Files
squeezelite-esp32/components/services/buttons.h
2020-02-05 00:17:48 -08:00

45 lines
1.8 KiB
C

/*
* (c) Philippe G. 2019, philippe_44@outlook.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#pragma once
// button type (pressed = LOW or HIGH, matches GPIO level)
#define BUTTON_LOW 0
#define BUTTON_HIGH 1
typedef enum { BUTTON_PRESSED, BUTTON_RELEASED } button_event_e;
typedef enum { BUTTON_NORMAL, BUTTON_SHIFTED } button_press_e;
typedef void (*button_handler)(void *id, button_event_e event, button_press_e mode, bool long_press);
/*
set debounce to 0 for default (50ms)
set long_press to 0 for no long-press
set shifter_gpio to -1 for no shift
NOTE: shifter buttons *must* be created before shiftee
*/
void button_create(void *client, int gpio, int type, bool pull, int debounce, button_handler handler, int long_press, int shifter_gpio);
void *button_remap(void *client, int gpio, button_handler handler, int long_press, int shifter_gpio);
void *button_get_client(int gpio);
bool button_is_pressed(int gpio, void *client);
typedef enum { ROTARY_LEFT, ROTARY_RIGHT, ROTARY_PRESSED, ROTARY_RELEASED } rotary_event_e;
typedef void (*rotary_handler)(void *id, rotary_event_e event, bool long_press);
bool create_rotary(void *id, int A, int B, int SW, int long_press, rotary_handler handler);