[Keymap] Refactor the default keymap for crkbd and add a new keymap for me (#6404)

* Remap default keys

* Remove self defined keys

* Remove unnedessary breaks

* Unable read_keylogs

* Add a keymap for foostan

* Remove unnecessary spaces

* Remove "include" that it automatically including

3 files changed, 295 insertions, 0 deletions

diff --git a/keyboards/crkbd/keymaps/foostan/config.h b/keyboards/crkbd/keymaps/foostan/config.h
new file mode 100644
index 0000000000..644e813650
--- /dev/null
+++ b/keyboards/crkbd/keymaps/foostan/config.h
@@ -0,0 +1,44 @@
+/*
+This is the c configuration file for the keymap
+
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
+
+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_MATRIX_I2C
+
+/* Select hand configuration */
+
+#define MASTER_LEFT
+// #define MASTER_RIGHT
+// #define EE_HANDS
+
+#define SSD1306OLED
+
+#define USE_SERIAL_PD2
+
+#define TAPPING_FORCE_HOLD
+#define TAPPING_TERM 100
+
+#undef RGBLED_NUM
+#define RGBLIGHT_ANIMATIONS
+#define RGBLED_NUM 27
+#define RGBLIGHT_LIMIT_VAL 120
+#define RGBLIGHT_HUE_STEP 10
+#define RGBLIGHT_SAT_STEP 17
+#define RGBLIGHT_VAL_STEP 17
diff --git a/keyboards/crkbd/keymaps/foostan/keymap.c b/keyboards/crkbd/keymaps/foostan/keymap.c
new file mode 100644
index 0000000000..5235b78363
--- /dev/null
+++ b/keyboards/crkbd/keymaps/foostan/keymap.c
@@ -0,0 +1,241 @@
+#include QMK_KEYBOARD_H
+#ifdef PROTOCOL_LUFA
+  #include "lufa.h"
+  #include "split_util.h"
+#endif
+#ifdef SSD1306OLED
+  #include "ssd1306.h"
+#endif
+
+extern keymap_config_t keymap_config;
+
+#ifdef RGBLIGHT_ENABLE
+//Following line allows macro to read current RGB settings
+extern rgblight_config_t rgblight_config;
+#endif
+
+extern uint8_t is_master;
+
+// Each layer gets a name for readability, which is then used in the keymap matrix below.
+// The underscores don't mean anything - you can have a layer called STUFF or any other name.
+// Layer names don't all need to be of the same length, obviously, and you can also skip them
+// entirely and just use numbers.
+#define _QWERTY 0
+#define _LOWER 1
+#define _RAISE 2
+#define _ADJUST 3
+
+enum custom_keycodes {
+  QWERTY = SAFE_RANGE,
+  LOWER,
+  RAISE,
+  ADJUST,
+  BACKLIT,
+  RGBRST
+};
+
+enum macro_keycodes {
+  KC_SAMPLEMACRO,
+};
+
+#define KC______ KC_TRNS
+#define KC_XXXXX KC_NO
+#define KC_LOWER LOWER
+#define KC_RAISE RAISE
+#define KC_RST   RESET
+#define KC_LRST  RGBRST
+#define KC_LTOG  RGB_TOG
+#define KC_LHUI  RGB_HUI
+#define KC_LHUD  RGB_HUD
+#define KC_LSAI  RGB_SAI
+#define KC_LSAD  RGB_SAD
+#define KC_LVAI  RGB_VAI
+#define KC_LVAD  RGB_VAD
+#define KC_LMOD  RGB_MOD
+#define KC_GUIEI GUI_T(KC_LANG2)
+#define KC_ALTKN ALT_T(KC_LANG1)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [_QWERTY] = LAYOUT_kc( \
+  //,-----------------------------------------.                ,-----------------------------------------.
+        TAB,     Q,     W,     E,     R,     T,                      Y,     U,     I,     O,     P,  BSPC,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+       LCTL,     A,     S,     D,     F,     G,                      H,     J,     K,     L,  SCLN,  QUOT,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+       LSFT,     Z,     X,     C,     V,     B,                      N,     M,  COMM,   DOT,  SLSH,   ESC,\
+  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
+                                  GUIEI, LOWER,   SPC,      ENT, RAISE, ALTKN \
+                              //`--------------------'  `--------------------'
+  ),
+
+  [_LOWER] = LAYOUT_kc( \
+  //,-----------------------------------------.                ,-----------------------------------------.
+        TAB,     1,     2,     3,     4,     5,                      6,     7,     8,     9,     0,  BSPC,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+       LCTL,    F1,    F2,    F3,    F4,    F5,                   LEFT,  DOWN,    UP, RIGHT, XXXXX, XXXXX,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+       LSFT,    F6,    F7,    F8,    F9,   F10,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,\
+  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
+                                  GUIEI, LOWER,   SPC,      ENT, RAISE, ALTKN \
+                              //`--------------------'  `--------------------'
+  ),
+
+  [_RAISE] = LAYOUT_kc( \
+  //,-----------------------------------------.                ,-----------------------------------------.
+        TAB,  EXLM,    AT,  HASH,   DLR,  PERC,                   CIRC,  AMPR,  ASTR,  LPRN,  RPRN,  BSPC,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+       LCTL, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,                   MINS,   EQL,  LCBR,  RCBR,  PIPE,   GRV,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+       LSFT, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,                   UNDS,  PLUS,  LBRC,  RBRC,  BSLS,  TILD,\
+  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
+                                  GUIEI, LOWER,   SPC,      ENT, RAISE, ALTKN \
+                              //`--------------------'  `--------------------'
+  ),
+
+  [_ADJUST] = LAYOUT_kc( \
+  //,-----------------------------------------.                ,-----------------------------------------.
+        RST,  LRST, XXXXX, XXXXX, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+       LTOG,  LHUI,  LSAI,  LVAI, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,\
+  //|------+------+------+------+------+------|                |------+------+------+------+------+------|
+       LMOD,  LHUD,  LSAD,  LVAD, XXXXX, XXXXX,                  XXXXX, XXXXX, XXXXX, XXXXX, XXXXX, XXXXX,\
+  //|------+------+------+------+------+------+------|  |------+------+------+------+------+------+------|
+                                  GUIEI, LOWER,   SPC,      ENT, RAISE, ALTKN \
+                              //`--------------------'  `--------------------'
+  )
+};
+
+int RGB_current_mode;
+
+void persistent_default_layer_set(uint16_t default_layer) {
+  eeconfig_update_default_layer(default_layer);
+  default_layer_set(default_layer);
+}
+
+// Setting ADJUST layer RGB back to default
+void update_tri_layer_RGB(uint8_t layer1, uint8_t layer2, uint8_t layer3) {
+  if (IS_LAYER_ON(layer1) && IS_LAYER_ON(layer2)) {
+    layer_on(layer3);
+  } else {
+    layer_off(layer3);
+  }
+}
+
+void matrix_init_user(void) {
+    #ifdef RGBLIGHT_ENABLE
+      RGB_current_mode = rgblight_config.mode;
+    #endif
+    //SSD1306 OLED init, make sure to add #define SSD1306OLED in config.h
+    #ifdef SSD1306OLED
+        iota_gfx_init(!has_usb());   // turns on the display
+    #endif
+}
+
+//SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
+#ifdef SSD1306OLED
+
+// When add source files to SRC in rules.mk, you can use functions.
+const char *read_layer_state(void);
+const char *read_logo(void);
+void set_keylog(uint16_t keycode, keyrecord_t *record);
+const char *read_keylog(void);
+const char *read_keylogs(void);
+
+// const char *read_mode_icon(bool swap);
+// const char *read_host_led_state(void);
+// void set_timelog(void);
+// const char *read_timelog(void);
+
+void matrix_scan_user(void) {
+   iota_gfx_task();
+}
+
+void matrix_render_user(struct CharacterMatrix *matrix) {
+  if (is_master) {
+    // If you want to change the display of OLED, you need to change here
+    matrix_write_ln(matrix, read_layer_state());
+    matrix_write_ln(matrix, read_keylog());
+    matrix_write_ln(matrix, read_keylogs());
+    //matrix_write_ln(matrix, read_mode_icon(keymap_config.swap_lalt_lgui));
+    //matrix_write_ln(matrix, read_host_led_state());
+    //matrix_write_ln(matrix, read_timelog());
+  } else {
+    matrix_write(matrix, read_logo());
+  }
+}
+
+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) {
+  struct CharacterMatrix matrix;
+  matrix_clear(&matrix);
+  matrix_render_user(&matrix);
+  matrix_update(&display, &matrix);
+}
+#endif//SSD1306OLED
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  if (record->event.pressed) {
+#ifdef SSD1306OLED
+    set_keylog(keycode, record);
+#endif
+    // set_timelog();
+  }
+
+  switch (keycode) {
+    case QWERTY:
+      if (record->event.pressed) {
+        persistent_default_layer_set(1UL<<_QWERTY);
+      }
+      return false;
+    case LOWER:
+      if (record->event.pressed) {
+        layer_on(_LOWER);
+        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
+      } else {
+        layer_off(_LOWER);
+        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
+      }
+      return false;
+    case RAISE:
+      if (record->event.pressed) {
+        layer_on(_RAISE);
+        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
+      } else {
+        layer_off(_RAISE);
+        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
+      }
+      return false;
+    case ADJUST:
+        if (record->event.pressed) {
+          layer_on(_ADJUST);
+        } else {
+          layer_off(_ADJUST);
+        }
+        return false;
+    case RGB_MOD:
+      #ifdef RGBLIGHT_ENABLE
+        if (record->event.pressed) {
+          rgblight_mode(RGB_current_mode);
+          rgblight_step();
+          RGB_current_mode = rgblight_config.mode;
+        }
+      #endif
+      return false;
+    case RGBRST:
+      #ifdef RGBLIGHT_ENABLE
+        if (record->event.pressed) {
+          eeconfig_update_rgblight_default();
+          rgblight_enable();
+          RGB_current_mode = rgblight_config.mode;
+        }
+      #endif
+      break;
+  }
+  return true;
+}
diff --git a/keyboards/crkbd/keymaps/foostan/rules.mk b/keyboards/crkbd/keymaps/foostan/rules.mk
new file mode 100644
index 0000000000..f84e5b2af8
--- /dev/null
+++ b/keyboards/crkbd/keymaps/foostan/rules.mk
@@ -0,0 +1,10 @@
+
+# If you want to change the display of OLED, you need to change here
+SRC +=  ./lib/glcdfont.c \
+        ./lib/rgb_state_reader.c \
+        ./lib/layer_state_reader.c \
+        ./lib/logo_reader.c \
+        ./lib/keylogger.c \
+        # ./lib/mode_icon_reader.c \
+        # ./lib/host_led_state_reader.c \
+        # ./lib/timelogger.c \