07 POP-X2 Switch OK and SW1 Counter

#include <popx2.h>
int i=0;
void setup() {setTextSize(3);}
void loop() {
    if (sw1()&&sw_OK()){
        i=0;
    }
    else if (sw1()){
        i++;
        while(sw1());
    }
    else if (sw_OK()){
        i--;
        while(sw_OK());
    }
    glcd(1,0,"I=%d ",i);
}