VIA V3 - The Custom UI Update (#18222)

keyboards/cannonkeys/satisfaction75/config.h

@@ -82,9 +82,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // 6 for 3x custom encoder settings, left, right, and press (18 bytes)
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 21
 
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE
-
 /*
  * Feature disable options
  *  These options are also useful to firmware size reduction.

keyboards/cannonkeys/satisfaction75/satisfaction75.c

@@ -102,113 +102,142 @@ void backlight_set_value( uint8_t *data )
   }
 }
 
-void raw_hid_receive_kb( uint8_t *data, uint8_t length )
-{
-  uint8_t *command_id = &(data[0]);
-  uint8_t *command_data = &(data[1]);
-  switch ( *command_id )
-  {
-    case id_get_keyboard_value:
-    {
-            switch( command_data[0])
-            {
-                case id_oled_default_mode:
-                {
-                    uint8_t default_oled = eeprom_read_byte((uint8_t*)EEPROM_DEFAULT_OLED);
-                    command_data[1] = default_oled;
-                    break;
-                }
-                case id_oled_mode:
-                {
-                    command_data[1] = oled_mode;
-                    break;
-                }
-                case id_encoder_modes:
-                {
-                    command_data[1] = enabled_encoder_modes;
-                    break;
-                }
-                case id_encoder_custom:
-                {
-                    uint8_t custom_encoder_idx = command_data[1];
-                    uint16_t keycode = retrieve_custom_encoder_config(custom_encoder_idx, ENC_CUSTOM_CW);
-                    command_data[2] =  keycode >> 8;
-                    command_data[3] = keycode & 0xFF;
-                    keycode = retrieve_custom_encoder_config(custom_encoder_idx, ENC_CUSTOM_CCW);
-                    command_data[4] =  keycode >> 8;
-                    command_data[5] = keycode & 0xFF;
-                    keycode = retrieve_custom_encoder_config(custom_encoder_idx, ENC_CUSTOM_PRESS);
-                    command_data[6] =  keycode >> 8;
-                    command_data[7] = keycode & 0xFF;
-                    break;
-                }
-                default:
-                {
-                    *command_id = id_unhandled;
-                    break;
-                }
-            }
-      break;
-    }
-    case id_set_keyboard_value:
-    {
-      switch(command_data[0]){
+void custom_set_value(uint8_t *data) {
+    uint8_t *value_id = &(data[0]);
+    uint8_t *value_data = &(data[1]);
+    
+    switch ( *value_id ) {
         case id_oled_default_mode:
         {
-          eeprom_update_byte((uint8_t*)EEPROM_DEFAULT_OLED, command_data[1]);
-          break;
+            eeprom_update_byte((uint8_t*)EEPROM_DEFAULT_OLED, value_data[0]);
+            break;
         }
         case id_oled_mode:
         {
-          oled_mode = command_data[1];
-          oled_request_wakeup();
-          break;
+            oled_mode = value_data[0];
+            oled_request_wakeup();
+            break;
         }
         case id_encoder_modes:
         {
-          enabled_encoder_modes = command_data[1];
-          eeprom_update_byte((uint8_t*)EEPROM_ENABLED_ENCODER_MODES, enabled_encoder_modes);
-          break;
+            uint8_t index = value_data[0];
+            uint8_t enable = value_data[1];
+            enabled_encoder_modes = (enabled_encoder_modes & ~(1<<index)) | (enable<<index);
+            eeprom_update_byte((uint8_t*)EEPROM_ENABLED_ENCODER_MODES, enabled_encoder_modes);
+            break;
         }
         case id_encoder_custom:
         {
-          uint8_t custom_encoder_idx = command_data[1];
-          uint8_t encoder_behavior = command_data[2];
-          uint16_t keycode = (command_data[3] << 8) | command_data[4];
-          set_custom_encoder_config(custom_encoder_idx, encoder_behavior, keycode);
-          break;
+            uint8_t custom_encoder_idx = value_data[0];
+            uint8_t encoder_behavior = value_data[1];
+            uint16_t keycode = (value_data[2] << 8) | value_data[3];
+            set_custom_encoder_config(custom_encoder_idx, encoder_behavior, keycode);
+            break;
         }
-        default:
+    }
+}
+
+void custom_get_value(uint8_t *data) {
+    uint8_t *value_id = &(data[0]);
+    uint8_t *value_data = &(data[1]);
+    
+    switch ( *value_id ) {
+        case id_oled_default_mode:
         {
-          *command_id = id_unhandled;
-          break;
+            uint8_t default_oled = eeprom_read_byte((uint8_t*)EEPROM_DEFAULT_OLED);
+            value_data[0] = default_oled;
+            break;
+        }
+        case id_oled_mode:
+        {
+            value_data[0] = oled_mode;
+            break;
+        }
+        case id_encoder_modes:
+        {
+            uint8_t index = value_data[0];
+            value_data[1] = (enabled_encoder_modes & (1<<index)) ? 1 : 0;
+            break;
+        }
+        case id_encoder_custom:
+        {
+            uint8_t custom_encoder_idx = value_data[0];
+            uint8_t encoder_behavior = value_data[1];
+            uint16_t keycode = retrieve_custom_encoder_config(custom_encoder_idx, encoder_behavior);
+            value_data[2] = keycode >> 8;
+            value_data[3] = keycode & 0xFF;
+            break;
         }
-      }
-      break;
-    }
-    case id_lighting_set_value:
-    {
-      backlight_set_value(command_data);
-      break;
-    }
-    case id_lighting_get_value:
-    {
-      backlight_get_value(command_data);
-      break;
-    }
-    case id_lighting_save:
-    {
-      backlight_config_save();
-      break;
     }
-    default:
-    {
-      // Unhandled message.
-      *command_id = id_unhandled;
-      break;
+}
+
+// TODO
+// Refactor so this keyboard uses QMK Core backlight code,
+// then change this to via_custom_value_command_kb() so it
+// only handles the custom values not the backlight
+// (i.e. use QMK Core default handler for backlight values).
+//
+void via_custom_value_command(uint8_t *data, uint8_t length) {
+    uint8_t *command_id        = &(data[0]);
+    uint8_t *channel_id        = &(data[1]);
+    uint8_t *value_id_and_data = &(data[2]);
+
+    if ( *channel_id == id_qmk_backlight_channel ) {
+        switch ( *command_id )
+        {
+            case id_custom_set_value:
+            {
+                backlight_set_value(value_id_and_data);
+                break;
+            }
+            case id_custom_get_value:
+            {
+                backlight_get_value(value_id_and_data);
+                break;
+            }
+            case id_custom_save:
+            {
+                backlight_config_save();
+                break;
+            }
+            default:
+            {
+                // Unhandled message.
+                *command_id = id_unhandled;
+                break;
+            }
+        }
+    } else if ( *channel_id == id_custom_channel ) {
+        switch ( *command_id )
+        {
+            case id_custom_set_value:
+            {
+                custom_set_value(value_id_and_data);
+                break;
+            }
+            case id_custom_get_value:
+            {
+                custom_get_value(value_id_and_data);
+                break;
+            }
+            case id_custom_save:
+            {
+                // values are saved in custom_set_value()
+                break;
+            }
+            default:
+            {
+                // Unhandled message.
+                *command_id = id_unhandled;
+                break;
+            }
+        }
+        return;
     }
-  }
-  // DO NOT call raw_hid_send(data,length) here, let caller do this
+
+    *command_id = id_unhandled;
+
+    // DO NOT call raw_hid_send(data,length) here, let caller do this
 }
 #endif
 

keyboards/cannonkeys/satisfaction75/satisfaction75.h

@@ -30,8 +30,8 @@ enum my_keycodes {
   OLED_TOGG
 };
 
-enum s75_keyboard_value_id {
-  id_encoder_modes = 0x80,
+enum s75_custom_value_id {
+  id_encoder_modes = 1,
   id_oled_default_mode,
   id_encoder_custom,
   id_oled_mode

keyboards/durgod/dgk6x/config.h

@@ -130,7 +130,4 @@
 #    define ENABLE_RGB_MATRIX_SOLID_SPLASH
 #    define ENABLE_RGB_MATRIX_SOLID_MULTISPLASH
 
-// This allows VIA to control RGB Matrix settings in the 'Lighting' section.
-#define VIA_QMK_RGBLIGHT_ENABLE
-
 #endif /* RGB_MATRIX_ENABLE */

keyboards/frooastboard/walnut/keymaps/via/config.h

@@ -3,5 +3,4 @@
 
 #pragma once
 
-#define VIA_CUSTOM_LIGHTING_ENABLE
 #define DYNAMIC_KEYMAP_LAYER_COUNT 2

keyboards/frooastboard/walnut/keymaps/via/keymap.c

@@ -17,115 +17,4 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, RGB_TOG,
 		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,                            RGB_VAI,
 		KC_TRNS, GUI_TOG, KC_TRNS,                            KC_TRNS,                   KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,                   RGB_RMOD,RGB_VAD, RGB_MOD)
-};
-
-#if defined(RGB_MATRIX_ENABLE) && defined(VIA_CUSTOM_LIGHTING_ENABLE)
-
-// VIA supports only 4 discrete values for effect speed; map these to some
-// useful speed values for RGB Matrix.
-enum speed_values {
-    RGBLIGHT_SPEED_0 = UINT8_MAX / 16, // not 0 to avoid really slow effects
-    RGBLIGHT_SPEED_1 = UINT8_MAX / 4,
-    RGBLIGHT_SPEED_2 = UINT8_MAX / 2,     // matches the default value
-    RGBLIGHT_SPEED_3 = UINT8_MAX / 4 * 3, // UINT8_MAX is really fast
-};
-
-static uint8_t speed_from_rgblight(uint8_t rgblight_speed) {
-    switch (rgblight_speed) {
-        case 0:
-            return RGBLIGHT_SPEED_0;
-        case 1:
-            return RGBLIGHT_SPEED_1;
-        case 2:
-        default:
-            return RGBLIGHT_SPEED_2;
-        case 3:
-            return RGBLIGHT_SPEED_3;
-    }
-}
-
-static uint8_t speed_to_rgblight(uint8_t rgb_matrix_speed) {
-    if (rgb_matrix_speed < ((RGBLIGHT_SPEED_0 + RGBLIGHT_SPEED_1) / 2)) {
-        return 0;
-    } else if (rgb_matrix_speed < ((RGBLIGHT_SPEED_1 + RGBLIGHT_SPEED_2) / 2)) {
-        return 1;
-    } else if (rgb_matrix_speed < ((RGBLIGHT_SPEED_2 + RGBLIGHT_SPEED_3) / 2)) {
-        return 2;
-    } else {
-        return 3;
-    }
-}
-
-void via_qmk_rgblight_get_value(uint8_t *data) {
-    uint8_t *value_id   = &(data[0]);
-    uint8_t *value_data = &(data[1]);
-    switch (*value_id) {
-        case id_qmk_rgblight_brightness: {
-            value_data[0] = rgb_matrix_get_val();
-            break;
-        }
-        case id_qmk_rgblight_effect: {
-            value_data[0] = rgb_matrix_is_enabled() ? rgb_matrix_get_mode() : 0;
-            break;
-        }
-        case id_qmk_rgblight_effect_speed: {
-            value_data[0] = speed_to_rgblight(rgb_matrix_get_speed());
-            break;
-        }
-        case id_qmk_rgblight_color: {
-            value_data[0] = rgb_matrix_get_hue();
-            value_data[1] = rgb_matrix_get_sat();
-            break;
-        }
-    }
-}
-
-void via_qmk_rgblight_set_value(uint8_t *data) {
-    uint8_t *value_id   = &(data[0]);
-    uint8_t *value_data = &(data[1]);
-    switch (*value_id) {
-        case id_qmk_rgblight_brightness: {
-            rgb_matrix_sethsv_noeeprom(rgblight_get_hue(), rgblight_get_sat(), value_data[0]);
-            break;
-        }
-        case id_qmk_rgblight_effect: {
-            if (value_data[0] == 0) {
-                rgb_matrix_disable_noeeprom();
-            } else {
-                rgb_matrix_enable_noeeprom();
-                rgb_matrix_mode_noeeprom(value_data[0]);
-            }
-            break;
-        }
-        case id_qmk_rgblight_effect_speed: {
-            rgb_matrix_set_speed_noeeprom(speed_from_rgblight(value_data[0]));
-            break;
-        }
-        case id_qmk_rgblight_color: {
-            rgb_matrix_sethsv_noeeprom(value_data[0], value_data[1], rgblight_get_val());
-            break;
-        }
-    }
-}
-
-void raw_hid_receive_kb(uint8_t *data, uint8_t length) {
-    uint8_t *command_id   = &(data[0]);
-    uint8_t *command_data = &(data[1]);
-    switch (*command_id) {
-        case id_lighting_set_value:
-            via_qmk_rgblight_set_value(command_data);
-            break;
-        case id_lighting_get_value:
-            via_qmk_rgblight_get_value(command_data);
-            break;
-        case id_lighting_save:
-            eeconfig_update_rgb_matrix();
-            break;
-        default:
-            // Unhandled message.
-            *command_id = id_unhandled;
-            break;
-    }
-}
-
-#endif // defined(RGB_MATRIX_ENABLE) && defined(VIA_CUSTOM_LIGHTING_ENABLE)
+};

keyboards/geekboards/macropad_v2/keymaps/via/config.h

@@ -1,2 +0,0 @@
-#define DYNAMIC_KEYMAP_LAYER_COUNT 4
-#define VIA_QMK_RGBLIGHT_ENABLE

keyboards/horrortroll/handwired_k552/keymaps/via/config.h

@@ -17,7 +17,3 @@
 #pragma once
 
 #define DYNAMIC_KEYMAP_LAYER_COUNT 3
-
-#ifdef RGB_MATRIX_ENABLE
-    #define VIA_QMK_RGBLIGHT_ENABLE
-#endif

keyboards/hs60/v2/ansi/config.h

@@ -135,6 +135,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 32
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/hs60/v2/hhkb/config.h

@@ -135,6 +135,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 32
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/hs60/v2/iso/config.h

@@ -133,6 +133,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 32
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/keebio/iris/keymaps/via/rules.mk

@@ -1,3 +1,4 @@
 VIA_ENABLE = yes
 LTO_ENABLE = yes
 ENCODER_MAP_ENABLE = yes
+CONSOLE_ENABLE = no

keyboards/keebwerk/mega/ansi/config.h

@@ -133,6 +133,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 32
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/keychron/q1/config.h

@@ -43,11 +43,6 @@
 /* Disable RGB lighting when PC is in suspend */
 #define RGB_DISABLE_WHEN_USB_SUSPENDED
 
-/* Allow VIA to edit lighting */
-#ifdef VIA_ENABLE
-#define VIA_QMK_RGBLIGHT_ENABLE
-#endif
-
 // RGB Matrix Animation modes. Explicitly enabled
 // For full list of effects, see:
 // https://docs.qmk.fm/#/feature_rgb_matrix?id=rgb-matrix-effects
@@ -96,8 +91,3 @@
 #define ENABLE_RGB_MATRIX_MULTISPLASH
 #define ENABLE_RGB_MATRIX_SOLID_SPLASH
 #define ENABLE_RGB_MATRIX_SOLID_MULTISPLASH
-
-/* Allow VIA to edit lighting */
-#ifdef VIA_ENABLE
-#define VIA_QMK_RGBLIGHT_ENABLE
-#endif

keyboards/keychron/q2/config.h

@@ -110,8 +110,3 @@
 #define ENABLE_RGB_MATRIX_MULTISPLASH
 #define ENABLE_RGB_MATRIX_SOLID_SPLASH
 #define ENABLE_RGB_MATRIX_SOLID_MULTISPLASH
-
-/* Allow VIA to edit lighting */
-#ifdef VIA_ENABLE
-#    define VIA_QMK_RGBLIGHT_ENABLE
-#endif

keyboards/mechlovin/infinity875/keymaps/via/config.h

@@ -1,24 +0,0 @@
-/*
-Copyright 2021 Mechlovin' Studio
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#pragma once
-
-#ifdef RGB_MATRIX_ENABLE
-
-#define VIA_QMK_RGBLIGHT_ENABLE
-
-#endif

keyboards/ml/gas75/keymaps/via/config.h

@@ -1,23 +0,0 @@
-/* Copyright 2022 ML
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#define DYNAMIC_KEYMAP_LAYER_COUNT 2
-
-#ifdef RGB_MATRIX_ENABLE
-    #define VIA_QMK_RGBLIGHT_ENABLE
-#endif

keyboards/monstargear/xo87/rgb/keymaps/via/config.h

@@ -1,17 +0,0 @@
-/* Copyright 2021 datafx
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-#pragma once
-#define VIA_QMK_RGBLIGHT_ENABLE

keyboards/monstargear/xo87/solderable/keymaps/via/config.h

@@ -1,18 +0,0 @@
-/* Copyright 2021 datafx
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#pragma once
-#define VIA_QMK_RGBLIGHT_ENABLE

keyboards/mss_studio/m63_rgb/keymaps/via/config.h

@@ -18,7 +18,3 @@
 #pragma once
 
 #define DYNAMIC_KEYMAP_LAYER_COUNT 2
-
-#ifdef RGB_MATRIX_ENABLE
-    #define VIA_QMK_RGBLIGHT_ENABLE
-#endif

keyboards/novelkeys/nk65/config.h

@@ -134,9 +134,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 32
 
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE
-
 /* Custom EEPROM start addressing. This is to support
  * both 128kb and 256kb versions of F303.
  * Register 0x1FFFF7CC holds the size of the flash memory.

keyboards/novelkeys/nk87/config.h

@@ -134,6 +134,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 32
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/rgbkb/mun/keymaps/via/config.h

@@ -25,6 +25,4 @@
 #define DYNAMIC_KEYMAP_LAYER_COUNT 8
 #define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 2047
 
-#define VIA_QMK_RGBLIGHT_ENABLE
-
 #define STM32_ONBOARD_EEPROM_SIZE 2048

keyboards/rgbkb/sol3/keymaps/kageurufu/config.h

@@ -26,7 +26,5 @@
 #define DYNAMIC_KEYMAP_LAYER_COUNT 8
 #define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 2047
 
-#define VIA_QMK_RGBLIGHT_ENABLE
-
 #define STM32_ONBOARD_EEPROM_SIZE 2048
 

keyboards/rgbkb/sol3/keymaps/via/config.h

@@ -26,7 +26,5 @@
 #define DYNAMIC_KEYMAP_LAYER_COUNT 8
 #define DYNAMIC_KEYMAP_EEPROM_MAX_ADDR 2047
 
-#define VIA_QMK_RGBLIGHT_ENABLE
-
 #define STM32_ONBOARD_EEPROM_SIZE 2048
 

keyboards/spaceholdings/nebula12/config.h

@@ -174,7 +174,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 32
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE
-#define VIA_QMK_RGBLIGHT_ENABLE

keyboards/spaceholdings/nebula68/config.h

@@ -158,7 +158,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 32
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE
-#define VIA_QMK_RGBLIGHT_ENABLE

keyboards/spaceholdings/nebula68b/config.h

@@ -122,6 +122,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define ENABLE_RGB_MATRIX_MULTISPLASH
 #define ENABLE_RGB_MATRIX_SOLID_SPLASH
 #define ENABLE_RGB_MATRIX_SOLID_MULTISPLASH
-
-// // VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/spaceholdings/nebula68b/nebula68b.c

@@ -42,72 +42,3 @@ led_config_t g_led_config = { {
 // clang-format on
 #endif
 #endif
-
-#if defined(RGB_MATRIX_ENABLE) && defined(VIA_ENABLE)
-void raw_hid_receive_kb(uint8_t *data, uint8_t length) {
-    uint8_t *command_id = &(data[0]);
-    uint8_t *command_data = &(data[1]);
-    switch (*command_id) {
-        case id_lighting_set_value: {
-            uint8_t *value_id   = &(command_data[0]);
-            uint8_t *value_data = &(command_data[1]);
-            switch (*value_id) {
-                case id_qmk_rgblight_brightness: {
-                    rgb_matrix_sethsv_noeeprom(rgb_matrix_get_hue(), rgb_matrix_get_sat(), scale8(value_data[0], RGB_MATRIX_MAXIMUM_BRIGHTNESS));
-                    break;
-                }
-                case id_qmk_rgblight_effect: {
-                    rgb_matrix_mode_noeeprom(value_data[0]);
-                    if (value_data[0] == 0) {
-                        rgb_matrix_disable_noeeprom();
-                    } else {
-                        rgb_matrix_enable_noeeprom();
-                    }
-                    break;
-                }
-                case id_qmk_rgblight_effect_speed: {
-                    rgb_matrix_set_speed_noeeprom(value_data[0] * 85);
-                    break;
-                }
-                case id_qmk_rgblight_color: {
-                    rgb_matrix_sethsv_noeeprom(value_data[0], value_data[1], rgb_matrix_get_val());
-                    break;
-                }
-            }
-            break;
-        }
-        case id_lighting_get_value: {
-            uint8_t *value_id   = &(command_data[0]);
-            uint8_t *value_data = &(command_data[1]);
-            switch (*value_id) {
-                case id_qmk_rgblight_brightness: {
-                    value_data[0] = ((uint16_t)rgb_matrix_get_val() * 255) / RGB_MATRIX_MAXIMUM_BRIGHTNESS;
-                    break;
-                }
-                case id_qmk_rgblight_effect: {
-                    value_data[0] = rgb_matrix_get_mode();
-                    break;
-                }
-                case id_qmk_rgblight_effect_speed: {
-                    value_data[0] = rgb_matrix_get_speed() / 85;
-                    break;
-                }
-                case id_qmk_rgblight_color: {
-                    value_data[0] = rgb_matrix_get_hue();
-                    value_data[1] = rgb_matrix_get_sat();
-                    break;
-                }
-            }
-            break;
-        }
-        case id_lighting_save: {
-            eeconfig_update_rgb_matrix();
-            break;
-        }
-        default: {
-            *command_id         = id_unhandled;
-            break;
-        }
-    }
-}
-#endif

keyboards/tkc/portico/config.h

@@ -114,6 +114,4 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
 
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE
 #endif

keyboards/tkc/portico68v2/keymaps/via/config.h

@@ -1,19 +0,0 @@
-/*
-Copyright 2022 Terry Mathews
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#pragma once
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/tkc/portico68v2/keymaps/via/keymap.c

@@ -47,75 +47,3 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
         _______, _______, _______,                            _______,                            _______, _______, _______, _______, _______
     )
 };
-
-void via_qmk_rgblight_get_value(uint8_t *data) {
-    uint8_t *value_id   = &(data[0]);
-    uint8_t *value_data = &(data[1]);
-    switch (*value_id) {
-        case id_qmk_rgblight_brightness: {
-            value_data[0] = rgb_matrix_get_val();
-            break;
-        }
-        case id_qmk_rgblight_effect: {
-            value_data[0] = rgb_matrix_get_flags() ? rgb_matrix_get_mode() : 0;
-            break;
-        }
-        case id_qmk_rgblight_effect_speed: {
-            value_data[0] = rgb_matrix_get_speed();
-            break;
-        }
-        case id_qmk_rgblight_color: {
-            value_data[0] = rgb_matrix_get_hue();
-            value_data[1] = rgb_matrix_get_sat();
-            break;
-        }
-    }
-}
-
-void via_qmk_rgblight_set_value(uint8_t *data) {
-    uint8_t *value_id   = &(data[0]);
-    uint8_t *value_data = &(data[1]);
-    switch (*value_id) {
-        case id_qmk_rgblight_brightness: {
-            rgb_matrix_sethsv_noeeprom(rgblight_get_hue(), rgblight_get_sat(), value_data[0]);
-            break;
-        }
-        case id_qmk_rgblight_effect: {
-            if (value_data[0] == 0) {
-                rgb_matrix_set_flags(LED_FLAG_NONE);
-            } else {
-                rgb_matrix_mode_noeeprom(value_data[0]);
-                rgb_matrix_set_flags(LED_FLAG_MODIFIER|LED_FLAG_UNDERGLOW|LED_FLAG_KEYLIGHT);
-            }
-            break;
-        }
-        case id_qmk_rgblight_effect_speed: {
-            rgb_matrix_set_speed_noeeprom(value_data[0]);
-            break;
-        }
-        case id_qmk_rgblight_color: {
-            rgb_matrix_sethsv_noeeprom(value_data[0], value_data[1], rgblight_get_val());
-            break;
-        }
-    }
-}
-
-void raw_hid_receive_kb(uint8_t *data, uint8_t length) {
-    uint8_t *command_id = &(data[0]);
-    uint8_t *command_data = &(data[1]);
-    switch (*command_id) {
-        case id_lighting_set_value:
-            via_qmk_rgblight_set_value(command_data);
-            break;
-        case id_lighting_get_value:
-            via_qmk_rgblight_get_value(command_data);
-            break;
-        case id_lighting_save:
-            eeconfig_update_rgb_matrix();
-            break;
-        default:
-            // Unhandled message.
-            *command_id = id_unhandled;
-            break;
-    }
-}

keyboards/tkc/portico75/config.h

@@ -161,7 +161,4 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #    define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
-
-// VIA lighting is handled by the keyboard-level code
-#    define VIA_CUSTOM_LIGHTING_ENABLE
 #endif

keyboards/wilba_tech/rama_works_kara/config.h

@@ -108,6 +108,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/rama_works_koyu/config.h

@@ -109,6 +109,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/rama_works_m10_c/config.h

@@ -103,6 +103,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 51
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/rama_works_m50_a/config.h

@@ -101,6 +101,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/rama_works_m60_a/config.h

@@ -108,6 +108,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/rama_works_m65_b/config.h

@@ -101,6 +101,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/rama_works_m65_bx/config.h

@@ -101,6 +101,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/rama_works_m6_a/config.h

@@ -100,6 +100,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 43
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/rama_works_m6_b/config.h

@@ -143,6 +143,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 43
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/rama_works_u80_a/config.h

@@ -153,6 +153,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/via_test.c

@@ -0,0 +1,133 @@
+// Copyright 2022 Jason Williams (@wilba)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+// This is a test harness for VIA custom UI.
+//
+// It handles channel IDs 0-7, value IDs 0-7.
+//
+// It's useful for testing custom UI on a PCB without compiling in
+// features, especially features that will cause firmware to freeze
+// if the PCB doesn't have support.
+// 
+// To use:
+// - add `SRC = keyboards/wilba_tech/via_test.c` to rules.mk
+// - add `#define VIA_EEPROM_CUSTOM_CONFIG_SIZE 128` to config.h
+//   (or change to match CHANNELS*VALUES*2)
+
+#include "quantum.h"
+#include "via.h"
+
+#ifdef VIA_ENABLE
+
+#define CHANNELS 8
+#define VALUES 8
+uint8_t g_value[CHANNELS][VALUES][2];
+
+void values_init(void)
+{
+    for ( uint8_t channel_id = 0; channel_id < CHANNELS; channel_id++ ) {
+        for ( uint8_t value_id = 0; value_id < VALUES; value_id++ ) {
+            g_value[channel_id][value_id][0] = 0x00;
+            g_value[channel_id][value_id][1] = 0x00;
+        }
+    }
+}
+
+void values_load(void)
+{
+    eeprom_read_block( g_value, ((void*)VIA_EEPROM_CUSTOM_CONFIG_ADDR), VIA_EEPROM_CUSTOM_CONFIG_SIZE );
+}
+
+void values_save(void)
+{
+    eeprom_update_block( g_value, ((void*)VIA_EEPROM_CUSTOM_CONFIG_ADDR), VIA_EEPROM_CUSTOM_CONFIG_SIZE );
+}
+
+// We do this to test if VIA is sending save commands per channel
+// Not relevant for real situations
+void values_save_on_channel(uint8_t channel_id)
+{
+    uint16_t offset = channel_id * VALUES * 2;
+    eeprom_update_block( ((void*)g_value) + offset,
+        ((void*)VIA_EEPROM_CUSTOM_CONFIG_ADDR) + offset,
+        VALUES * 2 );
+}
+
+void via_init_kb(void)
+{
+    values_init();
+
+    // If the EEPROM has the magic, the data is good.
+    // OK to load from EEPROM
+    if (via_eeprom_is_valid()) {
+        values_load();
+    } else	{
+        values_save();
+        // DO NOT set EEPROM valid here, let caller do this
+    }
+}
+
+void set_value( uint8_t channel_id, uint8_t *data )
+{
+    // data = [ value_id, value_data ]
+    uint8_t *value_id = &(data[0]);
+    uint8_t *value_data = &(data[1]);
+    if ( *value_id >= 0 && *value_id < VALUES ) {
+        g_value[channel_id][*value_id][0] = value_data[0];
+        g_value[channel_id][*value_id][1] = value_data[1];
+    }
+}
+
+void get_value( uint8_t channel_id, uint8_t *data )
+{
+    // data = [ value_id, value_data ]
+    uint8_t *value_id = &(data[0]);
+    uint8_t *value_data = &(data[1]);
+    if ( *value_id >= 0 && *value_id < VALUES ) {
+        value_data[0] = g_value[channel_id][*value_id][0];
+        value_data[1] = g_value[channel_id][*value_id][1];
+    }
+}
+
+void via_custom_value_command(uint8_t *data, uint8_t length) {
+    // data = [ command_id, channel_id, value_id, value_data ]
+    uint8_t *command_id        = &(data[0]);
+    uint8_t *channel_id        = &(data[1]);
+    uint8_t *value_id_and_data = &(data[2]);
+
+    if ( *channel_id >= 0 && *channel_id < CHANNELS ) {
+        switch ( *command_id )
+        {
+            case id_custom_set_value:
+            {
+                set_value(*channel_id,value_id_and_data);
+                break;
+            }
+            case id_custom_get_value:
+            {
+                get_value(*channel_id,value_id_and_data);
+                break;
+            }
+            case id_custom_save:
+            {
+                //for ( uint8_t i=0; i<CHANNELS; i++) {
+                    values_save_on_channel(*channel_id);
+                //}
+                break;
+            }
+            default:
+            {
+                // Unhandled message.
+                *command_id = id_unhandled;
+                break;
+            }
+        }
+        return;
+    }
+    else {
+        *command_id = id_unhandled;
+    }
+
+    // DO NOT call raw_hid_send(data,length) here, let caller do this
+}
+#endif // VIA_ENABLE

keyboards/wilba_tech/wt60_a/config.h

@@ -121,6 +121,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 7
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/wt60_b/config.h

@@ -104,6 +104,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/wt60_bx/config.h

@@ -104,6 +104,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/wt60_c/config.h

@@ -105,6 +105,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/wt60_xt/wt60_xt.c

@@ -26,6 +26,7 @@ float tone_numlk_on[][2]   = SONG(NUM_LOCK_ON_SOUND);
 float tone_numlk_off[][2]  = SONG(NUM_LOCK_OFF_SOUND);
 float tone_scroll_on[][2]  = SONG(SCROLL_LOCK_ON_SOUND);
 float tone_scroll_off[][2] = SONG(SCROLL_LOCK_OFF_SOUND);
+float tone_device_indication[][2] = SONG(FANTASIE_IMPROMPTU);
 
 #endif
 
@@ -95,3 +96,9 @@ bool led_update_kb(led_t led_state) {
 
     return true;
 }
+
+void via_set_device_indication(uint8_t value) {
+    if ( value == 0 ) {
+        PLAY_SONG(tone_device_indication);
+    }
+}

keyboards/wilba_tech/wt65_a/config.h

@@ -121,6 +121,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 7
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/wt65_b/config.h

@@ -121,6 +121,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 7
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/wt75_a/config.h

@@ -121,6 +121,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 7
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/wt75_b/config.h

@@ -121,6 +121,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 7
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/wt75_c/config.h

@@ -121,6 +121,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 7
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/wt80_a/config.h

@@ -121,6 +121,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 7
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/wt_main.c

@@ -132,36 +132,45 @@ void suspend_wakeup_init_kb(void)
 // Moving this to the bottom of this source file is a workaround
 // for an intermittent compiler error for Atmel compiler.
 #ifdef VIA_ENABLE
-void raw_hid_receive_kb(uint8_t *data, uint8_t length) {
-    uint8_t *command_id = &(data[0]);
-    uint8_t *command_data = &(data[1]);
-    switch ( *command_id )
-    {
+void via_custom_value_command_kb(uint8_t *data, uint8_t length) {
+    uint8_t *command_id        = &(data[0]);
+    uint8_t *channel_id        = &(data[1]);
+    uint8_t *value_id_and_data = &(data[2]);
+
 #if RGB_BACKLIGHT_ENABLED || MONO_BACKLIGHT_ENABLED
-        case id_lighting_set_value:
-        {
-            backlight_config_set_value(command_data);
-            break;
-        }
-        case id_lighting_get_value:
-        {
-            backlight_config_get_value(command_data);
-            break;
-        }
-        case id_lighting_save:
-        {
-            backlight_config_save();
-            break;
-        }
-#endif // RGB_BACKLIGHT_ENABLED || MONO_BACKLIGHT_ENABLED
-        default:
+    if ( *channel_id == id_custom_channel ) {
+        switch ( *command_id )
         {
-            // Unhandled message.
-            *command_id = id_unhandled;
-            *command_data = *command_data; // force use of variable
-            break;
+            case id_custom_set_value:
+            {
+                backlight_config_set_value(value_id_and_data);
+                break;
+            }
+            case id_custom_get_value:
+            {
+                backlight_config_get_value(value_id_and_data);
+                break;
+            }
+            case id_custom_save:
+            {
+                backlight_config_save();
+                break;
+            }
+            default:
+            {
+                // Unhandled message.
+                *command_id = id_unhandled;
+                break;
+            }
         }
+        return;
     }
+#else
+        *command_id = id_unhandled;
+        *channel_id = *channel_id; // force use of variable
+        *value_id_and_data = *value_id_and_data; // force use of variable
+#endif // RGB_BACKLIGHT_ENABLED || MONO_BACKLIGHT_ENABLED
+
     // DO NOT call raw_hid_send(data,length) here, let caller do this
 }
 #endif // VIA_ENABLE

keyboards/wilba_tech/zeal60/config.h

@@ -107,6 +107,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/wilba_tech/zeal65/config.h

@@ -107,6 +107,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/winry/winry315/keymaps/via/config.h

@@ -4,12 +4,3 @@
 #pragma once
 
 #define DYNAMIC_KEYMAP_LAYER_COUNT 8
-
-// Enable a limited form of RGB Matrix support in VIA (requires redefining the
-// effect list in the VIA JSON, which then becomes not 100% compatible with the
-// RGBLIGHT firmwares).
-#define VIA_QMK_RGBLIGHT_ENABLE
-
-// Enable the workaround for the speed parameter mismatch between RGBLIGHT and
-// RGB Matrix, so that the speed slider in VIA behaves in a more useful way.
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/winry/winry315/winry315.c

@@ -164,60 +164,6 @@ uint8_t rgb_matrix_map_row_column_to_led_kb(uint8_t row, uint8_t column, uint8_t
     return 0;
 }
 
-#    if defined(VIA_ENABLE) && defined(VIA_CUSTOM_LIGHTING_ENABLE)
-
-// VIA supports only 4 discrete values for effect speed; map these to some
-// useful speed values for RGB Matrix.
-enum speed_values {
-    RGBLIGHT_SPEED_0 = UINT8_MAX / 16, // not 0 to avoid really slow effects
-    RGBLIGHT_SPEED_1 = UINT8_MAX / 4,
-    RGBLIGHT_SPEED_2 = UINT8_MAX / 2,     // matches the default value
-    RGBLIGHT_SPEED_3 = UINT8_MAX / 4 * 3, // UINT8_MAX is really fast
-};
-
-static uint8_t speed_from_rgblight(uint8_t rgblight_speed) {
-    switch (rgblight_speed) {
-        case 0:
-            return RGBLIGHT_SPEED_0;
-        case 1:
-            return RGBLIGHT_SPEED_1;
-        case 2:
-        default:
-            return RGBLIGHT_SPEED_2;
-        case 3:
-            return RGBLIGHT_SPEED_3;
-    }
-}
-
-static uint8_t speed_to_rgblight(uint8_t rgb_matrix_speed) {
-    if (rgb_matrix_speed < ((RGBLIGHT_SPEED_0 + RGBLIGHT_SPEED_1) / 2)) {
-        return 0;
-    } else if (rgb_matrix_speed < ((RGBLIGHT_SPEED_1 + RGBLIGHT_SPEED_2) / 2)) {
-        return 1;
-    } else if (rgb_matrix_speed < ((RGBLIGHT_SPEED_2 + RGBLIGHT_SPEED_3) / 2)) {
-        return 2;
-    } else {
-        return 3;
-    }
-}
-
-void raw_hid_receive_kb(uint8_t *data, uint8_t length) {
-    switch (data[0]) {
-        case id_lighting_get_value:
-            if (data[1] == id_qmk_rgblight_effect_speed) {
-                data[2] = speed_to_rgblight(rgb_matrix_get_speed());
-            }
-            break;
-        case id_lighting_set_value:
-            if (data[1] == id_qmk_rgblight_effect_speed) {
-                rgb_matrix_set_speed_noeeprom(speed_from_rgblight(data[2]));
-            }
-            break;
-    }
-}
-
-#    endif // defined(VIA_ENABLE) && defined(VIA_CUSTOM_LIGHTING_ENABLE)
-
 #endif // defined(RGB_MATRIX_ENABLE)
 
 void winry315_set_orientation(uint8_t orientation) {

keyboards/xelus/dawn60/rev1/config.h

@@ -128,6 +128,3 @@
 // Backlight config starts after VIA's EEPROM usage,
 // dynamic keymaps start after this.
 #define VIA_EEPROM_CUSTOM_CONFIG_SIZE 31
-
-// VIA lighting is handled by the keyboard-level code
-#define VIA_CUSTOM_LIGHTING_ENABLE

keyboards/xelus/la_plus/keymaps/via/config.h

@@ -1,20 +0,0 @@
-/* Copyright 2021 Harrison Chan (Xelus)
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-// Enable RGB Matrix
-#define VIA_QMK_RGBLIGHT_ENABLE

keyboards/xelus/pachi/rgb/keymaps/via/config.h

@@ -18,6 +18,3 @@
 
 // 3 layers or else it will not fit in EEPROM
 #define DYNAMIC_KEYMAP_LAYER_COUNT 3
-
-// Enable RGB Matrix
-#define VIA_QMK_RGBLIGHT_ENABLE

keyboards/xelus/valor/rev2/keymaps/via/config.h

@@ -15,8 +15,5 @@
  */
 #pragma once
 
-// RGB Matrix
-#define VIA_QMK_RGBLIGHT_ENABLE
-
 // More layers
 #define DYNAMIC_KEYMAP_LAYER_COUNT 8

quantum/dynamic_keymap.c

@@ -279,9 +279,8 @@ void dynamic_keymap_macro_send(uint8_t id) {
     p         = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR);
     void *end = (void *)(DYNAMIC_KEYMAP_MACRO_EEPROM_ADDR + DYNAMIC_KEYMAP_MACRO_EEPROM_SIZE);
     while (id > 0) {
-        // If we are past the end of the buffer, then the buffer
-        // contents are garbage, i.e. there were not DYNAMIC_KEYMAP_MACRO_COUNT
-        // nulls in the buffer.
+        // If we are past the end of the buffer, then there is
+        // no Nth macro in the buffer.
         if (p == end) {
             return;
         }
@@ -291,9 +290,8 @@ void dynamic_keymap_macro_send(uint8_t id) {
         ++p;
     }
 
-    // Send the macro string one or three chars at a time
-    // by making temporary 1 or 3 char strings
-    char data[4] = {0, 0, 0, 0};
+    // Send the macro string by making a temporary string.
+    char data[8] = {0};
     // We already checked there was a null at the end of
     // the buffer, so this cannot go past the end
     while (1) {
@@ -303,14 +301,44 @@ void dynamic_keymap_macro_send(uint8_t id) {
         if (data[0] == 0) {
             break;
         }
-        // If the char is magic (tap, down, up),
-        // add the next char (key to use) and send a 3 char string.
-        if (data[0] == SS_TAP_CODE || data[0] == SS_DOWN_CODE || data[0] == SS_UP_CODE) {
-            data[1] = data[0];
-            data[0] = SS_QMK_PREFIX;
-            data[2] = eeprom_read_byte(p++);
-            if (data[2] == 0) {
-                break;
+        if (data[0] == SS_QMK_PREFIX) {
+            // Get the code
+            data[1] = eeprom_read_byte(p++);
+            // Unexpected null, abort.
+            if (data[1] == 0) {
+                return;
+            }
+            if (data[1] == SS_TAP_CODE || data[1] == SS_DOWN_CODE || data[1] == SS_UP_CODE) {
+                // Get the keycode
+                data[2] = eeprom_read_byte(p++);
+                // Unexpected null, abort.
+                if (data[2] == 0) {
+                    return;
+                }
+                // Null terminate
+                data[3] = 0;
+            } else if (data[1] == SS_DELAY_CODE) {
+                // Get the number and '|'
+                // At most this is 4 digits plus '|'
+                uint8_t i = 2;
+                while (1) {
+                    data[i] = eeprom_read_byte(p++);
+                    // Unexpected null, abort
+                    if (data[i] == 0) {
+                        return;
+                    }
+                    // Found '|', send it
+                    if (data[i] == '|') {
+                        data[i + 1] = 0;
+                        break;
+                    }
+                    // If haven't found '|' by i==6 then
+                    // number too big, abort
+                    if (i == 6) {
+                        return;
+                    }
+                    ++i;
+                }
             }
         }
         send_string_with_delay(data, DYNAMIC_KEYMAP_MACRO_DELAY);

quantum/dynamic_keymap.h

@@ -54,6 +54,12 @@ void dynamic_keymap_set_buffer(uint16_t offset, uint16_t size, uint8_t *data);
 // strings, the last byte must be a null when at maximum capacity,
 // and it not being null means the buffer can be considered in an
 // invalid state.
+//
+// The buffer *may* contain less macro strings than the maximum.
+// This allows a higher maximum number of macros without requiring that
+// number of nulls to be in the buffer.
+// Note: dynamic_keymap_macro_get_count() returns the maximum that *can* be
+// stored, not the current count of macros in the buffer.
 
 uint8_t  dynamic_keymap_macro_get_count(void);
 uint16_t dynamic_keymap_macro_get_buffer_size(void);

quantum/via.c

@@ -22,26 +22,6 @@
 #    error "DYNAMIC_KEYMAP_ENABLE is not enabled"
 #endif
 
-// If VIA_CUSTOM_LIGHTING_ENABLE is not defined, then VIA_QMK_BACKLIGHT_ENABLE is set
-// if BACKLIGHT_ENABLE is set, so handling of QMK Backlight values happens here by default.
-// if VIA_CUSTOM_LIGHTING_ENABLE is defined, then VIA_QMK_BACKLIGHT_ENABLE must be explicitly
-// set in keyboard-level config.h, so handling of QMK Backlight values happens here
-#if defined(BACKLIGHT_ENABLE) && !defined(VIA_CUSTOM_LIGHTING_ENABLE)
-#    define VIA_QMK_BACKLIGHT_ENABLE
-#endif
-
-// If VIA_CUSTOM_LIGHTING_ENABLE is not defined, then VIA_QMK_RGBLIGHT_ENABLE is set
-// if RGBLIGHT_ENABLE is set, so handling of QMK RGBLIGHT values happens here by default.
-// If VIA_CUSTOM_LIGHTING_ENABLE is defined, then VIA_QMK_RGBLIGHT_ENABLE must be explicitly
-// set in keyboard-level config.h, so handling of QMK RGBLIGHT values happens here
-#if defined(RGBLIGHT_ENABLE) && !defined(VIA_CUSTOM_LIGHTING_ENABLE)
-#    define VIA_QMK_RGBLIGHT_ENABLE
-#endif
-
-#if defined(RGB_MATRIX_ENABLE) && !defined(VIA_QMK_RGBLIGHT_ENABLE) && !defined(VIA_CUSTOM_LIGHTING_ENABLE)
-#    define VIA_QMK_RGB_MATRIX_ENABLE
-#endif
-
 #include "quantum.h"
 
 #include "via.h"
@@ -51,22 +31,8 @@
 #include "eeprom.h"
 #include "version.h" // for QMK_BUILDDATE used in EEPROM magic
 
-// Forward declare some helpers.
-#if defined(VIA_QMK_BACKLIGHT_ENABLE)
-void via_qmk_backlight_set_value(uint8_t *data);
-void via_qmk_backlight_get_value(uint8_t *data);
-#endif
-
-#if defined(VIA_QMK_RGBLIGHT_ENABLE)
-void via_qmk_rgblight_set_value(uint8_t *data);
-void via_qmk_rgblight_get_value(uint8_t *data);
-#endif
-
-#if defined(VIA_QMK_RGB_MATRIX_ENABLE)
+#if defined(RGB_MATRIX_ENABLE)
 #    include <lib/lib8tion/lib8tion.h>
-void via_qmk_rgb_matrix_set_value(uint8_t *data);
-void via_qmk_rgb_matrix_get_value(uint8_t *data);
-void eeconfig_update_rgb_matrix(void);
 #endif
 
 // Can be called in an overriding via_init_kb() to test if keyboard level code usage of
@@ -155,6 +121,34 @@ void via_set_layout_options(uint32_t value) {
     }
 }
 
+#if defined(AUDIO_ENABLE)
+float via_device_indication_song[][2] = SONG(STARTUP_SOUND);
+#endif // AUDIO_ENABLE
+
+// Used by VIA to tell a device to flash LEDs (or do something else) when that
+// device becomes the active device being configured, on startup or switching
+// between devices. This function will be called six times, at 200ms interval,
+// with an incrementing value starting at zero. Since this function is called
+// an even number of times, it can call a toggle function and leave things in
+// the original state.
+__attribute__((weak)) void via_set_device_indication(uint8_t value) {
+#if defined(BACKLIGHT_ENABLE)
+    backlight_toggle();
+#endif // BACKLIGHT_ENABLE
+#if defined(RGBLIGHT_ENABLE)
+    rgblight_toggle_noeeprom();
+#endif // RGBLIGHT_ENABLE
+#if defined(RGB_MATRIX_ENABLE)
+    rgb_matrix_toggle_noeeprom();
+#endif // RGB_MATRIX_ENABLE
+#if defined(AUDIO_ENABLE)
+    if (value == 0) {
+        wait_ms(10);
+        PLAY_SONG(via_device_indication_song);
+    }
+#endif // AUDIO_ENABLE
+}
+
 // Called by QMK core to process VIA-specific keycodes.
 bool process_record_via(uint16_t keycode, keyrecord_t *record) {
     // Handle macros
@@ -194,24 +188,96 @@ bool process_record_via(uint16_t keycode, keyrecord_t *record) {
     return true;
 }
 
-// Keyboard level code can override this to handle custom messages from VIA.
-// See raw_hid_receive() implementation.
+//
+// via_custom_value_command() has the default handling of custom values for Core modules.
+// If a keyboard is using the default Core modules, it does not need to be overridden,
+// the VIA keyboard definition will have matching channel/IDs.
+//
+// If a keyboard has some extra custom values, then via_custom_value_command_kb() can be
+// overridden to handle the extra custom values, leaving via_custom_value_command() to
+// handle the custom values for Core modules.
+//
+// If a keyboard has custom values and code that are overlapping with Core modules,
+// then via_custom_value_command() can be overridden and call the same functions
+// as the default implementation, or do whatever else is required.
+//
 // DO NOT call raw_hid_send() in the override function.
-__attribute__((weak)) void raw_hid_receive_kb(uint8_t *data, uint8_t length) {
+//
+
+// This is the default handler for "extra" custom values, i.e. keyboard-specific custom values
+// that are not handled by via_custom_value_command().
+__attribute__((weak)) void via_custom_value_command_kb(uint8_t *data, uint8_t length) {
+    // data = [ command_id, channel_id, value_id, value_data ]
     uint8_t *command_id = &(data[0]);
-    *command_id         = id_unhandled;
+    // Return the unhandled state
+    *command_id = id_unhandled;
 }
 
-// VIA handles received HID messages first, and will route to
-// raw_hid_receive_kb() for command IDs that are not handled here.
-// This gives the keyboard code level the ability to handle the command
-// specifically.
+// This is the default handler for custom value commands.
+// It routes commands with channel IDs to command handlers as such:
 //
-// raw_hid_send() is called at the end, with the same buffer, which was
-// possibly modified with returned values.
+//      id_qmk_backlight_channel    ->  via_qmk_backlight_command()
+//      id_qmk_rgblight_channel     ->  via_qmk_rgblight_command()
+//      id_qmk_rgb_matrix_channel   ->  via_qmk_rgb_matrix_command()
+//      id_qmk_audio_channel        ->  via_qmk_audio_command()
+//
+__attribute__((weak)) void via_custom_value_command(uint8_t *data, uint8_t length) {
+    // data = [ command_id, channel_id, value_id, value_data ]
+    uint8_t *channel_id = &(data[1]);
+
+#if defined(BACKLIGHT_ENABLE)
+    if (*channel_id == id_qmk_backlight_channel) {
+        via_qmk_backlight_command(data, length);
+        return;
+    }
+#endif // BACKLIGHT_ENABLE
+
+#if defined(RGBLIGHT_ENABLE)
+    if (*channel_id == id_qmk_rgblight_channel) {
+        via_qmk_rgblight_command(data, length);
+        return;
+    }
+#endif // RGBLIGHT_ENABLE
+
+#if defined(RGB_MATRIX_ENABLE)
+    if (*channel_id == id_qmk_rgb_matrix_channel) {
+        via_qmk_rgb_matrix_command(data, length);
+        return;
+    }
+#endif // RGBLIGHT_ENABLE
+
+#if defined(AUDIO_ENABLE)
+    if (*channel_id == id_qmk_audio_channel) {
+        via_qmk_audio_command(data, length);
+        return;
+    }
+#endif // AUDIO_ENABLE
+
+    (void)channel_id; // force use of variable
+
+    // If we haven't returned before here, then let the keyboard level code
+    // handle this, if it is overridden, otherwise by default, this will
+    // return the unhandled state.
+    via_custom_value_command_kb(data, length);
+}
+
+// Keyboard level code can override this, but shouldn't need to.
+// Controlling custom features should be done by overriding
+// via_custom_value_command_kb() instead.
+__attribute__((weak)) bool via_command_kb(uint8_t *data, uint8_t length) {
+    return false;
+}
+
 void raw_hid_receive(uint8_t *data, uint8_t length) {
     uint8_t *command_id   = &(data[0]);
     uint8_t *command_data = &(data[1]);
+
+    // If via_command_kb() returns true, the command was fully
+    // handled, including calling raw_hid_send()
+    if (via_command_kb(data, length)) {
+        return;
+    }
+
     switch (*command_id) {
         case id_get_protocol_version: {
             command_data[0] = VIA_PROTOCOL_VERSION >> 8;
@@ -237,7 +303,10 @@ void raw_hid_receive(uint8_t *data, uint8_t length) {
                     break;
                 }
                 case id_switch_matrix_state: {
-#if ((MATRIX_COLS / 8 + 1) * MATRIX_ROWS <= 28)
+// Round up to the nearest number of bytes required to hold row state.
+// Multiply by number of rows to get the required size in bytes.
+// Guard against this being too big for the HID message.
+#if (((MATRIX_COLS + 7) / 8) * MATRIX_ROWS <= 28)
                     uint8_t i = 1;
                     for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
                         matrix_row_t value = matrix_get_row(row);
@@ -255,8 +324,18 @@ void raw_hid_receive(uint8_t *data, uint8_t length) {
 #endif
                     break;
                 }
+                case id_firmware_version: {
+                    uint32_t value  = VIA_FIRMWARE_VERSION;
+                    command_data[1] = (value >> 24) & 0xFF;
+                    command_data[2] = (value >> 16) & 0xFF;
+                    command_data[3] = (value >> 8) & 0xFF;
+                    command_data[4] = value & 0xFF;
+                    break;
+                }
                 default: {
-                    raw_hid_receive_kb(data, length);
+                    // The value ID is not known
+                    // Return the unhandled state
+                    *command_id = id_unhandled;
                     break;
                 }
             }
@@ -269,8 +348,15 @@ void raw_hid_receive(uint8_t *data, uint8_t length) {
                     via_set_layout_options(value);
                     break;
                 }
+                case id_device_indication: {
+                    uint8_t value = command_data[1];
+                    via_set_device_indication(value);
+                    break;
+                }
                 default: {
-                    raw_hid_receive_kb(data, length);
+                    // The value ID is not known
+                    // Return the unhandled state
+                    *command_id = id_unhandled;
                     break;
                 }
             }
@@ -290,61 +376,10 @@ void raw_hid_receive(uint8_t *data, uint8_t length) {
             dynamic_keymap_reset();
             break;
         }
-        case id_lighting_set_value: {
-#if defined(VIA_QMK_BACKLIGHT_ENABLE)
-            via_qmk_backlight_set_value(command_data);
-#endif
-#if defined(VIA_QMK_RGBLIGHT_ENABLE)
-            via_qmk_rgblight_set_value(command_data);
-#endif
-#if defined(VIA_QMK_RGB_MATRIX_ENABLE)
-            via_qmk_rgb_matrix_set_value(command_data);
-#endif
-#if defined(VIA_CUSTOM_LIGHTING_ENABLE)
-            raw_hid_receive_kb(data, length);
-#endif
-#if !defined(VIA_QMK_BACKLIGHT_ENABLE) && !defined(VIA_QMK_RGBLIGHT_ENABLE) && !defined(VIA_CUSTOM_LIGHTING_ENABLE) && !defined(VIA_QMK_RGB_MATRIX_ENABLE)
-            // Return the unhandled state
-            *command_id = id_unhandled;
-#endif
-            break;
-        }
-        case id_lighting_get_value: {
-#if defined(VIA_QMK_BACKLIGHT_ENABLE)
-            via_qmk_backlight_get_value(command_data);
-#endif
-#if defined(VIA_QMK_RGBLIGHT_ENABLE)
-            via_qmk_rgblight_get_value(command_data);
-#endif
-#if defined(VIA_QMK_RGB_MATRIX_ENABLE)
-            via_qmk_rgb_matrix_get_value(command_data);
-#endif
-#if defined(VIA_CUSTOM_LIGHTING_ENABLE)
-            raw_hid_receive_kb(data, length);
-#endif
-#if !defined(VIA_QMK_BACKLIGHT_ENABLE) && !defined(VIA_QMK_RGBLIGHT_ENABLE) && !defined(VIA_CUSTOM_LIGHTING_ENABLE) && !defined(VIA_QMK_RGB_MATRIX_ENABLE)
-            // Return the unhandled state
-            *command_id = id_unhandled;
-#endif
-            break;
-        }
-        case id_lighting_save: {
-#if defined(VIA_QMK_BACKLIGHT_ENABLE)
-            eeconfig_update_backlight_current();
-#endif
-#if defined(VIA_QMK_RGBLIGHT_ENABLE)
-            eeconfig_update_rgblight_current();
-#endif
-#if defined(VIA_QMK_RGB_MATRIX_ENABLE)
-            eeconfig_update_rgb_matrix();
-#endif
-#if defined(VIA_CUSTOM_LIGHTING_ENABLE)
-            raw_hid_receive_kb(data, length);
-#endif
-#if !defined(VIA_QMK_BACKLIGHT_ENABLE) && !defined(VIA_QMK_RGBLIGHT_ENABLE) && !defined(VIA_CUSTOM_LIGHTING_ENABLE) && !defined(VIA_QMK_RGB_MATRIX_ENABLE)
-            // Return the unhandled state
-            *command_id = id_unhandled;
-#endif
+        case id_custom_set_value:
+        case id_custom_get_value:
+        case id_custom_save: {
+            via_custom_value_command(data, length);
             break;
         }
 #ifdef VIA_EEPROM_ALLOW_RESET
@@ -421,13 +456,39 @@ void raw_hid_receive(uint8_t *data, uint8_t length) {
     raw_hid_send(data, length);
 }
 
-#if defined(VIA_QMK_BACKLIGHT_ENABLE)
+#if defined(BACKLIGHT_ENABLE)
+
+void via_qmk_backlight_command(uint8_t *data, uint8_t length) {
+    // data = [ command_id, channel_id, value_id, value_data ]
+    uint8_t *command_id        = &(data[0]);
+    uint8_t *value_id_and_data = &(data[2]);
+
+    switch (*command_id) {
+        case id_custom_set_value: {
+            via_qmk_backlight_set_value(value_id_and_data);
+            break;
+        }
+        case id_custom_get_value: {
+            via_qmk_backlight_get_value(value_id_and_data);
+            break;
+        }
+        case id_custom_save: {
+            via_qmk_backlight_save();
+            break;
+        }
+        default: {
+            *command_id = id_unhandled;
+            break;
+        }
+    }
+}
 
 #    if BACKLIGHT_LEVELS == 0
 #        error BACKLIGHT_LEVELS == 0
 #    endif
 
 void via_qmk_backlight_get_value(uint8_t *data) {
+    // data = [ value_id, value_data ]
     uint8_t *value_id   = &(data[0]);
     uint8_t *value_data = &(data[1]);
     switch (*value_id) {
@@ -448,6 +509,7 @@ void via_qmk_backlight_get_value(uint8_t *data) {
 }
 
 void via_qmk_backlight_set_value(uint8_t *data) {
+    // data = [ value_id, value_data ]
     uint8_t *value_id   = &(data[0]);
     uint8_t *value_data = &(data[1]);
     switch (*value_id) {
@@ -469,14 +531,44 @@ void via_qmk_backlight_set_value(uint8_t *data) {
     }
 }
 
-#endif // #if defined(VIA_QMK_BACKLIGHT_ENABLE)
+void via_qmk_backlight_save(void) {
+    eeconfig_update_backlight_current();
+}
+
+#endif // BACKLIGHT_ENABLE
 
-#if defined(VIA_QMK_RGBLIGHT_ENABLE)
+#if defined(RGBLIGHT_ENABLE)
 #    ifndef RGBLIGHT_LIMIT_VAL
 #        define RGBLIGHT_LIMIT_VAL 255
 #    endif
 
+void via_qmk_rgblight_command(uint8_t *data, uint8_t length) {
+    // data = [ command_id, channel_id, value_id, value_data ]
+    uint8_t *command_id        = &(data[0]);
+    uint8_t *value_id_and_data = &(data[2]);
+
+    switch (*command_id) {
+        case id_custom_set_value: {
+            via_qmk_rgblight_set_value(value_id_and_data);
+            break;
+        }
+        case id_custom_get_value: {
+            via_qmk_rgblight_get_value(value_id_and_data);
+            break;
+        }
+        case id_custom_save: {
+            via_qmk_rgblight_save();
+            break;
+        }
+        default: {
+            *command_id = id_unhandled;
+            break;
+        }
+    }
+}
+
 void via_qmk_rgblight_get_value(uint8_t *data) {
+    // data = [ value_id, value_data ]
     uint8_t *value_id   = &(data[0]);
     uint8_t *value_data = &(data[1]);
     switch (*value_id) {
@@ -485,7 +577,7 @@ void via_qmk_rgblight_get_value(uint8_t *data) {
             break;
         }
         case id_qmk_rgblight_effect: {
-            value_data[0] = rgblight_get_mode();
+            value_data[0] = rgblight_is_enabled() ? rgblight_get_mode() : 0;
             break;
         }
         case id_qmk_rgblight_effect_speed: {
@@ -501,6 +593,7 @@ void via_qmk_rgblight_get_value(uint8_t *data) {
 }
 
 void via_qmk_rgblight_set_value(uint8_t *data) {
+    // data = [ value_id, value_data ]
     uint8_t *value_id   = &(data[0]);
     uint8_t *value_data = &(data[1]);
     switch (*value_id) {
@@ -509,11 +602,11 @@ void via_qmk_rgblight_set_value(uint8_t *data) {
             break;
         }
         case id_qmk_rgblight_effect: {
-            rgblight_mode_noeeprom(value_data[0]);
             if (value_data[0] == 0) {
                 rgblight_disable_noeeprom();
             } else {
                 rgblight_enable_noeeprom();
+                rgblight_mode_noeeprom(value_data[0]);
             }
             break;
         }
@@ -528,92 +621,168 @@ void via_qmk_rgblight_set_value(uint8_t *data) {
     }
 }
 
-#endif // #if defined(VIA_QMK_RGBLIGHT_ENABLE)
+void via_qmk_rgblight_save(void) {
+    eeconfig_update_rgblight_current();
+}
+
+#endif // QMK_RGBLIGHT_ENABLE
 
-#if defined(VIA_QMK_RGB_MATRIX_ENABLE)
+#if defined(RGB_MATRIX_ENABLE)
 
 #    if !defined(RGB_MATRIX_MAXIMUM_BRIGHTNESS) || RGB_MATRIX_MAXIMUM_BRIGHTNESS > UINT8_MAX
 #        undef RGB_MATRIX_MAXIMUM_BRIGHTNESS
 #        define RGB_MATRIX_MAXIMUM_BRIGHTNESS UINT8_MAX
 #    endif
 
-// VIA supports only 4 discrete values for effect speed; map these to some
-// useful speed values for RGB Matrix.
-enum speed_values {
-    RGBLIGHT_SPEED_0 = UINT8_MAX / 16, // not 0 to avoid really slow effects
-    RGBLIGHT_SPEED_1 = UINT8_MAX / 4,
-    RGBLIGHT_SPEED_2 = UINT8_MAX / 2,     // matches the default value
-    RGBLIGHT_SPEED_3 = UINT8_MAX / 4 * 3, // UINT8_MAX is really fast
-};
-
-static uint8_t speed_from_rgblight(uint8_t rgblight_speed) {
-    switch (rgblight_speed) {
-        case 0:
-            return RGBLIGHT_SPEED_0;
-        case 1:
-            return RGBLIGHT_SPEED_1;
-        case 2:
-        default:
-            return RGBLIGHT_SPEED_2;
-        case 3:
-            return RGBLIGHT_SPEED_3;
-    }
-}
+void via_qmk_rgb_matrix_command(uint8_t *data, uint8_t length) {
+    // data = [ command_id, channel_id, value_id, value_data ]
+    uint8_t *command_id        = &(data[0]);
+    uint8_t *value_id_and_data = &(data[2]);
 
-static uint8_t speed_to_rgblight(uint8_t rgb_matrix_speed) {
-    if (rgb_matrix_speed < ((RGBLIGHT_SPEED_0 + RGBLIGHT_SPEED_1) / 2)) {
-        return 0;
-    } else if (rgb_matrix_speed < ((RGBLIGHT_SPEED_1 + RGBLIGHT_SPEED_2) / 2)) {
-        return 1;
-    } else if (rgb_matrix_speed < ((RGBLIGHT_SPEED_2 + RGBLIGHT_SPEED_3) / 2)) {
-        return 2;
-    } else {
-        return 3;
+    switch (*command_id) {
+        case id_custom_set_value: {
+            via_qmk_rgb_matrix_set_value(value_id_and_data);
+            break;
+        }
+        case id_custom_get_value: {
+            via_qmk_rgb_matrix_get_value(value_id_and_data);
+            break;
+        }
+        case id_custom_save: {
+            via_qmk_rgb_matrix_save();
+            break;
+        }
+        default: {
+            *command_id = id_unhandled;
+            break;
+        }
     }
 }
 
 void via_qmk_rgb_matrix_get_value(uint8_t *data) {
+    // data = [ value_id, value_data ]
     uint8_t *value_id   = &(data[0]);
     uint8_t *value_data = &(data[1]);
+
     switch (*value_id) {
-        case id_qmk_rgblight_brightness:
+        case id_qmk_rgb_matrix_brightness: {
             value_data[0] = ((uint16_t)rgb_matrix_get_val() * UINT8_MAX) / RGB_MATRIX_MAXIMUM_BRIGHTNESS;
             break;
-        case id_qmk_rgblight_effect:
-            value_data[0] = rgb_matrix_get_mode();
+        }
+        case id_qmk_rgb_matrix_effect: {
+            value_data[0] = rgb_matrix_is_enabled() ? rgb_matrix_get_mode() : 0;
             break;
-        case id_qmk_rgblight_effect_speed:
-            value_data[0] = speed_to_rgblight(rgb_matrix_get_speed());
+        }
+        case id_qmk_rgb_matrix_effect_speed: {
+            value_data[0] = rgb_matrix_get_speed();
             break;
-        case id_qmk_rgblight_color:
+        }
+        case id_qmk_rgb_matrix_color: {
             value_data[0] = rgb_matrix_get_hue();
             value_data[1] = rgb_matrix_get_sat();
             break;
+        }
     }
 }
 
 void via_qmk_rgb_matrix_set_value(uint8_t *data) {
+    // data = [ value_id, value_data ]
     uint8_t *value_id   = &(data[0]);
     uint8_t *value_data = &(data[1]);
     switch (*value_id) {
-        case id_qmk_rgblight_brightness:
+        case id_qmk_rgb_matrix_brightness: {
             rgb_matrix_sethsv_noeeprom(rgb_matrix_get_hue(), rgb_matrix_get_sat(), scale8(value_data[0], RGB_MATRIX_MAXIMUM_BRIGHTNESS));
             break;
-        case id_qmk_rgblight_effect:
-            rgb_matrix_mode_noeeprom(value_data[0]);
+        }
+        case id_qmk_rgb_matrix_effect: {
             if (value_data[0] == 0) {
                 rgb_matrix_disable_noeeprom();
             } else {
                 rgb_matrix_enable_noeeprom();
+                rgb_matrix_mode_noeeprom(value_data[0]);
             }
             break;
-        case id_qmk_rgblight_effect_speed:
-            rgb_matrix_set_speed_noeeprom(speed_from_rgblight(value_data[0]));
+        }
+        case id_qmk_rgb_matrix_effect_speed: {
+            rgblight_set_speed_noeeprom(value_data[0]);
+            break;
+        }
+        case id_qmk_rgb_matrix_color: {
+            rgblight_sethsv_noeeprom(value_data[0], value_data[1], rgb_matrix_get_val());
+            break;
+        }
+    }
+}
+
+void via_qmk_rgb_matrix_save(void) {
+    eeconfig_update_rgb_matrix();
+}
+
+#endif // RGB_MATRIX_ENABLE
+
+#if defined(AUDIO_ENABLE)
+
+extern audio_config_t audio_config;
+
+void via_qmk_audio_command(uint8_t *data, uint8_t length) {
+    // data = [ command_id, channel_id, value_id, value_data ]
+    uint8_t *command_id        = &(data[0]);
+    uint8_t *value_id_and_data = &(data[2]);
+
+    switch (*command_id) {
+        case id_custom_set_value: {
+            via_qmk_audio_set_value(value_id_and_data);
+            break;
+        }
+        case id_custom_get_value: {
+            via_qmk_audio_get_value(value_id_and_data);
+            break;
+        }
+        case id_custom_save: {
+            via_qmk_audio_save();
+            break;
+        }
+        default: {
+            *command_id = id_unhandled;
+            break;
+        }
+    }
+}
+
+void via_qmk_audio_get_value(uint8_t *data) {
+    // data = [ value_id, value_data ]
+    uint8_t *value_id   = &(data[0]);
+    uint8_t *value_data = &(data[1]);
+    switch (*value_id) {
+        case id_qmk_audio_enable: {
+            value_data[0] = audio_config.enable ? 1 : 0;
             break;
-        case id_qmk_rgblight_color:
-            rgb_matrix_sethsv_noeeprom(value_data[0], value_data[1], rgb_matrix_get_val());
+        }
+        case id_qmk_audio_clicky_enable: {
+            value_data[0] = audio_config.clicky_enable ? 1 : 0;
             break;
+        }
     }
 }
 
-#endif // #if defined(VIA_QMK_RGB_MATRIX_ENABLE)
+void via_qmk_audio_set_value(uint8_t *data) {
+    // data = [ value_id, value_data ]
+    uint8_t *value_id   = &(data[0]);
+    uint8_t *value_data = &(data[1]);
+    switch (*value_id) {
+        case id_qmk_audio_enable: {
+            audio_config.enable = value_data[0] ? 1 : 0;
+            break;
+        }
+        case id_qmk_audio_clicky_enable: {
+            audio_config.clicky_enable = value_data[0] ? 1 : 0;
+            break;
+        }
+    }
+}
+
+void via_qmk_audio_save(void) {
+    eeconfig_update_audio(audio_config.raw);
+}
+
+#endif // QMK_AUDIO_ENABLE

quantum/via.h

@@ -60,6 +60,16 @@
 // so VIA Configurator can detect compatible firmware.
 #define VIA_PROTOCOL_VERSION 0x000B
 
+// This is a version number for the firmware for the keyboard.
+// It can be used to ensure the VIA keyboard definition and the firmware
+// have the same version, especially if there are changes to custom values.
+// Define this in config.h to override and bump this number.
+// This is *not* required if the keyboard is only using basic functionality
+// and not using custom values for lighting, rotary encoders, etc.
+#ifndef VIA_FIRMWARE_VERSION
+#    define VIA_FIRMWARE_VERSION 0x00000000
+#endif
+
 enum via_command_id {
     id_get_protocol_version                 = 0x01, // always 0x01
     id_get_keyboard_value                   = 0x02,
@@ -67,9 +77,9 @@ enum via_command_id {
     id_dynamic_keymap_get_keycode           = 0x04,
     id_dynamic_keymap_set_keycode           = 0x05,
     id_dynamic_keymap_reset                 = 0x06,
-    id_lighting_set_value                   = 0x07,
-    id_lighting_get_value                   = 0x08,
-    id_lighting_save                        = 0x09,
+    id_custom_set_value                     = 0x07,
+    id_custom_get_value                     = 0x08,
+    id_custom_save                          = 0x09,
     id_eeprom_reset                         = 0x0A,
     id_bootloader_jump                      = 0x0B,
     id_dynamic_keymap_macro_get_count       = 0x0C,
@@ -86,21 +96,43 @@ enum via_command_id {
 };
 
 enum via_keyboard_value_id {
-    id_uptime              = 0x01, //
+    id_uptime              = 0x01,
     id_layout_options      = 0x02,
-    id_switch_matrix_state = 0x03
+    id_switch_matrix_state = 0x03,
+    id_firmware_version    = 0x04,
+    id_device_indication   = 0x05,
 };
 
-enum via_lighting_value {
-    // QMK BACKLIGHT
-    id_qmk_backlight_brightness = 0x09,
-    id_qmk_backlight_effect     = 0x0A,
+enum via_channel_id {
+    id_custom_channel         = 0,
+    id_qmk_backlight_channel  = 1,
+    id_qmk_rgblight_channel   = 2,
+    id_qmk_rgb_matrix_channel = 3,
+    id_qmk_audio_channel      = 4,
+};
+
+enum via_qmk_backlight_value {
+    id_qmk_backlight_brightness = 1,
+    id_qmk_backlight_effect     = 2,
+};
+
+enum via_qmk_rgblight_value {
+    id_qmk_rgblight_brightness   = 1,
+    id_qmk_rgblight_effect       = 2,
+    id_qmk_rgblight_effect_speed = 3,
+    id_qmk_rgblight_color        = 4,
+};
+
+enum via_qmk_rgb_matrix_value {
+    id_qmk_rgb_matrix_brightness   = 1,
+    id_qmk_rgb_matrix_effect       = 2,
+    id_qmk_rgb_matrix_effect_speed = 3,
+    id_qmk_rgb_matrix_color        = 4,
+};
 
-    // QMK RGBLIGHT
-    id_qmk_rgblight_brightness   = 0x80,
-    id_qmk_rgblight_effect       = 0x81,
-    id_qmk_rgblight_effect_speed = 0x82,
-    id_qmk_rgblight_color        = 0x83,
+enum via_qmk_audio_value {
+    id_qmk_audio_enable        = 1,
+    id_qmk_audio_clicky_enable = 2,
 };
 
 enum via_keycodes {
@@ -160,5 +192,39 @@ uint32_t via_get_layout_options(void);
 void     via_set_layout_options(uint32_t value);
 void     via_set_layout_options_kb(uint32_t value);
 
+// Used by VIA to tell a device to flash LEDs (or do something else) when that
+// device becomes the active device being configured, on startup or switching
+// between devices.
+void via_set_device_indication(uint8_t value);
+
 // Called by QMK core to process VIA-specific keycodes.
 bool process_record_via(uint16_t keycode, keyrecord_t *record);
+
+// These are made external so that keyboard level custom value handlers can use them.
+#if defined(BACKLIGHT_ENABLE)
+void via_qmk_backlight_command(uint8_t *data, uint8_t length);
+void via_qmk_backlight_set_value(uint8_t *data);
+void via_qmk_backlight_get_value(uint8_t *data);
+void via_qmk_backlight_save(void);
+#endif
+
+#if defined(RGBLIGHT_ENABLE)
+void via_qmk_rgblight_command(uint8_t *data, uint8_t length);
+void via_qmk_rgblight_set_value(uint8_t *data);
+void via_qmk_rgblight_get_value(uint8_t *data);
+void via_qmk_rgblight_save(void);
+#endif
+
+#if defined(RGB_MATRIX_ENABLE)
+void via_qmk_rgb_matrix_command(uint8_t *data, uint8_t length);
+void via_qmk_rgb_matrix_set_value(uint8_t *data);
+void via_qmk_rgb_matrix_get_value(uint8_t *data);
+void via_qmk_rgb_matrix_save(void);
+#endif
+
+#if defined(AUDIO_ENABLE)
+void via_qmk_audio_command(uint8_t *data, uint8_t length);
+void via_qmk_audio_set_value(uint8_t *data);
+void via_qmk_audio_get_value(uint8_t *data);
+void via_qmk_audio_save(void);
+#endif