[Core] Optimize matrix processing (#7621)
Backport of tmk/tmk_keyboard@ad6059adc7
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1 changed files with 5 additions and 4 deletions
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@ -297,13 +297,14 @@ void keyboard_task(void) {
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}
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#endif
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if (debug_matrix) matrix_print();
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for (uint8_t c = 0; c < MATRIX_COLS; c++) {
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if (matrix_change & ((matrix_row_t)1 << c)) {
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matrix_row_t col_mask = 1;
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for (uint8_t c = 0; c < MATRIX_COLS; c++, col_mask <<= 1) {
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if (matrix_change & col_mask) {
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action_exec((keyevent_t){
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.key = (keypos_t){.row = r, .col = c}, .pressed = (matrix_row & ((matrix_row_t)1 << c)), .time = (timer_read() | 1) /* time should not be 0 */
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.key = (keypos_t){.row = r, .col = c}, .pressed = (matrix_row & col_mask), .time = (timer_read() | 1) /* time should not be 0 */
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});
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// record a processed key
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matrix_prev[r] ^= ((matrix_row_t)1 << c);
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matrix_prev[r] ^= col_mask;
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#ifdef QMK_KEYS_PER_SCAN
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// only jump out if we have processed "enough" keys.
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if (++keys_processed >= QMK_KEYS_PER_SCAN)
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