public void RecieveTest()
{
const int messagesCount = 10;
const int perMessageDelay = 10;
var testFrames = CanFrameHelper.GetRandomFrames().Take(messagesCount).ToList();
var mockPort = new MockCanPort();
var flow = new CanFlow(mockPort, testFrames.Select(f => f.Descriptor).Distinct().ToArray());
ThreadPool.QueueUserWorkItem(s =>
{
foreach (var frame in testFrames)
{
mockPort.PushFrames(frame);
Thread.Sleep(perMessageDelay);
}
});
var watch = new Stopwatch();
watch.Start();
var readedFrames = flow.Read(TimeSpan.FromMilliseconds(perMessageDelay * 5), false).ToList();
watch.Stop();
const double targetTime = messagesCount*perMessageDelay*2;
Assert.IsTrue(watch.ElapsedMilliseconds <= targetTime, "Приём сообщений занял слишком много времени: {0}мс вместо {1}мс", watch.ElapsedMilliseconds, targetTime);
Assert.AreEqual(testFrames.Count, readedFrames.Count, "Количество отправленых и принятых фреймов не совпадает");
for (int i = 0; i < messagesCount; i++)
{
Assert.AreEqual(testFrames[i].Id, readedFrames[i].Id, "Порядок сообщений нарушен");
Assert.IsTrue(testFrames[i].Data.SequenceEqual(readedFrames[i].Data), "Идентификатор сообщения не изменился, но данные исказились");
}
}
/// <summary>
/// Находит в сети все устройства с заданным шаблоном билетов.
/// </summary>
/// <param name="Template">Шаблон билета устройства</param>
/// <param name="OnPort">Can-порт, через который осуществляется работа</param>
/// <param name="Timeout">Таймаут (в милисекундах). Таймаут отсчитывается с момента получения последней IsoTP-транзакции, а не с момента начала опроса</param>
/// <returns></returns>
public static List<DeviceTicket> LocateDevices(DeviceTicket Template, CanPort OnPort, int Timeout = 100)
{
using (var flow = new CanFlow(OnPort, CanProg.FuDev, CanProg.FuInit, CanProg.FuProg))
{
Template.BlockSerialNumber = 0;
var helloMessage = new Messages.ProgInit(Template);
IsoTp.Send(flow, CanProg.FuInit, CanProg.FuDev, helloMessage.Encode());
var res = new List<DeviceTicket>();
var sw = new Stopwatch();
sw.Start();
while (sw.ElapsedMilliseconds < Timeout)
{
try
{
var tr = IsoTp.Receive(flow, CanProg.FuDev, CanProg.FuProg, TimeSpan.FromMilliseconds(Timeout - sw.ElapsedMilliseconds));
var msg = Messages.Message.DecodeMessage(tr.Data);
if (msg is Messages.ProgBCastResponse) res.Add((msg as Messages.ProgBCastResponse).Ticket);
}
catch (IsoTpReceiveTimeoutException)
{
break;
}
}
return res.Distinct().ToList();
}
}
public static TpReceiveTransaction SendRequestAndBeginReceive(
CanFlow Flow,
int RequestTransmitDescriptor, int RequestAcknowlegmentDescriptor,
int AnsverTransmitDescriptor, int AnsverAcknowlegmentDescriptor,
Byte[] RequestData, TimeSpan Timeout)
{
Send(Flow, RequestTransmitDescriptor, RequestAcknowlegmentDescriptor, RequestData).Wait();
return Receive(Flow, AnsverTransmitDescriptor, AnsverAcknowlegmentDescriptor, Timeout);
}
private static void Main(string[] args)
{
if (args.Length == 0)
{
Console.WriteLine(Resources.HelpDisclamer);
Console.WriteLine();
Console.WriteLine("Поддерживаемые команды:");
Console.WriteLine();
foreach (var builder in FudpMessageBuilder.Builders.OrderBy(b => b.Key))
{
Console.ForegroundColor = ConsoleColor.Magenta;
Console.Write(builder.Key);
Console.ResetColor();
Console.Write(" ");
Console.ForegroundColor = ConsoleColor.Yellow;
Console.Write(builder.Value.MessageType.Name);
Console.ResetColor();
Console.WriteLine();
foreach (FudpMessageBuilder.ParameterSetter setter in builder.Value.Setters.OrderBy(s => s.Index))
{
Console.Write(" ");
Console.ForegroundColor = ConsoleColor.Cyan;
Console.Write(setter.Index + 2);
Console.ResetColor();
Console.Write(": {0}", setter.PropertyInfo.Name);
Console.ForegroundColor = ConsoleColor.DarkCyan;
Console.Write(" ({0})", setter.PropertyInfo.PropertyType.Name);
Console.WriteLine();
Console.ResetColor();
}
Console.WriteLine();
}
Console.ReadKey();
}
else
{
if (File.Exists("can.log")) File.Delete("can.log");
FudpMessageBuilder builder = FudpMessageBuilder.Builders[int.Parse(args[0])];
try
{
builder.FillWith(args.Skip(1).ToList());
}
catch (FormatException exception)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Какой-то из параметров указан в неверном формате");
Console.ResetColor();
return;
}
Message message = builder.Build();
Console.ForegroundColor = ConsoleColor.Yellow;
Console.Write("-->");
Console.ResetColor();
Console.WriteLine(" {0}", message);
using (var fs = new StreamWriter("fudp.log", true))
{
fs.WriteLine("--> {0}\n {1}", message, BitConverter.ToString(message.Encode()));
}
using (AppiDev appi = WinusbAppiDev.GetDevices().First().OpenDevice())
{
foreach (AppiCanPort port in appi.CanPorts.Values)
{
port.BaudRate = BaudRates.CBR_100K;
port.Received += PortOnReceived;
}
using (var flow = new CanFlow(appi.CanPorts[AppiLine.Can1], CanProg.FuDev, CanProg.FuProg))
{
try
{
IsoTp.Send(flow, CanProg.FuProg, CanProg.FuDev, message.Encode(), TimeSpan.FromMilliseconds(500));
}
catch (IsoTpFlowControlTimeoutException)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Истёк таймаут при отправке ISO-TP сообщения");
}
byte[] receivedBuffer = new byte[0];
try
{
receivedBuffer = IsoTp.Receive(flow, CanProg.FuDev, CanProg.FuProg, TimeSpan.FromMilliseconds(500)).Data;
Message answerMessage = Message.DecodeMessage(receivedBuffer);
Console.ForegroundColor = ConsoleColor.Magenta;
Console.Write("<--");
Console.ResetColor();
Console.WriteLine(" {0}", answerMessage);
using (var fs = new StreamWriter("fudp.log", true))
{
fs.WriteLine("--> {0}\n {1}", answerMessage, BitConverter.ToString(receivedBuffer));
}
}
catch (IsoTpReceiveTimeoutException)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Истёк таймаут при ожидании ответа");
}
catch (IsoTpProtocolException exception)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Какая-то ошибка в реализации протокола ISO-TP: {0}", exception.Message);
Console.ResetColor();
Console.WriteLine("Был принят следующий буфер: {0}", BitConverter.ToString(receivedBuffer));
}
}
}
}
Console.ResetColor();
}
public static TpReceiveTransaction SendRequestAndBeginReceive(CanFlow Flow, int MasterDescriptor, int SlaveDescriptor, Byte[] RequestData, TimeSpan Timeout)
{
return SendRequestAndBeginReceive(Flow, MasterDescriptor, SlaveDescriptor, SlaveDescriptor, MasterDescriptor, RequestData, Timeout);
}
