Simplify Keymap Config EEPROM (#18886)

* Simplify Keymap Config EEPROM

* Decrement eeconfig magic number due to eeconfig changes

* Update quantum/eeconfig.h

Co-authored-by: Joel Challis <git@zvecr.com>

quantum/eeconfig.c

@@ -45,10 +45,8 @@ void eeconfig_init_quantum(void) {
     eeprom_update_byte(EECONFIG_DEBUG, 0);
     eeprom_update_byte(EECONFIG_DEFAULT_LAYER, 0);
     default_layer_state = 0;
-    eeprom_update_byte(EECONFIG_KEYMAP_LOWER_BYTE, 0);
-    // Enable oneshot and autocorrect by default: 0b0001 0100
-    eeprom_update_byte(EECONFIG_KEYMAP_UPPER_BYTE, 0x14);
-    eeprom_update_byte(EECONFIG_MOUSEKEY_ACCEL, 0);
+    // Enable oneshot and autocorrect by default: 0b0001 0100 0000 0000
+    eeprom_update_word(EECONFIG_KEYMAP, 0x1400);
     eeprom_update_byte(EECONFIG_BACKLIGHT, 0);
     eeprom_update_byte(EECONFIG_AUDIO, 0xFF); // On by default
     eeprom_update_dword(EECONFIG_RGBLIGHT, 0);
@@ -167,15 +165,14 @@ void eeconfig_update_default_layer(uint8_t val) {
  * FIXME: needs doc
  */
 uint16_t eeconfig_read_keymap(void) {
-    return (eeprom_read_byte(EECONFIG_KEYMAP_LOWER_BYTE) | (eeprom_read_byte(EECONFIG_KEYMAP_UPPER_BYTE) << 8));
+    return eeprom_read_word(EECONFIG_KEYMAP);
 }
 /** \brief eeconfig update keymap
  *
  * FIXME: needs doc
  */
 void eeconfig_update_keymap(uint16_t val) {
-    eeprom_update_byte(EECONFIG_KEYMAP_LOWER_BYTE, val & 0xFF);
-    eeprom_update_byte(EECONFIG_KEYMAP_UPPER_BYTE, (val >> 8) & 0xFF);
+    eeprom_update_word(EECONFIG_KEYMAP, val);
 }
 
 /** \brief eeconfig read audio

quantum/eeconfig.h

@@ -21,7 +21,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <stdbool.h>
 
 #ifndef EECONFIG_MAGIC_NUMBER
-#    define EECONFIG_MAGIC_NUMBER (uint16_t)0xFEE8 // When changing, decrement this value to avoid future re-init issues
+#    define EECONFIG_MAGIC_NUMBER (uint16_t)0xFEE7 // When changing, decrement this value to avoid future re-init issues
 #endif
 #define EECONFIG_MAGIC_NUMBER_OFF (uint16_t)0xFFFF
 
@@ -29,8 +29,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define EECONFIG_MAGIC (uint16_t *)0
 #define EECONFIG_DEBUG (uint8_t *)2
 #define EECONFIG_DEFAULT_LAYER (uint8_t *)3
-#define EECONFIG_KEYMAP (uint8_t *)4
-#define EECONFIG_MOUSEKEY_ACCEL (uint8_t *)5
+#define EECONFIG_KEYMAP (uint16_t *)4
 #define EECONFIG_BACKLIGHT (uint8_t *)6
 #define EECONFIG_AUDIO (uint8_t *)7
 #define EECONFIG_RGBLIGHT (uint32_t *)8
@@ -51,10 +50,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define EECONFIG_LED_MATRIX_EXTENDED (uint16_t *)32
 #define EECONFIG_RGB_MATRIX_EXTENDED (uint16_t *)32
 
-// TODO: Combine these into a single word and single block of EEPROM
-#define EECONFIG_KEYMAP_UPPER_BYTE (uint8_t *)34
 // Size of EEPROM being used, other code can refer to this for available EEPROM
-#define EECONFIG_SIZE 35
+#define EECONFIG_SIZE 34
 /* debug bit */
 #define EECONFIG_DEBUG_ENABLE (1 << 0)
 #define EECONFIG_DEBUG_MATRIX (1 << 1)
@@ -71,8 +68,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define EECONFIG_KEYMAP_SWAP_BACKSLASH_BACKSPACE (1 << 6)
 #define EECONFIG_KEYMAP_NKRO (1 << 7)
 
-#define EECONFIG_KEYMAP_LOWER_BYTE EECONFIG_KEYMAP
-
 bool eeconfig_is_enabled(void);
 bool eeconfig_is_disabled(void);