Romac Keymap with VIA and OLED Support

keyboards/kingly_keys/romac/keymaps/boss566y/config.h

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+/*
+Copyright 2020 boss566y
+
+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 DYNAMIC_KEYMAP_LAYER_COUNT 8

keyboards/kingly_keys/romac/keymaps/boss566y/keymap.c

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+/* Copyright 2018 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/>.
+ */
+
+#include QMK_KEYBOARD_H
+
+char oled_layer[20];
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT(
+        KC_KP_7, KC_KP_8, KC_KP_9,
+        KC_KP_4, KC_KP_5, KC_KP_6,
+        KC_KP_1, KC_KP_2, KC_KP_3,
+        MO(1),   KC_KP_0, KC_KP_DOT
+    ),
+    [1] = LAYOUT(
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS
+    ),
+    [2] = LAYOUT(
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS
+    ),
+    [3] = LAYOUT(
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS
+    ),
+    [4] = LAYOUT(
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS
+    ),
+    [5] = LAYOUT(
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS
+    ),
+    [6] = LAYOUT(
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS
+    ),
+    [7] = LAYOUT(
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS,
+        KC_TRNS, KC_TRNS, KC_TRNS
+    )
+};
+
+
+
+#ifdef OLED_DRIVER_ENABLE
+oled_rotation_t oled_init_user(oled_rotation_t rotation) {
+    return OLED_ROTATION_270; 
+}
+
+void oled_task_user(void) {
+  // Host Keyboard Layer Status
+    sprintf(oled_layer,"Layer\nL: %d\n",get_highest_layer(layer_state));
+    oled_write(oled_layer,false);
+
+    // Host Keyboard LED Status
+    led_t led_state = host_keyboard_led_State();
+    oled_write_P(led_state.num_lock ? PSTR("NLCK ") : PSTR("     "), false);
+    oled_write_P(led_state.caps_lock ? PSTR("CAPS ") : PSTR("       "), false);
+    oled_write_P(led_state.scroll_lock ? PSTR("SCRLK") : PSTR("       "), false);
+}
+#endif

keyboards/kingly_keys/romac/keymaps/boss566y/rules.mk

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+VIA_ENABLE = yes
+BOOTLOADER = qmk-dfu
+OLED_DRIVER_ENABLE = yes    # Enable Support for SSD1306 or SH1106 OLED Displays; Communicating over I2C