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@ -39,6 +39,7 @@ No further inputs are accepted until DEBOUNCE milliseconds have occurred.
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static debounce_counter_t *debounce_counters;
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static bool counters_need_update;
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static bool matrix_need_update;
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#define DEBOUNCE_ELAPSED 251
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#define MAX_DEBOUNCE (DEBOUNCE_ELAPSED - 1)
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@ -63,7 +64,7 @@ void debounce(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, bool
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update_debounce_counters(num_rows, current_time);
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}
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if (changed) {
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if (changed || matrix_need_update) {
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transfer_matrix_values(raw, cooked, num_rows, current_time);
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}
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}
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@ -88,16 +89,21 @@ void update_debounce_counters(uint8_t num_rows, uint8_t current_time) {
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// upload from raw_matrix to final matrix;
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void transfer_matrix_values(matrix_row_t raw[], matrix_row_t cooked[], uint8_t num_rows, uint8_t current_time) {
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matrix_need_update = false;
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debounce_counter_t *debounce_pointer = debounce_counters;
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for (uint8_t row = 0; row < num_rows; row++) {
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matrix_row_t delta = raw[row] ^ cooked[row];
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matrix_row_t existing_row = cooked[row];
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for (uint8_t col = 0; col < MATRIX_COLS; col++) {
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matrix_row_t col_mask = (ROW_SHIFTER << col);
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if ((delta & col_mask) && *debounce_pointer == DEBOUNCE_ELAPSED) {
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*debounce_pointer = current_time;
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counters_need_update = true;
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existing_row ^= col_mask; // flip the bit.
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if (delta & col_mask) {
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if (*debounce_pointer == DEBOUNCE_ELAPSED) {
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*debounce_pointer = current_time;
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counters_need_update = true;
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existing_row ^= col_mask; // flip the bit.
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} else {
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matrix_need_update = true;
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}
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}
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debounce_pointer++;
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}
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