GodMode9/source/hid.c

#include "hid.h"

u32 InputWait() {
    u32 pad_state_old = HID_STATE;
    while (true) {
        u32 pad_state = HID_STATE;
        if (!(~pad_state & BUTTON_ANY)) { // no buttons pressed
            pad_state_old = pad_state;
            continue;
        }
        if (pad_state == pad_state_old)
            continue;
        //Make sure the key is pressed
        u32 t_pressed = 0;
        for(; (t_pressed < 0x13000) && (pad_state == HID_STATE); t_pressed++);
        if (t_pressed >= 0x13000)
            return ~pad_state;
    }
}