// The check method takes a canStatus (which is an enumerable) and the method
// name as a string argument. If the status is an error code, it will print it.
// Most Canlib method return a status, and checking it with a method like this
// is a useful practice to avoid code duplication.
private static void CheckStatus(Canlib.canStatus status, string method)
{
if (status < 0)
{
string errorText;
Canlib.canGetErrorText(status, out errorText);
Debug.WriteLine(method + " failed: " + errorText);
}
}
/*
* Updates the status bar, prints error message if something goes wrong
*/
private void CheckStatus(String action, Canlib.canStatus status)
{
if (status != Canlib.canStatus.canOK)
{
String errorText = "";
Canlib.canGetErrorText(status, out errorText);
statusText.Text = action + " failed: " + errorText;
}
else
{
statusText.Text = action + " succeeded";
}
}
private void CheckStatus(String action, Canlib.canStatus status)
{
if (status != Canlib.canStatus.canOK)
{
String errorText = "";
Canlib.canGetErrorText(status, out errorText);
ECULog.Info(action + " failed: " + errorText);
}
else
{
ECULog.Info(action + " succeeded");
}
}
static private void ErrorControl(int handle = 1, Canlib.canStatus status = Canlib.canStatus.canOK, string location = "\0")
{
if (handle < 0)
{
//get the error message
Canlib.canGetErrorText((Canlib.canStatus)handle, out string msg);
//write the error message and the location it occurred.
Console.WriteLine("Handle error: " + msg + " \nThe location is: " + location);
//close this interface
Close();
}
if (status != Canlib.canStatus.canOK)
{
Console.WriteLine("A Can operation has failed: " + location);
System.Windows.Forms.MessageBox.Show("A Can operation has failed: " + location, "Error",
System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Error);
}
}
public KvaserCAN(MainWindow wnd) //public constructor
{
this.wnd = wnd;
Canlib.canInitializeLibrary();
hcan = Canlib.canOpenChannel(channel, Canlib.canOPEN_REQUIRE_INIT_ACCESS);
if (hcan < 0)
{
string error;
Canlib.canGetErrorText((Canlib.canStatus)hcan, out error);
send2Terminal(error);
}
else
{
Canlib.canSetBusParams(hcan, bitr, 0, 0, 0, 0, 0); //parameters set by dafault based on bitr
Canlib.canBusOn(hcan);
send2Terminal("Can liin avatud");
//DumpMessageLoop(hcan);
}
}