2 * Gamepad style buttons connected to IRQ/GPIO lines
4 * Copyright (c) 2007 CodeSourcery.
5 * Written by Paul Brook
7 * This code is licenced under the GPL.
20 gamepad_button *buttons;
25 static void stellaris_gamepad_put_key(void * opaque, int keycode)
27 gamepad_state *s = (gamepad_state *)opaque;
31 if (keycode == 0xe0 && !s->extension) {
36 down = (keycode & 0x80) == 0;
37 keycode = (keycode & 0x7f) | s->extension;
39 for (i = 0; i < s->num_buttons; i++) {
40 if (s->buttons[i].keycode == keycode
41 && s->buttons[i].pressed != down) {
42 s->buttons[i].pressed = down;
43 qemu_set_irq(s->buttons[i].irq, down);
50 /* Returns an array 5 ouput slots. */
51 void stellaris_gamepad_init(int n, qemu_irq *irq, const int *keycode)
56 s = (gamepad_state *)qemu_mallocz(sizeof (gamepad_state));
57 s->buttons = (gamepad_button *)qemu_mallocz(n * sizeof (gamepad_button));
58 for (i = 0; i < n; i++) {
59 s->buttons[i].irq = irq[i];
60 s->buttons[i].keycode = keycode[i];
63 qemu_add_kbd_event_handler(stellaris_gamepad_put_key, s);