void InitP0_14(){
    PINSEL0 &= ~((1 << (2*14)) | (1 << (2*14+1)));    //already set to GPIO by default
    IODIR0 &= ~_BIT(14);
}

int main(void){
    printf_init();
    InitP0_14();
    while(TRUE){
        if ((IOPIN0 & (1<<14)) == 0){ // o== wcisniety
            simplePrintf("Pressed");
        } else {//puszczony
            simplePrintf("Released");
        }
    }
}