/*
 * Copyright (C) 2023 Daniele Lacamera <root@danielinux.net>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef BUTTON_H_INCLUDED
#define BUTTON_H_INCLUDED


void input_setup(void);
int input_get_swl(void);
int input_get_swr(void);

#define N_BUTTONS 13
#define BUTTON_DPADL    0
#define BUTTON_DPADU    1
#define BUTTON_DPADR    2
#define BUTTON_DPADD    3
#define BUTTON_OK       4
#define BUTTON_BACK     5
#define BUTTON_REPEAT   6
#define BUTTON_DEL      7
#define BUTTON_TPREV    8
#define BUTTON_TNEXT    9
#define BUTTON_PLUS     10
#define BUTTON_MINUS    11
#define TOUCHSCREEN     12

#define TS_TOUCH_NONE     0
#define TS_TOUCH_DETECTED 1
#define TS_TOUCH_INPUT    2

int input_detect_touch(void);

struct user_button 
{
    int pressed;
    uint32_t transition_start_timestamp;
};

struct input_status 
{
    /* State switches */
    int sw_play, sw_rec;
    /* Trimmers */
    uint32_t pot_l, pot_r;
    /* Buttons */
    struct user_button b[N_BUTTONS];
    struct ts_touch_info {
        uint32_t X,Y;
    } ts;
    uint32_t start_touch;
    int touching;
};


extern struct input_status Input_status;

#endif