2020 May 30 Breaking Changes Update (#9215)

* Branch point for 2020 May 30 Breaking Change

* Migrate `ACTION_LAYER_TOGGLE` to `TG()` (#8954)

* Migrate `ACTION_MODS_ONESHOT` to `OSM()` (#8957)

* Migrate `ACTION_DEFAULT_LAYER_SET` to `DF()` (#8958)

* Migrate `ACTION_LAYER_MODS` to `LM()` (#8959)

* Migrate `ACTION_MODS_TAP_KEY` to `MT()` (#8968)

* Convert V-USB usbdrv to a submodule (#8321)

* Unify Tap Hold functions and documentation (#8348)

* Changing board names to prevent confusion (#8412)

* Move the Keyboardio Model01 to a keyboardio/ subdir (#8499)

* Move spaceman keyboards (#8830)

* Migrate miscellaneous `fn_actions` entries (#8977)

* Migrate `ACTION_MODS_KEY` to chained mod keycodes (#8979)

* Organizing my keyboards (plaid, tartan, ergoinu) (#8537)

* Refactor Lily58 to use split_common (#6260)

* Refactor zinc to use split_common (#7114)

* Add a message if bin/qmk doesn't work (#9000)

* Fix conflicting types for 'tfp_printf' (#8269)

* Fixed RGB_DISABLE_AFTER_TIMEOUT to be seconds based & small internals cleanup (#6480)

* Refactor and updates to TKC1800 code (#8472)

* Switch to qmk forks for everything (#9019)

* audio refactor: replace deprecated PLAY_NOTE_ARRAY (#8484)

* Audio enable corrections (2/3) (#8903)

* Split HHKB to ANSI and JP layouts and Add VIA support for each (#8582)

* Audio enable corrections (Part 4) (#8974)

* Fix typo from PR7114 (#9171)

* Augment future branch Changelogs (#8978)

* Revert "Branch point for 2020 May 30 Breaking Change"

9 files changed, 120 insertions, 463 deletions

diff --git a/keyboards/tkc1800/keymaps/default/config.h b/keyboards/tkc1800/keymaps/default/config.h
deleted file mode 100644
index ee142927f3..0000000000
--- a/keyboards/tkc1800/keymaps/default/config.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* Copyright 2017 Mathias Andersson <wraul@dbox.se>
- *
- * 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 USE_I2C
-#define SSD1306OLED
-//#define OLED_ROTATE180
-#define SSD1306_ADDRESS 0x3C
-
-// place overrides here
diff --git a/keyboards/tkc1800/keymaps/default/keymap.c b/keyboards/tkc1800/keymaps/default/keymap.c
index 5455934a30..4f4c7f8e9c 100644
--- a/keyboards/tkc1800/keymaps/default/keymap.c
+++ b/keyboards/tkc1800/keymaps/default/keymap.c
@@ -13,11 +13,8 @@
  * 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 QMK_KEYBOARD_H
-#include "LUFA/Drivers/Peripheral/TWI.h"
-#include "i2c.h"
-#include "ssd1306.h"
-
 
 //Layers
 
@@ -26,13 +23,6 @@ enum {
   FUNCTION,
 };
 
-bool screenWorks = 0;
-
-//13 characters max without re-writing the "Layer: " format in iota_gfx_task_user()
-static char layer_lookup[][14] = {"Base","Function"};
-
-
-
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   /* Keymap BASE: (Base Layer) Default Layer
    * ,-------------------------------------------------------.     ,-------------------.
@@ -88,72 +78,29 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   ),
 };
 
-bool process_record_user(uint16_t keycode, keyrecord_t *record) {
-  return true;
-}
-
-void led_set_user(uint8_t usb_led) {
 
-}
-
-void matrix_init_user(void) {
-  #ifdef USE_I2C
-    i2c_master_init();
-    #ifdef SSD1306OLED
-      // calls code for the SSD1306 OLED
-      _delay_ms(400);
-      TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 800000));
-      if ( iota_gfx_init() ) { // turns on the display
-        screenWorks = 1;
-      }
-    #endif
-  #endif
-  #ifdef AUDIO_ENABLE
-    startup_user();
-  #endif
-}
-
-void matrix_scan_user(void) {
-  #ifdef SSD1306OLED
-    if ( screenWorks ) {
-      iota_gfx_task();  // this is what updates the display continuously
-    };
-  #endif
-}
-
-void matrix_update(struct CharacterMatrix *dest,
-                          const struct CharacterMatrix *source) {
-  if (memcmp(dest->display, source->display, sizeof(dest->display))) {
-    memcpy(dest->display, source->display, sizeof(dest->display));
-    dest->dirty = true;
-  }
-}
-
-void iota_gfx_task_user(void) {
-  #if DEBUG_TO_SCREEN
-    if (debug_enable) {
-      return;
+#ifdef OLED_DRIVER_ENABLE
+void oled_task_user(void) {
+    oled_write_P(PSTR("TKC1800\n"),false);
+	// Host Keyboard Layer Status
+    oled_write_P(PSTR("Layer: "), false);
+
+    switch (get_highest_layer(layer_state)) {
+        case BASE:
+            oled_write_P(PSTR("Base\n"), false);
+            break;
+        case FUNCTION:
+            oled_write_P(PSTR("Function\n"), false);
+            break;
+        default:
+            // Or use the write_ln shortcut over adding '\n' to the end of your string
+            oled_write_ln_P(PSTR("Undefined"), false);
     }
-  #endif
-
-  struct CharacterMatrix matrix;
-
-  matrix_clear(&matrix);
-  matrix_write_P(&matrix, PSTR("TKC1800"));
-
-  uint8_t layer = biton32(layer_state);
-
-  char buf[40];
-  snprintf(buf,sizeof(buf), "Undef-%d", layer);
-  matrix_write_P(&matrix, PSTR("\nLayer: "));
-  matrix_write(&matrix, layer_lookup[layer]);
 
-  // Host Keyboard LED Status
-  char led[40];
-    snprintf(led, sizeof(led), "\n\n%s  %s  %s",
-            (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? "NUMLOCK" : "       ",
-            (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? "CAPS" : "    ",
-            (host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? "SCLK" : "    ");
-  matrix_write(&matrix, led);
-  matrix_update(&display, &matrix);
+    // Host Keyboard LED Status
+    led_t led_state = host_keyboard_led_state();
+    oled_write_P(led_state.num_lock ? PSTR("NUM ") : PSTR("    "), false);
+    oled_write_P(led_state.caps_lock ? PSTR("CAP ") : PSTR("    "), false);
+    oled_write_P(led_state.scroll_lock ? PSTR("SCR ") : PSTR("    "), false);
 }
+#endif
\ No newline at end of file
diff --git a/keyboards/tkc1800/keymaps/smt/config.h b/keyboards/tkc1800/keymaps/smt/config.h
deleted file mode 100644
index ee142927f3..0000000000
--- a/keyboards/tkc1800/keymaps/smt/config.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* Copyright 2017 Mathias Andersson <wraul@dbox.se>
- *
- * 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 USE_I2C
-#define SSD1306OLED
-//#define OLED_ROTATE180
-#define SSD1306_ADDRESS 0x3C
-
-// place overrides here
diff --git a/keyboards/tkc1800/keymaps/smt/keymap.c b/keyboards/tkc1800/keymaps/smt/keymap.c
index 9f506b443b..9b6ad80d3a 100644
--- a/keyboards/tkc1800/keymaps/smt/keymap.c
+++ b/keyboards/tkc1800/keymaps/smt/keymap.c
@@ -13,10 +13,8 @@
  * 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 QMK_KEYBOARD_H
-#include "LUFA/Drivers/Peripheral/TWI.h"
-#include "i2c.h"
-#include "ssd1306.h"
 
 // Custom macros
 #define CTL_ESC     CTL_T(KC_ESC)               // Tap for Esc, hold for Ctrl
@@ -32,11 +30,6 @@ enum {
   FUNCTION,
 };
 
-//13 characters max without re-writing the "Layer: " format in iota_gfx_task_user()
-static char layer_lookup[][14] = {"Qwerty","Dvorak","Function"};
-
-
-
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   /* Keymap QWERTY: (Qwerty Layer) Default Layer
    * ,-------------------------------------------------------.     ,-------------------.
@@ -151,64 +144,34 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
   return true;
 }
 
-void led_set_user(uint8_t usb_led) {
-
-}
-
-void matrix_init_user(void) {
-  #ifdef USE_I2C
-    i2c_master_init();
-    #ifdef SSD1306OLED
-      // calls code for the SSD1306 OLED
-      _delay_ms(400);
-      TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 800000));
-      iota_gfx_init();   // turns on the display
-    #endif
-  #endif
-  #ifdef AUDIO_ENABLE
-    startup_user();
-  #endif
-}
-
-void matrix_scan_user(void) {
-  #ifdef SSD1306OLED
-    iota_gfx_task();  // this is what updates the display continuously
-  #endif
-}
-
-void matrix_update(struct CharacterMatrix *dest,
-                          const struct CharacterMatrix *source) {
-  if (memcmp(dest->display, source->display, sizeof(dest->display))) {
-    memcpy(dest->display, source->display, sizeof(dest->display));
-    dest->dirty = true;
-  }
-}
-
-void iota_gfx_task_user(void) {
-  #if DEBUG_TO_SCREEN
-    if (debug_enable) {
-      return;
+#ifdef OLED_DRIVER_ENABLE
+void oled_task_user(void) {
+    oled_write_P(PSTR("TKC1800\n"),false);
+	// Host Keyboard Layer Status
+    oled_write_P(PSTR("Layer: "), false);
+
+    switch (get_highest_layer(layer_state)) {
+        case QWERTY:
+            oled_write_P(PSTR("Base\n"), false);
+            break;
+		case COLEMAK:
+            oled_write_P(PSTR("Colemak\n"), false);
+            break;
+		case DVORAK:
+            oled_write_P(PSTR("Dvorak\n"), false);
+            break;
+        case FUNCTION:
+            oled_write_P(PSTR("Function\n"), false);
+            break;
+        default:
+            // Or use the write_ln shortcut over adding '\n' to the end of your string
+            oled_write_ln_P(PSTR("Undefined"), false);
     }
-  #endif
-
-  struct CharacterMatrix matrix;
-
-  matrix_clear(&matrix);
-  matrix_write_P(&matrix, PSTR("TKC1800"));
-
-  uint8_t layer = biton32(layer_state);
-
-  char buf[40];
-  snprintf(buf,sizeof(buf), "Undef-%d", layer);
-  matrix_write_P(&matrix, PSTR("\nLayer: "));
-  matrix_write(&matrix, layer_lookup[layer]);
 
-  // Host Keyboard LED Status
-  char led[40];
-    snprintf(led, sizeof(led), "\n\n%s  %s  %s",
-            (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? "NUMLOCK" : "       ",
-            (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? "CAPS" : "    ",
-            (host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? "SCLK" : "    ");
-  matrix_write(&matrix, led);
-  matrix_update(&display, &matrix);
+    // Host Keyboard LED Status
+    led_t led_state = host_keyboard_led_state();
+    oled_write_P(led_state.num_lock ? PSTR("NUM ") : PSTR("    "), false);
+    oled_write_P(led_state.caps_lock ? PSTR("CAP ") : PSTR("    "), false);
+    oled_write_P(led_state.scroll_lock ? PSTR("SCR ") : PSTR("    "), false);
 }
+#endif
\ No newline at end of file
diff --git a/keyboards/tkc1800/keymaps/via/keymap.c b/keyboards/tkc1800/keymaps/via/keymap.c
index 5455934a30..76fdf05406 100644
--- a/keyboards/tkc1800/keymaps/via/keymap.c
+++ b/keyboards/tkc1800/keymaps/via/keymap.c
@@ -14,10 +14,6 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #include QMK_KEYBOARD_H
-#include "LUFA/Drivers/Peripheral/TWI.h"
-#include "i2c.h"
-#include "ssd1306.h"
-
 
 //Layers
 
@@ -26,13 +22,6 @@ enum {
   FUNCTION,
 };
 
-bool screenWorks = 0;
-
-//13 characters max without re-writing the "Layer: " format in iota_gfx_task_user()
-static char layer_lookup[][14] = {"Base","Function"};
-
-
-
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   /* Keymap BASE: (Base Layer) Default Layer
    * ,-------------------------------------------------------.     ,-------------------.
@@ -88,72 +77,28 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   ),
 };
 
-bool process_record_user(uint16_t keycode, keyrecord_t *record) {
-  return true;
-}
-
-void led_set_user(uint8_t usb_led) {
-
-}
-
-void matrix_init_user(void) {
-  #ifdef USE_I2C
-    i2c_master_init();
-    #ifdef SSD1306OLED
-      // calls code for the SSD1306 OLED
-      _delay_ms(400);
-      TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 800000));
-      if ( iota_gfx_init() ) { // turns on the display
-        screenWorks = 1;
-      }
-    #endif
-  #endif
-  #ifdef AUDIO_ENABLE
-    startup_user();
-  #endif
-}
-
-void matrix_scan_user(void) {
-  #ifdef SSD1306OLED
-    if ( screenWorks ) {
-      iota_gfx_task();  // this is what updates the display continuously
-    };
-  #endif
-}
-
-void matrix_update(struct CharacterMatrix *dest,
-                          const struct CharacterMatrix *source) {
-  if (memcmp(dest->display, source->display, sizeof(dest->display))) {
-    memcpy(dest->display, source->display, sizeof(dest->display));
-    dest->dirty = true;
-  }
-}
-
-void iota_gfx_task_user(void) {
-  #if DEBUG_TO_SCREEN
-    if (debug_enable) {
-      return;
+#ifdef OLED_DRIVER_ENABLE
+void oled_task_user(void) {
+    oled_write_P(PSTR("TKC1800\n"),false);
+	// Host Keyboard Layer Status
+    oled_write_P(PSTR("Layer: "), false);
+
+    switch (get_highest_layer(layer_state)) {
+        case BASE:
+            oled_write_P(PSTR("Base\n"), false);
+            break;
+        case FUNCTION:
+            oled_write_P(PSTR("Function\n"), false);
+            break;
+        default:
+            // Or use the write_ln shortcut over adding '\n' to the end of your string
+            oled_write_ln_P(PSTR("Undefined"), false);
     }
-  #endif
-
-  struct CharacterMatrix matrix;
-
-  matrix_clear(&matrix);
-  matrix_write_P(&matrix, PSTR("TKC1800"));
-
-  uint8_t layer = biton32(layer_state);
-
-  char buf[40];
-  snprintf(buf,sizeof(buf), "Undef-%d", layer);
-  matrix_write_P(&matrix, PSTR("\nLayer: "));
-  matrix_write(&matrix, layer_lookup[layer]);
 
-  // Host Keyboard LED Status
-  char led[40];
-    snprintf(led, sizeof(led), "\n\n%s  %s  %s",
-            (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? "NUMLOCK" : "       ",
-            (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? "CAPS" : "    ",
-            (host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? "SCLK" : "    ");
-  matrix_write(&matrix, led);
-  matrix_update(&display, &matrix);
+    // Host Keyboard LED Status
+    led_t led_state = host_keyboard_led_state();
+    oled_write_P(led_state.num_lock ? PSTR("NUM ") : PSTR("    "), false);
+    oled_write_P(led_state.caps_lock ? PSTR("CAP ") : PSTR("    "), false);
+    oled_write_P(led_state.scroll_lock ? PSTR("SCR ") : PSTR("    "), false);
 }
+#endif
\ No newline at end of file
diff --git a/keyboards/tkc1800/keymaps/wkl/config.h b/keyboards/tkc1800/keymaps/wkl/config.h
deleted file mode 100644
index ee142927f3..0000000000
--- a/keyboards/tkc1800/keymaps/wkl/config.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* Copyright 2017 Mathias Andersson <wraul@dbox.se>
- *
- * 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 USE_I2C
-#define SSD1306OLED
-//#define OLED_ROTATE180
-#define SSD1306_ADDRESS 0x3C
-
-// place overrides here
diff --git a/keyboards/tkc1800/keymaps/wkl/keymap.c b/keyboards/tkc1800/keymaps/wkl/keymap.c
index 6f331c61cc..3c65b61d11 100644
--- a/keyboards/tkc1800/keymaps/wkl/keymap.c
+++ b/keyboards/tkc1800/keymaps/wkl/keymap.c
@@ -13,11 +13,8 @@
  * 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 QMK_KEYBOARD_H
-#include "LUFA/Drivers/Peripheral/TWI.h"
-#include "i2c.h"
-#include "ssd1306.h"
-
 
 //Layers
 
@@ -26,13 +23,6 @@ enum {
   FUNCTION,
 };
 
-bool screenWorks = 0;
-
-//13 characters max without re-writing the "Layer: " format in iota_gfx_task_user()
-static char layer_lookup[][14] = {"Base","Function"};
-
-
-
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   /* Keymap BASE: (Base Layer) Default Layer
    * ,-------------------------------------------------------.     ,-------------------.
@@ -71,72 +61,28 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   ),
 };
 
-bool process_record_user(uint16_t keycode, keyrecord_t *record) {
-  return true;
-}
-
-void led_set_user(uint8_t usb_led) {
-
-}
-
-void matrix_init_user(void) {
-  #ifdef USE_I2C
-    i2c_master_init();
-    #ifdef SSD1306OLED
-      // calls code for the SSD1306 OLED
-      _delay_ms(400);
-      TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 800000));
-      if ( iota_gfx_init() ) { // turns on the display
-        screenWorks = 1;
-      }
-    #endif
-  #endif
-  #ifdef AUDIO_ENABLE
-    startup_user();
-  #endif
-}
-
-void matrix_scan_user(void) {
-  #ifdef SSD1306OLED
-    if ( screenWorks ) {
-      iota_gfx_task();  // this is what updates the display continuously
-    };
-  #endif
-}
-
-void matrix_update(struct CharacterMatrix *dest,
-                          const struct CharacterMatrix *source) {
-  if (memcmp(dest->display, source->display, sizeof(dest->display))) {
-    memcpy(dest->display, source->display, sizeof(dest->display));
-    dest->dirty = true;
-  }
-}
-
-void iota_gfx_task_user(void) {
-  #if DEBUG_TO_SCREEN
-    if (debug_enable) {
-      return;
+#ifdef OLED_DRIVER_ENABLE
+void oled_task_user(void) {
+    oled_write_P(PSTR("TKC1800\n"),false);
+	// Host Keyboard Layer Status
+    oled_write_P(PSTR("Layer: "), false);
+
+    switch (get_highest_layer(layer_state)) {
+        case BASE:
+            oled_write_P(PSTR("Base\n"), false);
+            break;
+        case FUNCTION:
+            oled_write_P(PSTR("Function\n"), false);
+            break;
+        default:
+            // Or use the write_ln shortcut over adding '\n' to the end of your string
+            oled_write_ln_P(PSTR("Undefined"), false);
     }
-  #endif
-
-  struct CharacterMatrix matrix;
-
-  matrix_clear(&matrix);
-  matrix_write_P(&matrix, PSTR("TKC1800"));
-
-  uint8_t layer = biton32(layer_state);
-
-  char buf[40];
-  snprintf(buf,sizeof(buf), "Undef-%d", layer);
-  matrix_write_P(&matrix, PSTR("\nLayer: "));
-  matrix_write(&matrix, layer_lookup[layer]);
 
-  // Host Keyboard LED Status
-  char led[40];
-    snprintf(led, sizeof(led), "\n\n%s  %s  %s",
-            (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? "NUMLOCK" : "       ",
-            (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? "CAPS" : "    ",
-            (host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? "SCLK" : "    ");
-  matrix_write(&matrix, led);
-  matrix_update(&display, &matrix);
+    // Host Keyboard LED Status
+    led_t led_state = host_keyboard_led_state();
+    oled_write_P(led_state.num_lock ? PSTR("NUM ") : PSTR("    "), false);
+    oled_write_P(led_state.caps_lock ? PSTR("CAP ") : PSTR("    "), false);
+    oled_write_P(led_state.scroll_lock ? PSTR("SCR ") : PSTR("    "), false);
 }
+#endif
\ No newline at end of file
diff --git a/keyboards/tkc1800/keymaps/yanfali/config.h b/keyboards/tkc1800/keymaps/yanfali/config.h
deleted file mode 100644
index f1390cb03f..0000000000
--- a/keyboards/tkc1800/keymaps/yanfali/config.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* Copyright 2017 Mathias Andersson <wraul@dbox.se>
- *
- * 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 USE_I2C
-//#define SSD1306OLED
-//#define OLED_ROTATE180
-#define SSD1306_ADDRESS 0x3C
-
-// place overrides here
diff --git a/keyboards/tkc1800/keymaps/yanfali/keymap.c b/keyboards/tkc1800/keymaps/yanfali/keymap.c
index 8dad3446de..bbffc2d20b 100644
--- a/keyboards/tkc1800/keymaps/yanfali/keymap.c
+++ b/keyboards/tkc1800/keymaps/yanfali/keymap.c
@@ -13,11 +13,8 @@
  * 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 QMK_KEYBOARD_H
-#include "LUFA/Drivers/Peripheral/TWI.h"
-#include "i2c.h"
-#include "ssd1306.h"
-
 
 //Layers
 
@@ -26,11 +23,6 @@ enum {
 	FUNCTION,
 };
 
-//13 characters max without re-writing the "Layer: " format in iota_gfx_task_user()
-static char layer_lookup[][14] = {"Base","Function"};
-
-
-
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   /* Keymap BASE: (Base Layer) Default Layer
    * ,-------------------------------------------------------.     ,-------------------.
@@ -69,68 +61,28 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 	),
 };
 
-bool process_record_user(uint16_t keycode, keyrecord_t *record) {
-  return true;
-}
-
-void led_set_user(uint8_t usb_led) {
-
-}
-
-void matrix_init_user(void) {
-  #ifdef USE_I2C
-    i2c_master_init();
-    #ifdef SSD1306OLED
-      // calls code for the SSD1306 OLED
-      _delay_ms(400);
-      TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 800000));
-      iota_gfx_init();   // turns on the display
-    #endif
-  #endif
-  #ifdef AUDIO_ENABLE
-    startup_user();
-  #endif
-}
-
-void matrix_scan_user(void) {
-  #ifdef SSD1306OLED
-    iota_gfx_task();  // this is what updates the display continuously
-  #endif
-}
-
-void matrix_update(struct CharacterMatrix *dest,
-                          const struct CharacterMatrix *source) {
-  if (memcmp(dest->display, source->display, sizeof(dest->display))) {
-    memcpy(dest->display, source->display, sizeof(dest->display));
-    dest->dirty = true;
-  }
-}
-
-void iota_gfx_task_user(void) {
-  #if DEBUG_TO_SCREEN
-    if (debug_enable) {
-      return;
+#ifdef OLED_DRIVER_ENABLE
+void oled_task_user(void) {
+    oled_write_P(PSTR("TKC1800\n"),false);
+	// Host Keyboard Layer Status
+    oled_write_P(PSTR("Layer: "), false);
+
+    switch (get_highest_layer(layer_state)) {
+        case BASE:
+            oled_write_P(PSTR("Base\n"), false);
+            break;
+        case FUNCTION:
+            oled_write_P(PSTR("Function\n"), false);
+            break;
+        default:
+            // Or use the write_ln shortcut over adding '\n' to the end of your string
+            oled_write_ln_P(PSTR("Undefined"), false);
     }
-  #endif
-
-  struct CharacterMatrix matrix;
-
-  matrix_clear(&matrix);
-  matrix_write_P(&matrix, PSTR("TKC1800"));
-
-  uint8_t layer = biton32(layer_state);
-
-  char buf[40];
-  snprintf(buf,sizeof(buf), "Undef-%d", layer);
-  matrix_write_P(&matrix, PSTR("\nLayer: "));
-  matrix_write(&matrix, layer_lookup[layer]);
 
-  // Host Keyboard LED Status
-  char led[40];
-    snprintf(led, sizeof(led), "\n\n%s  %s  %s",
-            (host_keyboard_leds() & (1<<USB_LED_NUM_LOCK)) ? "NUMLOCK" : "       ",
-            (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) ? "CAPS" : "    ",
-            (host_keyboard_leds() & (1<<USB_LED_SCROLL_LOCK)) ? "SCLK" : "    ");
-  matrix_write(&matrix, led);
-  matrix_update(&display, &matrix);
+    // Host Keyboard LED Status
+    led_t led_state = host_keyboard_led_state();
+    oled_write_P(led_state.num_lock ? PSTR("NUM ") : PSTR("    "), false);
+    oled_write_P(led_state.caps_lock ? PSTR("CAP ") : PSTR("    "), false);
+    oled_write_P(led_state.scroll_lock ? PSTR("SCR ") : PSTR("    "), false);
 }
+#endif
\ No newline at end of file