static private void ConnectAllDevices(J2534Library DLL)
{
//If the DLL successfully executes GetNextCarDAQ_RESET()
if (DLL.GetNextCarDAQ_RESET().IsOK)
{
GetNextCarDAQResults TargetDrewtechDevice = DLL.GetNextCarDAQ();
while (TargetDrewtechDevice.Exists)
{
J2534Device ThisDevice = DLL.ConstructDevice(TargetDrewtechDevice);
if (ThisDevice.IsConnected) //This should always succeed.
{ //To avoid populating the list with duplicate devices due to disconnection
//Remove any unconnected devices that are attached to this library.
PhysicalDevices.RemoveAll(Listed => Listed.DeviceName == ThisDevice.DeviceName);
PhysicalDevices.Add(ThisDevice);
}
TargetDrewtechDevice = DLL.GetNextCarDAQ();
}
}
//If its not a drewtech library, then attempt to connect a device
else
{
J2534Device ThisDevice = DLL.ConstructDevice();
if (ThisDevice.IsConnected)
{ //To avoid populating the list with duplicate devices due to disconnection
//Remove any unconnected devices that are attached to this library.
PhysicalDevices.RemoveAll(Listed => (Listed.Library == ThisDevice.Library) && !Listed.IsConnected);
PhysicalDevices.Add(ThisDevice);
}
}
}
internal J2534Device(J2534Library Library, GetNextCarDAQResults CarDAQ)
{
this.Library = Library;
this.DeviceName = CarDAQ.Name;
this.DrewtechVersion = CarDAQ.Version;
this.DrewtechAddress = CarDAQ.Address;
ConnectToDevice(DeviceName);
}
internal GetNextCarDAQResults GetNextCarDAQ()
{
J2534Status Status = new J2534Status();
IntPtr pName = Marshal.AllocHGlobal(4);
IntPtr pAddr = Marshal.AllocHGlobal(4);
IntPtr pVer = Marshal.AllocHGlobal(4);
lock (API_LOCK)
{
Status.Code = API.GetNextCarDAQ(pName, pVer, pAddr);
if (Status.Code == J2534ERR.FUNCTION_NOT_ASSIGNED || Marshal.ReadIntPtr(pName) == IntPtr.Zero)
{
Marshal.FreeHGlobal(pName);
Marshal.FreeHGlobal(pVer);
Marshal.FreeHGlobal(pAddr);
return(new GetNextCarDAQResults()
{
Exists = false
});
}
else if (Status.IsNotOK)
{
Status.Description = GetLastError();
Marshal.FreeHGlobal(pName);
Marshal.FreeHGlobal(pVer);
Marshal.FreeHGlobal(pAddr);
throw new J2534Exception(Status);
}
byte[] b = new byte[3];
Marshal.Copy(pVer, b, 0, 3);
GetNextCarDAQResults Result = new GetNextCarDAQResults()
{
Exists = true,
Name = Marshal.PtrToStringAnsi(Marshal.ReadIntPtr(pName)),
Version = string.Format("{2}.{1}.{0}", b[0], b[1], b[2]),
Address = Marshal.PtrToStringAnsi(Marshal.ReadIntPtr(pAddr))
};
Marshal.FreeHGlobal(pName);
Marshal.FreeHGlobal(pAddr);
Marshal.FreeHGlobal(pVer);
return(Result);
}
}
internal J2534Device ConstructDevice(GetNextCarDAQResults CarDAQ)
{
return(new J2534.J2534Device(this, CarDAQ));
}
