55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
/**
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MIT License
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Copyright (c) 2025 Benjamin Wiegand
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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IN THE SOFTWARE.
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*/
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#define BUTTON_DEBOUNCE_THRESHOLD 1000 // min delay in microseconds from button up/down transition to event firing
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#define BUTTON_REPEAT_INTERVAL 50000 // in microseconds
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#define BUTTON_REPEAT_DELAY 1000000 // in microseconds
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enum button_event {
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BUTTON_UP,
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BUTTON_DOWN,
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BUTTON_DOWN_REPEAT
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};
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typedef enum button_event button_event_t;
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enum button_func {
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BUTTON_NAV_UP,
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BUTTON_SELECT,
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BUTTON_NAV_DOWN,
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BUTTON_FUNCTIONS
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};
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typedef enum button_func button_func_t;
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typedef void (*button_callback_t)(button_func_t function, button_event_t event);
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button_event_t button_get_state(button_func_t function);
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void button_set_callback(button_callback_t callback);
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void init_button();
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