Which is of non class type arduino

First is dynamic casting :. The other method is to overload the. You're still storing them internally as Stream objects in all cases, but within the begin function itself you also have them available as their child classes. It does mean you have duplicate code copied between the different versions of begin. You've confused the compiler by making it think that esp is a function that takes no arguments and returns a Esp But the no-argument constructor is called by default, so you don't need the parens there regardless.

Majenko is quite right, you need to rework for the Leonardo. My example using references can reduce down to this now:. By storing a Stream type you can still print to them, however you need to initialize in setup , not in the begin function, which now becomes redundant.

Sign up to join this community. The best answers are voted up and rise to the top. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Learn more. Request for member is Non-class type Ask Question. Asked 6 years, 2 months ago. Active 6 years, 2 months ago. Viewed 9k times.

Im getting this error: iotHook. Improve this question. Remove the brackets from your constructor. No, what Ignacio says. The constructor in your sketch. Add a comment. Active Oldest Votes. I am programming uno for a motor controller. Below is the code I have used. It shows be errors as given below in two different usages. It's in the code you didn't post. We need to see the source file for the Motor class and the sketch that tries to use the Motor class.

Thanks for the responses. Please find below complete code attached. The errors still remain the same. By convention, the name of the class in the file is the same as the name of the file. Now the last question is, how does arduino compile? Does it not pull all the files into a single file before compilation of main. The Motor. Thanks for the response and apologies for not posting the code as it was.

I just wanted to make it simpler for guys who take time to answer me. Hence I pulled out the code and pasted it here. That should be OK for me. I will add those constants in the main file. Apologies again if I have wasted your time. I always try to make sure the questions are asked in a way that it is easier for others to follow, but finally mess up.

Using this we can do something like this. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Asked 12 years, 6 months ago.

Active 1 year, 6 months ago. Viewed k times. Foo foo1 1 ; foo1. Foo foo2 ; foo2. I get the following error: nonclass.

Improve this question. Add a comment. Active Oldest Votes. Foo foo2 ; change to Foo foo2; You get the error because compiler thinks of Foo foo2 as of function declaration with name 'foo2' and the return type 'Foo'. Improve this answer. Edward Karak Mykola Golubyev Mykola Golubyev I don't understand why the compiler thinks : Foo foo2 as of function declaration, inside the main function.

Apparently I've landed on this answer before since I can not upvote it again!