Add helix keyboard (#2308)

* Fork from Let's Split

* Organizing files

* Delete some keymaps

* I2C and serial enabled at the same time

* Change readme

* add #define HELIX_ROWS for multiple rows

* Delete avrdude flashing script

* Delete makefiles

* Subproject elimination

* Fix lufa path

* Remove PLAY_NOTE_ARRAY usages to get rid of warning.

Fix conflicting function name

* Mousekey change default to off

* Fix to oled display adjust

* make rev2

change pin assign
change keymap

* use master_buffer

* Timing adjustment

* Organizing files

* Change Keymap

* Change Keymap

Add EISU and KANA
Correct 4rows

* NKRO default to disable

* EXTRAKEY_ENABLE default to disable

* add rgb reset key

* rgb custom function enable

*  Extend font

* add RGBLED_POWER

default folder to helix/rev2
RGB_ENABLE to no

* renamed directory

* Disable RGBLIGHT_CUSTOM_DRIVER

* Disable LOCKING_SUPPORT_ENABLE

* Update bootloader setting

* Change readme

* Fixed argument error

38 files changed, 4811 insertions, 0 deletions

diff --git a/keyboards/helix/common/glcdfont.c b/keyboards/helix/common/glcdfont.c
new file mode 100644
index 0000000000..89665ba074
--- /dev/null
+++ b/keyboards/helix/common/glcdfont.c
@@ -0,0 +1,244 @@
+// This is the 'classic' fixed-space bitmap font for Adafruit_GFX since 1.0.
+// See gfxfont.h for newer custom bitmap font info.
+
+#ifndef FONT5X7_H
+#define FONT5X7_H
+
+#ifdef __AVR__
+ #include <avr/io.h>
+ #include <avr/pgmspace.h>
+#elif defined(ESP8266)
+ #include <pgmspace.h>
+#else
+ #define PROGMEM
+#endif
+
+// 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,
+  0x03, 0x07, 0x1F, 0x7F, 0xFF, 0xFF,
+  0xFE, 0xF8, 0xF0, 0xC0, 0x20, 0xF8,
+  0xFE, 0xFF, 0xFE, 0x79, 0x27, 0x1F,
+  0x7F, 0xFF, 0xFF, 0xFE, 0xF8, 0xF0,
+  0xC0, 0x20, 0xF8, 0xFE, 0xFF, 0xFF,
+  0x7F, 0x3F, 0x3F, 0x7F, 0xFF, 0xFE,
+  0xF8, 0xF0, 0xC0, 0x00, 0x00, 0x00,
+  0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0xFF, 0x7F, 0x7F, 0x7F,
+  0xBF, 0xBF, 0xC0, 0xC0, 0xC0, 0xE0,
+  0xE0, 0xE0, 0xE0, 0xF0, 0xF0, 0xF0,
+  0xF8, 0x78, 0x78, 0x7C, 0x3C, 0x3C,
+  0xFE, 0xFE, 0xFE, 0xFF, 0xFF, 0xFF,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x80, 0x80,
+  0xBF, 0xBF, 0xDF, 0xDF, 0xEF, 0xEF,
+  0x00, 0x03, 0x07, 0x1F, 0x7F, 0xFF,
+  0xFF, 0xFF, 0xFE, 0xF8, 0xE0, 0xC0,
+  0xE0, 0xF8, 0xFE, 0xFF, 0xFF, 0xFF,
+  0x7F, 0x1F, 0x07, 0x03, 0x00, 0x00,
+  0xE0, 0xF0, 0xF0, 0xF0, 0xE0, 0xEC,
+  0xEE, 0xF7, 0xF3, 0x70, 0x20, 0x00,
+  0x7C, 0x7C, 0x7C, 0x7E, 0x00, 0x7E,
+  0x7E, 0x7E, 0x7F, 0x7F, 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, 0xC1, 0xF3,
+  0xCF, 0xBF, 0x7F, 0xFF, 0xFF, 0xFC,
+  0xFB, 0xE7, 0x81, 0x00, 0x00, 0x00,
+  0x00, 0x80, 0xE3, 0xCF, 0x3F, 0xFF,
+  0xFF, 0xFF, 0xFC, 0xFB, 0xE7, 0x81,
+  0x00, 0x00, 0x00, 0x00, 0x81, 0xE7,
+  0xFF, 0xFF, 0xFF, 0xFF, 0x3C, 0x00,
+  0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xF8, 0xF8, 0xFC, 0x7C, 0x7E,
+  0x7E, 0x3E, 0xFE, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xF7, 0xF7, 0xF7, 0xFB,
+  0xFB, 0x7D, 0x7D, 0x7D, 0xBE, 0xBE,
+  0xBE, 0xDF, 0xDF, 0xE0, 0xE0, 0x00,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0x00, 0xFC, 0xFC, 0x7C, 0x7E, 0x7E,
+  0x3E, 0x3E, 0x1F, 0x1F, 0x1F, 0x0F,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x81,
+  0xE7, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+  0xFF, 0xFF, 0xFF, 0xFF, 0xE7, 0x81,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x0F, 0x1F, 0x3F, 0x7F, 0x7F, 0x7F,
+  0x7F, 0x7F, 0x3F, 0x1E, 0x0C, 0x00,
+  0x1F, 0x1F, 0x1F, 0x3F, 0x00, 0x3F,
+  0x3F, 0x3F, 0x7F, 0x7F, 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,
+  0x60, 0x70, 0x7C, 0x7F, 0x7F, 0x7F,
+  0x7F, 0x1F, 0x06, 0x01, 0x03, 0x0F,
+  0x3F, 0x7F, 0x7F, 0x7E, 0x7C, 0x7C,
+  0x7E, 0x7F, 0x7F, 0x7F, 0x1F, 0x06,
+  0x01, 0x07, 0x0F, 0x3F, 0x7F, 0x7F,
+  0x7E, 0x7C, 0x7C, 0x7E, 0x7F, 0x7F,
+  0x3F, 0x0F, 0x03, 0x00, 0x00, 0x00,
+  0x00, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F,
+  0x7F, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x7F, 0x7F, 0x7F, 0x7F,
+  0x7F, 0x7F, 0x7D, 0x7D, 0x3D, 0x3E,
+  0x1E, 0x1F, 0x1F, 0x1F, 0x0F, 0x0F,
+  0x07, 0x07, 0x07, 0x03, 0x03, 0x00,
+  0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F,
+  0x7C, 0x7C, 0x7C, 0x7C, 0x7C, 0x7C,
+  0x7C, 0x7C, 0x7C, 0x7C, 0x7C, 0x00,
+  0x7F, 0x7F, 0x7F, 0x7F, 0x7F, 0x7F,
+  0x00, 0x40, 0x70, 0x78, 0x7E, 0x7F,
+  0x7F, 0x7F, 0x3F, 0x0F, 0x03, 0x01,
+  0x03, 0x0F, 0x3F, 0x7F, 0x7F, 0x7F,
+  0x7E, 0x78, 0x70, 0x40, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+#endif // FONT5X7_H
diff --git a/keyboards/helix/config.h b/keyboards/helix/config.h
new file mode 100644
index 0000000000..8f0524f972
--- /dev/null
+++ b/keyboards/helix/config.h
@@ -0,0 +1,28 @@
+/*
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#include "config_common.h"
+
+#ifdef SUBPROJECT_rev1
+    #include "rev1/config.h"
+#endif
+
+#endif
diff --git a/keyboards/helix/helix.c b/keyboards/helix/helix.c
new file mode 100644
index 0000000000..539abd5349
--- /dev/null
+++ b/keyboards/helix/helix.c
@@ -0,0 +1 @@
+#include "helix.h"
diff --git a/keyboards/helix/helix.h b/keyboards/helix/helix.h
new file mode 100644
index 0000000000..cddeb88303
--- /dev/null
+++ b/keyboards/helix/helix.h
@@ -0,0 +1,57 @@
+#ifndef HELIX_H
+#define HELIX_H
+
+#ifdef KEYBOARD_helix_rev1
+    #include "rev1.h"
+#endif
+#ifdef KEYBOARD_helix_rev2
+    #include "rev2.h"
+#endif
+
+#if HELIX_ROWS == 3
+  #define KC_KEYMAP( \
+      L00, L01, L02, L03, L04, L05, R00, R01, R02, R03, R04, R05, \
+      L10, L11, L12, L13, L14, L15, R10, R11, R12, R13, R14, R15, \
+      L20, L21, L22, L23, L24, L25, R20, R21, R22, R23, R24, R25, \
+      ) \
+      KEYMAP( \
+          KC_##L00, KC_##L01, KC_##L02, KC_##L03, KC_##L04, KC_##L05, KC_##R00, KC_##R01, KC_##R02, KC_##R03, KC_##R04, KC_##R05, \
+          KC_##L10, KC_##L11, KC_##L12, KC_##L13, KC_##L14, KC_##L15, KC_##R10, KC_##R11, KC_##R12, KC_##R13, KC_##R14, KC_##R15, \
+          KC_##L20, KC_##L21, KC_##L22, KC_##L23, KC_##L24, KC_##L25, KC_##R20, KC_##R21, KC_##R22, KC_##R23, KC_##R24, KC_##R25, \
+      )
+#elif HELIX_ROWS == 4
+  // Used to create a keymap using only KC_ prefixed keys
+  #define KC_KEYMAP( \
+      L00, L01, L02, L03, L04, L05, R00, R01, R02, R03, R04, R05, \
+      L10, L11, L12, L13, L14, L15, R10, R11, R12, R13, R14, R15, \
+      L20, L21, L22, L23, L24, L25, R20, R21, R22, R23, R24, R25, \
+      L30, L31, L32, L33, L34, L35, R30, R31, R32, R33, R34, R35 \
+      ) \
+      KEYMAP( \
+          KC_##L00, KC_##L01, KC_##L02, KC_##L03, KC_##L04, KC_##L05, KC_##R00, KC_##R01, KC_##R02, KC_##R03, KC_##R04, KC_##R05, \
+          KC_##L10, KC_##L11, KC_##L12, KC_##L13, KC_##L14, KC_##L15, KC_##R10, KC_##R11, KC_##R12, KC_##R13, KC_##R14, KC_##R15, \
+          KC_##L20, KC_##L21, KC_##L22, KC_##L23, KC_##L24, KC_##L25, KC_##R20, KC_##R21, KC_##R22, KC_##R23, KC_##R24, KC_##R25, \
+          KC_##L30, KC_##L31, KC_##L32, KC_##L33, KC_##L34, KC_##L35, KC_##R30, KC_##R31, KC_##R32, KC_##R33, KC_##R34, KC_##R35 \
+      )
+#elif HELIX_ROWS == 5
+  #define KC_KEYMAP( \
+      L00, L01, L02, L03, L04, L05, R00, R01, R02, R03, R04, R05, \
+      L10, L11, L12, L13, L14, L15, R10, R11, R12, R13, R14, R15, \
+      L20, L21, L22, L23, L24, L25, R20, R21, R22, R23, R24, R25, \
+      L30, L31, L32, L33, L34, L35, R30, R31, R32, R33, R34, R35, \
+      L40, L41, L42, L43, L44, L45, R40, R41, R42, R43, R44, R45 \
+      ) \
+      KEYMAP( \
+          KC_##L00, KC_##L01, KC_##L02, KC_##L03, KC_##L04, KC_##L05, KC_##R00, KC_##R01, KC_##R02, KC_##R03, KC_##R04, KC_##R05, \
+          KC_##L10, KC_##L11, KC_##L12, KC_##L13, KC_##L14, KC_##L15, KC_##R10, KC_##R11, KC_##R12, KC_##R13, KC_##R14, KC_##R15, \
+          KC_##L20, KC_##L21, KC_##L22, KC_##L23, KC_##L24, KC_##L25, KC_##R20, KC_##R21, KC_##R22, KC_##R23, KC_##R24, KC_##R25, \
+          KC_##L30, KC_##L31, KC_##L32, KC_##L33, KC_##L34, KC_##L35, KC_##R30, KC_##R31, KC_##R32, KC_##R33, KC_##R34, KC_##R35, \
+          KC_##L40, KC_##L41, KC_##L42, KC_##L43, KC_##L44, KC_##L45, KC_##R40, KC_##R41, KC_##R42, KC_##R43, KC_##R44, KC_##R45 \
+      )
+#else
+  #error "expected HELIX_ROWS 3 or 4 or 5"
+#endif
+
+#include "quantum.h"
+
+#endif
diff --git a/keyboards/helix/i2c.c b/keyboards/helix/i2c.c
new file mode 100644
index 0000000000..084c890c40
--- /dev/null
+++ b/keyboards/helix/i2c.c
@@ -0,0 +1,162 @@
+#include <util/twi.h>
+#include <avr/io.h>
+#include <stdlib.h>
+#include <avr/interrupt.h>
+#include <util/twi.h>
+#include <stdbool.h>
+#include "i2c.h"
+
+#ifdef USE_I2C
+
+// Limits the amount of we wait for any one i2c transaction.
+// Since were running SCL line 100kHz (=> 10μs/bit), and each transactions is
+// 9 bits, a single transaction will take around 90μs to complete.
+//
+// (F_CPU/SCL_CLOCK)  =>  # of μC cycles to transfer a bit
+// poll loop takes at least 8 clock cycles to execute
+#define I2C_LOOP_TIMEOUT (9+1)*(F_CPU/SCL_CLOCK)/8
+
+#define BUFFER_POS_INC() (slave_buffer_pos = (slave_buffer_pos+1)%SLAVE_BUFFER_SIZE)
+
+volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
+
+static volatile uint8_t slave_buffer_pos;
+static volatile bool slave_has_register_set = false;
+
+// Wait for an i2c operation to finish
+inline static
+void i2c_delay(void) {
+  uint16_t lim = 0;
+  while(!(TWCR & (1<<TWINT)) && lim < I2C_LOOP_TIMEOUT)
+    lim++;
+
+  // easier way, but will wait slightly longer
+  // _delay_us(100);
+}
+
+// Setup twi to run at 100kHz
+void i2c_master_init(void) {
+  // no prescaler
+  TWSR = 0;
+  // Set TWI clock frequency to SCL_CLOCK. Need TWBR>10.
+  // Check datasheets for more info.
+  TWBR = ((F_CPU/SCL_CLOCK)-16)/2;
+}
+
+// Start a transaction with the given i2c slave address. The direction of the
+// transfer is set with I2C_READ and I2C_WRITE.
+// returns: 0 => success
+//          1 => error
+uint8_t i2c_master_start(uint8_t address) {
+  TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTA);
+
+  i2c_delay();
+
+  // check that we started successfully
+  if ( (TW_STATUS != TW_START) && (TW_STATUS != TW_REP_START))
+    return 1;
+
+  TWDR = address;
+  TWCR = (1<<TWINT) | (1<<TWEN);
+
+  i2c_delay();
+
+  if ( (TW_STATUS != TW_MT_SLA_ACK) && (TW_STATUS != TW_MR_SLA_ACK) )
+    return 1; // slave did not acknowledge
+  else
+    return 0; // success
+}
+
+
+// Finish the i2c transaction.
+void i2c_master_stop(void) {
+  TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
+
+  uint16_t lim = 0;
+  while(!(TWCR & (1<<TWSTO)) && lim < I2C_LOOP_TIMEOUT)
+    lim++;
+}
+
+// Write one byte to the i2c slave.
+// returns 0 => slave ACK
+//         1 => slave NACK
+uint8_t i2c_master_write(uint8_t data) {
+  TWDR = data;
+  TWCR = (1<<TWINT) | (1<<TWEN);
+
+  i2c_delay();
+
+  // check if the slave acknowledged us
+  return (TW_STATUS == TW_MT_DATA_ACK) ? 0 : 1;
+}
+
+// Read one byte from the i2c slave. If ack=1 the slave is acknowledged,
+// if ack=0 the acknowledge bit is not set.
+// returns: byte read from i2c device
+uint8_t i2c_master_read(int ack) {
+  TWCR = (1<<TWINT) | (1<<TWEN) | (ack<<TWEA);
+
+  i2c_delay();
+  return TWDR;
+}
+
+void i2c_reset_state(void) {
+  TWCR = 0;
+}
+
+void i2c_slave_init(uint8_t address) {
+  TWAR = address << 0; // slave i2c address
+  // TWEN  - twi enable
+  // TWEA  - enable address acknowledgement
+  // TWINT - twi interrupt flag
+  // TWIE  - enable the twi interrupt
+  TWCR = (1<<TWIE) | (1<<TWEA) | (1<<TWINT) | (1<<TWEN);
+}
+
+ISR(TWI_vect);
+
+ISR(TWI_vect) {
+  uint8_t ack = 1;
+  switch(TW_STATUS) {
+    case TW_SR_SLA_ACK:
+      // this device has been addressed as a slave receiver
+      slave_has_register_set = false;
+      break;
+
+    case TW_SR_DATA_ACK:
+      // this device has received data as a slave receiver
+      // The first byte that we receive in this transaction sets the location
+      // of the read/write location of the slaves memory that it exposes over
+      // i2c.  After that, bytes will be written at slave_buffer_pos, incrementing
+      // slave_buffer_pos after each write.
+      if(!slave_has_register_set) {
+        slave_buffer_pos = TWDR;
+        // don't acknowledge the master if this memory loctaion is out of bounds
+        if ( slave_buffer_pos >= SLAVE_BUFFER_SIZE ) {
+          ack = 0;
+          slave_buffer_pos = 0;
+        }
+        slave_has_register_set = true;
+      } else {
+        i2c_slave_buffer[slave_buffer_pos] = TWDR;
+        BUFFER_POS_INC();
+      }
+      break;
+
+    case TW_ST_SLA_ACK:
+    case TW_ST_DATA_ACK:
+      // master has addressed this device as a slave transmitter and is
+      // requesting data.
+      TWDR = i2c_slave_buffer[slave_buffer_pos];
+      BUFFER_POS_INC();
+      break;
+
+    case TW_BUS_ERROR: // something went wrong, reset twi state
+      TWCR = 0;
+    default:
+      break;
+  }
+  // Reset everything, so we are ready for the next TWI interrupt
+  TWCR |= (1<<TWIE) | (1<<TWINT) | (ack<<TWEA) | (1<<TWEN);
+}
+#endif
diff --git a/keyboards/helix/i2c.h b/keyboards/helix/i2c.h
new file mode 100644
index 0000000000..c15b6bc506
--- /dev/null
+++ b/keyboards/helix/i2c.h
@@ -0,0 +1,49 @@
+#ifndef I2C_H
+#define I2C_H
+
+#include <stdint.h>
+
+#ifndef F_CPU
+#define F_CPU 16000000UL
+#endif
+
+#define I2C_READ 1
+#define I2C_WRITE 0
+
+#define I2C_ACK 1
+#define I2C_NACK 0
+
+#define SLAVE_BUFFER_SIZE 0x10
+
+// i2c SCL clock frequency
+#define SCL_CLOCK  400000L
+
+extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
+
+void i2c_master_init(void);
+uint8_t i2c_master_start(uint8_t address);
+void i2c_master_stop(void);
+uint8_t i2c_master_write(uint8_t data);
+uint8_t i2c_master_read(int);
+void i2c_reset_state(void);
+void i2c_slave_init(uint8_t address);
+
+
+static inline unsigned char i2c_start_read(unsigned char addr) {
+  return i2c_master_start((addr << 1) | I2C_READ);
+}
+
+static inline unsigned char i2c_start_write(unsigned char addr) {
+  return i2c_master_start((addr << 1) | I2C_WRITE);
+}
+
+// from SSD1306 scrips
+extern unsigned char i2c_rep_start(unsigned char addr);
+extern void i2c_start_wait(unsigned char addr);
+extern unsigned char i2c_readAck(void);
+extern unsigned char i2c_readNak(void);
+extern unsigned char i2c_read(unsigned char ack);
+
+#define i2c_read(ack)  (ack) ? i2c_readAck() : i2c_readNak();
+
+#endif
diff --git a/keyboards/helix/pro_micro.h b/keyboards/helix/pro_micro.h
new file mode 100644
index 0000000000..f9e7ed75d9
--- /dev/null
+++ b/keyboards/helix/pro_micro.h
@@ -0,0 +1,362 @@
+/*
+  pins_arduino.h - Pin definition functions for Arduino
+  Part of Arduino - http://www.arduino.cc/
+
+  Copyright (c) 2007 David A. Mellis
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General
+  Public License along with this library; if not, write to the
+  Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+  Boston, MA  02111-1307  USA
+
+  $Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
+*/
+
+#ifndef Pins_Arduino_h
+#define Pins_Arduino_h
+
+#include <avr/pgmspace.h>
+
+// Workaround for wrong definitions in "iom32u4.h".
+// This should be fixed in the AVR toolchain.
+#undef UHCON
+#undef UHINT
+#undef UHIEN
+#undef UHADDR
+#undef UHFNUM
+#undef UHFNUML
+#undef UHFNUMH
+#undef UHFLEN
+#undef UPINRQX
+#undef UPINTX
+#undef UPNUM
+#undef UPRST
+#undef UPCONX
+#undef UPCFG0X
+#undef UPCFG1X
+#undef UPSTAX
+#undef UPCFG2X
+#undef UPIENX
+#undef UPDATX
+#undef TCCR2A
+#undef WGM20
+#undef WGM21
+#undef COM2B0
+#undef COM2B1
+#undef COM2A0
+#undef COM2A1
+#undef TCCR2B
+#undef CS20
+#undef CS21
+#undef CS22
+#undef WGM22
+#undef FOC2B
+#undef FOC2A
+#undef TCNT2
+#undef TCNT2_0
+#undef TCNT2_1
+#undef TCNT2_2
+#undef TCNT2_3
+#undef TCNT2_4
+#undef TCNT2_5
+#undef TCNT2_6
+#undef TCNT2_7
+#undef OCR2A
+#undef OCR2_0
+#undef OCR2_1
+#undef OCR2_2
+#undef OCR2_3
+#undef OCR2_4
+#undef OCR2_5
+#undef OCR2_6
+#undef OCR2_7
+#undef OCR2B
+#undef OCR2_0
+#undef OCR2_1
+#undef OCR2_2
+#undef OCR2_3
+#undef OCR2_4
+#undef OCR2_5
+#undef OCR2_6
+#undef OCR2_7
+
+#define NUM_DIGITAL_PINS  30
+#define NUM_ANALOG_INPUTS 12
+
+#define TX_RX_LED_INIT  DDRD |= (1<<5), DDRB |= (1<<0)
+#define TXLED0          PORTD |= (1<<5)
+#define TXLED1          PORTD &= ~(1<<5)
+#define RXLED0          PORTB |= (1<<0)
+#define RXLED1          PORTB &= ~(1<<0)
+
+static const uint8_t SDA = 2;
+static const uint8_t SCL = 3;
+#define LED_BUILTIN 13
+
+// Map SPI port to 'new' pins D14..D17
+static const uint8_t SS   = 17;
+static const uint8_t MOSI = 16;
+static const uint8_t MISO = 14;
+static const uint8_t SCK  = 15;
+
+// Mapping of analog pins as digital I/O
+// A6-A11 share with digital pins
+static const uint8_t ADC0 = 18;
+static const uint8_t ADC1 = 19;
+static const uint8_t ADC2 = 20;
+static const uint8_t ADC3 = 21;
+static const uint8_t ADC4 = 22;
+static const uint8_t ADC5 = 23;
+static const uint8_t ADC6 = 24;   // D4
+static const uint8_t ADC7 = 25;   // D6
+static const uint8_t ADC8 = 26;   // D8
+static const uint8_t ADC9 = 27;   // D9
+static const uint8_t ADC10 = 28;  // D10
+static const uint8_t ADC11 = 29;  // D12
+
+#define digitalPinToPCICR(p)    ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCICR) : ((uint8_t *)0))
+#define digitalPinToPCICRbit(p) 0
+#define digitalPinToPCMSK(p)    ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCMSK0) : ((uint8_t *)0))
+#define digitalPinToPCMSKbit(p) ( ((p) >= 8 && (p) <= 11) ? (p) - 4 : ((p) == 14 ? 3 : ((p) == 15 ? 1 : ((p) == 16 ? 2 : ((p) == 17 ? 0 : (p - A8 + 4))))))
+
+//  __AVR_ATmega32U4__ has an unusual mapping of pins to channels
+extern const uint8_t PROGMEM analog_pin_to_channel_PGM[];
+#define analogPinToChannel(P)  ( pgm_read_byte( analog_pin_to_channel_PGM + (P) ) )
+
+#define digitalPinToInterrupt(p) ((p) == 0 ? 2 : ((p) == 1 ? 3 : ((p) == 2 ? 1 : ((p) == 3 ? 0 : ((p) == 7 ? 4 : NOT_AN_INTERRUPT)))))
+
+#ifdef ARDUINO_MAIN
+
+// On the Arduino board, digital pins are also used
+// for the analog output (software PWM).  Analog input
+// pins are a separate set.
+
+// ATMEL ATMEGA32U4 / ARDUINO LEONARDO
+//
+// D0               PD2                 RXD1/INT2
+// D1               PD3                 TXD1/INT3
+// D2               PD1     SDA         SDA/INT1
+// D3#              PD0     PWM8/SCL    OC0B/SCL/INT0
+// D4       A6      PD4                 ADC8
+// D5#              PC6     ???         OC3A/#OC4A
+// D6#      A7      PD7     FastPWM     #OC4D/ADC10
+// D7               PE6                 INT6/AIN0
+//
+// D8       A8      PB4                 ADC11/PCINT4
+// D9#      A9      PB5     PWM16       OC1A/#OC4B/ADC12/PCINT5
+// D10#     A10     PB6     PWM16       OC1B/0c4B/ADC13/PCINT6
+// D11#             PB7     PWM8/16     0C0A/OC1C/#RTS/PCINT7
+// D12      A11     PD6                 T1/#OC4D/ADC9
+// D13#             PC7     PWM10       CLK0/OC4A
+//
+// A0       D18     PF7                 ADC7
+// A1       D19     PF6                 ADC6
+// A2       D20     PF5                 ADC5
+// A3       D21     PF4                 ADC4
+// A4       D22     PF1                 ADC1
+// A5       D23     PF0                 ADC0
+//