How to attach a callback function to the arduino input pin

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Risith Ravisara
Risith Ravisara 2017-9-28
编辑： Risith Ravisara 2017-9-28
I have 9 led bulbs and 2 pushbutton(not gui button) 9 leds set to 2-10 pins as output. 2 pushbtn set to 12 and 13 as input.
when:
press 1st pushbtn ----> 1st led turn on.
press 2nd pushbtn ----> 2nd led blink forever.
again press 1st pushbtn ----> 3rd led trun on.
again press 2nd pushbtn ----> 4th led blink forever.
again press 1st pushbtn ----> 5th led trun on.
likewise finally 5 leds turn on and 4 leds blink.
This is the task i want to do with matlab using arduino uno. (can't use mega board) I hope this can be done by callback function. but i dont know how to do it.

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