mbed_example / Mbed OS InterruptIn_ex_1

Additional InterruptIn example

main.cpp

Committer:
sarahmarshy
Date:
2017-06-23
Revision:
1:49002ccc54b5
Parent:
0:8c7b073576c5

File content as of revision 1:49002ccc54b5:

#include "mbed.h"

class Counter {
public:
    Counter(PinName pin) : _interrupt(pin) {        // create the InterruptIn on the pin specified to Counter
        _interrupt.rise(callback(this, &Counter::increment)); // attach increment function of this counter instance
    }

    void increment() {
        _count++;
    }

    int read() {
        return _count;
    }

private:
    InterruptIn _interrupt;
    volatile int _count;
};

Counter counter(SW2);

int main() {
    while(1) {
        printf("Count so far: %d\n", counter.read());
        wait(2);
    }
}