Merge branch 'muon_light' of github.com:qmk/qmk_firmware into keymap_folders

Makefile

@@ -67,7 +67,7 @@ $(eval $(call NEXT_PATH_ELEMENT))
 # It's really a very simple if else chain, if you squint enough,
 # but the makefile syntax makes it very verbose.
 # If we are in a subfolder of keyboards
-# 
+#
 # *** No longer needed **
 #
 # ifeq ($(CURRENT_PATH_ELEMENT),keyboards)
@@ -320,6 +320,14 @@ define PARSE_KEYBOARD
     KEYMAPS += $$(notdir $$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(KEYBOARD_FOLDER_PATH_3)/keymaps/*/.)))
     KEYMAPS += $$(notdir $$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(KEYBOARD_FOLDER_PATH_4)/keymaps/*/.)))
     KEYMAPS += $$(notdir $$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(KEYBOARD_FOLDER_PATH_5)/keymaps/*/.)))
+
+    # get subkeymaps too
+    KEYMAPS += $$(patsubst $(ROOT_DIR)/keyboards/$$(KEYBOARD_FOLDER_PATH_1)/keymaps/%,%,$$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(KEYBOARD_FOLDER_PATH_1)/keymaps/*/*/.)))
+    KEYMAPS += $$(patsubst $(ROOT_DIR)/keyboards/$$(KEYBOARD_FOLDER_PATH_2)/keymaps/%,%,$$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(KEYBOARD_FOLDER_PATH_2)/keymaps/*/*/.)))
+    KEYMAPS += $$(patsubst $(ROOT_DIR)/keyboards/$$(KEYBOARD_FOLDER_PATH_3)/keymaps/%,%,$$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(KEYBOARD_FOLDER_PATH_3)/keymaps/*/*/.)))
+    KEYMAPS += $$(patsubst $(ROOT_DIR)/keyboards/$$(KEYBOARD_FOLDER_PATH_4)/keymaps/%,%,$$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(KEYBOARD_FOLDER_PATH_4)/keymaps/*/*/.)))
+    KEYMAPS += $$(patsubst $(ROOT_DIR)/keyboards/$$(KEYBOARD_FOLDER_PATH_5)/keymaps/%,%,$$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/keyboards/$$(KEYBOARD_FOLDER_PATH_5)/keymaps/*/*/.)))
+
     # this might be needed, but in a different form
     #KEYMAPS := $$(sort $$(filter-out $$(KEYBOARD_FOLDER_1) $$(KEYBOARD_FOLDER_2) \
         $$(KEYBOARD_FOLDER_3) $$(KEYBOARD_FOLDER_4) $$(KEYBOARD_FOLDER_5), $$(KEYMAPS)))
@@ -353,9 +361,11 @@ define PARSE_KEYBOARD
 
     LAYOUT_KEYMAPS :=
     $$(foreach LAYOUT,$$(KEYBOARD_LAYOUTS),$$(eval LAYOUT_KEYMAPS += $$(notdir $$(patsubst %/.,%,$$(wildcard $(ROOT_DIR)/layouts/*/$$(LAYOUT)/*/.)))))
-    
+
     KEYMAPS := $$(sort $$(KEYMAPS) $$(LAYOUT_KEYMAPS))
 
+    # $$(eval $$(info $$(KEYMAPS)))
+
     # if the rule after removing the start of it is empty (we haven't specified a kemap or target)
     # compile all the keymaps
     ifeq ($$(RULE),)
@@ -411,7 +421,8 @@ define PARSE_KEYMAP
     MAKE_TARGET := $$(patsubst :%,%,$$(RULE))
     # We need to generate an unique indentifer to append to the COMMANDS list
     CURRENT_KB_UNDER := $$(subst /,_,$$(CURRENT_KB))
-    COMMAND := COMMAND_KEYBOARD_$$(CURRENT_KB_UNDER)_KEYMAP_$$(CURRENT_KM)
+    CURRENT_KM_UNDER := $$(subst /,_,$$(CURRENT_KM))
+    COMMAND := COMMAND_KEYBOARD_$$(CURRENT_KB_UNDER)_KEYMAP_$$(CURRENT_KM_UNDER)
     # If we are compiling a keyboard without a subproject, we want to display just the name
     # of the keyboard, otherwise keyboard/subproject
     KB_SP := $$(CURRENT_KB)

build_keyboard.mk

@@ -19,8 +19,9 @@ KEYBOARD_FOLDER_4 := $(notdir $(KEYBOARD_FOLDER_PATH_4))
 KEYBOARD_FOLDER_5 := $(notdir $(KEYBOARD_FOLDER_PATH_5))
 
 KEYBOARD_FILESAFE := $(subst /,_,$(KEYBOARD))
+KEYMAP_FILESAFE := $(subst /,_,$(KEYMAP))
 
-TARGET ?= $(KEYBOARD_FILESAFE)_$(KEYMAP)
+TARGET ?= $(KEYBOARD_FILESAFE)_$(KEYMAP_FILESAFE)
 KEYBOARD_OUTPUT := $(BUILD_DIR)/obj_$(KEYBOARD_FILESAFE)
 
 # Force expansion
@@ -176,26 +177,44 @@ MAIN_KEYMAP_PATH_3 := $(KEYBOARD_PATH_3)/keymaps/$(KEYMAP)
 MAIN_KEYMAP_PATH_4 := $(KEYBOARD_PATH_4)/keymaps/$(KEYMAP)
 MAIN_KEYMAP_PATH_5 := $(KEYBOARD_PATH_5)/keymaps/$(KEYMAP)
 
+PARENT_MAIN_KEYMAP_PATH_1 := $(patsubst %/,%,$(dir $(MAIN_KEYMAP_PATH_1)))
+PARENT_MAIN_KEYMAP_PATH_2 := $(patsubst %/,%,$(dir $(MAIN_KEYMAP_PATH_2)))
+PARENT_MAIN_KEYMAP_PATH_3 := $(patsubst %/,%,$(dir $(MAIN_KEYMAP_PATH_3)))
+PARENT_MAIN_KEYMAP_PATH_4 := $(patsubst %/,%,$(dir $(MAIN_KEYMAP_PATH_4)))
+PARENT_MAIN_KEYMAP_PATH_5 := $(patsubst %/,%,$(dir $(MAIN_KEYMAP_PATH_5)))
+
+# $(info $(PARENT_MAIN_KEYMAP_PATH_1))
+
 ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_5)/keymap.c)","")
-    -include $(MAIN_KEYMAP_PATH_5)/rules.mk
     KEYMAP_C := $(MAIN_KEYMAP_PATH_5)/keymap.c
     KEYMAP_PATH := $(MAIN_KEYMAP_PATH_5)
+else ifneq ("$(wildcard $(PARENT_MAIN_KEYMAP_PATH_5)/keymap.c)","")
+    KEYMAP_C := $(PARENT_MAIN_KEYMAP_PATH_5)/keymap.c
+    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_5)
 else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_4)/keymap.c)","")
-    -include $(MAIN_KEYMAP_PATH_4)/rules.mk
     KEYMAP_C := $(MAIN_KEYMAP_PATH_4)/keymap.c
     KEYMAP_PATH := $(MAIN_KEYMAP_PATH_4)
+else ifneq ("$(wildcard $(PARENT_MAIN_KEYMAP_PATH_4)/keymap.c)","")
+    KEYMAP_C := $(PARENT_MAIN_KEYMAP_PATH_4)/keymap.c
+    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_4)
 else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_3)/keymap.c)","")
-    -include $(MAIN_KEYMAP_PATH_3)/rules.mk
     KEYMAP_C := $(MAIN_KEYMAP_PATH_3)/keymap.c
     KEYMAP_PATH := $(MAIN_KEYMAP_PATH_3)
+else ifneq ("$(wildcard $(PARENT_MAIN_KEYMAP_PATH_3)/keymap.c)","")
+    KEYMAP_C := $(PARENT_MAIN_KEYMAP_PATH_3)/keymap.c
+    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_3)
 else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_2)/keymap.c)","")
-    -include $(MAIN_KEYMAP_PATH_2)/rules.mk
     KEYMAP_C := $(MAIN_KEYMAP_PATH_2)/keymap.c
     KEYMAP_PATH := $(MAIN_KEYMAP_PATH_2)
+else ifneq ("$(wildcard $(PARENT_MAIN_KEYMAP_PATH_2)/keymap.c)","")
+    KEYMAP_C := $(PARENT_MAIN_KEYMAP_PATH_2)/keymap.c
+    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_2)
 else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_1)/keymap.c)","")
-    -include $(MAIN_KEYMAP_PATH_1)/rules.mk
     KEYMAP_C := $(MAIN_KEYMAP_PATH_1)/keymap.c
     KEYMAP_PATH := $(MAIN_KEYMAP_PATH_1)
+else ifneq ("$(wildcard $(PARENT_MAIN_KEYMAP_PATH_1)/keymap.c)","")
+    KEYMAP_C := $(PARENT_MAIN_KEYMAP_PATH_1)/keymap.c
+    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_1)
 else ifneq ($(LAYOUTS),)
     include build_layout.mk
 else
@@ -203,26 +222,34 @@ else
     # this state should never be reached
 endif
 
+
+PARENT_KEYMAP_PATH := $(patsubst %/,%,$(dir $(KEYMAP_PATH)))
+
 # User space stuff
 ifeq ("$(USER_NAME)","")
     USER_NAME := $(KEYMAP)
 endif
 USER_PATH := users/$(USER_NAME)
 
--include $(USER_PATH)/rules.mk
-ifneq ("$(wildcard $(USER_PATH)/config.h)","")
-    CONFIG_H += $(USER_PATH)/config.h
-endif
-
 
 # Object files directory
 #     To put object files in current directory, use a dot (.), do NOT make
 #     this an empty or blank macro!
 KEYMAP_OUTPUT := $(BUILD_DIR)/obj_$(TARGET)
 
+-include $(PARENT_KEYMAP_PATH)/rules.mk
+-include $(KEYMAP_PATH)/rules.mk
+-include $(USER_PATH)/rules.mk
+
+ifneq ("$(wildcard $(PARENT_KEYMAP_PATH)/config.h)","")
+    CONFIG_H += $(PARENT_KEYMAP_PATH)/config.h
+endif
 ifneq ("$(wildcard $(KEYMAP_PATH)/config.h)","")
     CONFIG_H += $(KEYMAP_PATH)/config.h
 endif
+ifneq ("$(wildcard $(USER_PATH)/config.h)","")
+    CONFIG_H += $(USER_PATH)/config.h
+endif
 
 # # project specific files
 SRC += $(KEYBOARD_SRC) \
@@ -233,6 +260,7 @@ SRC += $(KEYBOARD_SRC) \
 #EXTRALDFLAGS = -Wl,--relax
 
 # Search Path
+VPATH += $(PARENT_KEYMAP_PATH)
 VPATH += $(KEYMAP_PATH)
 VPATH += $(KEYBOARD_PATHS)
 VPATH += $(COMMON_VPATH)

build_layout.mk

@@ -3,11 +3,15 @@ LAYOUTS_REPOS := $(patsubst %/,%,$(sort $(dir $(wildcard $(LAYOUTS_PATH)/*/))))
 
 define SEARCH_LAYOUTS_REPO
     LAYOUT_KEYMAP_PATH := $$(LAYOUTS_REPO)/$$(LAYOUT)/$$(KEYMAP)
+    PARENT_LAYOUT_KEYMAP_PATH := $(patsubst %/,%,$(dir $(LAYOUT_KEYMAP_PATH)))
     LAYOUT_KEYMAP_C := $$(LAYOUT_KEYMAP_PATH)/keymap.c
+    PARENT_LAYOUT_KEYMAP_C := $$(PARENT_LAYOUT_KEYMAP_PATH)/keymap.c
     ifneq ("$$(wildcard $$(LAYOUT_KEYMAP_C))","")
-        -include $$(LAYOUT_KEYMAP_PATH)/rules.mk
         KEYMAP_C := $$(LAYOUT_KEYMAP_C)
         KEYMAP_PATH := $$(LAYOUT_KEYMAP_PATH)
+    else ifneq ("$$(wildcard $$(PARENT_LAYOUT_KEYMAP_C))","")
+        KEYMAP_C := $$(PARENT_LAYOUT_KEYMAP_C)
+        KEYMAP_PATH := $$(LAYOUT_KEYMAP_PATH)
     endif
 endef
 
@@ -15,4 +19,4 @@ define SEARCH_LAYOUTS
     $$(foreach LAYOUTS_REPO,$$(LAYOUTS_REPOS),$$(eval $$(call SEARCH_LAYOUTS_REPO)))
 endef
 
-$(foreach LAYOUT,$(LAYOUTS),$(eval $(call SEARCH_LAYOUTS)))
+$(foreach LAYOUT,$(LAYOUTS),$(eval $(call SEARCH_LAYOUTS)))

drivers/qwiic/qwiic_keyboard.c

@@ -37,15 +37,15 @@
 void qwiic_keyboard_write_keymap(uint8_t * pointer);
 void qwiic_keyboard_read_keymap(uint8_t * pointer);
 
-static bool qwiic_keyboard_master = false;
-static bool qwiic_keyboard_connected = false;
-static uint8_t qwiic_keyboard_handshake_message[QWIIC_KEYBOARD_HANDSHAKE_MESSAGE_SIZE] = {0};
-static uint8_t qwiic_keyboard_matrix_message[QWIIC_KEYBOARD_ROWS] = {0};
-static qwiic_matrix_t matrix_prev[QWIIC_KEYBOARD_ROWS] = {0};
-static twi2c_message_received qwiic_keyboard_message_received_ptr = qwiic_keyboard_message_received;
+bool qwiic_keyboard_master = false;
+bool qwiic_keyboard_connected = false;
+uint8_t qwiic_keyboard_handshake_message[QWIIC_KEYBOARD_HANDSHAKE_MESSAGE_SIZE] = {0};
+uint8_t qwiic_keyboard_matrix_message[QWIIC_KEYBOARD_ROWS] = {0};
+twi2c_message_received qwiic_keyboard_message_received_ptr = qwiic_keyboard_message_received;
 
-static uint16_t qwiic_keyboard_keymap[QWIIC_KEYBOARD_LAYERS][QWIIC_KEYBOARD_ROWS][QWIIC_KEYBOARD_COLS] = {{{0}}};
-static uint8_t qwiic_keyboard_listening_address = QWIIC_KEYBOARD_LISTENING_ADDRESS_START;
+uint16_t qwiic_keyboard_keymap[QWIIC_KEYBOARD_LAYERS][QWIIC_KEYBOARD_ROWS][QWIIC_KEYBOARD_COLS] = {0};
+uint8_t qwiic_keyboard_listening_address = QWIIC_KEYBOARD_LISTENING_ADDRESS_START;
+uint8_t qwiic_keyboard_processing_slave = false;
 
 void qwiic_keyboard_init(void) {
   twi2c_init();
@@ -69,10 +69,50 @@ void qwiic_keyboard_task(void) {
   if (qwiic_keyboard_master) {
     if (qwiic_keyboard_connected) {
       // send empty message, expecting matrix info
-      if (MSG_OK != twi2c_transmit_receive(qwiic_keyboard_listening_address,
+      if (MSG_OK == twi2c_transmit_receive(qwiic_keyboard_listening_address,
         command, 1,
         qwiic_keyboard_matrix_message, QWIIC_KEYBOARD_MATRIX_MESSAGE_SIZE
       )) {
+        // majority of this is pulled from keyboard.c:keyboard_task()
+        static qwiic_matrix_t matrix_prev[QWIIC_KEYBOARD_ROWS];
+        qwiic_matrix_t matrix_row = 0;
+        qwiic_matrix_t matrix_change = 0;
+        #ifdef QMK_KEYS_PER_SCAN
+          uint8_t keys_processed = 0;
+        #endif
+        qwiic_keyboard_processing_slave = true;
+        for (uint8_t r = 0; r < QWIIC_KEYBOARD_ROWS; r++) {
+          matrix_row = qwiic_keyboard_matrix_message[r];
+          matrix_change = matrix_row ^ matrix_prev[r];
+          if (matrix_change) {
+            for (uint8_t c = 0; c < QWIIC_KEYBOARD_COLS; c++) {
+              if (matrix_change & ((qwiic_matrix_t)1<<c)) {
+                action_exec((keyevent_t){
+                  .key = (keypos_t){ .row = r, .col = c },
+                  .pressed = (matrix_row & ((qwiic_matrix_t)1<<c)),
+                  .time = (timer_read() | 1) /* time should not be 0 */
+                });
+                // record a processed key
+                matrix_prev[r] ^= ((qwiic_matrix_t)1<<c);
+                #ifdef QMK_KEYS_PER_SCAN
+                  // only jump out if we have processed "enough" keys.
+                  if (++keys_processed >= QMK_KEYS_PER_SCAN)
+                #endif
+                // process a key per task call
+                goto QWIIC_MATRIX_LOOP_END;
+              }
+            }
+          }
+        }
+        // call with pseudo tick event when no real key event.
+        #ifdef QMK_KEYS_PER_SCAN
+          // we can get here with some keys processed now.
+          if (!keys_processed)
+        #endif
+        action_exec(TICK);
+        QWIIC_MATRIX_LOOP_END:
+        qwiic_keyboard_processing_slave = false;
+      } else {
         // disconnect
         // qwiic_keyboard_connected = false;
       }
@@ -150,40 +190,13 @@ bool is_keyboard_master(void) {
 }
 
 // overwrite the built-in function
-uint16_t keymap_key_to_keycode(uint8_t layer, keymatrix_t key) {
-  if (key.matrix == 0) {
-    // Read entire word (16bits)
-    return pgm_read_word(&keymaps[(layer)][(key.pos.row)][(key.pos.col)]);
+uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key) {
+  if (qwiic_keyboard_processing_slave) {
+    // trick the built-in handling to accept our replacement keymap
+    return qwiic_keyboard_keymap[(layer)][(key.row)][(key.col)];
+    //return KC_A;
   } else {
-    return qwiic_keyboard_keymap[(layer)][(key.pos.row)][(key.pos.col)];
+    // Read entire word (16bits)
+    return pgm_read_word(&keymaps[(layer)][(key.row)][(key.col)]);
   }
 }
-
-uint8_t multimatrix_get_num_matrices(void) {
-  return qwiic_keyboard_connected ? 1 : 0;
-}
-
-uint8_t multimatrix_get_num_cols(uint8_t matrix) {
-  return QWIIC_KEYBOARD_COLS;
-}
-
-uint8_t multimatrix_get_num_rows(uint8_t matrix) {
-  return QWIIC_KEYBOARD_ROWS;
-}
-
-uint32_t multimatrix_get_row(uint8_t matrix, uint8_t row) {
-return qwiic_keyboard_matrix_message[row];
-}
-
-uint32_t multimatrix_get_row_cache(uint8_t matrix, uint8_t row) {
-  return matrix_prev[row];
-}
-
-void multimatrix_set_row_cache(uint8_t matrix, uint8_t row, uint32_t value) {
-  matrix_prev[row] = value;
-}
-
-uint8_t* multimatrix_get_source_layers_cache(uint8_t matrix) {
-    static uint8_t source_layers_cache[(QWIIC_KEYBOARD_ROWS * QWIIC_KEYBOARD_COLS * MAX_LAYER_BITS + 7) / 8] = {0};
-    return source_layers_cache;
-}

keyboards/planck/old_keymap_files/keymap_common.c

@@ -18,7 +18,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 
 /* translates key to keycode */
-uint8_t keymap_key_to_keycode(uint8_t layer, keymatrix_t key)
+uint8_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
 {
     return pgm_read_byte(&keymaps[(layer)][(key.row)][(key.col)]);
 }

quantum/keymap.h

@@ -44,7 +44,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include "quantum_keycodes.h"
 
 // translates key to keycode
-uint16_t keymap_key_to_keycode(uint8_t layer, keymatrix_t key);
+uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key);
 
 // translates function id to action
 uint16_t keymap_function_id_to_action( uint16_t function_id );

quantum/keymap_common.c

@@ -38,7 +38,7 @@ extern keymap_config_t keymap_config;
 #include <inttypes.h>
 
 /* converts key to action */
-action_t action_for_key(uint8_t layer, keymatrix_t key)
+action_t action_for_key(uint8_t layer, keypos_t key)
 {
     // 16bit keycodes - important
     uint16_t keycode = keymap_key_to_keycode(layer, key);
@@ -184,12 +184,10 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
 
 // translates key to keycode
 __attribute__ ((weak))
-uint16_t keymap_key_to_keycode(uint8_t layer, keymatrix_t key)
+uint16_t keymap_key_to_keycode(uint8_t layer, keypos_t key)
 {
     // Read entire word (16bits)
-    // The default implmention does not have multiple matrix support
-    // and therfore it ignores the matrix field of the key
-    return pgm_read_word(&keymaps[(layer)][(key.pos.row)][(key.pos.col)]);
+    return pgm_read_word(&keymaps[(layer)][(key.row)][(key.col)]);
 }
 
 // translates function id to action

quantum/process_keycode/process_music.c

@@ -198,23 +198,22 @@ bool process_music(uint16_t keycode, keyrecord_t *record) {
       }
 
       uint8_t note = 36;
-      // Note: Multimatrix support is missing from this (it's probablly better to define it using keycodes)
       #ifdef MUSIC_MAP
         if (music_mode == MUSIC_MODE_CHROMATIC) {
-          note = music_starting_note + music_offset + 36 + music_map[record->event.key.pos.row][record->event.key.pos.col];
+          note = music_starting_note + music_offset + 36 + music_map[record->event.key.row][record->event.key.col];
         } else {
-          uint8_t position = music_map[record->event.key.pos.row][record->event.key.pos.col];
+          uint8_t position = music_map[record->event.key.row][record->event.key.col];
           note = music_starting_note + music_offset + 36 + SCALE[position % 12] + (position / 12)*12;
         }
       #else
         if (music_mode == MUSIC_MODE_CHROMATIC)
-          note = (music_starting_note + record->event.key.pos.col + music_offset - 3)+12*(MATRIX_ROWS - record->event.key.pos.row);
+          note = (music_starting_note + record->event.key.col + music_offset - 3)+12*(MATRIX_ROWS - record->event.key.row);
         else if (music_mode == MUSIC_MODE_GUITAR)
-          note = (music_starting_note + record->event.key.pos.col + music_offset + 32)+5*(MATRIX_ROWS - record->event.key.pos.row);
+          note = (music_starting_note + record->event.key.col + music_offset + 32)+5*(MATRIX_ROWS - record->event.key.row);
         else if (music_mode == MUSIC_MODE_VIOLIN)
-          note = (music_starting_note + record->event.key.pos.col + music_offset + 32)+7*(MATRIX_ROWS - record->event.key.pos.row);
+          note = (music_starting_note + record->event.key.col + music_offset + 32)+7*(MATRIX_ROWS - record->event.key.row);
         else if (music_mode == MUSIC_MODE_MAJOR)
-          note = (music_starting_note + SCALE[record->event.key.pos.col + music_offset] - 3)+12*(MATRIX_ROWS - record->event.key.pos.row);
+          note = (music_starting_note + SCALE[record->event.key.col + music_offset] - 3)+12*(MATRIX_ROWS - record->event.key.row);
         else
           note = music_starting_note;
       #endif

quantum/quantum.c

@@ -190,7 +190,7 @@ static bool grave_esc_was_shifted = false;
 bool process_record_quantum(keyrecord_t *record) {
 
   /* This gets the keycode from the key pressed */
-  keymatrix_t key = record->event.key;
+  keypos_t key = record->event.key;
   uint16_t keycode;
 
   #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)

quantum/rgb_matrix.c

@@ -119,8 +119,7 @@ void rgb_matrix_set_color_all( uint8_t red, uint8_t green, uint8_t blue ) {
 bool process_rgb_matrix(uint16_t keycode, keyrecord_t *record) {
     if ( record->event.pressed ) {
         uint8_t led[8], led_count;
-        // TODO: Support multi-matrix keyboards
-        map_row_column_to_led(record->event.key.pos.row, record->event.key.pos.col, led, &led_count);
+        map_row_column_to_led(record->event.key.row, record->event.key.col, led, &led_count);
         if (led_count > 0) {
             for (uint8_t i = LED_HITS_TO_REMEMBER; i > 1; i--) {
                 g_last_led_hit[i - 1] = g_last_led_hit[i - 2];

tests/layer_cache/config.h

@@ -1,21 +0,0 @@
-/* Copyright 2018 Fred Sundvik
- *
- * 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 MATRIX_ROWS 2
-#define MATRIX_COLS 2
-#define PREVENT_STUCK_MODIFIERS

tests/layer_cache/keymap.c

@@ -1,24 +0,0 @@
-/* Copyright 2018 Fred Sundvik
- *
- * 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/>.
- */
-
-#include "quantum.h"
-
-const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-    [0] = {
-      {KC_A, KC_B},
-      {KC_C, KC_D},
-    }
-};

tests/layer_cache/rules.mk

@@ -1,16 +0,0 @@
-# Copyright 2018 Fred Sundvik
-#
-# 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/>.
-
-CUSTOM_MATRIX=yes

tests/layer_cache/test_layer_cache.cpp

@@ -1,142 +0,0 @@
-/* Copyright 2018 Fred Sundvik
- *
- * 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/>.
- */
-
-#include "test_common.hpp"
-
-#if MAX_LAYER_BITS != 5
-#error "Tese tests assume that the MAX_LAYER_BITS is equal to 5"
-// If this is changed, change the constants below
-#endif
-
-#if MATRIX_COLS != 2 || MATRIX_ROWS !=2
-#error "These tests assume that the second row starts after the second column"
-#endif
-
-namespace
-{
-  constexpr uint8_t max_layer_value = 0b11111;
-  constexpr uint8_t min_layer_value = 0;
-  constexpr uint8_t alternating_starting_with_1 = 0b10101;
-  constexpr uint8_t alternating_starting_with_0 = 0b01010;
-
-
-  uint8_t read_cache(uint8_t col, uint8_t row) {
-    keymatrix_t key;
-    key.pos.col = col;
-    key.pos.row =  row;
-    key.matrix = 0;
-    return read_source_layers_cache(key);
-  }
-
-  void write_cache(uint8_t col, uint8_t row, uint8_t value) {
-    keymatrix_t key;
-    key.pos.col = col;
-    key.pos.row = row;
-    key.matrix = 0;
-    return update_source_layers_cache(key, value);
-  }
-
-  void fill_cache() {
-    for (int i=0; i < MATRIX_ROWS; i++) {
-      for (int j=0; j < MATRIX_COLS; j++) {
-        write_cache(j, i, max_layer_value);
-      }
-    }
-  }
-
-  void clear_cache() {
-    for (int i=0; i < MATRIX_ROWS; i++) {
-      for (int j=0; j < MATRIX_COLS; j++) {
-        write_cache(j, i, min_layer_value);
-      }
-    }
-  }
-}
-
-class LayerCache : public testing::Test
-{
-public:
-  LayerCache()
-  {
-    clear_cache();
-  }
-};
-
-TEST_F(LayerCache, LayerCacheIsInitializedToZero) {
-  for (int i=0; i < MATRIX_ROWS; i++) {
-    for (int j=0; j < MATRIX_COLS; j++) {
-      EXPECT_EQ(read_cache(j, i), min_layer_value);
-    }
-  }
-}
-
-TEST_F(LayerCache, FillAndClearCache) {
-  fill_cache();
-  clear_cache();
-  for (int i=0; i < MATRIX_ROWS; i++) {
-    for (int j=0; j < MATRIX_COLS; j++) {
-      EXPECT_EQ(read_cache(j, i), min_layer_value);
-    }
-  }
-}
-
-TEST_F(LayerCache, WriteAndReadFirstPosMaximumValue) {
-  write_cache(0, 0, max_layer_value);
-  EXPECT_EQ(read_cache(0, 0), max_layer_value);
-  // The second position should not be updated
-  EXPECT_EQ(read_cache(1, 0), min_layer_value);
-  EXPECT_EQ(read_cache(0, 1), min_layer_value);
-}
-
-TEST_F(LayerCache, WriteAndReadSecondPosMaximumValue) {
-  write_cache(1, 0, max_layer_value);
-  EXPECT_EQ(read_cache(1, 0), max_layer_value);
-  // The surrounding positions should not be updated
-  EXPECT_EQ(read_cache(0, 0), min_layer_value);
-  EXPECT_EQ(read_cache(0, 1), min_layer_value);
-}
-
-TEST_F(LayerCache, WriteAndReadFirstPosAlternatingBitsStartingWith1) {
-  write_cache(0, 0, alternating_starting_with_1);
-  EXPECT_EQ(read_cache(0, 0), alternating_starting_with_1);
-  // The second position should not be updated
-  EXPECT_EQ(read_cache(1, 0), min_layer_value);
-  EXPECT_EQ(read_cache(0, 1), min_layer_value);
-}
-
-TEST_F(LayerCache, WriteAndReadSecondPosAlternatingBitsStartingWith1) {
-  write_cache(1, 0, alternating_starting_with_1);
-  EXPECT_EQ(read_cache(1, 0), alternating_starting_with_1);
-  // The surrounding positions should not be updated
-  EXPECT_EQ(read_cache(0, 0), min_layer_value);
-  EXPECT_EQ(read_cache(0, 1), min_layer_value);
-}
-
-TEST_F(LayerCache, WriteAndReadFirstPosAlternatingBitsStartingWith0) {
-  write_cache(0, 0, alternating_starting_with_0);
-  EXPECT_EQ(read_cache(0, 0), alternating_starting_with_0);
-  // The second position should not be updated
-  EXPECT_EQ(read_cache(1, 0), min_layer_value);
-  EXPECT_EQ(read_cache(0, 1), min_layer_value);
-}
-
-TEST_F(LayerCache, WriteAndReadSecondPosAlternatingBitsStartingWith0) {
-  write_cache(1, 0, alternating_starting_with_0);
-  EXPECT_EQ(read_cache(1, 0), alternating_starting_with_0);
-  // The surrounding positions should not be updated
-  EXPECT_EQ(read_cache(0, 0), min_layer_value);
-  EXPECT_EQ(read_cache(0, 1), min_layer_value);
-}

tmk_core/common/action.c

@@ -106,14 +106,13 @@ bool swap_held = false;
 void process_hand_swap(keyevent_t *event) {
     static swap_state_row_t swap_state[MATRIX_ROWS];
 
-    // TODO: Properly support multimatrices, currenty this only works for single-matrix keyboards
-    keypos_t pos = event->key.pos;
+    keypos_t pos = event->key;
     swap_state_row_t col_bit = (swap_state_row_t)1<<pos.col;
     bool do_swap = event->pressed ? swap_hands :
                                     swap_state[pos.row] & (col_bit);
 
     if (do_swap) {
-        event->key.pos = hand_swap_config[pos.row][pos.col];
+        event->key = hand_swap_config[pos.row][pos.col];
         swap_state[pos.row] |= col_bit;
     } else {
         swap_state[pos.row] &= ~(col_bit);
@@ -893,7 +892,7 @@ void clear_keyboard_but_mods(void)
  *
  * FIXME: Needs documentation.
  */
-bool is_tap_key(keymatrix_t key)
+bool is_tap_key(keypos_t key)
 {
     action_t action = layer_switch_get_action(key);
 

tmk_core/common/action.h

@@ -50,7 +50,7 @@ typedef struct {
 void action_exec(keyevent_t event);
 
 /* action for key */
-action_t action_for_key(uint8_t layer, keymatrix_t key);
+action_t action_for_key(uint8_t layer, keypos_t key);
 
 /* macro */
 const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt);
@@ -94,7 +94,7 @@ void unregister_mods(uint8_t mods);
 void clear_keyboard(void);
 void clear_keyboard_but_mods(void);
 void layer_switch(uint8_t new_layer);
-bool is_tap_key(keymatrix_t key);
+bool is_tap_key(keypos_t key);
 
 #ifndef NO_ACTION_TAPPING
 void process_record_tap_hint(keyrecord_t *record);

tmk_core/common/action_layer.c

@@ -220,102 +220,37 @@ void layer_debug(void)
 #endif
 
 #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
-static const uint8_t layer_cache_mask = (1u << MAX_LAYER_BITS) - 1;
+uint8_t source_layers_cache[(MATRIX_ROWS * MATRIX_COLS + 7) / 8][MAX_LAYER_BITS] = {{0}};
 
-/** \brief Get the pointer to the source layer cache for a connected matrix
- *
- * Implement this if you support multiple matrices, see qwiic_keyboard.c for an example
- * NOTE: The matrix index 0 is the first remote matrix, the function is not called for the master
- */
-__attribute__((weak))
-uint8_t* multimatrix_get_source_layers_cache(uint8_t matrix) {
-    return 0;
-}
-
-static uint8_t* get_source_layers_cache(keymatrix_t key) {
-  if (key.matrix == 0) {
-    static uint8_t source_layers_cache[(MATRIX_ROWS * MATRIX_COLS * MAX_LAYER_BITS + 7) / 8] = {0};
-    return source_layers_cache;
-  } else {
-    return multimatrix_get_source_layers_cache(key.matrix - 1);
-  }
-}
-
-void update_source_layers_cache(keymatrix_t key, uint8_t layer)
+void update_source_layers_cache(keypos_t key, uint8_t layer)
 {
-  const uint8_t num_cols = keyboard_get_num_cols(key.matrix);
-  const uint8_t num_rows = keyboard_get_num_rows(key.matrix);
-  const uint16_t num_cache_bytes = get_source_layers_cache_size(num_cols, num_rows);
-  uint8_t* cache = get_source_layers_cache(key);
-  const uint16_t key_number = key.pos.col + (key.pos.row * num_cols);
-  const uint32_t bit_number = key_number * MAX_LAYER_BITS;
-  const uint16_t byte_number = bit_number / 8;
-  if (byte_number >= num_cache_bytes) {
-    return;
-  }
-  const uint8_t bit_position = bit_number % 8;
-  int8_t shift = 16 - MAX_LAYER_BITS - bit_position;
+    const uint8_t key_number = key.col + (key.row * MATRIX_COLS);
+    const uint8_t storage_row = key_number / 8;
+    const uint8_t storage_bit = key_number % 8;
 
-  if (shift > 8 ) {
-    // We need to write only one byte
-    shift -= 8;
-    const uint8_t mask = layer_cache_mask << shift;
-    const uint8_t shifted_layer = layer << shift;
-    cache[byte_number] = (shifted_layer & mask) | (cache[byte_number] & (~mask));
-  } else {
-    if (byte_number + 1 >= num_cache_bytes) {
-      return;
+    for (uint8_t bit_number = 0; bit_number < MAX_LAYER_BITS; bit_number++) {
+        source_layers_cache[storage_row][bit_number] ^=
+            (-((layer & (1U << bit_number)) != 0)
+             ^ source_layers_cache[storage_row][bit_number])
+            & (1U << storage_bit);
     }
-    // We need to write two bytes
-    uint16_t value = layer;
-    uint16_t mask = layer_cache_mask;
-    value <<= shift;
-    mask <<= shift;
-
-    uint16_t masked_value = value & mask;
-    uint16_t inverse_mask = ~mask;
-
-    // This could potentially be done with a single write, but then we have to assume the endian
-    cache[byte_number + 1] = masked_value | (cache[byte_number + 1] & (inverse_mask));
-    masked_value >>= 8;
-    inverse_mask >>= 8;
-    cache[byte_number] = masked_value | (cache[byte_number] & (inverse_mask));
-  }
 }
 
-uint8_t read_source_layers_cache(keymatrix_t key)
+uint8_t read_source_layers_cache(keypos_t key)
 {
-  const uint8_t num_cols = keyboard_get_num_cols(key.matrix);
-  const uint8_t num_rows = keyboard_get_num_rows(key.matrix);
-  const uint16_t num_cache_bytes = get_source_layers_cache_size(num_cols, num_rows);
-  uint8_t* cache = get_source_layers_cache(key);
-  const uint16_t key_number = key.pos.col + (key.pos.row * num_cols);
-  const uint32_t bit_number = key_number * MAX_LAYER_BITS;
-  const uint16_t byte_number = bit_number / 8;
-  if (byte_number >= num_cache_bytes) {
-    return 0;
-  }
-  const uint8_t bit_position = bit_number % 8;
+    const uint8_t key_number = key.col + (key.row * MATRIX_COLS);
+    const uint8_t storage_row = key_number / 8;
+    const uint8_t storage_bit = key_number % 8;
+    uint8_t layer = 0;
 
-  int8_t shift = 16 - MAX_LAYER_BITS - bit_position;
-
-  if (shift > 8 ) {
-    // We need to read only one byte
-    shift -= 8;
-    return (cache[byte_number] >> shift) & layer_cache_mask;
-  } else {
-    if (byte_number + 1 >= num_cache_bytes) {
-      return 0;
+    for (uint8_t bit_number = 0; bit_number < MAX_LAYER_BITS; bit_number++) {
+        layer |=
+            ((source_layers_cache[storage_row][bit_number]
+              & (1U << storage_bit)) != 0)
+            << bit_number;
     }
-    // Otherwise read two bytes
-    // This could potentially be done with a single read, but then we have to assume the endian
-    uint16_t value = cache[byte_number] << 8 | cache[byte_number + 1];
-    return (value >> shift) & layer_cache_mask;
-  }
-}
 
-uint8_t get_source_layers_cache_size(uint8_t num_cols, uint8_t num_rows) {
-  return (num_rows * num_cols * MAX_LAYER_BITS + 7) / 8;
+    return layer;
 }
 #endif
 
@@ -326,7 +261,7 @@ uint8_t get_source_layers_cache_size(uint8_t num_cols, uint8_t num_rows) {
  * when the layer is switched after the down event but before the up
  * event as they may get stuck otherwise.
  */
-action_t store_or_get_action(bool pressed, keymatrix_t key)
+action_t store_or_get_action(bool pressed, keypos_t key)
 {
 #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
     if (disable_action_cache) {
@@ -353,7 +288,7 @@ action_t store_or_get_action(bool pressed, keymatrix_t key)
  *
  * FIXME: Needs docs
  */
-int8_t layer_switch_get_layer(keymatrix_t key)
+int8_t layer_switch_get_layer(keypos_t key)
 {
 #ifndef NO_ACTION_LAYER
     action_t action;
@@ -380,7 +315,7 @@ int8_t layer_switch_get_layer(keymatrix_t key)
  *
  * FIXME: Needs docs
  */
-action_t layer_switch_get_action(keymatrix_t key)
+action_t layer_switch_get_action(keypos_t key)
 {
     return action_for_key(layer_switch_get_layer(key), key);
 }

tmk_core/common/action_layer.h

@@ -91,17 +91,15 @@ uint32_t layer_state_set_kb(uint32_t state);
 #if !defined(NO_ACTION_LAYER) && defined(PREVENT_STUCK_MODIFIERS)
 /* The number of bits needed to represent the layer number: log2(32). */
 #define MAX_LAYER_BITS 5
-void update_source_layers_cache(keymatrix_t key, uint8_t layer);
-uint8_t read_source_layers_cache(keymatrix_t key);
-
-uint8_t get_source_layers_cache_size(uint8_t num_cols, uint8_t num_rows);
+void update_source_layers_cache(keypos_t key, uint8_t layer);
+uint8_t read_source_layers_cache(keypos_t key);
 #endif
-action_t store_or_get_action(bool pressed, keymatrix_t key);
+action_t store_or_get_action(bool pressed, keypos_t key);
 
 /* return the topmost non-transparent layer currently associated with key */
-int8_t layer_switch_get_layer(keymatrix_t key);
+int8_t layer_switch_get_layer(keypos_t key);
 
 /* return action depending on current layer status */
-action_t layer_switch_get_action(keymatrix_t key);
+action_t layer_switch_get_action(keypos_t key);
 
 #endif

tmk_core/common/bootmagic.c

@@ -116,7 +116,7 @@ static bool scan_keycode(uint8_t keycode)
         matrix_row_t matrix_row = matrix_get_row(r);
         for (uint8_t c = 0; c < MATRIX_COLS; c++) {
             if (matrix_row & ((matrix_row_t)1<<c)) {
-                if (keycode == keymap_key_to_keycode(0, (keymatrix_t){ (keypos_t){.row = r, .col = c }, .matrix=0 })) {
+                if (keycode == keymap_key_to_keycode(0, (keypos_t){ .row = r, .col = c })) {
                     return true;
                 }
             }

tmk_core/common/keyboard.c

@@ -145,132 +145,6 @@ bool is_keyboard_master(void) {
     return true;
 }
 
-/** \brief Get the number of currently connected matrices
- *
- * Implement this if you support multiple matrices, see qwiic_keyboard.c for an example
- * NOTE: It should return the number of additional matrices, the master is always implied.
- */
-__attribute__((weak))
-uint8_t multimatrix_get_num_matrices(void) {
-    return 0;
-}
-
-/** \brief Get the number of columns of a connected matrix
- *
- * Implement this if you support multiple matrices, see qwiic_keyboard.c for an example
- * NOTE: The matrix index 0 is the first remote matrix, the function is not called for the master
- */
-__attribute__((weak))
-uint8_t multimatrix_get_num_cols(uint8_t matrix) {
-    return 0;
-}
-
-/** \brief Get the number of rows of a connected matrix
- *
- * Implement this if you support multiple matrices, see qwiic_keyboard.c for an example
- * NOTE: The matrix index 0 is the first remote matrix, the function is not called for the master
- */
-__attribute__((weak))
-uint8_t multimatrix_get_num_rows(uint8_t matrix) {
-    return 0;
-}
-
-/** \brief Get the row status of a connected matrix
- *
- * Implement this if you support multiple matrices, see qwiic_keyboard.c for an example
- * NOTE: The matrix index 0 is the first remote matrix, the function is not called for the master
- */
-__attribute__((weak))
-uint32_t multimatrix_get_row(uint8_t matrix, uint8_t row) {
-    return 0;
-}
-
-/** \brief Get the row cache of a connected matrix
- *
- * Implement this if you support multiple matrices, see qwiic_keyboard.c for an example
- * NOTE: The matrix index 0 is the first remote matrix, the function is not called for the master
- */
-__attribute__((weak))
-uint32_t multimatrix_get_row_cache(uint8_t matrix, uint8_t row) {
-    return 0;
-}
-
-/** \brief Set the row cache of a connected matrix
- *
- * Implement this if you support multiple matrices, see qwiic_keyboard.c for an example
- * NOTE: The matrix index 0 is the first remote matrix, the function is not called for the master
- */
-__attribute__((weak))
-void multimatrix_set_row_cache(uint8_t matrix, uint8_t row, uint32_t value) {
-}
-
-/** \brief Get the number of currently connected matrices
- *
- * For normal keyboards this usually returns 1, but for multi-matrix keyboards this will
- * return the total number of connected keyboards/modules including the master
- */
-uint8_t keyboard_get_num_matrices(void) {
-    return 1 + multimatrix_get_num_matrices();
-}
-
-/** \brief Get the number of columns of a connected matrix
- *
- * Specify the matrix index to query connected multi-matrix keyboards/modules
- * 0 is always the master
- */
-uint8_t keyboard_get_num_cols(uint8_t matrix) {
-    if (matrix == 0) {
-      return MATRIX_COLS;
-    } else {
-      return multimatrix_get_num_cols(matrix - 1);
-    }
-}
-
-/** \brief Get the number of rows of a connected matrix
- *
- * Specify the matrix index to query connected multi-matrix keyboards/modules
- * 0 is always the master
- */
-uint8_t keyboard_get_num_rows(uint8_t matrix) {
-    if (matrix == 0) {
-      return MATRIX_ROWS;
-    } else {
-      return multimatrix_get_num_rows(matrix - 1);
-    }
-}
-
-/** \brief Get the row status of a connected matrix
- *
- * Specify the matrix index to query connected multi-matrix keyboards/modules
- * 0 is always the master
- */
-uint32_t keyboard_get_row(uint8_t matrix, uint8_t row) {
-    if (matrix == 0) {
-      return matrix_get_row(row);
-    } else {
-      return multimatrix_get_row(matrix - 1, row);
-    }
-}
-
-static matrix_row_t matrix_prev[MATRIX_ROWS];
-
-static uint32_t get_row_cache(uint8_t matrix, uint8_t row) {
-    if (matrix == 0) {
-      return matrix_prev[row];
-    } else {
-      return multimatrix_get_row_cache(matrix - 1, row);
-    }
-}
-
-static void set_row_cache(uint8_t matrix, uint8_t row, uint32_t value) {
-    if (matrix == 0) {
-      matrix_prev[row] = value;
-    } else {
-      return multimatrix_set_row_cache(matrix - 1, row, value);
-    }
-}
-
-
 /** \brief keyboard_init
  *
  * FIXME: needs doc
@@ -329,57 +203,53 @@ void keyboard_init(void) {
  */
 void keyboard_task(void)
 {
+    static matrix_row_t matrix_prev[MATRIX_ROWS];
+#ifdef MATRIX_HAS_GHOST
+  //  static matrix_row_t matrix_ghost[MATRIX_ROWS];
+#endif
     static uint8_t led_status = 0;
-    uint32_t matrix_row = 0;
-    uint32_t matrix_change = 0;
+    matrix_row_t matrix_row = 0;
+    matrix_row_t matrix_change = 0;
 #ifdef QMK_KEYS_PER_SCAN
     uint8_t keys_processed = 0;
 #endif
 
     matrix_scan();
     if (is_keyboard_master()) {
-        for (uint8_t m = 0; m < keyboard_get_num_matrices(); m++) {
-            uint8_t num_cols = keyboard_get_num_cols(m);
-            uint8_t num_rows = keyboard_get_num_rows(m);
-            for (uint8_t r = 0; r < num_rows; r++) {
-                matrix_row = keyboard_get_row(m, r);
-                uint32_t row_cache = get_row_cache(m, r);
-                matrix_change = matrix_row ^ row_cache;
-                if (matrix_change) {
+        for (uint8_t r = 0; r < MATRIX_ROWS; r++) {
+            matrix_row = matrix_get_row(r);
+            matrix_change = matrix_row ^ matrix_prev[r];
+            if (matrix_change) {
 #ifdef MATRIX_HAS_GHOST
-                    //NOTE: The we support ghosting only for the main matrix, since it's only useful for old keyboards without diodes
-                    if (has_ghost_in_row(r, matrix_row)) {
-                        /* Keep track of whether ghosted status has changed for
-                        * debugging. But don't update matrix_prev until un-ghosted, or
-                        * the last key would be lost.
-                        */
-                        //if (debug_matrix && matrix_ghost[r] != matrix_row) {
-                        //    matrix_print();
-                        //}
-                        //matrix_ghost[r] = matrix_row;
-                        continue;
-                    }
+                if (has_ghost_in_row(r, matrix_row)) {
+                    /* Keep track of whether ghosted status has changed for
+                    * debugging. But don't update matrix_prev until un-ghosted, or
+                    * the last key would be lost.
+                    */
+                    //if (debug_matrix && matrix_ghost[r] != matrix_row) {
+                    //    matrix_print();
+                    //}
                     //matrix_ghost[r] = matrix_row;
+                    continue;
+                }
+                //matrix_ghost[r] = matrix_row;
 #endif
-                    if (debug_matrix) matrix_print();
-                    for (uint8_t c = 0; c < num_cols; c++) {
-                        if (matrix_change & (uint32_t)(1u<<c)) {
-                            action_exec((keyevent_t){
-                                // The main matrix is always 0
-                                .key = (keymatrix_t){.pos = (keypos_t){ .row = r, .col = c }, .matrix = m},
-                                .pressed = (matrix_row & ((uint32_t)1u<<c)),
-                                .time = (timer_read() | 1) /* time should not be 0 */
-                            });
-                            // record a processed key
-                            row_cache ^= (uint32_t)(1u<<c);
-                            set_row_cache(m, r, row_cache);
+                if (debug_matrix) matrix_print();
+                for (uint8_t c = 0; c < MATRIX_COLS; c++) {
+                    if (matrix_change & ((matrix_row_t)1<<c)) {
+                        action_exec((keyevent_t){
+                            .key = (keypos_t){ .row = r, .col = c },
+                            .pressed = (matrix_row & ((matrix_row_t)1<<c)),
+                            .time = (timer_read() | 1) /* time should not be 0 */
+                        });
+                        // record a processed key
+                        matrix_prev[r] ^= ((matrix_row_t)1<<c);
 #ifdef QMK_KEYS_PER_SCAN
-                            // only jump out if we have processed "enough" keys.
-                            if (++keys_processed >= QMK_KEYS_PER_SCAN)
+                        // only jump out if we have processed "enough" keys.
+                        if (++keys_processed >= QMK_KEYS_PER_SCAN)
 #endif
-                            // process a key per task call
-                            goto MATRIX_LOOP_END;
-                        }
+                        // process a key per task call
+                        goto MATRIX_LOOP_END;
                     }
                 }
             }

tmk_core/common/keyboard.h

@@ -32,33 +32,27 @@ typedef struct {
     uint8_t row;
 } keypos_t;
 
-/* the key and matrix position */
-typedef struct {
-  keypos_t pos;
-  uint8_t matrix;
-} keymatrix_t;
-
 /* key event */
 typedef struct {
-    keymatrix_t    key;
+    keypos_t key;
     bool     pressed;
     uint16_t time;
 } keyevent_t;
 
-/* equivalent test of keymatrix_t */
-#define KEYEQ(keya, keyb)       (keya.pos.row == keyb.pos.row && keya.pos.col == keyb.pos.col && keya.matrix == keyb.matrix)
+/* equivalent test of keypos_t */
+#define KEYEQ(keya, keyb)       ((keya).row == (keyb).row && (keya).col == (keyb).col)
 
 /* Rules for No Event:
  * 1) (time == 0) to handle (keyevent_t){} as empty event
  * 2) Matrix(255, 255) to make TICK event available
  */
-static inline bool IS_NOEVENT(keyevent_t event) { return event.time == 0 || (event.key.pos.row == 255 && event.key.pos.col == 255); }
+static inline bool IS_NOEVENT(keyevent_t event) { return event.time == 0 || (event.key.row == 255 && event.key.col == 255); }
 static inline bool IS_PRESSED(keyevent_t event) { return (!IS_NOEVENT(event) && event.pressed); }
 static inline bool IS_RELEASED(keyevent_t event) { return (!IS_NOEVENT(event) && !event.pressed); }
 
 /* Tick event */
 #define TICK                    (keyevent_t){           \
-    .key = (keymatrix_t){ .pos = (keypos_t){.row = 255, .col = 255}, .matrix = 0 },           \
+    .key = (keypos_t){ .row = 255, .col = 255 },           \
     .pressed = false,                                   \
     .time = (timer_read() | 1)                          \
 }
@@ -72,11 +66,6 @@ void keyboard_task(void);
 /* it runs when host LED status is updated */
 void keyboard_set_leds(uint8_t leds);
 
-uint8_t keyboard_get_num_matrices(void);
-uint8_t keyboard_get_num_cols(uint8_t matrix);
-uint8_t keyboard_get_num_rows(uint8_t matrix);
-uint32_t keyboard_get_row(uint8_t matrix, uint8_t row);
-
 #ifdef __cplusplus
 }
 #endif