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diff --git a/keyboard/ergodox/ergodox.h b/keyboard/ergodox/ergodox.h
new file mode 100644
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--- /dev/null
+++ b/keyboard/ergodox/ergodox.h
@@ -0,0 +1,114 @@
+/*
+Copyright 2013 Oleg Kostyuk <cub.uanic@gmail.com>
+
+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/>.
+
+
+Copyright (c) 2012, 2013 Ben Blazak <benblazak.dev@gmail.com>
+Released under The MIT License (see "doc/licenses/MIT.md")
+Project located at <https://github.com/benblazak/ergodox-firmware>
+
+Most used files are located at
+<https://github.com/benblazak/ergodox-firmware/tree/partial-rewrite/firmware/keyboard/ergodox/controller>
+
+*/
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <avr/io.h>
+#include "i2cmaster.h"
+
+#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
+#define CPU_16MHz       0x00
+
+// I2C aliases and register addresses (see "mcp23018.md")
+#define I2C_ADDR        0b0100000
+#define I2C_ADDR_WRITE  ( (I2C_ADDR<<1) | I2C_WRITE )
+#define I2C_ADDR_READ   ( (I2C_ADDR<<1) | I2C_READ  )
+#define IODIRA          0x00            // i/o direction register
+#define IODIRB          0x01
+#define GPPUA           0x0C            // GPIO pull-up resistor register
+#define GPPUB           0x0D
+#define GPIOA           0x12            // general purpose i/o port register (write modifies OLAT)
+#define GPIOB           0x13
+#define OLATA           0x14            // output latch register
+#define OLATB           0x15
+
+void init_ergodox(void);
+uint8_t init_mcp23018(void);
+
+#define LED_BRIGHTNESS_LO       31
+#define LED_BRIGHTNESS_HI       255
+
+#define LEFT_LED_1_SHIFT        7       // in MCP23018 port B
+#define LEFT_LED_2_SHIFT        6       // in MCP23018 port B
+#define LEFT_LED_3_SHIFT        7       // in MCP23018 port A
+
+extern bool ergodox_left_led_1;         // left top
+extern bool ergodox_left_led_2;         // left middle
+extern bool ergodox_left_led_3;         // left bottom
+
+inline void ergodox_board_led_on(void)      { DDRD |=  (1<<6); PORTD |=  (1<<6); }
+inline void ergodox_right_led_1_on(void)    { DDRB |=  (1<<5); PORTB |=  (1<<5); }
+inline void ergodox_right_led_2_on(void)    { DDRB |=  (1<<6); PORTB |=  (1<<6); }
+inline void ergodox_right_led_3_on(void)    { DDRB |=  (1<<7); PORTB |=  (1<<7); }
+inline void ergodox_left_led_1_on(void)     { ergodox_left_led_1 = 1; }
+inline void ergodox_left_led_2_on(void)     { ergodox_left_led_2 = 1; }
+inline void ergodox_left_led_3_on(void)     { ergodox_left_led_3 = 1; }
+
+inline void ergodox_board_led_off(void)     { DDRD &= ~(1<<6); PORTD &= ~(1<<6); }
+inline void ergodox_right_led_1_off(void)   { DDRB &= ~(1<<5); PORTB &= ~(1<<5); }
+inline void ergodox_right_led_2_off(void)   { DDRB &= ~(1<<6); PORTB &= ~(1<<6); }
+inline void ergodox_right_led_3_off(void)   { DDRB &= ~(1<<7); PORTB &= ~(1<<7); }
+inline void ergodox_left_led_1_off(void)    { ergodox_left_led_1 = 0; }
+inline void ergodox_left_led_2_off(void)    { ergodox_left_led_2 = 0; }
+inline void ergodox_left_led_3_off(void)    { ergodox_left_led_3 = 0; }
+
+inline void ergodox_left_leds_update(void)  { init_mcp23018(); }
+
+inline void ergodox_led_all_on(void)
+{
+    ergodox_board_led_on();
+    ergodox_right_led_1_on();
+    ergodox_right_led_2_on();
+    ergodox_right_led_3_on();
+    ergodox_left_led_1_on();
+    ergodox_left_led_2_on();
+    ergodox_left_led_3_on();
+    ergodox_left_leds_update();
+}
+
+inline void ergodox_led_all_off(void)
+{
+    ergodox_board_led_off();
+    ergodox_right_led_1_off();
+    ergodox_right_led_2_off();
+    ergodox_right_led_3_off();
+    ergodox_left_led_1_off();
+    ergodox_left_led_2_off();
+    ergodox_left_led_3_off();
+    ergodox_left_leds_update();
+}
+
+inline void ergodox_right_led_1_set(uint8_t n)    { OCR1A = n; }
+inline void ergodox_right_led_2_set(uint8_t n)    { OCR1B = n; }
+inline void ergodox_right_led_3_set(uint8_t n)    { OCR1C = n; }
+
+inline void ergodox_led_all_set(uint8_t n)
+{
+    ergodox_right_led_1_set(n);
+    ergodox_right_led_2_set(n);
+    ergodox_right_led_3_set(n);
+}
+