35 lines
812 B
C
35 lines
812 B
C
#ifndef _INTERNALS_KEYBOARD_H
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#define _INTERNALS_KEYBOARD_H 1
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#include <keyboard.h>
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// Keyboard variables.
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extern volatile unsigned char keyboard_state[10];
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extern volatile int interrupt_flag;
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// Key statistics.
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extern int repeat_first, repeat_next;
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extern int last_key, last_repeats, last_events;
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/*
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sleep()
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Puts the CPU into sleep until an interrupt request is accepted.
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*/
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void sleep(void);
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/*
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getPressedKey()
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Finds a pressed key in the keyboard state and returns it.
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*/
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int getPressedKey(volatile unsigned char *keyboard_state);
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/*
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getPressedKeys()
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Find 'count' pressed keys in the keyboard state and fills the 'keys'
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array. Returns the number of actually-pressed keys found.
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*/
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int getPressedKeys(volatile unsigned char *keyboard_state, int *keys,
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int count);
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#endif // _INTERNALS_KEYBOARD_H
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