Add Dip Switch as a core feature (#6140)

* Add Dip Switches as a core feature

* Add documentation for Dip Switch feature

* Update Preonic Rev3 to use new feature and remove custom matrix

* Apply suggestions from code review

Co-Authored-By: noroadsleft <18669334+noroadsleft@users.noreply.github.com>

* Remove custom matrix line completely

Rather than just disabling it

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* DIP changes

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Use better check for DIP Switch configuration

* Add to show features

* Add bitmask callback for dip switch

* Fix OLKB Boards dip switch config

* Update docs to include bitmask example

* Fix comments/documentation

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Fix issues with docs and use example from @tuzonghua

* Fix wording

Co-Authored-By: fauxpark <fauxpark@gmail.com>

* Fix example to use proper formatting

Bad, BAAAAAAD drashna!!!

* Handle dip switch initialization better

1 files changed, 10 insertions, 0 deletions

diff --git a/keyboards/planck/rev6/rev6.c b/keyboards/planck/rev6/rev6.c
index 650e1a194..8f4d168bf 100644
--- a/keyboards/planck/rev6/rev6.c
+++ b/keyboards/planck/rev6/rev6.c
@@ -22,3 +22,13 @@ void matrix_init_kb(void) {
 void matrix_scan_kb(void) {
         matrix_scan_user();
 }
+
+#ifdef DIP_SWITCH_ENABLE
+__attribute__((weak))
+void dip_update(uint8_t index, bool active) {}
+
+__attribute__((weak))
+void dip_switch_update_user(uint8_t index, bool active) {
+    dip_update(index, active);
+}
+#endif