--- /dev/null
+# Target name
+TARGET ?= fc660c
+
+# Location of tmk_core
+TMK_DIR ?= ../../tmk_core
+
+# Location of target dependent files exist
+TARGET_DIR ?= .
+
+
+# List C source files
+SRC ?= matrix.c \
+ led.c
+
+# Configure file
+CONFIG_H ?= config.h
+
+
+# MCU name
+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 ?= $(F_CPU)
+
+# Interrupt driven control endpoint task
+OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
+
+
+# Boot Section Size in *bytes*
+# Teensy halfKay 512
+# Teensy++ halfKay 1024
+# Atmel DFU loader 4096 (TMK Alt Controller)
+# LUFA bootloader 4096
+# USBaspLoader 2048
+OPT_DEFS += -DBOOTLOADER_SIZE=4096
+
+
+# Build Options
+# comment out to disable the options.
+#
+#BOOTMAGIC_ENABLE ?= yes # Virtual DIP switch configuration
+MOUSEKEY_ENABLE ?= yes # Mouse keys
+EXTRAKEY_ENABLE ?= yes # Audio control and System control
+CONSOLE_ENABLE ?= yes # Console for debug
+COMMAND_ENABLE ?= yes # Commands for debug and configuration
+NKRO_ENABLE ?= yes # USB Nkey Rollover
+#HHKB_JP ?= yes # HHKB JP support
+#UNIMAP_ENABLE ?= yes # Universal keymap
+#ACTIONMAP_ENABLE ?= yes # Use 16bit actionmap instead of 8bit keymap
+#KEYMAP_SECTION_ENABLE ?= yes # fixed address keymap for keymap editor
+
+#OPT_DEFS += -DNO_ACTION_TAPPING
+#OPT_DEFS += -DNO_ACTION_LAYER
+#OPT_DEFS += -DNO_ACTION_MACRO
+
+
+#
+# Keymap file
+#
+ifeq (yes,$(strip $(UNIMAP_ENABLE)))
+ KEYMAP_FILE = unimap
+else
+ ifeq (yes,$(strip $(ACTIONMAP_ENABLE)))
+ KEYMAP_FILE = actionmap
+ else
+ KEYMAP_FILE = keymap
+ endif
+endif
+ifdef KEYMAP
+ SRC := $(KEYMAP_FILE)_$(KEYMAP).c $(SRC)
+else
+ SRC := $(KEYMAP_FILE).c $(SRC)
+endif
+
+
+# Search Path
+VPATH += $(TARGET_DIR)
+VPATH += $(TMK_DIR)
+
+ifeq (yes,$(strip $(RN42_ENABLE)))
+include rn42.mk
+include $(TMK_DIR)/protocol.mk
+endif
+include $(TMK_DIR)/protocol/lufa.mk
+include $(TMK_DIR)/common.mk
+include $(TMK_DIR)/rules.mk
--- /dev/null
+/*
+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/>.
+*/
+
+/*
+ * scan matrix
+ */
+#include <stdint.h>
+#include <stdbool.h>
+#include <util/delay.h>
+#include "print.h"
+#include "debug.h"
+#include "util.h"
+#include "timer.h"
+#include "matrix.h"
+#include "hhkb_avr.h"
+#include <avr/wdt.h>
+#include "suspend.h"
+#include "lufa.h"
+
+
+// matrix power saving
+#define MATRIX_POWER_SAVE 10000
+static uint32_t matrix_last_modified = 0;
+
+// matrix state buffer(1:on, 0:off)
+static matrix_row_t *matrix;
+static matrix_row_t *matrix_prev;
+static matrix_row_t _matrix0[MATRIX_ROWS];
+static matrix_row_t _matrix1[MATRIX_ROWS];
+
+
+void matrix_init(void)
+{
+#ifdef DEBUG
+ debug_enable = true;
+ debug_keyboard = true;
+#endif
+
+ KEY_INIT();
+
+ // 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_prev = _matrix1;
+}
+
+uint8_t matrix_scan(void)
+{
+ uint8_t *tmp;
+
+ tmp = matrix_prev;
+ matrix_prev = matrix;
+ matrix = tmp;
+
+ // power on
+ if (!KEY_POWER_STATE()) KEY_POWER_ON();
+ for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+ for (uint8_t col = 0; col < MATRIX_COLS; col++) {
+ KEY_SELECT(row, col);
+ _delay_us(5);
+
+ // Not sure this is needed. This just emulates HHKB controller's behaviour.
+ if (matrix_prev[row] & (1<<col)) {
+ KEY_PREV_ON();
+ }
+ _delay_us(10);
+
+ // NOTE: KEY_STATE is valid only in 20us after KEY_ENABLE.
+ // If V-USB interrupts in this section we could lose 40us or so
+ // and would read invalid value from KEY_STATE.
+ uint8_t last = TIMER_RAW;
+
+ KEY_ENABLE();
+
+ // Wait for KEY_STATE outputs its value.
+ // 1us was ok on one HHKB, but not worked on another.
+ // no wait doesn't work on Teensy++ with pro(1us works)
+ // no wait does work on tmk PCB(8MHz) with pro2
+ // 1us wait does work on both of above
+ // 1us wait doesn't work on tmk(16MHz)
+ // 5us wait does work on tmk(16MHz)
+ // 5us wait does work on tmk(16MHz/2)
+ // 5us wait does work on tmk(8MHz)
+ // 10us wait does work on Teensy++ with pro
+ // 10us wait does work on 328p+iwrap with pro
+ // 10us wait doesn't work on tmk PCB(8MHz) with pro2(very lagged scan)
+ _delay_us(5);
+
+ if (KEY_STATE()) {
+ matrix[row] &= ~(1<<col);
+ } else {
+ matrix[row] |= (1<<col);
+ }
+
+ // Ignore if this code region execution time elapses more than 20us.
+ // MEMO: 20[us] * (TIMER_RAW_FREQ / 1000000)[count per us]
+ // MEMO: then change above using this rule: a/(b/c) = a*1/(b/c) = a*(c/b)
+ if (TIMER_DIFF_RAW(TIMER_RAW, last) > 20/(1000000/TIMER_RAW_FREQ)) {
+ matrix[row] = matrix_prev[row];
+ }
+
+ _delay_us(5);
+ KEY_PREV_OFF();
+ KEY_UNABLE();
+
+ // NOTE: KEY_STATE keep its state in 20us after KEY_ENABLE.
+ // This takes 25us or more to make sure KEY_STATE returns to idle state.
+#ifdef HHKB_JP
+ // Looks like JP needs faster scan due to its twice larger matrix
+ // or it can drop keys in fast key typing
+ _delay_us(30);
+#else
+ _delay_us(75);
+#endif
+ }
+ if (matrix[row] ^ matrix_prev[row]) matrix_last_modified = timer_read32();
+ }
+ // power off
+ if (KEY_POWER_STATE() &&
+ (USB_DeviceState == DEVICE_STATE_Suspended ||
+ USB_DeviceState == DEVICE_STATE_Unattached ) &&
+ timer_elapsed32(matrix_last_modified) > MATRIX_POWER_SAVE) {
+ KEY_POWER_OFF();
+ suspend_power_down();
+ }
+ return 1;
+}
+
+inline
+matrix_row_t matrix_get_row(uint8_t row)
+{
+ return matrix[row];
+}
+
+void matrix_power_up(void) {
+ KEY_POWER_ON();
+}
+void matrix_power_down(void) {
+ KEY_POWER_OFF();
+}