }
+
+        /// <summary>
+        /// 关闭连接
+        /// </summary>
+        /// <returns>是否已关闭</returns>
+        public static bool close() {
+            if (gsp == null) {
+                return true;
+            }
+            var r = gsp.Close();
+            gsp = null;
+            return r;
+        }
+
+        /// <summary>
+        /// 16进制加法计算
+        /// 2位，按空格分割，加负数来算减法
+        /// </summary>
+        /// <param name="hexStr">16进制文本</param>
+        /// <param name="m">增加的值</param>
+        /// <returns>计算后的文本</returns>
+        public static string AddValueToHexString(string hexStr, int m) {
+            // 检查输入字符串是否符合要求
+            if (!Regex.IsMatch(hexStr, @"^[\da-fA-F]{2}( [\da-fA-F]{2})*$")) {
+                return "==";
+            }
+            var hexBytes = hexStr.HexToByte();
+            for (int i = 0; i < hexBytes.Length; i++) {
+                hexBytes[i] = (byte)((int)hexBytes[i] + m);
+            }
+
+            return hexBytes.ToHexString();
+        }
+
+    }
+}