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29 lines
728 B
C
29 lines
728 B
C
#ifndef MATRIX_SKEL_H
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#define MATRIX_SKEL_H 1
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#include <stdbool.h>
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/* number of matrix rows */
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int matrix_rows(void);
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/* number of matrix columns */
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int matrix_cols(void);
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/* intialize matrix for scaning. should be called once. */
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void matrix_init(void);
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/* scan all key states on matrix */
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int matrix_scan(void);
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/* whether modified from previous scan. used after matrix_scan. */
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bool matrix_is_modified(void);
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/* whether ghosting occur on matrix. */
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bool matrix_has_ghost(void);
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/* whether a swtich is on */
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bool matrix_is_on(int row, int col);
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/* matrix state on row */
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uint16_t matrix_get_row(int row);
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/* count keys pressed */
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int matrix_key_count(void);
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/* print matrix for debug */
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void matrix_print(void);
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#endif
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