8 files changed, 790 insertions(+), 0 deletions(-)

A keyboards/crkbd/keymaps/mcrown/config.h
A keyboards/crkbd/keymaps/mcrown/glcdfont.c
A keyboards/crkbd/keymaps/mcrown/keymap.c
A keyboards/crkbd/keymaps/mcrown/mcrown.h
A keyboards/crkbd/keymaps/mcrown/oled.c
A keyboards/crkbd/keymaps/mcrown/oled.h
A keyboards/crkbd/keymaps/mcrown/readme.md
A keyboards/crkbd/keymaps/mcrown/rules.mk

@@ 0,0 1,86 @@
+/** @file config.h
+ *  @brief config header that includes function prototypes and external variables.
+ *
+ * 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/>.
+ *
+ * @author Mario Corona (mariocc@comunidad.unam.mx) 2021
+ *
+ */
+
+#pragma once
+
+/* Select hand configuration */
+#define MASTER_LEFT
+
+/* Comment this definition out if you want the main display to be output in horizontal mode */
+#define OLED_VERTICAL
+
+#ifdef RGB_MATRIX_ENABLE
+    #define RGB_MATRIX_MAXIMUM_BRIGHTNESS 120
+    #define RGB_MATRIX_HUE_STEP 10
+    #define RGB_MATRIX_SAT_STEP 10
+    #define RGB_MATRIX_VAL_STEP 10
+    #define RGB_MATRIX_SPD_STEP 10
+//    #define RGB_MATRIX_KEYPRESSES
+    #define RGB_MATRIX_FRAMEBUFFER_EFFECTS
+
+    /* BEGIN: Disable RGB Effects */
+//    #define DISABLE_RGB_MATRIX_SOLID_COLOR
+//    #define DISABLE_RGB_MATRIX_ALPHAS_MODS
+//    #define DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN
+//    #define DISABLE_RGB_MATRIX_BREATHING
+//    #define DISABLE_RGB_MATRIX_BAND_SAT
+//    #define DISABLE_RGB_MATRIX_BAND_VAL
+//    #define DISABLE_RGB_MATRIX_BAND_PINWHEEL_SAT
+//    #define DISABLE_RGB_MATRIX_BAND_PINWHEEL_VAL
+//    #define DISABLE_RGB_MATRIX_BAND_SPIRAL_SAT
+//    #define DISABLE_RGB_MATRIX_BAND_SPIRAL_VAL
+//    #define DISABLE_RGB_MATRIX_CYCLE_ALL
+//    #define DISABLE_RGB_MATRIX_CYCLE_LEFT_RIGHT
+//    #define DISABLE_RGB_MATRIX_CYCLE_UP_DOWN
+//    #define DISABLE_RGB_MATRIX_CYCLE_OUT_IN
+//    #define DISABLE_RGB_MATRIX_CYCLE_OUT_IN_DUAL
+    #define DISABLE_RGB_MATRIX_RAINBOW_MOVING_CHEVRON
+    #define DISABLE_RGB_MATRIX_CYCLE_PINWHEEL
+    #define DISABLE_RGB_MATRIX_CYCLE_SPIRAL
+//    #define DISABLE_RGB_MATRIX_DUAL_BEACON
+    #define DISABLE_RGB_MATRIX_RAINBOW_BEACON
+    #define DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS
+    #define DISABLE_RGB_MATRIX_RAINDROPS
+//    #define DISABLE_RGB_MATRIX_JELLYBEAN_RAINDROPS
+
+    /* BEGIN: RGB_MATRIX_FRAMEBUFFER_EFFECTS */
+//    #define DISABLE_RGB_MATRIX_TYPING_HEATMAP
+//    #define DISABLE_RGB_MATRIX_DIGITAL_RAIN
+    /* END: RGB_MATRIX_FRAMEBUFFER_EFFECTS */
+
+    /* BEGIN: RGB_MATRIX_KEYPRESSES */
+//    #define DISABLE_RGB_MATRIX_SOLID_REACTIVE_SIMPLE
+//    #define DISABLE_RGB_MATRIX_SOLID_REACTIVE
+//    #define DISABLE_RGB_MATRIX_SOLID_REACTIVE_WIDE
+//    #define DISABLE_RGB_MATRIX_SOLID_REACTIVE_MULTIWIDE
+//    #define DISABLE_RGB_MATRIX_SOLID_REACTIVE_CROSS
+//    #define DISABLE_RGB_MATRIX_SOLID_REACTIVE_MULTICROSS
+//    #define DISABLE_RGB_MATRIX_SOLID_REACTIVE_NEXUS
+//    #define DISABLE_RGB_MATRIX_SOLID_REACTIVE_MULTINEXUS
+//    #define DISABLE_RGB_MATRIX_SPLASH
+//    #define DISABLE_RGB_MATRIX_MULTISPLASH
+//    #define DISABLE_RGB_MATRIX_SOLID_SPLASH
+//    #define DISABLE_RGB_MATRIX_SOLID_MULTISPLASH
+    /* END: RGB_MATRIX_KEYPRESSES */
+    /* END: Disable RGB Effects */
+#endif
+
+/* To tell the compiler to use custom font */
+#define OLED_FONT_H "keyboards/crkbd/keymaps/mcrown/glcdfont.c"

@@ 0,0 1,35 @@
+/** @file glcfont.c
+ *  @brief mcrown glcfont module. This module includes the font for mcrown keymap.
+ *
+ * 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/>.
+ *
+ * @author Mario Corona (mariocc@comunidad.unam.mx) 2021
+ *
+ */
+
+#include "progmem.h"
+
+/* Standard ASCII 5x7 font */
+static const unsigned char font[] PROGMEM =
+{
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3E, 0x5B, 0x4F, 0x5B, 0x3E, 0x00, 0x3E, 0x6B, 0x4F, 0x6B, 0x3E, 0x00, 0x1C, 0x3E, 0x7C, 0x3E, 0x1C, 0x00, 0x18, 0x3C, 0x7E, 0x3C, 0x18, 0x00, 0x1C, 0x57, 0x7D, 0x57, 0x1C, 0x00, 0x1C, 0x5E, 0x7F, 0x5E, 0x1C, 0x00, 0x00, 0x18, 0x3C, 0x18, 0x00, 0x00, 0xFF, 0xE7, 0xC3, 0xE7, 0xFF, 0x00, 0x00, 0x18, 0x24, 0x18, 0x00, 0x00, 0xFF, 0xE7, 0xDB, 0xE7, 0xFF, 0x00, 0x30, 0x48, 0x3A, 0x06, 0x0E, 0x00, 0x26, 0x29, 0x79, 0x29, 0x26, 0x00, 0x40, 0x7F, 0x05, 0x05, 0x07, 0x00, 0x40, 0x7F, 0x05, 0x25, 0x3F, 0x00, 0x5A, 0x3C, 0xE7, 0x3C, 0x5A, 0x00, 0x7F, 0x3E, 0x1C, 0x1C, 0x08, 0x00, 0x08, 0x1C, 0x1C, 0x3E, 0x7F, 0x00, 0x14, 0x22, 0x7F, 0x22, 0x14, 0x00, 0x5F, 0x5F, 0x00, 0x5F, 0x5F, 0x00, 0x06, 0x09, 0x7F, 0x01, 0x7F, 0x00, 0x00, 0x66, 0x89, 0x95, 0x6A, 0x00, 0x60, 0x60, 0x60, 0x60, 0x60, 0x00, 0x94, 0xA2, 0xFF, 0xA2, 0x94, 0x00, 0x08, 0x04, 0x7E, 0x04, 0x08, 0x00,
+    0x10, 0x20, 0x7E, 0x20, 0x10, 0x00, 0x08, 0x08, 0x2A, 0x1C, 0x08, 0x00, 0x08, 0x1C, 0x2A, 0x08, 0x08, 0x00, 0x1E, 0x10, 0x10, 0x10, 0x10, 0x00, 0x0C, 0x1E, 0x0C, 0x1E, 0x0C, 0x00, 0x30, 0x38, 0x3E, 0x38, 0x30, 0x00, 0x06, 0x0E, 0x3E, 0x0E, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5F, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x07, 0x00, 0x00, 0x14, 0x7F, 0x14, 0x7F, 0x14, 0x00, 0x24, 0x2A, 0x7F, 0x2A, 0x12, 0x00, 0x23, 0x13, 0x08, 0x64, 0x62, 0x00, 0x36, 0x49, 0x56, 0x20, 0x50, 0x00, 0x00, 0x08, 0x07, 0x03, 0x00, 0x00, 0x00, 0x1C, 0x22, 0x41, 0x00, 0x00, 0x00, 0x41, 0x22, 0x1C, 0x00, 0x00, 0x2A, 0x1C, 0x7F, 0x1C, 0x2A, 0x00, 0x08, 0x08, 0x3E, 0x08, 0x08, 0x00, 0x00, 0x80, 0x70, 0x30, 0x00, 0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x20, 0x10, 0x08, 0x04, 0x02, 0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E, 0x00, 0x00, 0x42, 0x7F, 0x40, 0x00, 0x00,
+    0x72, 0x49, 0x49, 0x49, 0x46, 0x00, 0x21, 0x41, 0x49, 0x4D, 0x33, 0x00, 0x18, 0x14, 0x12, 0x7F, 0x10, 0x00, 0x27, 0x45, 0x45, 0x45, 0x39, 0x00, 0x3C, 0x4A, 0x49, 0x49, 0x31, 0x00, 0x41, 0x21, 0x11, 0x09, 0x07, 0x00, 0x36, 0x49, 0x49, 0x49, 0x36, 0x00, 0x46, 0x49, 0x49, 0x29, 0x1E, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x40, 0x34, 0x00, 0x00, 0x00, 0x00, 0x08, 0x14, 0x22, 0x41, 0x00, 0x14, 0x14, 0x14, 0x14, 0x14, 0x00, 0x00, 0x41, 0x22, 0x14, 0x08, 0x00, 0x02, 0x01, 0x59, 0x09, 0x06, 0x00, 0x3E, 0x41, 0x5D, 0x59, 0x4E, 0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C, 0x00, 0x7F, 0x49, 0x49, 0x49, 0x36, 0x00, 0x3E, 0x41, 0x41, 0x41, 0x22, 0x00, 0x7F, 0x41, 0x41, 0x41, 0x3E, 0x00, 0x7F, 0x49, 0x49, 0x49, 0x41, 0x00, 0x7F, 0x09, 0x09, 0x09, 0x01, 0x00, 0x3E, 0x41, 0x41, 0x51, 0x73, 0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F, 0x00, 0x00, 0x41, 0x7F, 0x41, 0x00, 0x00, 0x20, 0x40, 0x41, 0x3F, 0x01, 0x00,
+    0x7F, 0x08, 0x14, 0x22, 0x41, 0x00, 0x7F, 0x40, 0x40, 0x40, 0x40, 0x00, 0x7F, 0x02, 0x1C, 0x02, 0x7F, 0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F, 0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E, 0x00, 0x7F, 0x09, 0x09, 0x09, 0x06, 0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E, 0x00, 0x7F, 0x09, 0x19, 0x29, 0x46, 0x00, 0x26, 0x49, 0x49, 0x49, 0x32, 0x00, 0x03, 0x01, 0x7F, 0x01, 0x03, 0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F, 0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F, 0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F, 0x00, 0x63, 0x14, 0x08, 0x14, 0x63, 0x00, 0x03, 0x04, 0x78, 0x04, 0x03, 0x00, 0x61, 0x59, 0x49, 0x4D, 0x43, 0x00, 0x00, 0x7F, 0x41, 0x41, 0x41, 0x00, 0x02, 0x04, 0x08, 0x10, 0x20, 0x00, 0x00, 0x41, 0x41, 0x41, 0x7F, 0x00, 0x04, 0x02, 0x01, 0x02, 0x04, 0x00, 0x40, 0x40, 0x40, 0x40, 0x40, 0x00, 0x00, 0x03, 0x07, 0x08, 0x00, 0x00, 0x20, 0x54, 0x54, 0x78, 0x40, 0x00, 0x7F, 0x28, 0x44, 0x44, 0x38, 0x00, 0x38, 0x44, 0x44, 0x44, 0x28, 0x00,
+    0x38, 0x44, 0x44, 0x28, 0x7F, 0x00, 0x38, 0x54, 0x54, 0x54, 0x18, 0x00, 0x00, 0x08, 0x7E, 0x09, 0x02, 0x00, 0x18, 0xA4, 0xA4, 0x9C, 0x78, 0x00, 0x7F, 0x08, 0x04, 0x04, 0x78, 0x00, 0x00, 0x44, 0x7D, 0x40, 0x00, 0x00, 0x20, 0x40, 0x40, 0x3D, 0x00, 0x00, 0x7F, 0x10, 0x28, 0x44, 0x00, 0x00, 0x00, 0x41, 0x7F, 0x40, 0x00, 0x00, 0x7C, 0x04, 0x78, 0x04, 0x78, 0x00, 0x7C, 0x08, 0x04, 0x04, 0x78, 0x00, 0x38, 0x44, 0x44, 0x44, 0x38, 0x00, 0xFC, 0x18, 0x24, 0x24, 0x18, 0x00, 0x18, 0x24, 0x24, 0x18, 0xFC, 0x00, 0x7C, 0x08, 0x04, 0x04, 0x08, 0x00, 0x48, 0x54, 0x54, 0x54, 0x24, 0x00, 0x04, 0x04, 0x3F, 0x44, 0x24, 0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C, 0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C, 0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C, 0x00, 0x44, 0x28, 0x10, 0x28, 0x44, 0x00, 0x4C, 0x90, 0x90, 0x90, 0x7C, 0x00, 0x44, 0x64, 0x54, 0x4C, 0x44, 0x00, 0x00, 0x08, 0x36, 0x41, 0x00, 0x00, 0x00, 0x00, 0x77, 0x00, 0x00, 0x00,
+    0x00, 0x41, 0x36, 0x08, 0x00, 0x00, 0x02, 0x01, 0x02, 0x04, 0x02, 0x00, 0x3C, 0x26, 0x23, 0x26, 0x3C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x40, 0xF0, 0xF8, 0xF8, 0xFF, 0x38, 0xFF, 0xF8, 0xF8, 0x3F, 0xF8, 0xF8, 0xFF, 0x38, 0xFF, 0xF8, 0xF8, 0xF0, 0x40, 0x40, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xC0, 0xC0, 0xC0, 0x80, 0x00, 0x00, 0xC0, 0xC0, 0x80, 0x00, 0x00, 0x00, 0x80, 0xC0, 0xC0, 0x00, 0xC0, 0xC0, 0x00, 0x00, 0x80, 0xC0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0x00, 0xC0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xF0, 0xF8, 0xFC, 0x3E,
+    0x1E, 0x06, 0x01, 0x00, 0x00, 0x00, 0x7F, 0x41, 0x41, 0x41, 0x7F, 0x00, 0x7F, 0x41, 0x41, 0x41, 0x7F, 0x00, 0x00, 0x80, 0xC0, 0xE0, 0x7E, 0x5B, 0x4F, 0x5B, 0xFE, 0xC0, 0x00, 0x00, 0xC0, 0x00, 0xDC, 0xD7, 0xDE, 0xDE, 0xDE, 0xD7, 0xDC, 0x00, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x49, 0x49, 0x49, 0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0xDF, 0xBF, 0xBF, 0x00, 0xBF, 0xBF, 0xDF, 0xE0, 0xFF, 0xFF, 0xFF, 0xFF, 0x49, 0x49, 0x49, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x3F, 0x60, 0x60, 0xE0, 0xBF, 0x1F, 0x00, 0x7F, 0x7F, 0x07, 0x1E, 0x38, 0x1E, 0x07, 0x7F, 0x7F, 0x00, 0x7F, 0x7F, 0x0E, 0x1F, 0x3B, 0x71, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7F, 0x7F, 0x0C, 0x0C, 0x0C, 0x00, 0x7E, 0x7E, 0x00, 0x7F, 0x7E, 0x03, 0x03, 0x00, 0x7F, 0x7E, 0x03, 0x03, 0x7E, 0x7E, 0x03, 0x03, 0x7F, 0x7E, 0x00, 0x0F,
+    0x3E, 0x70, 0x3C, 0x06, 0x3C, 0x70, 0x3E, 0x0F, 0x00, 0x32, 0x7B, 0x49, 0x49, 0x3F, 0x7E, 0x00, 0x7F, 0x7E, 0x03, 0x03, 0x00, 0x1E, 0x3F, 0x69, 0x69, 0x6F, 0x26, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x0F, 0x1F, 0x3F, 0x3C, 0x78, 0x70, 0x60, 0x00, 0x00, 0x00, 0x7F, 0x41, 0x41, 0x41, 0x7F, 0x00, 0x7F, 0x41, 0x41, 0x41, 0x7F, 0x00, 0x30, 0x7B, 0x7F, 0x78, 0x30, 0x20, 0x20, 0x30, 0x78, 0x7F, 0x3B, 0x00, 0x03, 0x00, 0x0F, 0x7F, 0x0F, 0x0F, 0x0F, 0x7F, 0x0F, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x07, 0x0F, 0x0F, 0x7F, 0x0F, 0x7F, 0x0F, 0x0F, 0x7E, 0x0F, 0x0F, 0x7F, 0x0F, 0x7F, 0x0F, 0x0F, 0x07, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};

@@ 0,0 1,141 @@
+/** @file keymap.c
+ *  @brief keymao.c that includes key layout and keylogs functions
+ *
+ * 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/>.
+ *
+ * @author Mario Corona (mariocc@comunidad.unam.mx) 2021
+ *
+ */
+
+#include "mcrown.h"
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [_QWERTY] =  LAYOUT_wrapper(
+          /*,-------------------------------------------------|-----|--------------------------------------------------------|.*/
+          _____________________QWERTY_L1______________________,      _____________________QWERTY_R1______________________,
+          /*|--------+--------+--------+--------+--------+----|     |--------+--------+--------+--------+--------+-----------|*/
+          _____________________QWERTY_L2______________________,      _____________________QWERTY_R2______________________,
+          /*|--------+--------+--------+--------+--------+----|     |--------+--------+--------+--------+--------+-----------|*/
+          _____________________QWERTY_L3______________________,      _____________________QWERTY_R3______________________,
+          /*|--------+--------+--------+--------+--------+----|     |--------+--------+--------+--------+--------+-----------|*/
+                            _____________MOD_LEFT_____________,      _____________MOD_RIGHT____________
+                        /*|-----------------------------------|     |----------------------------------|*/
+  ),
+
+  [_LOWER] =  LAYOUT_wrapper(
+          /*,-------------------------------------------------|-----|--------------------------------------------------------|.*/
+          _____________________LOWER_L1_______________________,      _____________________LOWER_R1_______________________,
+          /*|--------+--------+--------+--------+--------+----|     |--------+--------+--------+--------+--------+-----------|*/
+          _____________________LOWER_L2_______________________,      _____________________LOWER_R2_______________________,
+          /*|--------+--------+--------+--------+--------+----|     |--------+--------+--------+--------+--------+-----------|*/
+          _____________________LOWER_L3_______________________,      _____________________LOWER_R3_______________________,
+          /*|--------+--------+--------+--------+--------+----|     |--------+--------+--------+--------+--------+-----------|*/
+                            _____________MOD_LEFT_____________,      _____________MOD_RIGHT____________
+                        /*|-----------------------------------|     |----------------------------------|*/
+  ),
+
+  [_RAISE] = LAYOUT_wrapper(
+          /*,-------------------------------------------------|-----|--------------------------------------------------------|.*/
+          _____________________RAISE_L1_______________________,      _____________________RAISE_R1_______________________,
+          /*|--------+--------+--------+--------+--------+----|     |--------+--------+--------+--------+--------+-----------|*/
+          _____________________RAISE_L2_______________________,      _____________________RAISE_R2_______________________,
+          /*|--------+--------+--------+--------+--------+----|     |--------+--------+--------+--------+--------+-----------|*/
+          _____________________RAISE_L3_______________________,      _____________________RAISE_R3_______________________,
+          /*|--------+--------+--------+--------+--------+----|     |--------+--------+--------+--------+--------+-----------|*/
+                            _____________MOD_LEFT_____________,      _____________MOD_RIGHT____________
+                        /*|-----------------------------------|     |----------------------------------|*/
+  ),
+
+  [_ADJUST] = LAYOUT_wrapper(
+          /*,-------------------------------------------------|-----|--------------------------------------------------------|.*/
+          _____________________ADJUST_L1______________________,      _____________________ADJUST_R1______________________,
+          /*|--------+--------+--------+--------+--------+----|     |--------+--------+--------+--------+--------+-----------|*/
+          _____________________ADJUST_L2______________________,      _____________________ADJUST_R2______________________,
+          /*|--------+--------+--------+--------+--------+----|     |--------+--------+--------+--------+--------+-----------|*/
+          _____________________ADJUST_L3______________________,      _____________________ADJUST_R3______________________,
+          /*|--------+--------+--------+--------+--------+----|     |--------+--------+--------+--------+--------+-----------|*/
+                            _____________MOD_LEFT_____________,      _____________MOD_RIGHT____________
+                        /*|-----------------------------------|     |----------------------------------|*/
+  ),
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record){
+    bool user_records_press=true;
+
+    if (record->event.pressed){
+        add_keylog(keycode);
+    }
+
+    switch (keycode){
+        case QWERTY:
+            if (record->event.pressed){
+                set_single_persistent_default_layer(_QWERTY);
+            }
+            break;
+
+        case LOWER:
+            if(record->event.pressed){
+                layer_on(_LOWER);
+                update_tri_layer(_LOWER, _RAISE, _ADJUST);
+            }else{
+                layer_off(_LOWER);
+                update_tri_layer(_LOWER, _RAISE, _ADJUST);
+            }
+            break;
+
+        case RAISE:
+            if (record->event.pressed){
+                layer_on(_RAISE);
+                update_tri_layer(_LOWER, _RAISE, _ADJUST);
+            }else{
+                layer_off(_RAISE);
+                update_tri_layer(_LOWER, _RAISE, _ADJUST);
+            }
+            break;
+
+        case ADJUST:
+            if (record->event.pressed){
+                layer_on(_ADJUST);
+            }else{
+                layer_off(_ADJUST);
+            }
+            break;
+
+        case RGB_MOD:
+            #ifdef RGBLIGHT_ENABLE
+            if(record->event.pressed){
+                rgblight_mode(RGB_current_mode);
+                rgblight_step();
+                RGB_current_mode = rgblight_get_mode();
+            }
+            #endif
+            break;
+
+        case RGBRST:
+            #ifdef RGBLIGHT_ENABLE
+            if(record->event.pressed){
+                eeconfig_update_rgblight_default();
+                rgblight_enable();
+                RGB_current_mode = rgblight_get_mode();
+            }
+            #endif
+            break;
+
+        default:
+            user_records_press=false;
+            break;
+    }
+
+    return false==user_records_press;
+}

@@ 0,0 1,109 @@
+/** @file mcrown.h
+ *  @brief mcrown header thant incluedes key layout and some definintions.
+ *
+ * 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/>.
+ *
+ * @author Mario Corona (mariocc@comunidad.unam.mx) 2021
+ *
+ */
+
+#pragma once
+
+#include QMK_KEYBOARD_H
+#include "oled.h"
+
+#define KC_XXXXX KC_NO
+#define KC_LOWER LOWER
+#define KC_RAISE RAISE
+#define KC_CTLTB CTL_T(KC_TAB)
+#define KC_GUIEI GUI_T(KC_LANG2)
+#define KC_ALTKN ALT_T(KC_LANG1)
+
+#define LAYOUT_wrapper(...)   LAYOUT(__VA_ARGS__)
+
+/* For values greater than 0x200, substract that value and add 0x20 so the characters can be mapped  */
+#define RM_LSFT(kc)           ((uint8_t)(0x20)+(kc-0x200))
+
+/* ######################################################################### LAYOUT BLOCKS ##################################################### */
+/* -----------------------------------------BUTTON1---BUTTON2- BUTTON3------- */
+#define _____________MOD_LEFT_____________ KC_GUIEI, KC_LOWER, KC_SPC
+#define _____________MOD_RIGHT____________ KC_ENT,   KC_RAISE, KC_ALTKN
+
+
+/* ------------------------------------------------------------COL1------COL2-----COL3-----COL4-----COL5-----COL6--------- */
+#define   _____________________RAISE_L1_______________________ KC_ESC,   KC_EXLM, KC_AT,   KC_HASH,  KC_DLR,   KC_PERC
+#define   _____________________RAISE_L2_______________________ KC_LSFT,  KC_MPLY, KC_VOLU, KC_MNXT,  XXXXXXX,  XXXXXXX
+#define   _____________________RAISE_L3_______________________ KC_CTLTB, KC_CALC, KC_VOLD, KC_MPRV,  KC_BRIU,  KC_BRID
+
+#define   _____________________RAISE_R1_______________________ KC_CIRC,  KC_AMPR, KC_ASTR, KC_LPRN,  KC_RPRN,  KC_DEL
+#define   _____________________RAISE_R2_______________________ KC_MINS,  KC_EQL,  KC_LCBR, KC_RCBR,  KC_PIPE,  KC_GRV
+#define   _____________________RAISE_R3_______________________ KC_UNDS,  KC_PLUS, KC_LBRC, KC_RBRC,  KC_BSLS,  KC_TILD
+
+/* ------------------------------------------------------------COL1------COL2-----COL3-----COL4-----COL5-----COL6--------- */
+#define   _____________________QWERTY_L1______________________ KC_ESC,   KC_Q,    KC_W,    KC_E,    KC_R,    KC_T
+#define   _____________________QWERTY_L2______________________ KC_LSFT,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G
+#define   _____________________QWERTY_L3______________________ KC_CTLTB, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B
+
+#define   _____________________QWERTY_R1______________________ KC_Y,     KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC
+#define   _____________________QWERTY_R2______________________ KC_H,     KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT
+#define   _____________________QWERTY_R3______________________ KC_N,     KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT
+
+/* ------------------------------------------------------------COL1------COL2-----COL3-----COL4-----COL5-----COL6--------- */
+#define   _____________________LOWER_L1_______________________ KC_CAPS,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5
+#define   _____________________LOWER_L2_______________________ KC_LSFT,  XXXXXXX, XXXXXXX, XXXXXXX, KC_PGUP, KC_PGDN
+#define   _____________________LOWER_L3_______________________ KC_CTLTB, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5
+
+#define   _____________________LOWER_R1_______________________ KC_6,     KC_7,    KC_8,    KC_9,     KC_0,     KC_BSPC
+#define   _____________________LOWER_R2_______________________ KC_LEFT,  KC_UP,   KC_DOWN, KC_RIGHT, KC_HOME,  KC_END
+#define   _____________________LOWER_R3_______________________ KC_F6,    KC_F7,   KC_F8,   KC_F9,    KC_F10,   KC_F11
+
+/* ------------------------------------------------------------COL1------COL2-----COL3-----COL4-----COL5-----COL6--------- */
+#define   _____________________ADJUST_L1______________________ XXXXXXX,  EEP_RST, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+#if defined(RGB_MATRIX_ENABLE) || defined(RGBLIGHT_ENABLE)
+  #define _____________________ADJUST_L2______________________ XXXXXXX,  XXXXXXX, RGB_SPI, RGB_SAI, RGB_HUI, RGB_VAI
+  #define _____________________ADJUST_L3______________________ XXXXXXX,  XXXXXXX, RGB_SPD, RGB_SAD, RGB_HUD, RGB_VAD
+#else/* ---------------------------------------------------------------|---------|--------|--------|--------|------------- */
+  #define _____________________ADJUST_L2______________________ M_VRSN,   M_MALL,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+  #define _____________________ADJUST_L3______________________ M_FLSH,   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+#endif/* --------------------------------------------------------------|---------|--------|--------|--------|------------- */
+#if defined(RGB_MATRIX_ENABLE) || defined(RGBLIGHT_ENABLE)
+  #define _____________________ADJUST_R1______________________ RGB_TOG,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+  #define _____________________ADJUST_R3______________________ RGB_MOD,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+#else/* ---------------------------------------------------------------|---------|--------|--------|--------|------------- */
+  #define _____________________ADJUST_R1______________________ XXXXXXX,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+  #define _____________________ADJUST_R3______________________ XXXXXXX,  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+#endif/* --------------------------------------------------------------|---------|--------|--------|--------|------------- */
+#define   _____________________ADJUST_R2______________________ RGB_RMOD, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+
+/* Each layer gets a name for readability */
+typedef enum custom_layers {
+    _QWERTY,
+    _DVORAK,
+    _COLEMAK,
+    _LOWER,
+    _RAISE,
+    _ADJUST,
+    _NUMPAD,
+    _MAX_LAYERS
+}CUSTOM_LAYERS_T;
+
+/* To be used to identify the current working layer */
+typedef enum custom_keycodes{
+    QWERTY = SAFE_RANGE,
+    LOWER,
+    RAISE,
+    ADJUST,
+    BACKLIT,
+    RGBRST
+}CUSTOM_KEYCODES_T;

@@ 0,0 1,354 @@
+/** @file oled.h
+ *  @brief mcrown oled service implementation.
+ *
+ * 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/>.
+ *
+ * @author Mario Corona (mariocc@comunidad.unam.mx) 2021
+ *
+ */
+
+#include QMK_KEYBOARD_H
+#include <stdio.h>
+#include <string.h>
+#include "mcrown.h"
+#include "oled.h"
+
+#define ASCII_TABLE_LENGTH       (0x80)
+#define KEYLOG_STRING_STARTUP    (KEYLOG_EOL_LEN+1)
+#define ALT_CODE                 (0x7E)
+#define SPECIAL_KEYS_SHIFT(kc)   (0x18+(kc))
+
+static void render_keylogger_status(void);
+
+static char keylog_str[KEYLOG_EOL_LEN] = {' '};
+static uint16_t log_timer = 0;
+static uint8_t current_cursor_pos=0;
+static uint32_t cursor_oled_timer = 0;
+static uint32_t standby_oled_timer = 0;
+static char last_c=' ';
+
+/* Provides the ASCII value or the address of the character selected of the OLED font specified in glcfont.c */
+static const char ascii_t[ASCII_TABLE_LENGTH] = {
+        /*     0          1         2         3        4         5         6         7         8         9         A         B         C         D         E         F                */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+           0x0F,         0x1A,    0x1B,     0x19,    0x18,     0x0E,      ' ',      ' ',     0x11,      0x1C,    0x97,      ' ',      ' ',      ' ',      ' ',      ' ',         /* 0 */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+            ' ',         ' ',      ' ',      ' ',     ' ',      ' ',      ' ',      ' ',      ' ',       ' ',     ' ',     0x1D,      ' ',      ' ',      ' ',      ' ',         /* 1 */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+           0x16,         '!',      '"',      '#',     '$',      '%',      '&',     '\'',      '(',       ')',     '*',      '+',      ',',      '-',      '.',      '/',         /* 2 */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+            '0',         '1',      '2',      '3',     '4',      '5',      '6',      '7',      '8',       '9',     ':',      ';',      '<',      '=',      '>',      '?',         /* 3 */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+            '@',         'A',      'B',      'C',     'D',      'E',      'F',      'G',      'H',       'I',     'J',      'K',      'L',      'M',      'N',      'O',         /* 4 */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+            'P',         'Q',      'R',      'S',     'T',      'U',      'V',      'W',      'X',       'Y',     'Z',      '[',      '\\',     ']',      '^',      '_',         /* 5 */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+            '`',         'a',      'b',      'c',     'd',      'e',      'f',      'g',      'h',       'i',     'j',      'k',      'l',      'm',      'n',      'o',         /* 6 */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+            'p',         'q',      'r',      's',     't',      'u',      'v',      'w',      'x',       'y',     'z',      '{',      '|',      '}',      '~',     0x7F,         /* 7 */
+};
+
+/* This table is to remap and get the corresponding ASCII value based on the KEYCODE (taken as the index of the array) of quatum_keycodes.h module */
+static const unsigned char code_to_ascii[ASCII_TABLE_LENGTH] = {
+        /*     0          1         2         3        4         5         6         7         8         9         A         B         C         D         E         F                */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+           0x00,        0x00,     0x00,     0x00,      'a',      'b',     'c',      'd',      'e',       'f',     'g',      'h',      'i',      'j',      'k',      'l',         /* 0 */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+            'm',         'n',      'o',      'p',      'q',      'r',     's',      't',      'u',       'v',     'w',      'x',      'y',      'z',      '1',      '2',         /* 1 */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+            '3',         '4',      '5',      '6',      '7',      '8',     '9',      '0',     0x0A,      0x1B,    0x08,     0x09,      ' ',      '-',      '=',      '[',         /* 2 */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+            ']',        '\\',     0x00,      ';',     '\'',      '`',     ',',      '.',      '/',      0x00,    0x00,     0x00,     0x00,     0x00,      '!',      '@',         /* 3 */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+            '#',         '$',      '%',      '^',      '&',      '*',     '(',      ')',     0x00,      0x00,    0x00,     0x00,     0x00,      '_',      '+',      '{',         /* 4 */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+            '}',         '|',     0x00,     0x00,     0x00,      '~',    0x00,     0x00,     0x00,      0x00,    0x00,     0x00,     0x00,     0x00,     0x00,     0x00,         /* 5 */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+           0x00,        0x00,     0x00,     0x00,     0x7F,     0x00,    0x00,     0x01,     0x02,      0x03,    0x04,     0x00,     0x00,     0x00,     0x00,     0x00,         /* 6 */
+        /*          |         |         |         |         |         |         |         |         |         |         |         |         |         |         |         |           */
+           0x00,        0x00,     0x00,     0x00,     0x00,     0x00,    0x00,     0x00,     0x00,      0x00,    0x00,     0x00,     0x00,     0x00,     0x05,     0x00,         /* 7 */
+};
+
+/** @brief maps the keycode to get the ascii value.
+ *
+ *  If any argument is invalid, the function has no effect.
+ *
+ *  @param keycode value of the pressed key.
+ *  @return ascii value of the pressed key or a special value for non-ascii keys.
+ */
+inline static char get_ascii(int16_t keycode){
+    uint8_t ascii_idx=0x00;
+
+    if(keycode<KC_F1){
+        ascii_idx=code_to_ascii[(uint8_t)keycode];
+    }else if(keycode<KC_KP_ENTER){
+        ascii_idx=code_to_ascii[SPECIAL_KEYS_SHIFT(keycode)];
+    }else if(KC_LANG1==keycode){
+        ascii_idx=code_to_ascii[ALT_CODE];
+    }else if( QK_LSFT==(QK_LSFT&keycode) ){
+        ascii_idx=code_to_ascii[RM_LSFT(keycode)];
+    }
+
+    return ascii_t[ascii_idx];
+}
+
+/** @brief detect retuns the rotation of the display based on the keyboard side.
+ *
+ *  If any argument is invalid, the function has no effect.
+ *
+ *  @param oled_rotation_t rotation
+ *  @return rotation of the display.
+ */
+oled_rotation_t oled_init_user(oled_rotation_t rotation){
+    oled_rotation_t oled_rot=OLED_ROTATION_180;
+
+    if(true==is_master){
+#ifdef OLED_VERTICAL
+        oled_rot=OLED_ROTATION_270;
+#else
+        oled_rot=OLED_ROTATION_0;
+#endif
+    }
+    return oled_rot;
+}
+
+/** @brief renders the keylog string and display it. This function also toggles the cursor.
+ *
+ *  If any argument is invalid, the function has no effect.
+ *
+ *  @param void.
+ *  @return void.
+ */
+static void render_keylogger_status(void){
+    static bool cursor_f=true;
+
+    if(timer_elapsed32(cursor_oled_timer) > 300){
+        cursor_oled_timer = timer_read32();
+        cursor_f=!cursor_f;
+    }
+    oled_write_P(PSTR("\n>:"), false);
+    if(current_cursor_pos>(KEYLOG_LEN-1)){
+        current_cursor_pos=0;
+        memset(keylog_str, ' ', sizeof(char)*KEYLOG_EOL_LEN);
+        /* Here the EOL is to clear with white spaces all the keylog area */
+        keylog_str[KEYLOG_EOL_LEN-1] = '\0';
+        oled_write(keylog_str, false);
+        /* Reset EOL to the begining of the keylog string */
+        keylog_str[0] = '\0';
+    }
+    oled_write(keylog_str, false);
+    oled_write_char(last_c, cursor_f);
+
+}
+
+/** @brief displays the current active layout.
+ *
+ *  If any argument is invalid, the function has no effect.
+ *
+ *  @param void.
+ *  @return void.
+ */
+void render_layout_state(void){
+    CUSTOM_LAYERS_T current_layer;
+    current_layer=(CUSTOM_LAYERS_T)get_highest_layer(layer_state);
+
+#ifdef OLED_VERTICAL
+    oled_write_P(PSTR("Lyt:\n"), false);
+#else
+    oled_write_P(PSTR("Layout: "), false);
+#endif
+
+    switch (current_layer){
+#ifdef OLED_VERTICAL
+        case _COLEMAK:
+            oled_write_P(PSTR("Clmak\n"), false);
+            break;
+
+        case _DVORAK:
+            oled_write_P(PSTR("Dvak\n"), false);
+            break;
+
+        case _QWERTY:
+            oled_write_P(PSTR("Qwty\n"), false);
+            break;
+
+        default:
+            oled_write_P(PSTR("Undf\n"), false);
+            break;
+
+#else
+        case _COLEMAK:
+            oled_write_P(PSTR("Colemak\n"), false);
+            break;
+
+        case _DVORAK:
+            oled_write_P(PSTR("Dvorak\n"), false);
+            break;
+
+        case _QWERTY:
+            oled_write_P(PSTR("Qwerty\n"), false);
+            break;
+
+        default:
+            oled_write_P(PSTR("Undefined\n"), false);
+            break;
+#endif
+    }
+}
+
+/** @brief displays the current active layer.
+ *
+ *  If any argument is invalid, the function has no effect.
+ *
+ *  @param void.
+ *  @return void.
+ */
+void render_layer_state(void){
+    CUSTOM_LAYERS_T current_layer;
+    current_layer=(CUSTOM_LAYERS_T)get_highest_layer(layer_state);
+
+#ifdef OLED_VERTICAL
+    oled_write_P(PSTR("Lyr:\n"), false);
+#else
+    oled_write_P(PSTR("Layer:"), false);
+#endif
+
+    switch(current_layer){
+#ifdef OLED_VERTICAL
+        case _LOWER:
+            oled_write_P(PSTR("Lwr\n"), true);
+            break;
+
+        case _RAISE:
+            oled_write_P(PSTR("Ris\n"), true);
+            break;
+
+        case _ADJUST:
+            oled_write_P(PSTR("Adj\n"), true);
+            break;
+
+        case _NUMPAD:
+            oled_write_P(PSTR("Num\n"), true);
+            break;
+
+        default:
+            oled_write_P(PSTR("Def\n"), false);
+            break;
+
+#else
+        case _LOWER:
+            oled_write_P(PSTR(" Lower "), true);
+            break;
+
+        case _RAISE:
+            oled_write_P(PSTR(" Raise "), true);
+            break;
+
+        case _ADJUST:
+            oled_write_P(PSTR(" Adjust "), true);
+            break;
+
+        case _NUMPAD:
+            oled_write_P(PSTR(" Numpad "), true);
+            break;
+
+        default:
+            oled_write_P(PSTR(" Default "), false);
+            break;
+#endif
+    }
+}
+
+/** @brief displays the current status of the main display/
+ *
+ *  If any argument is invalid, the function has no effect.
+ *
+ *  @param void.
+ *  @return void.
+ */
+void render_status(void){
+    render_layout_state();
+    oled_write_P(PSTR("\n"), false);
+    render_layer_state();
+    render_keylogger_status();
+}
+
+/** @brief renders the logo to be displayed.
+ *
+ *  If any argument is invalid, the function has no effect.
+ *
+ *  @param void.
+ *  @return void.
+ */
+static void render_logo(void){
+    static const char PROGMEM qmk_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,
+        0x00};
+
+    oled_write_P(qmk_logo, false);
+}
+
+/** @brief executes the actions for both displays.
+ *
+ *  If any argument is invalid, the function has no effect.
+ *
+ *  @param void.
+ *  @return void.
+ */
+void oled_task_user(void){
+    if (timer_elapsed32(standby_oled_timer) > 15000){
+        oled_off();
+    }else{
+        oled_on();
+        if(true==is_master){
+            render_status();
+        }else{
+            render_logo();
+            oled_write_P(PSTR("\n"), false);
+            oled_scroll_left();
+        }
+    }
+}
+
+/** @brief process the current key and add it to the keylog string.
+ *
+ *  If any argument is invalid, the function has no effect.
+ *
+ *  @param keycode pressed key.
+ *  @return void.
+ */
+extern void add_keylog(uint16_t keycode){
+    if ((keycode >= QK_MOD_TAP && keycode <= QK_MOD_TAP_MAX) || (keycode >= QK_LAYER_TAP && keycode <= QK_LAYER_TAP_MAX)){
+        keycode&=0x00FF;
+    }
+
+    if(current_cursor_pos>(KEYLOG_LEN-1)||(current_cursor_pos>KEYLOG_STRING_STARTUP)){
+        current_cursor_pos=0;
+        last_c=get_ascii(keycode);
+        current_cursor_pos++;
+    }else{
+        if(keycode <= KC_TILD){
+            keylog_str[current_cursor_pos]=last_c;
+            last_c=get_ascii(keycode);
+            current_cursor_pos++;
+        }
+        keylog_str[current_cursor_pos] = '\0';
+    }
+
+    log_timer = timer_read();
+
+    standby_oled_timer = timer_read32();
+}

@@ 0,0 1,34 @@
+/** @file oled.h
+ *  @brief oled header that includes function prototypes and external variables.
+ *
+ * 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/>.
+ *
+ * @author Mario Corona (mariocc@comunidad.unam.mx) 2021
+ *
+ */
+#pragma once
+
+#include <stdio.h>
+#include "mcrown.h"
+
+#ifdef OLED_VERTICAL
+#define KEYLOG_LEN (48)
+#else
+#define KEYLOG_LEN (19)
+#endif
+
+#define KEYLOG_EOL_LEN (KEYLOG_LEN+1)
+
+extern void add_keylog(uint16_t keycode);
+extern void update_log(void);

@@ 0,0 1,13 @@
+![the-frey-layout](https://raw.githubusercontent.com/MarioCorona/mcrown_pics/main/mcrown_layout.png)
+
+# Keyboard layout by MCrown
+
+This is all four layers:
+
+- The top indicates the RAISE layer
+- The middle indicates the DEFAULT layer
+- The bottom indicates the LOWER layer
+- Green indicated ADJUST layer
+
+All the keys respond as you'd expect to the 'shift' key - i.e. on a UK/GB keyboard, `/` becomes `?` and so on.
+

@@ 0,0 1,18 @@
+
+# Build Options
+#   change to "no" to disable the options, or define them in the Makefile in
+#   the appropriate keymap folder that will get included automatically
+#
+MOUSEKEY_ENABLE = no        # Mouse keys(+4700)
+EXTRAKEY_ENABLE = no        # Audio control and System control(+450)
+RGB_MATRIX_ENABLE = yes     # Enable RGB Matrix. 
+OLED_DRIVER_ENABLE = yes
+
+# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
+SLEEP_LED_ENABLE = yes    # Breathing sleep LED during USB suspend
+
+# If you want to change the display of OLED, you need to change here
+SRC +=  ./lib/rgb_state_reader.c \
+        ./lib/layer_state_reader.c \
+        ./lib/logo_reader.c \
+        ./oled.c\