Fix ErgoTravel Board

It was not properly including the "config_common" files, and was causing it to break on the configurator.

Additionally, updated this to use the split common code.

22 files changed, 20 insertions, 1186 deletions

diff --git a/keyboards/ergotravel/config.h b/keyboards/ergotravel/config.h
index beda546a04..2130801819 100644
--- a/keyboards/ergotravel/config.h
+++ b/keyboards/ergotravel/config.h
@@ -15,76 +15,7 @@ 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 REV1_CONFIG_H
-#define REV1_CONFIG_H
+#pragma once
 
-#include QMK_KEYBOARD_CONFIG_H
+#include "config_common.h"
 
-/* USB Device descriptor parameter */
-#define VENDOR_ID       0xCEEB
-#define PRODUCT_ID      0x1256
-#define DEVICE_VER      0x0100
-#define MANUFACTURER    JPConstantineau.com
-#define PRODUCT         ErgoTravel Keyboard
-#define DESCRIPTION     Split 45 percent ergonomic keyboard
-
-/* key matrix size */
-// Rows are doubled-up
-#define MATRIX_ROWS 8
-#define MATRIX_COLS 7
-
-// wiring of each half
-#define MATRIX_ROW_PINS { C6, D7, E6, B4 }
-#define MATRIX_COL_PINS { F5, F6, F7, B1, B3, B2, B6 }
-
-/* COL2ROW or ROW2COL */
-#define DIODE_DIRECTION COL2ROW
-
-/* define if matrix has ghost */
-//#define MATRIX_HAS_GHOST
-
-/* number of backlight levels */
-// #define BACKLIGHT_LEVELS 3
-
-/* Set 0 if debouncing isn't needed */
-#define DEBOUNCING_DELAY 5
-
-/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
-#define LOCKING_SUPPORT_ENABLE
-/* Locking resynchronize hack */
-#define LOCKING_RESYNC_ENABLE
-
-/* key combination for command */
-#define IS_COMMAND() ( \
-    keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
-)
-
-#define BACKLIGHT_PIN B5
-#define BACKLIGHT_LEVELS 5
-
-/* ws2812 RGB LED */
-#define RGB_DI_PIN D3
-#define RGBLIGHT_TIMER
-#define RGBLED_NUM 12    // Number of LEDs
-#define ws2812_PORTREG  PORTD
-#define ws2812_DDRREG   DDRD
-
-/*
- * Feature disable options
- *  These options are also useful to firmware size reduction.
- */
-
-/* disable debug print */
-// #define NO_DEBUG
-
-/* disable print */
-// #define NO_PRINT
-
-/* disable action features */
-//#define NO_ACTION_LAYER
-//#define NO_ACTION_TAPPING
-//#define NO_ACTION_ONESHOT
-//#define NO_ACTION_MACRO
-//#define NO_ACTION_FUNCTION
-
-#endif
diff --git a/keyboards/ergotravel/ergotravel.h b/keyboards/ergotravel/ergotravel.h
index 10bc4e2bb9..7201db788d 100644
--- a/keyboards/ergotravel/ergotravel.h
+++ b/keyboards/ergotravel/ergotravel.h
@@ -1,5 +1,4 @@
-#ifndef ERGOTRAVEL_H
-#define ERGOTRAVEL_H
+#pragma once
 
 #ifdef KEYBOARD_ergotravel_rev1
     #include "rev1.h"
@@ -21,4 +20,3 @@
         KC_##L30, KC_##L31, KC_##L32, KC_##L33,           KC_##L34, KC_##L35,       KC_##R30, KC_##R31,           KC_##R32, KC_##R33, KC_##R34, KC_##R35  \
     )
 
-#endif
\ No newline at end of file
diff --git a/keyboards/ergotravel/i2c.c b/keyboards/ergotravel/i2c.c
deleted file mode 100644
index 084c890c40..0000000000
--- a/keyboards/ergotravel/i2c.c
+++ /dev/null
@@ -1,162 +0,0 @@
-#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/ergotravel/i2c.h b/keyboards/ergotravel/i2c.h
deleted file mode 100644
index 43e5969884..0000000000
--- a/keyboards/ergotravel/i2c.h
+++ /dev/null
@@ -1,49 +0,0 @@
-#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  100000L
-
-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/ergotravel/keymaps/ckofy/config.h b/keyboards/ergotravel/keymaps/ckofy/config.h
index 41ec06657e..7c99c093c9 100644
--- a/keyboards/ergotravel/keymaps/ckofy/config.h
+++ b/keyboards/ergotravel/keymaps/ckofy/config.h
@@ -15,10 +15,7 @@ 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_USER_H
-#define CONFIG_USER_H
-
-#include "config_common.h"
+#pragma once
 
 /* Use I2C or Serial, not both */
 
@@ -40,4 +37,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLIGHT_SAT_STEP 8
 #define RGBLIGHT_VAL_STEP 8
 
-#endif
diff --git a/keyboards/ergotravel/keymaps/ckofy/keymap.c b/keyboards/ergotravel/keymaps/ckofy/keymap.c
index cc2c33cca3..9de5fa2b84 100644
--- a/keyboards/ergotravel/keymaps/ckofy/keymap.c
+++ b/keyboards/ergotravel/keymaps/ckofy/keymap.c
@@ -100,7 +100,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
     //|----+----+----+----+----+----+----|     |----+----+----+----+----+----+----|
            ,    ,    ,    ,    ,    ,    ,          ,COMM, P1 , P2 , P3 ,PLUS,    ,
     //|----+----+----+----+----+----+----.     .----+----+----+----+----+----+----|
-           ,    ,    ,    ,    ,    ,                    , P0 ,NLCK,    ,    ,    
+           ,    ,    ,    ,    ,    ,                    , P0 ,NLCK,    ,    ,
     //`----+----+----+--+-+----/----/               \----\----+----+----+----+----'
   ),
 
@@ -112,7 +112,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
   //|----+----+----+----+----+----+----|     |----+----+----+----+----+----+----|
          ,UDO ,CUT ,CPY ,PST ,XXXX,    ,          ,XXXX,XXXX,COMM,DOT ,SLSH,    ,
   //|----+----+----+----+----+----+----.     .----+----+----+----+----+----+----|
-         ,    ,    ,    ,    ,    ,                    ,    ,    ,    ,    ,    
+         ,    ,    ,    ,    ,    ,                    ,    ,    ,    ,    ,
   //`----+----+----+--+-+----/----/               \----\----+----+----+----+----'
   ),
 
@@ -124,7 +124,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
     //|----+----+----+----+----+----+----|     |----+----+----+----+----+----+----|
            , GRV,TILD,XXXX,EQL ,PLUS,    ,          ,UNDS,MINS,COMM,DOT ,SLSH,ENT ,
     //|----+----+----+----+----+----+----.     .----+----+----+----+----+----+----|
-           ,    ,    ,    ,    ,    ,                    ,    ,    ,    ,    ,    
+           ,    ,    ,    ,    ,    ,                    ,    ,    ,    ,    ,
     //`----+----+----+--+-+----/----/               \----\----+----+----+----+----'
   ),
 
@@ -139,7 +139,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
     //|----+----+----+----+----+----+----.     .----+----+----+----+----+----+----|
            ,    ,    ,    ,    ,    ,                    ,    ,    ,VOLD,VOLU,MUTE
     //`----+----+----+--+-+----/----/               \----\----+----+----+----+----'
-  ) 
+  )
 
 };
 
@@ -148,9 +148,9 @@ const uint16_t PROGMEM fn_actions[] = {
   ,[F_ALT]  = ACTION_MODS_ONESHOT (MOD_LALT)
   ,[F_CTRL] = ACTION_MODS_ONESHOT (MOD_LCTL)
   ,[F_NUMPAD] = ACTION_LAYER_TAP_TOGGLE(_NUMPAD)
-// ,[F_LOWER] = ACTION_LAYER_TAP_TOGGLE(LOWER)                // FN1 - Momentary Layer 1 (Lower)    
+// ,[F_LOWER] = ACTION_LAYER_TAP_TOGGLE(LOWER)                // FN1 - Momentary Layer 1 (Lower)
 // ,[F_RAISE] = ACTION_LAYER_TAP_TOGGLE(RAISE)                // FN2 - Momentary Layer 2 (Raise)
-};   
+};
 
 
 
diff --git a/keyboards/ergotravel/keymaps/ckofy/rules.mk b/keyboards/ergotravel/keymaps/ckofy/rules.mk
index 457a3d01d4..e69de29bb2 100644
--- a/keyboards/ergotravel/keymaps/ckofy/rules.mk
+++ b/keyboards/ergotravel/keymaps/ckofy/rules.mk
@@ -1,3 +0,0 @@
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif
diff --git a/keyboards/ergotravel/keymaps/default/config.h b/keyboards/ergotravel/keymaps/default/config.h
index abb8cfa8e6..eeca26ce1d 100644
--- a/keyboards/ergotravel/keymaps/default/config.h
+++ b/keyboards/ergotravel/keymaps/default/config.h
@@ -15,10 +15,7 @@ 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_USER_H
-#define CONFIG_USER_H
-
-#include "config_common.h"
+#pragma once
 
 /* Use I2C or Serial, not both */
 
@@ -38,4 +35,4 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLIGHT_SAT_STEP 8
 #define RGBLIGHT_VAL_STEP 8
 
-#endif
+
diff --git a/keyboards/ergotravel/keymaps/default/rules.mk b/keyboards/ergotravel/keymaps/default/rules.mk
index 457a3d01d4..e69de29bb2 100644
--- a/keyboards/ergotravel/keymaps/default/rules.mk
+++ b/keyboards/ergotravel/keymaps/default/rules.mk
@@ -1,3 +0,0 @@
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif
diff --git a/keyboards/ergotravel/keymaps/ian/config.h b/keyboards/ergotravel/keymaps/ian/config.h
index b2e8ca9b5d..dea5b121ea 100644
--- a/keyboards/ergotravel/keymaps/ian/config.h
+++ b/keyboards/ergotravel/keymaps/ian/config.h
@@ -15,10 +15,7 @@ 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_USER_H
-#define CONFIG_USER_H
-
-#include "config_common.h"
+#pragma once
 
 /* Use I2C or Serial, not both */
 
@@ -38,4 +35,4 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLIGHT_SAT_STEP 8
 #define RGBLIGHT_VAL_STEP 8
 
-#endif
+
diff --git a/keyboards/ergotravel/keymaps/ian/rules.mk b/keyboards/ergotravel/keymaps/ian/rules.mk
index 457a3d01d4..e69de29bb2 100644
--- a/keyboards/ergotravel/keymaps/ian/rules.mk
+++ b/keyboards/ergotravel/keymaps/ian/rules.mk
@@ -1,3 +0,0 @@
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif
diff --git a/keyboards/ergotravel/keymaps/jpconstantineau/config.h b/keyboards/ergotravel/keymaps/jpconstantineau/config.h
index abb8cfa8e6..eeca26ce1d 100644
--- a/keyboards/ergotravel/keymaps/jpconstantineau/config.h
+++ b/keyboards/ergotravel/keymaps/jpconstantineau/config.h
@@ -15,10 +15,7 @@ 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_USER_H
-#define CONFIG_USER_H
-
-#include "config_common.h"
+#pragma once
 
 /* Use I2C or Serial, not both */
 
@@ -38,4 +35,4 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLIGHT_SAT_STEP 8
 #define RGBLIGHT_VAL_STEP 8
 
-#endif
+
diff --git a/keyboards/ergotravel/keymaps/jpconstantineau/rules.mk b/keyboards/ergotravel/keymaps/jpconstantineau/rules.mk
index 457a3d01d4..e69de29bb2 100644
--- a/keyboards/ergotravel/keymaps/jpconstantineau/rules.mk
+++ b/keyboards/ergotravel/keymaps/jpconstantineau/rules.mk
@@ -1,3 +0,0 @@
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif
diff --git a/keyboards/ergotravel/keymaps/viet/config.h b/keyboards/ergotravel/keymaps/viet/config.h
index 24e95b2b96..1c6c400b45 100644
--- a/keyboards/ergotravel/keymaps/viet/config.h
+++ b/keyboards/ergotravel/keymaps/viet/config.h
@@ -15,10 +15,7 @@ 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_USER_H
-#define CONFIG_USER_H
-
-#include "config_common.h"
+#pragma once
 
 /* Use I2C or Serial, not both */
 
@@ -39,4 +36,3 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLIGHT_VAL_STEP 20
 #define RGBLIGHT_LIMIT_VAL 220
 
-#endif
diff --git a/keyboards/ergotravel/keymaps/viet/rules.mk b/keyboards/ergotravel/keymaps/viet/rules.mk
index da4752731b..24963d46b6 100644
--- a/keyboards/ergotravel/keymaps/viet/rules.mk
+++ b/keyboards/ergotravel/keymaps/viet/rules.mk
@@ -2,6 +2,3 @@ RGBLIGHT_ENABLE = yes
 BACKLIGHT_ENABLE = no
 UNICODE_ENABLE = yes
 
-ifndef QUANTUM_DIR
-	include ../../../../Makefile
-endif
diff --git a/keyboards/ergotravel/matrix.c b/keyboards/ergotravel/matrix.c
deleted file mode 100644
index 4061924dc2..0000000000
--- a/keyboards/ergotravel/matrix.c
+++ /dev/null
@@ -1,482 +0,0 @@
-/*
-Copyright 2018 Pierre Constantineau
-
-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/>.
-*/
-
-/*
- * scan matrix
- */
-#include <stdint.h>
-#include <stdbool.h>
-#include <avr/io.h>
-#include "wait.h"
-#include "print.h"
-#include "debug.h"
-#include "util.h"
-#include "matrix.h"
-#include "split_util.h"
-#include "pro_micro.h"
-#include "config.h"
-#include "timer.h"
-#include "backlight.h"
-
-#ifdef USE_I2C
-#  include "i2c.h"
-#else // USE_SERIAL
-#  include "serial.h"
-#endif
-
-#ifndef DEBOUNCING_DELAY
-#   define DEBOUNCING_DELAY 5
-#endif
-
-#if (DEBOUNCING_DELAY > 0)
-    static uint16_t debouncing_time;
-    static bool debouncing = false;
-#endif
-
-#if (MATRIX_COLS <= 8)
-#    define print_matrix_header()  print("\nr/c 01234567\n")
-#    define print_matrix_row(row)  print_bin_reverse8(matrix_get_row(row))
-#    define matrix_bitpop(i)       bitpop(matrix[i])
-#    define ROW_SHIFTER ((uint8_t)1)
-#else
-#    error "Currently only supports 8 COLS"
-#endif
-static matrix_row_t matrix_debouncing[MATRIX_ROWS];
-
-#define ERROR_DISCONNECT_COUNT 5
-
-#define SERIAL_LED_ADDR 0x00
-
-#define ROWS_PER_HAND (MATRIX_ROWS/2)
-
-static uint8_t error_count = 0;
-
-static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
-static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
-
-/* matrix state(1:on, 0:off) */
-static matrix_row_t matrix[MATRIX_ROWS];
-static matrix_row_t matrix_debouncing[MATRIX_ROWS];
-
-#if (DIODE_DIRECTION == COL2ROW)
-    static void init_cols(void);
-    static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row);
-    static void unselect_rows(void);
-    static void select_row(uint8_t row);
-    static void unselect_row(uint8_t row);
-#elif (DIODE_DIRECTION == ROW2COL)
-    static void init_rows(void);
-    static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col);
-    static void unselect_cols(void);
-    static void unselect_col(uint8_t col);
-    static void select_col(uint8_t col);
-#endif
-
-
-__attribute__ ((weak))
-void matrix_init_kb(void) {
-    matrix_init_user();
-}
-
-__attribute__ ((weak))
-void matrix_scan_kb(void) {
-    matrix_scan_user();
-}
-
-__attribute__ ((weak))
-void matrix_init_user(void) {
-}
-
-__attribute__ ((weak))
-void matrix_scan_user(void) {
-}
-
-inline
-uint8_t matrix_rows(void)
-{
-    return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void)
-{
-    return MATRIX_COLS;
-}
-
-void matrix_init(void)
-{
-    debug_enable = true;
-    debug_matrix = true;
-    debug_mouse = true;
-    // initialize row and col
-    unselect_rows();
-    init_cols();
-
-    TX_RX_LED_INIT;
-
-    // initialize matrix state: all keys off
-    for (uint8_t i=0; i < MATRIX_ROWS; i++) {
-        matrix[i] = 0;
-        matrix_debouncing[i] = 0;
-    }
-
-    matrix_init_quantum();
-
-}
-
-uint8_t _matrix_scan(void)
-{
-    int offset = isLeftHand ? 0 : (ROWS_PER_HAND);
-#if (DIODE_DIRECTION == COL2ROW)
-    // Set row, read cols
-    for (uint8_t current_row = 0; current_row < ROWS_PER_HAND; current_row++) {
-#       if (DEBOUNCING_DELAY > 0)
-            bool matrix_changed = read_cols_on_row(matrix_debouncing+offset, current_row);
-
-            if (matrix_changed) {
-                debouncing = true;
-                debouncing_time = timer_read();
-                PORTD ^= (1 << 2);
-            }
-
-#       else
-            read_cols_on_row(matrix+offset, current_row);
-#       endif
-
-    }
-
-#elif (DIODE_DIRECTION == ROW2COL)
-    // Set col, read rows
-    for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
-#       if (DEBOUNCING_DELAY > 0)
-            bool matrix_changed = read_rows_on_col(matrix_debouncing+offset, current_col);
-            if (matrix_changed) {
-                debouncing = true;
-                debouncing_time = timer_read();
-            }
-#       else
-             read_rows_on_col(matrix+offset, current_col);
-#       endif
-
-    }
-#endif
-
-#   if (DEBOUNCING_DELAY > 0)
-        if (debouncing && (timer_elapsed(debouncing_time) > DEBOUNCING_DELAY)) {
-            for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
-                matrix[i+offset] = matrix_debouncing[i+offset];
-            }
-            debouncing = false;
-        }
-#   endif
-
-    return 1;
-}
-
-#ifdef USE_I2C
-
-// Get rows from other half over i2c
-int i2c_transaction(void) {
-    int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
-
-    int err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);
-    if (err) goto i2c_error;
-
-    // start of matrix stored at 0x00
-    err = i2c_master_write(0x00);
-    if (err) goto i2c_error;
-
-#ifdef BACKLIGHT_ENABLE
-    // Write backlight level for slave to read
-    err = i2c_master_write(get_backlight_level());
-#else
-    // Write zero, so our byte index is the same
-    err = i2c_master_write(0x00);
-#endif
-    if (err) goto i2c_error;
-
-    // Start read
-    err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ);
-    if (err) goto i2c_error;
-
-    if (!err) {
-        int i;
-        for (i = 0; i < ROWS_PER_HAND-1; ++i) {
-            matrix[slaveOffset+i] = i2c_master_read(I2C_ACK);
-        }
-        matrix[slaveOffset+i] = i2c_master_read(I2C_NACK);
-        i2c_master_stop();
-    } else {
-i2c_error: // the cable is disconnceted, or something else went wrong
-        i2c_reset_state();
-        return err;
-    }
-
-    return 0;
-}
-
-#else // USE_SERIAL
-
-int serial_transaction(void) {
-    int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
-
-    if (serial_update_buffers()) {
-        return 1;
-    }
-
-    for (int i = 0; i < ROWS_PER_HAND; ++i) {
-        matrix[slaveOffset+i] = serial_slave_buffer[i];
-    }
-
-#ifdef BACKLIGHT_ENABLE
-    // Write backlight level for slave to read
-    serial_master_buffer[SERIAL_LED_ADDR] = get_backlight_level();
-#endif
-    return 0;
-}
-#endif
-
-uint8_t matrix_scan(void)
-{
-    uint8_t ret = _matrix_scan();
-
-#ifdef USE_I2C
-    if( i2c_transaction() ) {
-#else // USE_SERIAL
-    if( serial_transaction() ) {
-#endif
-        // turn on the indicator led when halves are disconnected
-        TXLED1;
-
-        error_count++;
-
-        if (error_count > ERROR_DISCONNECT_COUNT) {
-            // reset other half if disconnected
-            int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
-            for (int i = 0; i < ROWS_PER_HAND; ++i) {
-                matrix[slaveOffset+i] = 0;
-            }
-        }
-    } else {
-        // turn off the indicator led on no error
-        TXLED0;
-        error_count = 0;
-    }
-    matrix_scan_quantum();
-    return ret;
-}
-
-void matrix_slave_scan(void) {
-    _matrix_scan();
-
-    int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
-
-#ifdef USE_I2C
-#ifdef BACKLIGHT_ENABLE
-    // Read backlight level sent from master and update level on slave
-    backlight_set(i2c_slave_buffer[0]);
-#endif
-    for (int i = 0; i < ROWS_PER_HAND; ++i) {
-        i2c_slave_buffer[i+1] = matrix[offset+i];
-    }
-#else // USE_SERIAL
-    for (int i = 0; i < ROWS_PER_HAND; ++i) {
-        serial_slave_buffer[i] = matrix[offset+i];
-    }
-
-#ifdef BACKLIGHT_ENABLE
-    // Read backlight level sent from master and update level on slave
-    backlight_set(serial_master_buffer[SERIAL_LED_ADDR]);
-#endif
-#endif
-}
-
-bool matrix_is_modified(void)
-{
-    if (debouncing) return false;
-    return true;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
-    return (matrix[row] & ((matrix_row_t)1<<col));
-}
-
-inline
-matrix_row_t matrix_get_row(uint8_t row)
-{
-    return matrix[row];
-}
-
-void matrix_print(void)
-{
-    print("\nr/c 0123456789ABCDEF\n");
-    for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
-        phex(row); print(": ");
-        pbin_reverse16(matrix_get_row(row));
-        print("\n");
-    }
-}
-
-uint8_t matrix_key_count(void)
-{
-    uint8_t count = 0;
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        count += bitpop16(matrix[i]);
-    }
-    return count;
-}
-
-#if (DIODE_DIRECTION == COL2ROW)
-
-static void init_cols(void)
-{
-    for(uint8_t x = 0; x < MATRIX_COLS; x++) {
-        uint8_t pin = col_pins[x];
-        _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
-        _SFR_IO8((pin >> 4) + 2) |=  _BV(pin & 0xF); // HI
-    }
-}
-
-static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)
-{
-    // Store last value of row prior to reading
-    matrix_row_t last_row_value = current_matrix[current_row];
-
-    // Clear data in matrix row
-    current_matrix[current_row] = 0;
-
-    // Select row and wait for row selecton to stabilize
-    select_row(current_row);
-    wait_us(30);
-
-    // For each col...
-    for(uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
-
-        // Select the col pin to read (active low)
-        uint8_t pin = col_pins[col_index];
-        uint8_t pin_state = (_SFR_IO8(pin >> 4) & _BV(pin & 0xF));
-
-        // Populate the matrix row with the state of the col pin
-        current_matrix[current_row] |=  pin_state ? 0 : (ROW_SHIFTER << col_index);
-    }
-
-    // Unselect ro