diff --git a/keyboards/crkbd/keymaps/mcrown/config.h b/keyboards/crkbd/keymaps/mcrown/config.h
new file mode 100644
index 0000000000..e40bd639f3
--- /dev/null
+++ b/keyboards/crkbd/keymaps/mcrown/config.h
@@ -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 .
+ *
+ * @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"
diff --git a/keyboards/crkbd/keymaps/mcrown/glcdfont.c b/keyboards/crkbd/keymaps/mcrown/glcdfont.c
new file mode 100644
index 0000000000..17aa1dde39
--- /dev/null
+++ b/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 .
+ *
+ * @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,
+};
diff --git a/keyboards/crkbd/keymaps/mcrown/keymap.c b/keyboards/crkbd/keymaps/mcrown/keymap.c
new file mode 100644
index 0000000000..907e1347bb
--- /dev/null
+++ b/keyboards/crkbd/keymaps/mcrown/keymap.c
@@ -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 .
+ *
+ * @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;
+}
diff --git a/keyboards/crkbd/keymaps/mcrown/mcrown.h b/keyboards/crkbd/keymaps/mcrown/mcrown.h
new file mode 100644
index 0000000000..c3ed36eece
--- /dev/null
+++ b/keyboards/crkbd/keymaps/mcrown/mcrown.h
@@ -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 .
+ *
+ * @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;
diff --git a/keyboards/crkbd/keymaps/mcrown/oled.c b/keyboards/crkbd/keymaps/mcrown/oled.c
new file mode 100644
index 0000000000..0e245e9004
--- /dev/null
+++ b/keyboards/crkbd/keymaps/mcrown/oled.c
@@ -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 .
+ *
+ * @author Mario Corona (mariocc@comunidad.unam.mx) 2021
+ *
+ */
+
+#include QMK_KEYBOARD_H
+#include
+#include
+#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 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();
+}
diff --git a/keyboards/crkbd/keymaps/mcrown/oled.h b/keyboards/crkbd/keymaps/mcrown/oled.h
new file mode 100644
index 0000000000..7e7c746b99
--- /dev/null
+++ b/keyboards/crkbd/keymaps/mcrown/oled.h
@@ -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 .
+ *
+ * @author Mario Corona (mariocc@comunidad.unam.mx) 2021
+ *
+ */
+#pragma once
+
+#include
+#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);
diff --git a/keyboards/crkbd/keymaps/mcrown/readme.md b/keyboards/crkbd/keymaps/mcrown/readme.md
new file mode 100644
index 0000000000..e6034b1234
--- /dev/null
+++ b/keyboards/crkbd/keymaps/mcrown/readme.md
@@ -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.
+
diff --git a/keyboards/crkbd/keymaps/mcrown/rules.mk b/keyboards/crkbd/keymaps/mcrown/rules.mk
new file mode 100644
index 0000000000..df09acc6c0
--- /dev/null
+++ b/keyboards/crkbd/keymaps/mcrown/rules.mk
@@ -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\