From c5057c28b1cda75fd80b80bbf2f31e24af99eac0 Mon Sep 17 00:00:00 2001 From: tmk Date: Sat, 10 Nov 2012 13:46:22 +0900 Subject: [PATCH] Add initial files for hid_libre. --- keyboard/hid_libre/Makefile.lufa | 120 ++++++++++++++++ keyboard/hid_libre/Makefile.pjrc | 95 +++++++++++++ keyboard/hid_libre/config.h | 56 ++++++++ keyboard/hid_libre/keymap.c | 195 ++++++++++++++++++++++++++ keyboard/hid_libre/led.c | 34 +++++ keyboard/hid_libre/matrix.c | 233 +++++++++++++++++++++++++++++++ 6 files changed, 733 insertions(+) create mode 100644 keyboard/hid_libre/Makefile.lufa create mode 100644 keyboard/hid_libre/Makefile.pjrc create mode 100644 keyboard/hid_libre/config.h create mode 100644 keyboard/hid_libre/keymap.c create mode 100644 keyboard/hid_libre/led.c create mode 100644 keyboard/hid_libre/matrix.c 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 + +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 . +*/ + +#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 + +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 . +*/ + +/* + * Keymap for Macway mod + */ +#include +#include +#include +#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 + +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 . +*/ + +#include +#include "stdint.h" +#include "led.h" + + +void led_set(uint8_t usb_led) +{ + if (usb_led & (1< + +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 . +*/ +#include +#include +#include +#include +#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<