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Setting a timer callback within a class

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Setting a timer callback within a class Empty Setting a timer callback within a class

Post  meteors Sat Jan 03, 2009 2:07 pm

Hi,

I have emebdded an SIO2timer inside a class. I'm using this code in my class constructor:

sio2TimerCreate(wobble_timer, sio2->_SIO2window, wobble, WOBBLE_TIMER_INCREMENT);




Then I have the callback defined as:

void MyClass::wobble(void *){

printf("calling\n");
}



XCode gives me this error:

template.mm:859: error: argument of type 'void (MyClass:Smile(void*)' does not match 'void (*)(void*)'




Thanks in advance,
-joshua
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meteors

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Setting a timer callback within a class Empty Re: Setting a timer callback within a class

Post  sio2interactive Sat Jan 03, 2009 4:27 pm

I think that the error message that XCode give you is pretty self explanatory... Wink your function have to fit the following type: typedef void( SIO2timercallback( void * ) );

If you want to put this in a class you should do something like this:

Code:

class MyClass
{
public:
SIO2timercallback *_SIO2timercallback;


}


Then assign a void function( void * ) to it...

Code:

void wobble( void *_ptr )
{

}

_SIO2timercallback = wobble;
sio2TimerCreate(wobble_timer, sio2->_SIO2window, myobject->_SIO2timercallback, WOBBLE_TIMER_INCREMENT);

or directly:

sio2TimerCreate(wobble_timer, sio2->_SIO2window, mobble, WOBBLE_TIMER_INCREMENT);
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