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author | Jeremiah <barrar@users.noreply.github.com> | 2017-05-13 19:07:05 -0700 |
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committer | Jeremiah <barrar@users.noreply.github.com> | 2017-05-13 19:07:05 -0700 |
commit | 63d9698d5c7a088b2eb8220a9a44c8adbca86326 (patch) | |
tree | 163bed69e4f9f2467406aa52eefd684ab8bb4a84 /tmk_core | |
parent | 37f6f92765513cd66c92178f48785d492eb06b89 (diff) | |
download | qmk_firmware-63d9698d5c7a088b2eb8220a9a44c8adbca86326.tar.gz |
faster and less bits... again
Diffstat (limited to 'tmk_core')
-rw-r--r-- | tmk_core/common/keyboard.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/tmk_core/common/keyboard.c b/tmk_core/common/keyboard.c index d8b5dc403..fa17ffca2 100644 --- a/tmk_core/common/keyboard.c +++ b/tmk_core/common/keyboard.c @@ -74,20 +74,19 @@ static matrix_row_t get_real_keys(uint8_t row, matrix_row_t rowdata){ return out; } - -static inline bool countones(matrix_row_t data) +static inline bool countones(matrix_row_t row) { int count = 0; - for (int col = 0; col < MATRIX_COLS; col++) { - if (data & (1<<col)){ - count++; - } + while (row > 0){ + count += 1; + row &= row-1; } if (count > 1){ return true; } return false; } + static inline bool has_ghost_in_row(uint8_t row, matrix_row_t rowdata) { rowdata = get_real_keys(row, rowdata); |