run time improvment

Projects Programming
1

what takes more time for the Arduino to process:

this

if(text != "")
             text = "";

or this?

 text = "";
2

Which takes longer depends on whether the test succeeds, or not.

Far faster would be to quit f**king around with Strings, which you are obviously using, as that is NOT how to compare strings.

3

PaulS:
Which takes longer depends on whether the test succeeds, or not.

Far faster would be to quit f**king around with Strings, which you are obviously using, as that is NOT how to compare strings.

So will it be faster to compare the two strings with string::compare?

4

No, use character arrays.

Forget that String (capital S) exists on an Arduino. It might cause unexpected behaviour.

5

sterretje:
No, use character arrays.

Forget that String (capital S) exists on an Arduino. It might cause unexpected behaviour.

but it's not ideal for me because I don't know how many characters suppose to be on the string and arrays has constant size

7

Delta_G:
You have to size the array for the largest possible string. The null terminator tells where the actual string ends.

I think that the most ideal solution for this problem is using a dynamic memory allocated list.
But it's not really necessary for my project.
Not only that, this solution consumes a lot of RAM memory.