#include "lolevel.h"
#include "platform.h"
#include "keyboard.h"
#include "kbd_common.h"

long kbd_new_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
long kbd_prev_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };
long kbd_mod_state[3] = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF };

extern void _GetKbdState(long*);
int get_usb_bit()
{
    long usb_physw[3];
    usb_physw[USB_IDX] = 0;
    _kbd_read_keys_r2(usb_physw);
    return(( usb_physw[USB_IDX] & USB_MASK)==USB_MASK);
}

KeyMap keymap[] = {
    // Order IS important. kbd_get_pressed_key will walk down this table
    // and take the first matching mask. Notice that KEY_SHOOT_HALF is
    // always pressed if KEY_SHOOT_FULL is.
    { 2, KEY_MENU            ,0x00000001 }, // Found @0xff3a2914, levent 0x09
    { 2, KEY_SET             ,0x00000002 }, // Found @0xff3a291c, levent 0x08
    { 2, KEY_ZOOM_IN         ,0x00000004 }, // Found @0xff3a2924, levent 0x02
    { 2, KEY_ZOOM_OUT        ,0x00000008 }, // Found @0xff3a292c, levent 0x03
    { 2, KEY_LEFT            ,0x00000010 }, // Found @0xff3a2934, levent 0x06
    { 2, KEY_RIGHT           ,0x00000020 }, // Found @0xff3a293c, levent 0x07
    { 2, KEY_DOWN            ,0x00000040 }, // Found @0xff3a2944, levent 0x05
    { 2, KEY_UP              ,0x00000080 }, // Found @0xff3a294c, levent 0x04
    { 2, KEY_SHOOT_FULL      ,0x00000300 }, // Found @0xff3a295c, levent 0x01
    { 2, KEY_SHOOT_FULL_ONLY ,0x00000200 }, // Found @0xff3a295c, levent 0x01
    { 2, KEY_SHOOT_HALF      ,0x00000100 }, // Found @0xff3a2954, levent 0x00
    { 2, KEY_PLAYBACK        ,0x00000400 }, // Found @0xff3a2964, levent 0x101
//    { 2, KEY_POWER           ,0x00000800 }, // Found @0xff3a296c, levent 0x100
    { 2, KEY_DISPLAY         ,0x00004000 }, // VIDEO button is used as DISPLAY button
    { 2, KEY_VIDEO           ,0x00004000 }, // Found @0xff3a297c, levent 0x1a
    { 0, 0, 0 }
};


long __attribute__((naked,noinline)) wrap_kbd_p1_f() {
	
	//D20 100b @0xff01e8c4
	asm volatile(
		"STMFD	SP!, {R1-R7,LR} \n"
		"MOV	R5, #0 \n"
		"BL		my_kbd_read_keys \n"	// pached
		"B		_kbd_p1_f_cont \n"
	);
	
	return 0; // shut up the compiler
}

void __attribute__((noinline)) mykbd_task() {
	while (physw_run) {
		_SleepTask(physw_sleep_delay);
		if (wrap_kbd_p1_f() == 1) {   // autorepeat ?
			_kbd_p2_f();
		}
	}

	_ExitTask();
}

void my_kbd_read_keys() {
    kbd_update_key_state();
    kbd_update_physw_bits();
}

void kbd_fetch_data(long *dst)
{
    _GetKbdState(dst);
    _kbd_read_keys_r2(dst);
}