diff options
author | tmk <nobody@nowhere> | 2011-02-21 15:43:17 +0900 |
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committer | tmk <nobody@nowhere> | 2011-02-22 03:09:14 +0900 |
commit | fb8d23c60c757d5d9c2270cb0123a53be2049a28 (patch) | |
tree | 2f5d695f9d501468dc83f4861e7367cdf905ed3f /matrix.h | |
parent | 47f5d8b545eec12ca74d8e7048bb5daa290d937e (diff) |
integrate V-USB support into ps2_usb
Diffstat (limited to 'matrix.h')
-rw-r--r-- | matrix.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/matrix.h b/matrix.h new file mode 100644 index 0000000000..1bcd0915fe --- /dev/null +++ b/matrix.h @@ -0,0 +1,32 @@ +#ifndef MATRIX_H +#define MATRIX_H + +#include <stdbool.h> + +/* number of matrix rows */ +uint8_t matrix_rows(void); +/* number of matrix columns */ +uint8_t matrix_cols(void); +/* intialize matrix for scaning. should be called once. */ +void matrix_init(void); +/* scan all key states on matrix */ +uint8_t matrix_scan(void); +/* whether modified from previous scan. used after matrix_scan. */ +bool matrix_is_modified(void); +/* whether ghosting occur on matrix. */ +bool matrix_has_ghost(void); +/* whether a swtich is on */ +bool matrix_is_on(uint8_t row, uint8_t col); +/* matrix state on row */ +#if (MATRIX_COLS <= 8) +uint8_t matrix_get_row(uint8_t row); +#else +uint16_t matrix_get_row(uint8_t row); +#endif +/* count keys pressed */ +uint8_t matrix_key_count(void); +/* print matrix for debug */ +void matrix_print(void); + + +#endif |