using CapMachine.Wpf.CanDrive.CanFD; using CapMachine.Wpf.Models.Tag; using CapMachine.Wpf.Services; using NPOI.OpenXmlFormats.Wordprocessing; using Prism.Ioc; using Prism.Mvvm; using System; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Diagnostics; using System.IO; using System.Linq; using System.Runtime.InteropServices; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; using System.Windows.Interop; namespace CapMachine.Wpf.CanDrive { /// /// Toomoss CANFD /// public class ToomossCanFD : BindableBase { private readonly IContainerProvider ContainerProvider; /// /// 实例化函数 /// public ToomossCanFD(IContainerProvider containerProvider) { ContainerProvider = containerProvider; HighSpeedDataService = ContainerProvider.Resolve(); LogService = ContainerProvider.Resolve(); //Stopwatch.Frequency表示高精度计时器每秒的计数次数(ticks/秒)每毫秒的ticks数 = 每秒的ticks数 ÷ 1000 TicksPerMs = Stopwatch.Frequency / 1000.0; } /// /// HighSpeedDataService 实例 /// public HighSpeedDataService HighSpeedDataService { get; set; } public ILogService LogService { get; set; } /// /// 开始CAN的驱动 /// public void StartCanDrive() { try { IsExistsDllFile(); ScanDevice(); OpenDevice(); GetDeviceInfo(); GetCANConfig(); InitCAN(); } catch (Exception ex) { LogService.Error(ex.Message); System.Windows.MessageBox.Show($"{ex.Message}", "提示", System.Windows.MessageBoxButton.OK, System.Windows.MessageBoxImage.Hand); } } /// /// 开始Dbc文件写入 /// public ObservableCollection StartDbc(string DbcPath) { DBC_Parser(DbcPath); return ListCanFdDbcModel; } /// /// Dbc消息集合 /// public ObservableCollection ListCanFdDbcModel { get; set; } = new ObservableCollection(); #region 公共变量 /// /// 仲裁波特率 /// public uint ArbBaudRate { get; set; } = 500000; /// /// 数据波特率 /// public uint DataBaudRate { get; set; } = 2000000; /// /// CAN FD标准 ISO是否启用 /// public bool ISOEnable { get; set; } = true; /// /// 终端电阻 是否启用 /// public bool ResEnable { get; set; } = true; /// /// 更新配置 /// public void UpdateConfig(uint arbBaudRate, uint dataBaudRate, bool iSOEnable, bool resEnable,ushort sendCycle) { ArbBaudRate = arbBaudRate; DataBaudRate = dataBaudRate; ISOEnable = iSOEnable; ResEnable = resEnable; SendCycle=sendCycle; } /// /// 设备固件信息 /// public USB_DEVICEByFD.DEVICE_INFO DevInfo = new USB_DEVICEByFD.DEVICE_INFO(); /// /// CAN Config /// USB2CANFD.CANFD_INIT_CONFIG CANConfig = new USB2CANFD.CANFD_INIT_CONFIG(); /// /// 诊断信息 /// public USB2CANFD.CANFD_DIAGNOSTIC CurCANFD_DIAGNOSTIC = new USB2CANFD.CANFD_DIAGNOSTIC(); /// /// CANFD总线错误信息 /// public USB2CANFD.CANFD_BUS_ERROR CurCANFD_BUS_ERROR = new USB2CANFD.CANFD_BUS_ERROR(); /// /// DBC Handle /// public UInt64 DBCHandle { get; set; } /// /// 扫描设备Handle集合 /// public Int32[] DevHandles { get; set; } = new Int32[20]; /// /// 扫描设备Handle /// public Int32 DevHandle { get; set; } = 0; /// /// Write CAN Index /// public Byte WriteCANIndex { get; set; } = 0; /// /// Read CAN Index /// public Byte ReadCANIndex { get; set; } = 0; private bool _OpenState; /// /// 打开设备的状态 /// public bool OpenState { get { return _OpenState; } set { _OpenState = value; RaisePropertyChanged(); } } private bool _DbcParserState; /// /// DBC解析的状态 /// public bool DbcParserState { get { return _DbcParserState; } set { _DbcParserState = value; RaisePropertyChanged(); } } /// /// 扫描到设备个数 /// public Int32 DevNum { get; set; } public Int32 ret { get; set; } public string dllFilePath { get; set; } = "USB2XXX.dll"; /// /// 消息值Pt /// public IntPtr msgPt { get; set; } #endregion /// /// ******************【1】********************* /// 是否存在Dll文件 /// /// public bool IsExistsDllFile() { if (!File.Exists(dllFilePath)) { Console.WriteLine("请先将USB2XXX.dll和libusb-1.0.dll文件复制到exe程序文件输出目录下!"); Console.WriteLine("dll文件在‘usb2can_lin_pwm_example/sdk/libs/windows’目录下!"); Console.WriteLine("程序是32位的就复制‘x86’目录下文件,程序是64位的就复制‘x86_64’目录下文件!"); return false; } return true; } /// /// ******************【2】********************* /// 扫描查找设备,并将每个设备的唯一设备号存放到数组中,后面的函数需要用到 /// /// public bool ScanDevice() { DevNum = USB_DEVICEByFD.USB_ScanDevice(DevHandles); if (DevNum <= 0) { Console.WriteLine("No device connected!"); return false; } else { Console.WriteLine("Have {0} device connected!", DevNum); DevHandle = DevHandles[0];//获取第一个设备的设备号 return true; } } /// /// ******************【3】********************* /// 打开设备 /// /// public bool OpenDevice() { //打开设备 OpenState = USB_DEVICEByFD.USB_OpenDevice(DevHandle); if (!OpenState) { Console.WriteLine("Open device error!"); return false; } else { Console.WriteLine("Open device success!"); return true; } } /// /// ******************【4】********************* /// 获取设备的固件信息 /// /// public bool GetDeviceInfo() { //获取固件信息 StringBuilder FuncStr = new StringBuilder(256); OpenState = USB_DEVICEByFD.DEV_GetDeviceInfo(DevHandle, ref DevInfo, FuncStr); if (!OpenState) { Console.WriteLine("Get device infomation error!"); return false; } else { Console.WriteLine("Firmware Info:"); Console.WriteLine(" Name:" + Encoding.Default.GetString(DevInfo.FirmwareName)); Console.WriteLine(" Build Date:" + Encoding.Default.GetString(DevInfo.BuildDate)); Console.WriteLine(" Firmware Version:v{0}.{1}.{2}", (DevInfo.FirmwareVersion >> 24) & 0xFF, (DevInfo.FirmwareVersion >> 16) & 0xFF, DevInfo.FirmwareVersion & 0xFFFF); Console.WriteLine(" Hardware Version:v{0}.{1}.{2}", (DevInfo.HardwareVersion >> 24) & 0xFF, (DevInfo.HardwareVersion >> 16) & 0xFF, DevInfo.HardwareVersion & 0xFFFF); Console.WriteLine(" Functions:" + DevInfo.Functions.ToString("X8")); Console.WriteLine(" SerialNumber:" + DevInfo.SerialNumber[0] + DevInfo.SerialNumber[1] + DevInfo.SerialNumber[2]); Console.WriteLine(" Functions String:" + FuncStr); StringBuilder DLLBuildDate = new StringBuilder(256); USB_DEVICEByFD.DEV_GetDllBuildTime(DLLBuildDate); Console.WriteLine(" DLL Build Date:" + DLLBuildDate); return true; } } /// /// ******************【5】********************* /// 获取设备Config配置 /// public void GetCANConfig() { //获取CAN波特率参数 ret = USB2CANFD.CANFD_GetCANSpeedArg(DevHandle, ref CANConfig, ArbBaudRate, DataBaudRate); if (ret != USB2CANFD.CANFD_SUCCESS) { Console.WriteLine("Get CAN Speed failed!"); return; } else { Console.WriteLine("Get CAN Speed Success!"); } } /// /// ******************【6】********************* /// 初始化CAN /// public void InitCAN() { //初始化CAN CANConfig.ISOCRCEnable = ISOEnable == true ? (byte)1 : (byte)0;//使能ISOCRC CANConfig.ResEnable = ResEnable == true ? (byte)1 : (byte)0;//使能终端电阻 ret = USB2CANFD.CANFD_Init(DevHandle, WriteCANIndex, ref CANConfig); if (ret != USB2CANFD.CANFD_SUCCESS) { Console.WriteLine("Config CAN failed!"); return; } else { Console.WriteLine("WriteCANIndex Config CAN Success!"); } ret = USB2CANFD.CANFD_Init(DevHandle, ReadCANIndex, ref CANConfig); if (ret != USB2CANFD.CANFD_SUCCESS) { Console.WriteLine("Config CAN failed!"); return; } else { Console.WriteLine("ReadCANIndex Config CAN Success!"); } Console.WriteLine(""); } /// /// ******************【7】********************* /// DBC解析 /// public void DBC_Parser(string Path) { //解析DBC文件 DBCHandle = DBCParserByFD.DBC_ParserFile(DevHandle, new StringBuilder(Path)); if (DBCHandle == 0) { Console.WriteLine("Parser DBC File error!"); DbcParserState = false; return; } else { Console.WriteLine("Parser DBC File success!"); } ListCanFdDbcModel.Clear(); //打印DBC里面报文和信号相关信息 int DBCMsgNum = DBCParserByFD.DBC_GetMsgQuantity(DBCHandle); for (int i = 0; i < DBCMsgNum; i++) { StringBuilder MsgName = new StringBuilder(32); DBCParserByFD.DBC_GetMsgName(DBCHandle, i, MsgName); Console.WriteLine("Msg.Name = {0}", MsgName); int DBCSigNum = DBCParserByFD.DBC_GetMsgSignalQuantity(DBCHandle, MsgName); StringBuilder Publisher = new StringBuilder(32); DBCParserByFD.DBC_GetMsgPublisher(DBCHandle, MsgName, Publisher); Console.Write("Signals:"); for (int j = 0; j < DBCSigNum; j++) { StringBuilder SigName = new StringBuilder(32); DBCParserByFD.DBC_GetMsgSignalName(DBCHandle, MsgName, j, SigName); Console.Write("{0} ", SigName); //增加信息数据 ListCanFdDbcModel.Add(new CanDbcModel() { MsgName = MsgName.ToString(), MsgId = "", SignalName = SigName.ToString(), SignalDesc = "", SignalUnit = "", SignalRtValue = "", Publisher = Publisher.ToString() }); } Console.WriteLine(""); } //Dbc解析成功 DbcParserState = true; } /// /// 发送CAN数据 /// public void SendCanMsg(List CmdData) { var GroupMsg = CmdData.GroupBy(x => x.MsgName); USB2CANFD.CANFD_MSG[] CanMsg = new USB2CANFD.CANFD_MSG[GroupMsg.Count()]; for (int i = 0; i < GroupMsg.Count(); i++) { CanMsg[i] = new USB2CANFD.CANFD_MSG(); CanMsg[i].Data = new Byte[64]; } IntPtr msgPt = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(USB2CANFD.CANFD_MSG))); int Index = 0; //循环给MSG赋值数据 foreach (var itemMsg in GroupMsg) { foreach (var itemSignal in itemMsg) { DBCParserByFD.DBC_SetSignalValue(DBCHandle, new StringBuilder(itemMsg.Key), new StringBuilder(itemSignal.SignalName), itemSignal.SignalCmdValue); } DBCParserByFD.DBC_SyncValueToCANFDMsg(DBCHandle, new StringBuilder(itemMsg.Key), msgPt); CanMsg[Index] = (USB2CANFD.CANFD_MSG)Marshal.PtrToStructure(msgPt, typeof(USB2CANFD.CANFD_MSG)); Index++; } //设置信号值 //DBCParser.DBC_SetSignalValue(DBCHandle, new StringBuilder("msg_moto_speed"), new StringBuilder("moto_speed"), 2412); //DBCParser.DBC_SetSignalValue(DBCHandle, new StringBuilder("msg_oil_pressure"), new StringBuilder("oil_pressure"), 980); //DBCParser.DBC_SetSignalValue(DBCHandle, new StringBuilder("msg_speed_can"), new StringBuilder("speed_can"), 120); //通过DBC写入数据后生成CanMsg //将信号值填入CAN消息里面 //IntPtr msgPt = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(USB2CANFD.CANFD_MSG))); //DBCParser.DBC_SyncValueToCANFDMsg(DBCHandle, new StringBuilder("msg_moto_speed"), msgPt); //CanMsg[0] = (USB2CANFD.CANFD_MSG)Marshal.PtrToStructure(msgPt, typeof(USB2CANFD.CANFD_MSG)); //DBCParser.DBC_SyncValueToCANFDMsg(DBCHandle, new StringBuilder("msg_oil_pressure"), msgPt); //CanMsg[1] = (USB2CANFD.CANFD_MSG)Marshal.PtrToStructure(msgPt, typeof(USB2CANFD.CANFD_MSG)); //DBCParser.DBC_SyncValueToCANFDMsg(DBCHandle, new StringBuilder("msg_speed_can"), msgPt); //CanMsg[2] = (USB2CANFD.CANFD_MSG)Marshal.PtrToStructure(msgPt, typeof(USB2CANFD.CANFD_MSG)); //释放申请的临时缓冲区 Marshal.FreeHGlobal(msgPt); Console.WriteLine(""); //发送CAN数据 int SendedNum = USB2CANFD.CANFD_SendMsg(DevHandle, WriteCANIndex, CanMsg, (Int32)CanMsg.Length); if (SendedNum >= 0) { Console.WriteLine("Success send frames:{0}", SendedNum); } else { Console.WriteLine("Send CAN data failed! {0}", SendedNum); } } #region 精确发送报文数据 // 添加取消标记源字段用于停止任务 private CancellationTokenSource CycleSendCts; /// /// 计算每毫秒对应的ticks数(只需计算一次) /// private double TicksPerMs; // 类成员变量定义 精确记时用 private readonly Stopwatch Stopwatcher = new Stopwatch(); private long NextExecutionTime; // 计算需要等待的时间 private long CurrentTime; private long DelayTicks; private int DelayMs; private static readonly Random _random = new Random(); /// /// 精确周期发送CAN数据 /// public void StartPrecisionCycleSendMsg() { // 创建取消标记源 用于控制任务的取消 允许在需要时通过取消令牌来优雅停止任务 var cancellationTokenSource = new CancellationTokenSource(); var token = cancellationTokenSource.Token; // 保存取消标记,以便在停止时使用 CycleSendCts = cancellationTokenSource;//将取消标记源保存到类的成员变量CycleSendCts,这样在外部调用停止方法时可以访问它 NextExecutionTime = 0;//初始化NextExecutionTime为0,这个变量用于记录下一次执行的目标时间点 CycleSendTask = Task.Factory.StartNew(async () => { try { // 设置当前线程为高优先级 Thread.CurrentThread.Priority = ThreadPriority.AboveNormal; // 初始化完成后开始计时 Stopwatcher.Restart(); // 预先计算固定值 long CycleInTicks = (long)(SendCycle * TicksPerMs); //临时测试用 //long lastTicks = Stopwatcher.ElapsedTicks; //IsCycleSend while (IsCycleSend && !token.IsCancellationRequested) { try { // 计算下一次执行时间点 ,将当前设置的发送周期SendCycle(毫秒)转换为Stopwatch的计时单位(tick),累加到NextExecutionTime上 NextExecutionTime += CycleInTicks; // 转换为Stopwatch计时单位 // 获取当前时间点,以Stopwatch的tick为单位 CurrentTime = Stopwatcher.ElapsedTicks; //计算需要等待的时间,即目标时间点(NextExecutionTime)与当前时间点(CurrentTime)的差值 DelayTicks = NextExecutionTime - CurrentTime; // 如果还有等待时间,则等待,只有在目标时间点还未到达时才执行等待 if (DelayTicks > 0) { ////此时是需要等待的,那么需要等待多久呢, 将需等待的tick数转换回毫秒 DelayMs = (int)(DelayTicks / TicksPerMs); //20这个数据是预估和测试的,可能跟Windows抖动误差就是20ms左右,当然可以不用这个IF()判断,直接SpinWait.SpinUntil(() => Stopwatcher.ElapsedTicks >= NextExecutionTime);但是会导致当前独占一个CPU核心线程 //所以设置一个20的阈值,20ms以下的延迟使用SpinWait.SpinUntil进行自旋等待,20ms以上的延迟使用Task.Delay进行异步等待,让CPU不至于一直的独占 if (DelayMs <= 20) { SpinWait.SpinUntil(() => Stopwatcher.ElapsedTicks >= NextExecutionTime); } else { ////使用Task.Delay进行异步等待,大部分等待时间通过这种方式完成,避免线程阻塞 await Task.Delay(DelayMs - 20, token); //// 使用SpinWait.SpinUntil进行精确的微调等待。自旋等待会占用CPU资源,但能提供更高的定时精度,确保在精确的时间点执行 ////上面的Task.Delay可能会因为系统调度等原因导致实际执行时间稍晚于预期,因此在这里使用SpinWait.SpinUntil来确保在精确的时间点执行 SpinWait.SpinUntil(() => Stopwatcher.ElapsedTicks >= NextExecutionTime); } } // 如果已经超过了计划时间,立即执行并重新校准 if (Stopwatcher.ElapsedTicks >= NextExecutionTime + CycleInTicks) { //检测是否发生了严重延迟(超过一个周期)。如果当前时间已经超过了下一次计划时间,则说明系统负载过高或其他原因导致无法按时执行, //此时重置NextExecutionTime为当前时间,避免连续的延迟累积 // 严重延迟,重新校准 NextExecutionTime = Stopwatcher.ElapsedTicks; Console.WriteLine("定时发送延迟过大,重新校准时间"); } // 使用Stopwatch记录实际的执行间隔,而不是DateTime //Console.WriteLine($"--实际间隔(ms): {(Stopwatcher.ElapsedTicks - lastTicks) / TicksPerMs:F3}, 目标: {SendCycle}"); //lastTicks = Stopwatcher.ElapsedTicks; //Console.WriteLine($"--当前时间(毫秒): {DateTime.Now:yyyy-MM-dd HH:mm:ss.fff}"); // 执行发送CAN逻辑 { var GroupMsg = CmdData.GroupBy(x => x.MsgName); USB2CANFD.CANFD_MSG[] CanMsg = new USB2CANFD.CANFD_MSG[GroupMsg.Count()]; for (int i = 0; i < GroupMsg.Count(); i++) { CanMsg[i] = new USB2CANFD.CANFD_MSG(); CanMsg[i].Data = new Byte[64]; } IntPtr msgPtSend = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(USB2CANFD.CANFD_MSG))); int Index = 0; //循环给MSG赋值数据 foreach (var itemMsg in GroupMsg) { foreach (var itemSignal in itemMsg) { DBCParserByFD.DBC_SetSignalValue(DBCHandle, new StringBuilder(itemMsg.Key), new StringBuilder(itemSignal.SignalName), itemSignal.SignalCmdValue); } DBCParserByFD.DBC_SyncValueToCANFDMsg(DBCHandle, new StringBuilder(itemMsg.Key), msgPtSend); CanMsg[Index] = (USB2CANFD.CANFD_MSG)Marshal.PtrToStructure(msgPtSend, typeof(USB2CANFD.CANFD_MSG)); Index++; } //通过DBC写入数据后生成CanMsg //将信号值填入CAN消息里面 //释放申请的临时缓冲区 Marshal.FreeHGlobal(msgPtSend); //CanMsg[0].Flags = 5; //发送CAN数据 int SendedNum = USB2CANFD.CANFD_SendMsg(DevHandle, WriteCANIndex, CanMsg, (Int32)CanMsg.Length); if (SendedNum >= 0) { //Console.WriteLine("Success send frames:{0}", SendedNum); IsSendOk = true; } else { //Console.WriteLine("Send CAN data failed! {0}", SendedNum); IsSendOk = false; } } } catch (TaskCanceledException) { // 任务被取消,正常退出 IsSendOk = false; break; } catch (Exception ex) { LogService.Error(ex.Message); Console.WriteLine($"CAN周期发送异常: {ex.Message}"); // 短暂暂停避免异常情况下CPU占用过高 IsSendOk = false; await Task.Delay(10, token); } } } catch (Exception ex) { // 确保在任何情况下(正常退出、异常、取消)都会停止计时器 Stopwatcher.Stop(); LogService.Error(ex.Message); // 清理其他可能的资源 Console.WriteLine("CAN周期发送任务已结束,资源已清理"); IsSendOk = false; } finally { // 确保在任何情况下(正常退出、异常、取消)都会停止计时器 Stopwatcher.Stop(); IsSendOk = false; } }, token, TaskCreationOptions.LongRunning, TaskScheduler.Default); } /// /// 获取CAN消息数组中指定位置的数据 /// /// 源CAN消息数组 /// 要获取的数据索引位置 /// 返回指定位置数据的新数组 private USB2CANFD.CANFD_MSG[] GetCanMsg(USB2CANFD.CANFD_MSG[] sourceCanMsg, int index) { // 参数检查 if (sourceCanMsg == null || sourceCanMsg.Length == 0 || index < 0 || index >= sourceCanMsg.Length) { return new USB2CANFD.CANFD_MSG[0]; } // 创建单个元素的新数组 USB2CANFD.CANFD_MSG[] targetMsg = new USB2CANFD.CANFD_MSG[1]; targetMsg[0] = sourceCanMsg[index]; // 由于CANFD_MSG包含数组字段,需要手动初始化数据数组 targetMsg[0].Data = new byte[64]; // 复制数据 Array.Copy(sourceCanMsg[index].Data, targetMsg[0].Data, sourceCanMsg[index].Data.Length); return targetMsg; } /// /// 修改停止发送的方法 /// public void StopCycleSendMsg() { IsCycleSend = false; CycleSendCts?.Cancel(); } #endregion private bool _IsCycleRevice; /// /// 是否循环接收数据 /// public bool IsCycleRevice { get { return _IsCycleRevice; } set { _IsCycleRevice = value; RaisePropertyChanged(); } } private bool _IsCycleSend; /// /// 是否循环发送数据 /// public bool IsCycleSend { get { return _IsCycleSend; } set { _IsCycleSend = value; RaisePropertyChanged(); } } /// /// 循环发送数据 /// public ushort SendCycle { get; set; } = 200; /// /// 循环接受数据 /// public ushort ReviceCycle { get; set; } = 200; /// /// CycleRevice 扫描Task /// private static Task CycleReviceTask { get; set; } /// /// CycleSend 扫描Task /// private static Task CycleSendTask { get; set; } StringBuilder ValueSb = new StringBuilder(16); double[] ValueDouble = new double[5]; private bool _IsSendOk; /// /// 发送报文是否OK /// public bool IsSendOk { get { return _IsSendOk; } set { if (_IsSendOk != value) { RaisePropertyChanged(); _IsSendOk = value; } } } private bool _IsReviceOk; /// /// 接收报文是否OK /// public bool IsReviceOk { get { return _IsReviceOk; } set { if (_IsReviceOk != value) { RaisePropertyChanged(); _IsReviceOk = value; } } } /// /// 要发送的数据 /// public List CmdData { get; set; } = new List(); /// /// 循环获取CAN消息 /// public void StartCycleReviceCanMsg() { CycleReviceTask = Task.Run(async () => { //var ret = USB2CANFD.CANFD_StartGetMsg(DevHandle, ReadCANIndex); while (IsCycleRevice) { await Task.Delay(ReviceCycle); try { //另外一个CAN通道读取数据 USB2CANFD.CANFD_MSG[] CanMsgBuffer = new USB2CANFD.CANFD_MSG[128]; IntPtr msgPtRead = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(USB2CANFD.CANFD_MSG)) * CanMsgBuffer.Length); int CanNum = USB2CANFD.CANFD_GetMsg(DevHandle, ReadCANIndex, msgPtRead, CanMsgBuffer.Length); if (CanNum > 0) { IsReviceOk = true; Console.WriteLine("Read CanMsgNum = {0}", CanNum); for (int i = 0; i < CanNum; i++) { CanMsgBuffer[i] = (USB2CANFD.CANFD_MSG)Marshal.PtrToStructure((IntPtr)(msgPtRead + i * Marshal.SizeOf(typeof(USB2CANFD.CANFD_MSG))), typeof(USB2CANFD.CANFD_MSG)); Console.WriteLine("CanMsg[{0}].ID = 0x{1}", i, CanMsgBuffer[i].ID.ToString("X8")); //Console.WriteLine("CanMsg[{0}].TimeStamp = {1}",i,CanMsgBuffer[i].TimeStamp); Console.Write("CanMsg[{0}].Data = ", i); for (int j = 0; j < CanMsgBuffer[i].DLC; j++) { Console.Write("{0} ", CanMsgBuffer[i].Data[j].ToString("X2")); } Console.WriteLine(""); //报文给高速记录的服务 HighSpeedDataService.AppendOrUpdateMsg(new Models.HighSpeed.CommMsg() { Category = "CANFD", MsgInfo = "0x" + CanMsgBuffer[i].ID.ToString("X8"), MsgData = BitConverter.ToString(CanMsgBuffer[i].Data), Time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff") }); } } else if (CanNum == 0) { IsReviceOk = false; Console.WriteLine("No CAN data!"); } else { IsReviceOk = false; Console.WriteLine("Get CAN data error!"); } Console.WriteLine(""); //将CAN消息数据填充到信号里面 DBCParserByFD.DBC_SyncCANFDMsgToValue(DBCHandle, msgPtRead, CanNum); //循环获取消息的数据 foreach (var item in ListCanFdDbcModel) { //有配置的名称的,认为是有用的,则需要读取数据 //if (!string.IsNullOrEmpty(item.Name)) //{ //CAN_DBCParser.DBC_GetSignalValueStr(DBCHandle, new StringBuilder(item.MsgName), new StringBuilder(item.SignalName), ValueSb); //double[] ValueDouble; DBCParserByFD.DBC_GetSignalValue(DBCHandle, new StringBuilder(item.MsgName), new StringBuilder(item.SignalName), ValueDouble); //item.SignalRtValueSb = ValueSb; item.SignalRtValue = ValueDouble[0].ToString(); //Console.Write(ValueSb.ToString()); //} } //释放数据缓冲区,必须释放,否则程序运行一段时间后会报内存不足 Marshal.FreeHGlobal(msgPtRead); Thread.Sleep(10); ////获取信号值并打印出来 //StringBuilder ValueStr = new StringBuilder(32); //DBCParserByFD.DBC_GetSignalValueStr(DBCHandle, new StringBuilder("TX1"), new StringBuilder("COM_current_Power"), ValueStr); //Console.WriteLine("COM_current_Power = {0}", ValueStr); //DBCParserByFD.DBC_GetSignalValueStr(DBCHandle, new StringBuilder("TX1"), new StringBuilder("COM_Curr_dc"), ValueStr); //Console.WriteLine("COM_Curr_dc = {0}", ValueStr); } catch (Exception ex) { IsReviceOk = false; LogService.Error(ex.Message); //LogService.Info($"时间:{DateTime.Now.ToString()}-【Meter】-{ex.Message}"); } } }); } /// /// 接受CAN消息 /// public void ReciveCanMsg() { //另外一个CAN通道读取数据 USB2CANFD.CANFD_MSG[] CanMsgBuffer = new USB2CANFD.CANFD_MSG[10]; msgPt = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(USB2CANFD.CANFD_MSG)) * CanMsgBuffer.Length); int CanNum = USB2CANFD.CANFD_GetMsg(DevHandle, ReadCANIndex, msgPt, CanMsgBuffer.Length); if (CanNum > 0) { Console.WriteLine("Read CanMsgNum = {0}", CanNum); for (int i = 0; i < CanNum; i++) { CanMsgBuffer[i] = (USB2CANFD.CANFD_MSG)Marshal.PtrToStructure((IntPtr)(msgPt + i * Marshal.SizeOf(typeof(USB2CANFD.CANFD_MSG))), typeof(USB2CANFD.CANFD_MSG)); Console.WriteLine("CanMsg[{0}].ID = 0x{1}", i, CanMsgBuffer[i].ID.ToString("X8")); //Console.WriteLine("CanMsg[{0}].TimeStamp = {1}",i,CanMsgBuffer[i].TimeStamp); Console.Write("CanMsg[{0}].Data = ", i); for (int j = 0; j < CanMsgBuffer[i].DLC; j++) { Console.Write("{0} ", CanMsgBuffer[i].Data[j].ToString("X2")); } Console.WriteLine(""); } } else if (CanNum == 0) { Console.WriteLine("No CAN data!"); } else { Console.WriteLine("Get CAN data error!"); } Console.WriteLine(""); //将CAN消息数据填充到信号里面 DBCParserByFD.DBC_SyncCANFDMsgToValue(DBCHandle, msgPt, CanNum); //获取信号值并打印出来 StringBuilder ValueStr = new StringBuilder(32); DBCParserByFD.DBC_GetSignalValueStr(DBCHandle, new StringBuilder("msg_moto_speed"), new StringBuilder("moto_speed"), ValueStr); Console.WriteLine("moto_speed = {0}", ValueStr); DBCParserByFD.DBC_GetSignalValueStr(DBCHandle, new StringBuilder("msg_oil_pressure"), new StringBuilder("oil_pressure"), ValueStr); Console.WriteLine("oil_pressure = {0}", ValueStr); DBCParserByFD.DBC_GetSignalValueStr(DBCHandle, new StringBuilder("msg_speed_can"), new StringBuilder("speed_can"), ValueStr); Console.WriteLine("speed_can = {0}", ValueStr); } /// /// 关闭设备 /// public void CloseDevice() { //关闭设备 USB_DEVICEByFD.USB_CloseDevice(DevHandle); OpenState = false; DbcParserState = false; IsCycleRevice = false; IsCycleSend = false; } } }