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  VS Arduino › Visual Micro › General Board › Sketch compiles on Arduino IDE but fails with strange error on Visual Studio IDE
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Normal Topic Sketch compiles on Arduino IDE but fails with strange error on Visual Studio IDE (Read 2646 times)
Carlos Maia
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Sketch compiles on Arduino IDE but fails with strange error on Visual Studio IDE
Nov 23rd, 2017 at 2:49pm
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I have reduced a problem identified on a (long) sketch from a friend to the following example:

class AnyClass
{
public:
    int i;
    char a;
};

void AnyFunc(AnyClass x)
{
    int j;

    j = x.i;
}

void setup()
{

  /* add setup code here */

}

void loop()
{

    /* add main program code here */
    AnyClass y;
    AnyFunc(y);

}

This example doesn't do nothing usefull, but ilustrates  the problem. When compiled in Arduino IDE it will succeed; if compiled in Visual Studio IDE it will result in error. The behaviour is identical for a Arduino Nano board or for a ESP8266 board. The same using Visual Studio 2015 or Visual Studio 2017. It may have something different in the way the toolchain is invoked between the two IDE. I don´t know the reason, eventually it will be something that you may want to investigate.

Best regards

Carlos Maia
  
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Tim@Visual Micro
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Re: Sketch compiles on Arduino IDE but fails with strange error on Visual Studio IDE
Reply #1 - Nov 23rd, 2017 at 6:32pm
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The arduino ide has a relatively new feature that inserts c++ prototypes into a more accurate location than it used too. Visual Micro still inserts at the beginning of the code.

You can either put your type/class definition in a .h file and then #include it or add the prototype yourself...

Code
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//types
class AnyClass
{
public:
    int i;
    char a;
};

//prototypes
void AnyFunc(AnyClass x);

//methods
void AnyFunc(AnyClass x)
{
    int j;
  
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Carlos Maia
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Re: Sketch compiles on Arduino IDE but fails with strange error on Visual Studio IDE
Reply #2 - Nov 24th, 2017 at 10:24am
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Thank you for the information, it solved the problem.

Best regards

Carlos Maia
  
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