uint8_t matrix_scan(void) {
static matrix_row_t debouncing_matrix[MATRIX_ROWS];
for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
toggle_row(r);
matrix_row_t state = read_cols();
if (debouncing_matrix[r] != state) {
debouncing_matrix[r] = state;
debouncing_delay = DEBOUNCING_DELAY;
}
toggle_row(r);
}
if (debouncing_delay >= 0) {
dprintf("Debouncing delay remaining: %X\n", debouncing_delay);
--debouncing_delay;
if (debouncing_delay >= 0) {
wait_ms(1);
}
else {
for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
matrix[r] = debouncing_matrix[r];
}
}
}
matrix_scan_quantum();
return 1;
}
void matrix_init(void) {
/* frees PORTF by setting the JTD bit twice within four cycles */
#ifdef __AVR_ATmega32U4__
MCUCR |= _BV(JTD);
MCUCR |= _BV(JTD);
#endif
/* initializes the I/O pins */
#if DIODE_DIRECTION == COL2ROW
for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
/* DDRxn */
_SFR_IO8((row_pins[r] >> 4) + 1) |= _BV(row_pins[r] & 0xF);
toggle_row(r);
}
for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
/* PORTxn */
_SFR_IO8((col_pins[c] >> 4) + 2) |= _BV(col_pins[c] & 0xF);
}
#else
for (int8_t c = MATRIX_COLS - 1; c >= 0; --c) {
/* DDRxn */
_SFR_IO8((col_pins[c] >> 4) + 1) |= _BV(col_pins[c] & 0xF);
toggle_col(c);
}
for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
/* PORTxn */
_SFR_IO8((row_pins[r] >> 4) + 2) |= _BV(row_pins[r] & 0xF);
}
#endif
matrix_init_quantum();
}
static void
update_filter_model (GtkCellRendererToggle *cell_renderer_toggle,
const gchar *path,
EventLog *log)
{
GtkTreeIter iter;
GtkTreeModel *model = GTK_TREE_MODEL (log->filters);
if (!gtk_tree_model_get_iter_from_string (model, &iter, path))
return;
if (gtk_tree_model_iter_has_child (model, &iter))
clobber_with_children (model, &iter, !get_row_state (model, &iter));
else
toggle_row (model, &iter);
}
static void
clobber_with_children (GtkTreeModel *model, GtkTreeIter *iter,
gboolean new_state)
{
GtkTreeIter child;
if (iter)
if (get_row_state (model, iter) != new_state)
toggle_row (model, iter);
if (gtk_tree_model_iter_children (model, &child, iter)) {
do {
clobber_with_children (model, &child, new_state);
} while (gtk_tree_model_iter_next (model, &child));
}
}
