Provide a mechanism for split keyboards to process key press on both halves (#9001)

docs/index.html

@@ -32,7 +32,7 @@
 
         // Moved pages
         '/adding_a_keyboard_to_qmk': '/hardware_keyboard_guidelines',
-        '/build_environment_setup': '/getting_started_build_tools',
+        '/build_environment_setup': '/newbs_getting_started',
         '/cli_dev_configuration': '/cli_configuration',
         '/dynamic_macros': '/feature_dynamic_macros',
         '/feature_common_shortcuts': '/feature_advanced_keycodes',
@@ -45,6 +45,7 @@
         '/tap_dance': '/feature_tap_dance',
         '/unicode': '/feature_unicode',
         '/python_development': '/cli_development',
+        '/getting_started_build_tools':'/newbs_getting_started',
       },
       basePath: '/',
       name: 'QMK Firmware',

keyboards/xd75/keymaps/buzzlighter1/readme.md

@@ -1,15 +1,14 @@
 # XD75 with 7U spacebar for EN-RU gamers
+ * Standard QWERTY made for gamers with a Russian alternative input.
+ * The keys for extra letters in RU alphabet are where they are expected.
+ * Full 2x4 nav cluster.
+ * Volume/mute control are on base layer, Win key is on function layer.
+ * FN_CAPS provides fast F-keys access while gaming. Lefthanded Numpad operation.
+ * NKRO is on (forced).
 
-Standard QWERTY made for gamers with a Russian alternative input.
+## Layout
-The keys for extra letters in RU alphabet are where they are expected.
-Full 2x4 nav cluster. 
-Volume/mute control are on base layer, Win key is on function layer.
-FN_CAPS provides fast F-keys access while gaming. Lefthanded Numpad operation.
-NKRO is working (forced).
-
-## QWERTY
-
 ```c
+/* QWERTY
  * .--------------------------------------------------------------------------------------------------------------------------------------.
  * | GESC   | 1      | 2      | 3      | 4      | 5      | 6      | 7      | 8      | 9      | 0      | -      | =      | Del    | BACKSP |
  * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+-----------------|
@@ -21,12 +20,10 @@ NKRO is working (forced).
  * |--------+--------+--------+--------+--------+-----------------+--------+--------+--------+--------+-----------------+--------+--------|
  * | LCTRL  | Del    | ENTER  | LALT   |                             SPACE                            | End    | LEFT   | DOWN   | RIGHT  |
  * '--------------------------------------------------------------------------------------------------------------------------------------'
-
+ */
 ```
-
-## FUNCTION
-
 ```c
+/* FUNCTION
  * .--------------------------------------------------------------------------------------------------------------------------------------.
  * | XXXXXXX| F1     | F2     | F3     | F4     | F5     | F6     | F7     | F8     | F9     | F10    | F11    | F12    | _______| _______|
  * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
@@ -38,10 +35,20 @@ NKRO is working (forced).
  * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
  * | _______| P0     | P.     | PENT   |                             SPACE                            | BL_TOGG| RGB TG | RGB RMD| RGB MD |
  * '--------------------------------------------------------------------------------------------------------------------------------------'
+ */
 ```
-
+## LEDs
-
-## LEDs ID
-
 Top left LED - Function layer active.
 Mid left LED - CapsLock active.
+
+## Compile
+
+go to qmk top directory.
+```
+$ cd qmk_firmware
+```
+
+build
+```
+$ make xd75:buzzlighter1
+```

tmk_core/common/keyboard.c

@@ -213,6 +213,13 @@ void keyboard_setup(void) {
  */
 __attribute__((weak)) bool is_keyboard_master(void) { return true; }
 
+/** \brief should_process_keypress
+ *
+ * Override this function if you have a condition where keypresses processing should change:
+ *   - splits where the slave side needs to process for rgb/oled functionality
+ */
+__attribute__((weak)) bool should_process_keypress(void) { return is_keyboard_master(); }
+
 /** \brief keyboard_init
  *
  * FIXME: needs doc
@@ -292,7 +299,7 @@ void keyboard_task(void) {
     matrix_scan();
 #endif
 
-    if (is_keyboard_master()) {
+    if (should_process_keypress()) {
         for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
             matrix_row    = matrix_get_row(r);
             matrix_change = matrix_row ^ matrix_prev[r];