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https://github.com/sle118/squeezelite-esp32.git
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42 lines
1.6 KiB
C
42 lines
1.6 KiB
C
/*
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* (c) Philippe G. 2019, philippe_44@outlook.com
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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// button type (pressed = LOW or HIGH)
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#define BUTTON_LOW 0
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#define BUTTON_HIGH 1
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typedef enum { BUTTON_PRESSED, BUTTON_RELEASED } button_event_e;
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typedef enum { BUTTON_NORMAL, BUTTON_LONG, BUTTON_SHIFTED } button_press_e;
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typedef void (*button_handler)(button_event_e event, button_press_e mode);
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/*
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a button might have variable functions
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- "long", <long_handler>, <duration_in_ms>
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- "shift", <shift_handler>, <shifter_gpio>
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button_create(2, BUTTON_LOW, true, handler, NULL);
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button_create(5, BUTTON_HIGH, true, handler, "long", long_handler, 2000, NULL);
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button_create(6, BUTTON_LOW, true, handler, "shift", shift_handler, 5, NULL);
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button_create(6, BUTTON_HIGH, true, handler, "long", long_handler, 2000, "shift", shift_handler, 5);
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NOTE: shifter buttons *must* be created before shiftee
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*/
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void button_create(int gpio, int type, bool pull, button_handler handler, ...); |