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36 lines
878 B
C
36 lines
878 B
C
// SPDX-License-Identifier: MIT
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//
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// Copyright (c) 2020 Antonio Niño Díaz
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#ifndef INPUT_H__
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#define INPUT_H__
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#include <stdint.h>
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#include "definitions.h"
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// Update keypad state.
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EXPORT_API void KEYS_Update(void);
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// Returns keys that have just been pressed.
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EXPORT_API uint16_t KEYS_Pressed(void);
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// Returns keys that are pressed.
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EXPORT_API uint16_t KEYS_Held(void);
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// Returns keys that have just been released.
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EXPORT_API uint16_t KEYS_Released(void);
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// Enable keypad interrupt that is triggered when all specified keys are pressed
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// at the same time.
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EXPORT_API void KEYS_IRQEnablePressedAll(uint16_t keys);
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// Enable keypad interrupt that is triggered when any of the specified keys is
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// pressed at any time.
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EXPORT_API void KEYS_IRQEnablePressedAny(uint16_t keys);
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// Disable keypad interrupt.
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EXPORT_API void KEYS_IRQDisable(void);
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#endif // INPUT_H__
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