[Keyboard] Convert Corne Keyboard to Split Common (#6001)

* [Keyboard] Convert Corne Keyboard to Split Common

* Add VIA Support

* Makes sure that ol(e)d and new OLED implementation can't coexist

* Add licensing header to files

* Add changes based on feedback from foostan

* Fixes

3 files changed, 244 insertions, 0 deletions

diff --git a/keyboards/crkbd/rev1/common/keymaps/via/config.h b/keyboards/crkbd/rev1/common/keymaps/via/config.h
new file mode 100644
index 0000000000..aa2d45e56d
--- /dev/null
+++ b/keyboards/crkbd/rev1/common/keymaps/via/config.h
@@ -0,0 +1,46 @@
+/*
+Copyright 2019 @foostan
+Copyright 2020 Drashna Jaelre <@drashna>
+
+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
+#ifdef KEYBOARD_crkbd_rev1_legacy
+#    undef USE_I2C
+#    define USE_SERIAL
+#endif
+
+/* Select hand configuration */
+
+#define MASTER_LEFT
+// #define MASTER_RIGHT
+// #define EE_HANDS
+
+#define USE_SERIAL_PD2
+
+
+#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
+
+#define OLED_FONT_H "keyboards/crkbd/lib/glcdfont.c"
diff --git a/keyboards/crkbd/rev1/common/keymaps/via/keymap.c b/keyboards/crkbd/rev1/common/keymaps/via/keymap.c
new file mode 100644
index 0000000000..a3b2e52ce5
--- /dev/null
+++ b/keyboards/crkbd/rev1/common/keymaps/via/keymap.c
@@ -0,0 +1,193 @@
+/*
+Copyright 2019 @foostan
+Copyright 2020 Drashna Jaelre <@drashna>
+
+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 QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [0] = LAYOUT_split_3x6_3( \
+  //,-----------------------------------------------------.                    ,-----------------------------------------------------.
+       KC_TAB,    KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,                         KC_Y,    KC_U,    KC_I,    KC_O,   KC_P,  KC_BSPC,
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      KC_LCTL,    KC_A,    KC_S,    KC_D,    KC_F,    KC_G,                         KC_H,    KC_J,    KC_K,    KC_L, KC_SCLN, KC_QUOT,
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      KC_LSFT,    KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,                         KC_N,    KC_M, KC_COMM,  KC_DOT, KC_SLSH,  KC_ESC,
+  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                          KC_LGUI, FN_MO13,  KC_SPC,     KC_ENT, FN_MO23, KC_RALT
+                                      //`--------------------------'  `--------------------------'
+
+  ),
+
+  [1] = LAYOUT_split_3x6_3( \
+  //,-----------------------------------------------------.                    ,-----------------------------------------------------.
+       KC_TAB,    KC_1,    KC_2,    KC_3,    KC_4,    KC_5,                         KC_6,    KC_7,    KC_8,    KC_9,    KC_0, KC_BSPC,
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      KC_LCTL, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                      KC_LEFT, KC_DOWN,   KC_UP,KC_RIGHT, XXXXXXX, XXXXXXX,
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      KC_LSFT, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                          KC_LGUI, _______,  KC_SPC,     KC_ENT, _______, KC_RALT\
+                                      //`--------------------------'  `--------------------------'
+  ),
+
+  [2] = LAYOUT_split_3x6_3( \
+  //,-----------------------------------------------------.                    ,-----------------------------------------------------.
+       KC_TAB, KC_EXLM,   KC_AT, KC_HASH,  KC_DLR, KC_PERC,                      KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_BSPC,
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      KC_LCTL, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                      KC_MINS,  KC_EQL, KC_LBRC, KC_RBRC, KC_BSLS,  KC_GRV,
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      KC_LSFT, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                      KC_UNDS, KC_PLUS, KC_LCBR, KC_RCBR, KC_PIPE, KC_TILD,
+  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                          KC_LGUI, _______,  KC_SPC,     KC_ENT, _______, KC_RALT
+                                      //`--------------------------'  `--------------------------'
+  ),
+
+  [3] = LAYOUT_split_3x6_3( \
+  //,-----------------------------------------------------.                    ,-----------------------------------------------------.
+        RESET, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,\
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      RGB_TOG, RGB_HUI, RGB_SAI, RGB_VAI, XXXXXXX, XXXXXXX,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,\
+  //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+      RGB_MOD, RGB_HUD, RGB_SAD, RGB_VAD, XXXXXXX, XXXXXXX,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,\
+  //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                          KC_LGUI, _______,  KC_SPC,     KC_ENT, _______, KC_RALT\
+                                      //`--------------------------'  `--------------------------'
+  )
+};
+
+#ifdef OLED_DRIVER_ENABLE
+oled_rotation_t oled_init_user(oled_rotation_t rotation) {
+  if (!is_master) {
+    return OLED_ROTATION_180;  // flips the display 180 degrees if offhand
+  }
+  return rotation;
+}
+
+#define L_BASE 0
+#define L_LOWER 2
+#define L_RAISE 4
+#define L_ADJUST 8
+
+void oled_render_layer_state(void) {
+    oled_write_P("Layer: ", false);
+    switch (layer_state) {
+        case L_BASE:
+            oled_write_ln_P("Default", false);
+            break;
+        case L_LOWER:
+            oled_write_ln_P("Lower", false);
+            break;
+        case L_RAISE:
+            oled_write_ln_P("Raise", false);
+            break;
+        case L_ADJUST:
+        case L_ADJUST|L_LOWER:
+        case L_ADJUST|L_RAISE:
+        case L_ADJUST|L_LOWER|L_RAISE:
+            oled_write_ln_P("Adjust", false);
+            break;
+    }
+}
+
+
+char keylog_str[24] = {};
+char keylogs_str[21] = {};
+int keylogs_str_idx = 0;
+
+const char code_to_name[60] = {
+    ' ', ' ', ' ', ' ', 'a', 'b', 'c', 'd', 'e', 'f',
+    'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p',
+    'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
+    '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
+    'R', 'E', 'B', 'T', '_', '-', '=', '[', ']', '\\',
+    '#', ';', '\'', '`', ',', '.', '/', ' ', ' ', ' '};
+
+void set_keylog(uint16_t keycode, keyrecord_t *record) {
+  char name = ' ';
+    if ((keycode >= QK_MOD_TAP && keycode <= QK_MOD_TAP_MAX) ||
+        (keycode >= QK_LAYER_TAP && keycode <= QK_LAYER_TAP_MAX)) { keycode = keycode & 0xFF; }
+  if (keycode < 60) {
+    name = code_to_name[keycode];
+  }
+
+  // update keylog
+  snprintf(keylog_str, sizeof(keylog_str), "%dx%d, k%2d : %c",
+           record->event.key.row, record->event.key.col,
+           keycode, name);
+
+  // update keylogs
+  if (keylogs_str_idx == sizeof(keylogs_str) - 1) {
+    keylogs_str_idx = 0;
+    for (int i = 0; i < sizeof(keylogs_str) - 1; i++) {
+      keylogs_str[i] = ' ';
+    }
+  }
+
+  keylogs_str[keylogs_str_idx] = name;
+  keylogs_str_idx++;
+}
+
+void oled_render_keylog(void) {
+    oled_write(keylog_str, false);
+}
+void oled_render_keylogs(void) {
+    oled_write(keylogs_str, false);
+}
+
+void render_bootmagic_status(bool status) {
+    /* Show Ctrl-Gui Swap options */
+    static const char PROGMEM logo[][2][3] = {
+        {{0x97, 0x98, 0}, {0xb7, 0xb8, 0}},
+        {{0x95, 0x96, 0}, {0xb5, 0xb6, 0}},
+    };
+    if (status) {
+        oled_write_ln_P(logo[0][0], false);
+        oled_write_ln_P(logo[0][1], false);
+    } else {
+        oled_write_ln_P(logo[1][0], false);
+        oled_write_ln_P(logo[1][1], false);
+    }
+}
+
+void oled_render_logo(void) {
+    static const char PROGMEM crkbd_logo[] = {
+        0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94,
+        0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4,
+        0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4,
+        0};
+    oled_write_P(crkbd_logo, false);
+}
+
+void oled_task_user(void) {
+    if (is_master) {
+        oled_render_layer_state();
+        oled_render_keylog();
+        // oled_render_keylogs();
+        // oled_renger_bootmagic_icon(keymap_config.swap_lalt_lgui);
+    } else {
+        oled_render_logo();
+    }
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  if (record->event.pressed) {
+    set_keylog(keycode, record);
+    // set_timelog();
+  }
+  return true;
+}
+#endif // OLED_DRIVER_ENABLE
diff --git a/keyboards/crkbd/rev1/common/keymaps/via/rules.mk b/keyboards/crkbd/rev1/common/keymaps/via/rules.mk
new file mode 100644
index 0000000000..93b2afed44
--- /dev/null
+++ b/keyboards/crkbd/rev1/common/keymaps/via/rules.mk
@@ -0,0 +1,5 @@
+MOUSEKEY_ENABLE     = no     # Mouse keys
+RGBLIGHT_ENABLE     = yes    # Enable WS2812 RGB underlight.
+VIA_ENABLE          = yes         # Enable VIA
+OLED_DRIVER_ENABLE  = yes
+LTO_ENABLE          = yes