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-rw-r--r--keyboard/hid_libre/Makefile.lufa120
-rw-r--r--keyboard/hid_libre/Makefile.pjrc95
-rw-r--r--keyboard/hid_libre/config.h56
-rw-r--r--keyboard/hid_libre/keymap.c195
-rw-r--r--keyboard/hid_libre/led.c34
-rw-r--r--keyboard/hid_libre/matrix.c233
6 files changed, 733 insertions, 0 deletions
diff --git a/keyboard/hid_libre/Makefile.lufa b/keyboard/hid_libre/Makefile.lufa
new file mode 100644
index 0000000000..1f365da112
--- /dev/null
+++ b/keyboard/hid_libre/Makefile.lufa
@@ -0,0 +1,120 @@
+#----------------------------------------------------------------------------
+# On command line:
+#
+# make all = Make software.
+#
+# make clean = Clean out built project files.
+#
+# make coff = Convert ELF to AVR COFF.
+#
+# make extcoff = Convert ELF to AVR Extended COFF.
+#
+# make program = Download the hex file to the device.
+# Please customize your programmer settings(PROGRAM_CMD)
+#
+# make teensy = Download the hex file to the device, using teensy_loader_cli.
+# (must have teensy_loader_cli installed).
+#
+# make dfu = Download the hex file to the device, using dfu-programmer (must
+# have dfu-programmer installed).
+#
+# make flip = Download the hex file to the device, using Atmel FLIP (must
+# have Atmel FLIP installed).
+#
+# make dfu-ee = Download the eeprom file to the device, using dfu-programmer
+# (must have dfu-programmer installed).
+#
+# make flip-ee = Download the eeprom file to the device, using Atmel FLIP
+# (must have Atmel FLIP installed).
+#
+# make debug = Start either simulavr or avarice as specified for debugging,
+# with avr-gdb or avr-insight as the front end for debugging.
+#
+# make filename.s = Just compile filename.c into the assembler code only.
+#
+# make filename.i = Create a preprocessed source file for use in submitting
+# bug reports to the GCC project.
+#
+# To rebuild project do "make clean" then "make all".
+#----------------------------------------------------------------------------
+
+# Target file name (without extension).
+TARGET = macway_lufa
+
+# Directory common source filess exist
+TOP_DIR = ../..
+
+# Directory keyboard dependent files exist
+TARGET_DIR = .
+
+
+# List C source files here. (C dependencies are automatically generated.)
+SRC += keymap.c \
+ matrix.c \
+ led.c
+
+CONFIG_H = config.h
+
+
+# MCU name
+#MCU = at90usb1287
+MCU = atmega32u4
+
+# Processor frequency.
+# This will define a symbol, F_CPU, in all source code files equal to the
+# processor frequency in Hz. You can then use this symbol in your source code to
+# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
+# automatically to create a 32-bit value in your source code.
+#
+# This will be an integer division of F_USB below, as it is sourced by
+# F_USB after it has run through any CPU prescalers. Note that this value
+# does not *change* the processor frequency - it should merely be updated to
+# reflect the processor speed set externally so that the code can use accurate
+# software delays.
+F_CPU = 16000000
+
+
+#
+# LUFA specific
+#
+# Target architecture (see library "Board Types" documentation).
+ARCH = AVR8
+
+# Input clock frequency.
+# This will define a symbol, F_USB, in all source code files equal to the
+# input clock frequency (before any prescaling is performed) in Hz. This value may
+# differ from F_CPU if prescaling is used on the latter, and is required as the
+# raw input clock is fed directly to the PLL sections of the AVR for high speed
+# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
+# at the end, this will be done automatically to create a 32-bit value in your
+# source code.
+#
+# If no clock division is performed on the input clock inside the AVR (via the
+# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
+F_USB = $(F_CPU)
+
+
+# Build Options
+# comment out to disable the options.
+#
+MOUSEKEY_ENABLE = yes # Mouse keys
+EXTRAKEY_ENABLE = yes # Audio control and System control
+CONSOLE_ENABLE = yes # Console for debug
+#NKRO_ENABLE = yes # USB Nkey Rollover
+#PS2_MOUSE_ENABLE = yes # PS/2 mouse(TrackPoint) support
+
+
+# Boot Section Size in bytes
+# Teensy halfKay 512
+# Atmel DFU loader 4096
+# LUFA bootloader 4096
+#OPT_DEFS += -DBOOT_SIZE=4096
+
+
+# Search Path
+VPATH += $(TARGET_DIR)
+VPATH += $(TOP_DIR)
+
+include $(TOP_DIR)/protocol/lufa.mk
+include $(TOP_DIR)/common.mk
+include $(TOP_DIR)/rules.mk
diff --git a/keyboard/hid_libre/Makefile.pjrc b/keyboard/hid_libre/Makefile.pjrc
new file mode 100644
index 0000000000..ecc236e3d0
--- /dev/null
+++ b/keyboard/hid_libre/Makefile.pjrc
@@ -0,0 +1,95 @@
+#----------------------------------------------------------------------------
+# On command line:
+#
+# make all = Make software.
+#
+# make clean = Clean out built project files.
+#
+# make coff = Convert ELF to AVR COFF.
+#
+# make extcoff = Convert ELF to AVR Extended COFF.
+#
+# make program = Download the hex file to the device.
+# Please customize your programmer settings(PROGRAM_CMD)
+#
+# make teensy = Download the hex file to the device, using teensy_loader_cli.
+# (must have teensy_loader_cli installed).
+#
+# make dfu = Download the hex file to the device, using dfu-programmer (must
+# have dfu-programmer installed).
+#
+# make flip = Download the hex file to the device, using Atmel FLIP (must
+# have Atmel FLIP installed).
+#
+# make dfu-ee = Download the eeprom file to the device, using dfu-programmer
+# (must have dfu-programmer installed).
+#
+# make flip-ee = Download the eeprom file to the device, using Atmel FLIP
+# (must have Atmel FLIP installed).
+#
+# make debug = Start either simulavr or avarice as specified for debugging,
+# with avr-gdb or avr-insight as the front end for debugging.
+#
+# make filename.s = Just compile filename.c into the assembler code only.
+#
+# make filename.i = Create a preprocessed source file for use in submitting
+# bug reports to the GCC project.
+#
+# To rebuild project do "make clean" then "make all".
+#----------------------------------------------------------------------------
+
+# Target file name (without extension).
+TARGET = macway_pjrc
+
+# Directory common source filess exist
+TOP_DIR = ../..
+
+# Directory keyboard dependent files exist
+TARGET_DIR = .
+
+# keyboard dependent files
+SRC = keymap.c \
+ matrix.c \
+ led.c
+
+CONFIG_H = config.h
+
+
+# MCU name, you MUST set this to match the board you are using
+# type "make clean" after changing this, so all files will be rebuilt
+#MCU = at90usb162 # Teensy 1.0
+MCU = atmega32u4 # Teensy 2.0
+#MCU = at90usb646 # Teensy++ 1.0
+#MCU = at90usb1286 # Teensy++ 2.0
+
+
+# Processor frequency.
+# Normally the first thing your program should do is set the clock prescaler,
+# so your program will run at the correct speed. You should also set this
+# variable to same clock speed. The _delay_ms() macro uses this, and many
+# examples use this variable to calculate timings. Do not add a "UL" here.
+F_CPU = 16000000
+
+
+# Build Options
+# comment out to disable the options.
+#
+MOUSEKEY_ENABLE = yes # Mouse keys
+#PS2_MOUSE_ENABLE = yes # PS/2 mouse(TrackPoint) support
+EXTRAKEY_ENABLE = yes # Audio control and System control
+#NKRO_ENABLE = yes # USB Nkey Rollover
+
+
+
+#---------------- Programming Options --------------------------
+PROGRAM_CMD = teensy_loader_cli -mmcu=$(MCU) -w -v $(TARGET).hex
+
+
+
+# Search Path
+VPATH += $(TARGET_DIR)
+VPATH += $(TOP_DIR)
+
+include $(TOP_DIR)/protocol/pjrc.mk
+include $(TOP_DIR)/common.mk
+include $(TOP_DIR)/rules.mk
diff --git a/keyboard/hid_libre/config.h b/keyboard/hid_libre/config.h
new file mode 100644
index 0000000000..558a8cdd52
--- /dev/null
+++ b/keyboard/hid_libre/config.h
@@ -0,0 +1,56 @@
+/*
+Copyright 2011 Jun Wako <wakojun@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/>.
+*/
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+
+/* USB Device descriptor parameter */
+#define VENDOR_ID 0xFEED
+#define PRODUCT_ID 0xB919
+#define DEVICE_VER 0x0001
+#define MANUFACTURER t.m.k.
+#define PRODUCT HID Leberation
+
+
+/* message strings */
+#define DESCRIPTION t.m.k. keyboard firmware for HID Liberation
+
+
+/* matrix size */
+#define MATRIX_ROWS 18
+#define MATRIX_COLS 8
+
+/* define if matrix has ghost */
+//#define MATRIX_HAS_GHOST
+
+/* Set 0 if need no debouncing */
+#define DEBOUNCE 5
+
+
+/* key combination for command */
+#define IS_COMMAND() ( \
+ keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
+)
+
+// TODO: configurable
+#define DEBUG_LED 0
+#define DEBUG_LED_CONFIG
+#define DEBUG_LED_ON
+#define DEBUG_LED_OFF
+
+#endif
diff --git a/keyboard/hid_libre/keymap.c b/keyboard/hid_libre/keymap.c
new file mode 100644
index 0000000000..b77348494a
--- /dev/null
+++ b/keyboard/hid_libre/keymap.c
@@ -0,0 +1,195 @@
+/*
+Copyright 2011 Jun Wako <wakojun@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/>.
+*/
+
+/*
+ * Keymap for Macway mod
+ */
+#include <stdint.h>
+#include <stdbool.h>
+#include <avr/pgmspace.h>
+#include "keycode.h"
+#include "print.h"
+#include "debug.h"
+#include "util.h"
+#include "keymap.h"
+
+
+// Convert physical keyboard layout to matrix array.
+// This is a macro to define keymap easily in keyboard layout form.
+#define KEYMAP( \
+ K11, K10, K20, K30, K40, K41, K51, K50, K60, K70, K80, K81, K61, K02, \
+ K12, K13, K23, K33, K43, K42, K52, K53, K63, K73, K83, K82, K62, K01, \
+ K15, K14, K24, K34, K44, K45, K55, K54, K64, K74, K84, K85, K06, \
+ K67, K16, K26, K36, K46, K47, K57, K56, K66, K76, K87, K32, K35, \
+ K75, K22, K00, K07, K21, K04, K37, K27, K17 \
+) { \
+ { KC_##K00, KC_##K01, KC_##K02, KC_NO, KC_##K04, KC_NO, KC_##K06, KC_##K07 }, \
+ { KC_##K10, KC_##K11, KC_##K12, KC_##K13, KC_##K14, KC_##K15, KC_##K16, KC_##K17 }, \
+ { KC_##K20, KC_##K21, KC_##K22, KC_##K23, KC_##K24, KC_NO, KC_##K26, KC_##K27 }, \
+ { KC_##K30, KC_NO, KC_##K32, KC_##K33, KC_##K34, KC_##K35, KC_##K36, KC_##K37 }, \
+ { KC_##K40, KC_##K41, KC_##K42, KC_##K43, KC_##K44, KC_##K45, KC_##K46, KC_##K47 }, \
+ { KC_##K50, KC_##K51, KC_##K52, KC_##K53, KC_##K54, KC_##K55, KC_##K56, KC_##K57 }, \
+ { KC_##K60, KC_##K61, KC_##K62, KC_##K63, KC_##K64, KC_NO, KC_##K66, KC_##K67 }, \
+ { KC_##K70, KC_NO, KC_NO, KC_##K73, KC_##K74, KC_##K75, KC_##K76, KC_NO }, \
+ { KC_##K80, KC_##K81, KC_##K82, KC_##K83, KC_##K84, KC_##K85, KC_NO, KC_##K87 } \
+}
+
+#define KEYCODE(layer, row, col) (pgm_read_byte(&keymaps[(layer)][(row)][(col)]))
+
+
+// Assign Fn key(0-7) to a layer to which switch with the Fn key pressed.
+static const uint8_t PROGMEM fn_layer[] = {
+ 0, // Fn0
+ 1, // Fn1
+ 2, // Fn2
+ 3, // Fn3
+ 4, // Fn4
+ 0, // Fn5
+ 3, // Fn6
+ 3 // Fn7
+};
+
+// Assign Fn key(0-7) to a keycode sent when release Fn key without use of the layer.
+// See layer.c for details.
+static const uint8_t PROGMEM fn_keycode[] = {
+ KC_NO, // Fn0
+ KC_NO, // Fn1
+ KC_SLSH, // Fn2
+ KC_SCLN, // Fn3
+ KC_SPC, // Fn4
+ KC_NO, // Fn5
+ KC_NO, // Fn6
+ KC_NO // Fn7
+};
+
+static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ /* Layer 0: Default Layer
+ * ,-----------------------------------------------------------.
+ * |Esc| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|Backsp |
+ * |-----------------------------------------------------------|
+ * |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| |
+ * |-----------------------------------------------------' |
+ * |Contro| A| S| D| F| G| H| J| K| L|Fn3| '|Return |
+ * |-----------------------------------------------------------|
+ * |Shift | Z| X| C| V| B| N| M| ,| .| /|Shift |Fn1|
+ * |-----------------------------------------------------------|
+ * |Fn7|Gui |Alt |Fn4 |Alt |Gui|Fn6|Fn6|Ctr|
+ * `-----------------------------------------------------------'
+ */
+ KEYMAP(ESC, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, BSPC, \
+ TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC,BSLS, \
+ LCTL,A, S, D, F, G, H, J, K, L, FN3, QUOT,ENT, \
+ LSFT,Z, X, C, V, B, N, M, COMM,DOT, FN2, RSFT,FN1, \
+ FN7, LGUI,LALT,FN4, RALT,GRV, FN6, FN6, RCTL),
+
+
+ /* Layer 1: HHKB mode (HHKB Fn)
+ * ,-----------------------------------------------------------.
+ * |Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Delete |
+ * |-----------------------------------------------------------|
+ * |Caps | | | | | | | |Psc|Slk|Pus|Up | | |
+ * |-----------------------------------------------------' |
+ * |Contro|VoD|VoU|Mut| | | *| /|Hom|PgU|Lef|Rig|Enter |
+ * |-----------------------------------------------------------|
+ * |Shift | | | | | | +| -|End|PgD|Dow|Shift |xxx|
+ * |-----------------------------------------------------------|
+ * | |Gui |Alt | |Alt |Gui| | |Ctr|
+ * `-----------------------------------------------------------'
+ */
+ KEYMAP(PWR, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, DEL, \
+ CAPS,NO, NO, NO, NO, NO, NO, NO, PSCR,SLCK,BRK, UP, INS, NLCK,\
+ LCTL,VOLD,VOLU,MUTE,NO, NO, PAST,PSLS,HOME,PGUP,LEFT,RGHT,ENT, \
+ LSFT,NO, NO, NO, NO, NO, PPLS,PMNS,END, PGDN,DOWN,RSFT,FN1, \
+ NO, LGUI,LALT,SPC, RALT,NO, NO, NO, RCTL),
+
+
+ /* Layer 2: Vi mode (Quote/Rmeta)
+ * ,-----------------------------------------------------------.
+ * | `| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12| ` |
+ * |-----------------------------------------------------------|
+ * | \ |Hom|PgD|Up |PgU|End|Hom|PgD|PgU|End| | | | |
+ * |-----------------------------------------------------' |
+ * |Contro| |Lef|Dow|Rig| |Lef|Dow|Up |Rig| | | \ |
+ * |-----------------------------------------------------------|
+ * |Shift | | | | | |Hom|PgD|PgU|End|xxx|Shift | |
+ * |-----------------------------------------------------------|
+ * | |Gui |Alt |Space |Alt |Gui|Fn6|Fn6|Ctr|
+ * `-----------------------------------------------------------'
+ */
+ KEYMAP(GRV, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, GRV, \
+ BSLS,HOME,PGDN,UP, PGUP,END, HOME,PGDN,PGUP,END, NO, NO, NO, NO, \
+ LCTL,NO, LEFT,DOWN,RGHT,NO, LEFT,DOWN,UP, RGHT,NO, NO, BSLS, \
+ LSFT,NO, NO, NO, NO, NO, HOME,PGDN,PGUP,END, FN2, RSFT,NO, \
+ NO, LGUI,LALT,SPC, RALT,RGUI,FN6, FN6, RCTL),
+
+
+ /* Layer 3: Mouse mode (Semicolon)
+ * ,-----------------------------------------------------------.
+ * | `| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12| ` |
+ * |-----------------------------------------------------------|
+ * | \ |MwL|MwD|McU|MwU|MwR|MwL|MwD|MwU|MwR| | | | |
+ * |-----------------------------------------------------' |
+ * |Contro| |McL|McD|McR| |McL|McD|McU|McR|xxx| | \ |
+ * |-----------------------------------------------------------|
+ * |Shift | | |Mb1|Mb2|Mb3|Mb2|Mb1| | | |Shift | |
+ * |-----------------------------------------------------------|
+ * |xxx|Gui |Alt |Mb1 |Alt | | | | |
+ * `-----------------------------------------------------------'
+ * Mc: Mouse Cursor / Mb: Mouse Button / Mw: Mouse Wheel
+ */
+ KEYMAP(GRV, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, GRV, \
+ BSLS,WH_L,WH_D,MS_U,WH_U,WH_R,WH_L,WH_D,WH_U,WH_R,NO, NO, NO, NO, \
+ LCTL,NO, MS_L,MS_D,MS_R,NO, MS_L,MS_D,MS_U,MS_R,FN3, NO, BSLS, \
+ LSFT,NO, NO, BTN1,BTN2,BTN3,BTN2,BTN1,NO, NO, NO, RSFT,NO, \
+ FN7, LGUI,LALT,BTN1,RALT,NO, FN6, FN6, NO),
+
+
+ /* Layer 4: Matias half keyboard style (Space)
+ * ,-----------------------------------------------------------.
+ * |Esc| F1| F2| F3| F4| F5| F6| F7| F8| F9|F10|F11|F12|Delete |
+ * |-----------------------------------------------------------|
+ * |Backs| P| O| I| U| Y| T| R| E| W| Q|Tab|Tab| |
+ * |-----------------------------------------------------' |
+ * |Contro| ;| L| K| J| H| G| F| D| S| A|Con|Control |
+ * |-----------------------------------------------------------|
+ * |Shift | /| .| ,| M| N| B| V| C| X| Z|Shift | |
+ * |-----------------------------------------------------------|
+ * | |Gui |Alt |xxxxxxxxxxxxxxxxxxxxxx|Alt |Gui| | |Ctr|
+ * `-----------------------------------------------------------'
+ */
+ KEYMAP(MINS,0, 9, 8, 7, 6, 5, 4, 3, 2, 1, NO, NO, ESC, \
+ BSPC,P, O, I, U, Y, T, R, E, W, Q, TAB, TAB, TAB, \
+ LCTL,SCLN,L, K, J, H, G, F, D, S, A, RCTL,RCTL, \
+ LSFT,SLSH,DOT, COMM,M, N, B, V, C, X, Z, RSFT,NO, \
+ NO, LGUI,LALT,FN4, RALT,RGUI,NO, NO, RCTL),
+};
+
+
+uint8_t keymap_get_keycode(uint8_t layer, uint8_t row, uint8_t col)
+{
+ return KEYCODE(layer, row, col);
+}
+
+uint8_t keymap_fn_layer(uint8_t index)
+{
+ return pgm_read_byte(&fn_layer[index]);
+}
+
+uint8_t keymap_fn_keycode(uint8_t index)
+{
+ return pgm_read_byte(&fn_keycode[index]);
+}
diff --git a/keyboard/hid_libre/led.c b/keyboard/hid_libre/led.c
new file mode 100644
index 0000000000..1374f74c90
--- /dev/null
+++ b/keyboard/hid_libre/led.c
@@ -0,0 +1,34 @@
+/*
+Copyright 2011 Jun Wako <wakojun@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/>.
+*/
+
+#include <avr/io.h>
+#include "stdint.h"
+#include "led.h"
+
+
+void led_set(uint8_t usb_led)
+{
+ if (usb_led & (1<<USB_LED_CAPS_LOCK))
+ PORTB &= ~(1<<5);
+ else
+ PORTB |= (1<<5);
+
+ if (usb_led & (1<<USB_LED_SCROLL_LOCK))
+ PORTB &= ~(1<<6);
+ else
+ PORTB |= (1<<6);
+}
diff --git a/keyboard/hid_libre/matrix.c b/keyboard/hid_libre/matrix.c
new file mode 100644
index 0000000000..975ff9aaca
--- /dev/null
+++ b/keyboard/hid_libre/matrix.c
@@ -0,0 +1,233 @@
+/*
+Copyright 2011 Jun Wako <wakojun@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/>.
+*/
+#include <stdint.h>
+#include <stdbool.h>
+#include <avr/io.h>
+#include <util/delay.h>
+#include "print.h"
+#include "debug.h"
+#include "util.h"
+#include "matrix.h"
+
+
+#ifndef DEBOUNCE
+# define DEBOUNCE 5
+#endif
+static uint8_t debouncing = DEBOUNCE;
+
+// bit array of key state(1:on, 0:off)
+static matrix_row_t *matrix;
+static matrix_row_t *matrix_debounced;
+static matrix_row_t _matrix0[MATRIX_ROWS];
+static matrix_row_t _matrix1[MATRIX_ROWS];
+
+
+#define NROW 18
+#define NCOL 8
+#define _DDRA (uint8_t *const)&DDRA
+#define _DDRB (uint8_t *const)&DDRB
+#define _DDRC (uint8_t *const)&DDRC
+#define _DDRD (uint8_t *const)&DDRD
+#define _DDRE (uint8_t *const)&DDRE
+#define _DDRF (uint8_t *const)&DDRF
+
+#define _PINA (uint8_t *const)&PINA
+#define _PINB (uint8_t *const)&PINB
+#define _PINC (uint8_t *const)&PINC
+#define _PIND (uint8_t *const)&PIND
+#define _PINE (uint8_t *const)&PINE
+#define _PINF (uint8_t *const)&PINF
+
+#define _PORTA (uint8_t *const)&PORTA
+#define _PORTB (uint8_t *const)&PORTB
+#define _PORTC (uint8_t *const)&PORTC
+#define _PORTD (uint8_t *const)&PORTD
+#define _PORTE (uint8_t *const)&PORTE
+#define _PORTF (uint8_t *const)&PORTF
+
+#define _BIT0 0x01
+#define _BIT1 0x02
+#define _BIT2 0x04
+#define _BIT3 0x08
+#define _BIT4 0x10
+#define _BIT5 0x20
+#define _BIT6 0x40
+#define _BIT7 0x80
+
+/* Specifies the ports and pin numbers for the rows */
+static
+uint8_t *const row_ddr[NROW] = { _DDRB, _DDRB,
+ _DDRC, _DDRC,
+ _DDRD, _DDRD, _DDRD, _DDRD, _DDRD, _DDRD, _DDRD, _DDRD,
+ _DDRF, _DDRF, _DDRF, _DDRF, _DDRF, _DDRF};
+
+static
+uint8_t *const row_port[NROW] = { _PORTB, _PORTB,
+ _PORTC, _PORTC,
+ _PORTD, _PORTD, _PORTD, _PORTD, _PORTD, _PORTD, _PORTD, _PORTD,
+ _PORTF, _PORTF, _PORTF, _PORTF, _PORTF, _PORTF};
+
+static
+uint8_t *const row_pin[NROW] = { _PINB, _PINB,
+ _PINC, _PINC,
+ _PIND, _PIND, _PIND, _PIND, _PIND, _PIND, _PIND, _PIND,
+ _PINF, _PINF, _PINF, _PINF, _PINF, _PINF};
+
+static
+const uint8_t row_bit[NROW] = { _BIT4, _BIT7,
+ _BIT6, _BIT7,
+ _BIT0, _BIT1, _BIT2, _BIT3, _BIT4, _BIT5, _BIT6, _BIT7,
+ _BIT0, _BIT1, _BIT4, _BIT5, _BIT6, _BIT7};
+
+static
+const uint8_t mask = 0x0E;
+
+/* Specifies the ports and pin numbers for the columns */
+static
+const uint8_t col_bit[NCOL] = { 0x00, 0x02, 0x04, 0x06, 0x08, 0x0A, 0x0C, 0x0E};
+
+static
+inline void pull_column(int col) {
+ PORTB = col_bit[col] | (PORTB & ~mask);
+}
+
+static
+inline void release_column(int col) {
+}
+
+/* PORTB is set as input with pull-up resistors
+ PORTC,D,E,F are set to high output */
+static
+void setup_io_pins(void) {
+ uint8_t row;
+ DDRB |= 0x0E;
+ PORTB &= ~0x0E;
+ for(row = 0; row < NROW; row++) {
+ *row_ddr[row] &= ~row_bit[row];
+ *row_port[row] &= ~row_bit[row];
+ }
+}
+
+static
+void setup_leds(void) {
+ DDRB |= 0x60;
+ PORTB |= 0x60;
+}
+
+
+inline
+uint8_t matrix_rows(void)
+{
+ return MATRIX_ROWS;
+}
+
+inline
+uint8_t matrix_cols(void)
+{
+ return MATRIX_COLS;
+}
+
+void matrix_init(void)
+{
+ // initialize row and col
+ setup_io_pins();
+ setup_leds();
+
+ // initialize matrix state: all keys off
+ for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix0[i] = 0x00;
+ for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix1[i] = 0x00;
+ matrix = _matrix0;
+ matrix_debounced = _matrix1;
+}
+
+uint8_t matrix_scan(void)
+{
+ if (!debouncing) {
+ uint8_t *tmp = matrix_debounced;
+ matrix_debounced = matrix;
+ matrix = tmp;
+ }
+
+ for (uint8_t col = 0; col < NCOL; col++) { // 0-7
+ pull_column(col); // output hi on theline
+ _delay_us(1); // without this wait it won't read stable value.
+ for (uint8_t row = 0; row < NROW; row++) { // 0-17
+ bool prev_bit = matrix[row] & (1<<col);
+ bool curr_bit = *row_pin[row] & row_bit[row];
+ if (prev_bit != curr_bit) {
+ matrix[row] ^= (1<<col);
+ if (debouncing) {
+ debug("bounce!: "); debug_hex(debouncing); print("\n");
+ }
+ debouncing = DEBOUNCE;
+ }
+ }
+ release_column(col);
+ }
+
+ if (debouncing) {
+ debouncing--;
+ }
+
+ return 1;
+}
+
+bool matrix_is_modified(void)
+{
+ // NOTE: no longer used
+ return true;
+}
+
+inline
+bool matrix_has_ghost(void)
+{
+ return false;
+}
+
+inline
+bool matrix_is_on(uint8_t row, uint8_t col)
+{
+ return (matrix_debounced[row] & (1<<col));
+}
+
+inline
+matrix_row_t matrix_get_row(uint8_t row)
+{
+ return matrix_debounced[row];
+}
+
+void matrix_print(void)
+{
+ print("\nr/c 01234567\n");
+ for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+ phex(row); print(": ");
+ pbin_reverse(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++) {
+ for (uint8_t j = 0; j < MATRIX_COLS; j++) {
+ if (matrix_is_on(i, j))
+ count++;
+ }
+ }
+ return count;
+}