diff --git a/keyboard/IIgs_Standard/Makefile b/keyboard/IIgs_Standard/Makefile new file mode 100644 index 000000000..c18e9720c --- /dev/null +++ b/keyboard/IIgs_Standard/Makefile @@ -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 = IIgs_Standard + +# 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 = no # 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/IIgs_Standard/README b/keyboard/IIgs_Standard/README new file mode 100644 index 000000000..d7c3935e4 --- /dev/null +++ b/keyboard/IIgs_Standard/README @@ -0,0 +1,43 @@ +Alternative Controller for Apple IIgs/Standard(M0116) +JeffreySung(nattyman@gmail.com) + +=============================== + +Feature +------- +- Replaceable keyboard controller for Apple IIgs(A9M0330)/Standard(M0116) +- Teensy++ 2.0 required +- Some signal bypass required +- ADB keyboard doesn't use matrix for modifier keys. With virtual row for modifier keys, these keys are merged into key matrix. +- Power key couldn't be used because power key is not connected to controller. + +History +======= +- 2012.09.17 First Release + +Build +===== +0. Just Type "Make" and return. + +Hardware +======== +PJRC Teensy +----------- +0. The following ports should not be connected to board. + From top view of Teensy++, from GND and counter clock wise. + -7,26(in keyboard PCB, these pins are VDD,GND) + -30,31(in Teensy++, these pins are Ref,GND respectively) + -5,6(D2,D3 for bluetooth in future) +1. Bypass 31 pin(from board) to E4(Teensy) +2. Bypass 30 pin(from board) to F2(Teensy) +3. Refer doc directory + +To Do +===== +0. Caps Lock connect +1. Layer Change by toggling Clear Key +2. Eject Key add. (following files should be modified.) + common/usb_keycodes.h + common/keyboard.c +3. Use bluetooth +EOF diff --git a/keyboard/IIgs_Standard/config.h b/keyboard/IIgs_Standard/config.h new file mode 100644 index 000000000..e12eea7d8 --- /dev/null +++ b/keyboard/IIgs_Standard/config.h @@ -0,0 +1,68 @@ +/* +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 + +/* controller configuration */ +#include "controller_teensy.h" + + +/* USB Device descriptor parameter */ +/* for Apple +#define VENDOR_ID 0x05AC +#define PRODUCT_ID 0xBEE0 +*/ +#define VENDOR_ID 0xFEED +#define PRODUCT_ID 0xBEE0 +#define DEVICE_VER 0x0202 +#define MANUFACTURER t.m.k. +#define PRODUCT Apple Desktop Bus Keyboard + + +/* message strings */ +#define DESCRIPTION Apple M0116/A9M0660 keyboard firmware + + +/* matrix size */ +#define MATRIX_ROWS 11 // last row is virtual for modifier +#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(KB_LSHIFT) | MOD_BIT(KB_LCTRL) | MOD_BIT(KB_LALT) | MOD_BIT(KB_LGUI)) || \ + keyboard_report->mods == (MOD_BIT(KB_LSHIFT) | MOD_BIT(KB_RSHIFT)) \ +) + + +/* layer switching */ +#define LAYER_SWITCH_DELAY 100 +#define LAYER_SEND_FN_TERM 300 + + +/* mouse keys */ +#ifdef MOUSEKEY_ENABLE +# define MOUSEKEY_DELAY_TIME 192 +#endif + + +#endif diff --git a/keyboard/IIgs_Standard/doc/PIN_BYPASS.jpg b/keyboard/IIgs_Standard/doc/PIN_BYPASS.jpg new file mode 100644 index 000000000..2998f0c3f Binary files /dev/null and b/keyboard/IIgs_Standard/doc/PIN_BYPASS.jpg differ diff --git a/keyboard/IIgs_Standard/doc/Teensy++_Mod.jpg b/keyboard/IIgs_Standard/doc/Teensy++_Mod.jpg new file mode 100644 index 000000000..146c1ab93 Binary files /dev/null and b/keyboard/IIgs_Standard/doc/Teensy++_Mod.jpg differ diff --git a/keyboard/IIgs_Standard/hid_listen.mac b/keyboard/IIgs_Standard/hid_listen.mac new file mode 100755 index 000000000..8758fdf88 Binary files /dev/null and b/keyboard/IIgs_Standard/hid_listen.mac differ diff --git a/keyboard/IIgs_Standard/keymap.c b/keyboard/IIgs_Standard/keymap.c new file mode 100644 index 000000000..8efd2ee0e --- /dev/null +++ b/keyboard/IIgs_Standard/keymap.c @@ -0,0 +1,136 @@ +/* +Copyright 2012 Jeffrey Sung + +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 Apple IIgs/Standard Keyboard + */ +#include +#include +#include +#include "usb_keycodes.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( \ + R3C7, R3C6, R3C5, R3C4, R3C3, R3C2, R3C1, R8C1, R8C0, R3C0, R0C0, R0C1, R0C2, R0C3, R4C4, R4C5, R4C6, R4C7, \ + R9C7, R9C6, R9C5, R9C4, R9C3, R9C2, R9C1, R9C0, R1C0, R1C1, R1C2, R1C3, R1C4, R2C4, R2C5, R2C6, R2C3, \ + R10C0,R7C7, R7C6, R7C5, R7C4, R7C3, R7C2, R7C1, R7C0, R0C4, R1C6, R1C7, R1C5, R2C0, R2C1, R2C2, R2C7, \ + R10C1,R6C7, R6C6, R6C5, R6C4, R6C3, R6C2, R6C1, R6C0, R0C5, R0C6, R4C0, R4C1, R4C2, \ + R10C4,R10C2,R10C3,R5C4, R5C7, R5C5, R5C6, R5C0, R5C2, R0C7, R5C1, R5C3, R4C3 \ +) { \ + { R0C0, R0C1, R0C2, R0C3, R0C4, R0C5, R0C6, R0C7 }, \ + { R1C0, R1C1, R1C2, R1C3, R1C4, R1C5, R1C6, R1C7 }, \ + { R2C0, R2C1, R2C2, R2C3, R2C4, R2C5, R2C6, R2C7 }, \ + { R3C0, R3C1, R3C2, R3C3, R3C4, R3C5, R3C6, R3C7 }, \ + { R4C0, R4C1, R4C2, R4C3, R4C4, R4C5, R4C6, R4C7 }, \ + { R5C0, R5C1, R5C2, R5C3, R5C4, R5C5, R5C6, R5C7 }, \ + { R6C0, R6C1, R6C2, R6C3, R6C4, R6C5, R6C6, R6C7 }, \ + { R7C0, R7C1, R7C2, R7C3, R7C4, R7C5, R7C6, R7C7 }, \ + { R8C0, R8C1, KB_NO, KB_NO, KB_NO,KB_NO, KB_NO, KB_NO }, \ + { R9C0, R9C1, R9C2, R9C3, R9C4, R9C5, R9C6, R9C7 }, \ + { R10C0,R10C1, R10C2, R10C3, R10C4,KB_NO, KB_NO, KB_NO} \ +} + +#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[] = { + KB_NO, // Fn0 + KB_NO, // Fn1 + KB_SLSH, // Fn2 + KB_SCLN, // Fn3 + KB_SPC, // Fn4 + KB_NO, // Fn5 + KB_NO, // Fn6 + KB_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 | |FN0| = | / | * | + * |-----------------------------------------------------------| |---------------| + * |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| | | 7 | 8 | 9 | + | + * |-----------------------------------------------------' | |---------------| + * |Contro| A| S| D| F| G| H| J| K| L|Fn3| '|Return | | 4 | 5 | 6 | - | + * |-----------------------------------------------------------| |---------------| + * |Shift | Z| X| C| V| B| N| M| ,| .| / |Shift | | 1 | 2 | 3 | E | + * |-----------------------------------------------------------| |-----------| N | + * |CAPS|Alt |Gui |` |SPC |BSLS |LFT|RGT|DN|UP| | 0 | . | T | + * `-----------------------------------------------------------' |---------------' + */ + KEYMAP(KB_ESC, KB_1, KB_2, KB_3, KB_4, KB_5, KB_6, KB_7, KB_8, KB_9, KB_0, KB_MINS,KB_EQL, KB_BSPC, KB_FN1, KB_PEQL, KB_PSLS, KB_PAST, \ + KB_TAB, KB_Q, KB_W, KB_E, KB_R, KB_T, KB_Y, KB_U, KB_I, KB_O, KB_P, KB_LBRC,KB_RBRC, KB_P7, KB_P8, KB_P9, KB_PPLS, \ + KB_LCTL,KB_A, KB_S, KB_D, KB_F, KB_G, KB_H, KB_J, KB_K, KB_L, KB_SCLN, KB_QUOT,KB_ENT, KB_P4, KB_P5, KB_P6, KB_PMNS, \ + KB_LSFT,KB_Z, KB_X, KB_C, KB_V, KB_B, KB_N, KB_M, KB_COMM,KB_DOT, KB_SLSH, KB_P1, KB_P2, KB_P3, \ + KB_CAPS,KB_LALT,KB_LGUI,KB_GRV, KB_SPC, KB_BSLS,KB_LEFT,KB_RGHT,KB_DOWN,KB_UP, KB_P0, KB_PDOT, KB_PENT), + + + /* Layer 1: Tenkey use Layer + * ,-----------------------------------------------------------. ,---------------, + * |Esc| 1| 2| 3| 4| 5| 6| 7| 8| 9| 0| -| =|Backsp | |NLK| = | / | * | + * |-----------------------------------------------------------| |---------------| + * |Tab | Q| W| E| R| T| Y| U| I| O| P| [| ]| | |INS| 8 |PGU|V+ | + * |-----------------------------------------------------' | |---------------| + * |Contro| A| S| D| F| G| H| J| K| L|Fn3| '|Return | |DEL|UP |PGD|V- | + * |-----------------------------------------------------------| |---------------| + * |Shift | Z| X| C| V| B| N| M| ,| .| / |Shift | |LFT|DN |RGT| E | + * |-----------------------------------------------------------| |-----------| N | + * |CAPS|Alt |Gui |` |SPC |BSLS |LFT|RGT|DN|UP| | 0 | . | T | + * `-----------------------------------------------------------' `---------------' + */ + KEYMAP(KB_ESC, KB_1, KB_2, KB_3, KB_4, KB_5, KB_6, KB_7, KB_8, KB_9, KB_0, KB_MINS,KB_EQL, KB_BSPC, KB_FN0, KB_PEQL, KB_PSLS, KB_MUTE, \ + KB_TAB, KB_Q, KB_W, KB_E, KB_R, KB_T, KB_Y, KB_U, KB_I, KB_O, KB_P, KB_LBRC,KB_RBRC, KB_INS, KB_P8, KB_PGUP, KB_VOLU, \ + KB_LCTL,KB_A, KB_S, KB_D, KB_F, KB_G, KB_H, KB_J, KB_K, KB_L, KB_SCLN, KB_QUOT,KB_ENT, KB_DEL, KB_UP, KB_PGDN, KB_VOLD, \ + KB_LSFT,KB_Z, KB_X, KB_C, KB_V, KB_B, KB_N, KB_M, KB_COMM,KB_DOT, KB_SLSH, KB_LEFT, KB_DOWN, KB_RIGHT, \ + KB_CAPS,KB_LALT,KB_LGUI,KB_GRV, KB_SPC, KB_BSLS,KB_LEFT,KB_RGHT,KB_DOWN,KB_UP, KB_P0, KB_PDOT, KB_PENT), +}; + + +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 fn_bits) +{ + return pgm_read_byte(&fn_layer[biton(fn_bits)]); +} + +uint8_t keymap_fn_keycode(uint8_t fn_bits) +{ + return pgm_read_byte(&fn_keycode[(biton(fn_bits))]); +} diff --git a/keyboard/IIgs_Standard/led.c b/keyboard/IIgs_Standard/led.c new file mode 100644 index 000000000..f76545f0b --- /dev/null +++ b/keyboard/IIgs_Standard/led.c @@ -0,0 +1,24 @@ +/* +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 "stdint.h" +#include "led.h" + + +void led_set(uint8_t usb_led) +{ +} diff --git a/keyboard/IIgs_Standard/matrix.c b/keyboard/IIgs_Standard/matrix.c new file mode 100644 index 000000000..c44ac641c --- /dev/null +++ b/keyboard/IIgs_Standard/matrix.c @@ -0,0 +1,324 @@ +/* +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 . +*/ + +/* + * scan matrix + */ +#include +#include +#include +#include +#include "print.h" +#include "debug.h" +#include "util.h" +#include "matrix.h" + + +#if (MATRIX_COLS > 16) +# error "MATRIX_COLS must not exceed 16" +#endif +#if (MATRIX_ROWS > 255) +# error "MATRIX_ROWS must not exceed 255" +#endif + + +#ifndef DEBOUNCE +# define DEBOUNCE 0 +#endif +static uint8_t debouncing = DEBOUNCE; + +// matrix state buffer(1:on, 0:off) +#if (MATRIX_COLS <= 8) +static uint8_t *matrix; +static uint8_t *matrix_prev; +static uint8_t _matrix0[MATRIX_ROWS]; +static uint8_t _matrix1[MATRIX_ROWS]; +#else +static uint16_t *matrix; +static uint16_t *matrix_prev; +static uint16_t _matrix0[MATRIX_ROWS]; +static uint16_t _matrix1[MATRIX_ROWS]; +#endif + +#ifdef MATRIX_HAS_GHOST +static bool matrix_has_ghost_in_row(uint8_t row); +#endif +static uint8_t read_col(uint8_t row); +static void unselect_rows(void); +static void select_row(uint8_t row); + + +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 + unselect_rows(); + // Input with pull-up(DDR:0, PORT:1) + // Column C1 ~ C7 (PortC0-6) + // Column C0(Port E1) + DDRC &= ~0b01111111; + PORTC |= 0b01111111; + DDRE &= ~0b00000010; + PORTE |= 0b00000010; + // modifier B3/4,F4/5,E4 always input + DDRB |= 0b00011000; + PORTB &= 0b00011000; + DDRF |= ~0b00110000; + PORTF &= 0b00110000; + //DDRB &= ~0b00011000; + //PORTB |= 0b00011000; + //DDRF &= ~0b00110000; + //PORTF |= 0b00110000; + //DDRE &= ~0b00010000; + //PORTE |= 0b00010000; + + // 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) +{ + if (!debouncing) { + uint8_t *tmp = matrix_prev; + matrix_prev = matrix; + matrix = tmp; + } + + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + unselect_rows(); + select_row(i); + _delay_us(30); // without this wait read unstable value. + if (matrix[i] != (uint8_t)~read_col(i)) { + matrix[i] = (uint8_t)~read_col(i); + if (debouncing) { + debug("bounce!: "); debug_hex(debouncing); print("\n"); + } + debouncing = DEBOUNCE; + } + } + unselect_rows(); + + if (debouncing) { + debouncing--; + } + + return 1; +} + +bool matrix_is_modified(void) +{ + if (debouncing) return false; + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + if (matrix[i] != matrix_prev[i]) { + return true; + } + } + return false; +} + +inline +bool matrix_has_ghost(void) +{ +#ifdef MATRIX_HAS_GHOST + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + if (matrix_has_ghost_in_row(i)) + return true; + } +#endif + return false; +} + +inline +bool matrix_is_on(uint8_t row, uint8_t col) +{ + return (matrix[row] & (1<mods except E4(CAPSLOCK) + uint8_t tmp; + if ( row == 10 ) { + tmp = 0xF0; + tmp |= (PINB >> 3 ) & 0b00000011; // LEFT CTRL is 0bit in modifier (HID Spec) + // LEFT SHIFT is 1bit in modifier (HID Spec) + tmp |= (PINF >> 3 ) & 0b00000100; // LEFT ALT is 2bit in modifier (HID Spec) + tmp |= (PINF >> 1 ) & 0b00001000; // LEFT GUI is 3bit in modifier (HID Spec) + //tmp |= (PINE << 1 ) & 0b00010000; // Caps Lock(Should not be in modifier + } else { + tmp = 0x00; + tmp = (PINE >> 1)&0b00000001; + tmp |= PINC << 1 ; + } + return tmp; +} + +inline +static void unselect_rows(void) +{ + // Hi-Z(DDR:0, PORT:0) to unselect + // DDR : 1, output 0, input + DDRB &= ~0b00000011; // PB: 1,0 + PORTB &= ~0b00000011; + DDRD &= ~0b00010000; // PD: 4 + PORTD &= ~0b00010000; + DDRE &= ~0b11000000; // PE: 7,6 + PORTE &= ~0b11000000; + DDRF &= ~0b11000111; // PF: 7,6,2,1,0 + PORTF &= ~0b11000111; + // to unselect virtual row(modifier), set port to output with low + DDRB |= 0b00011000; // PB: 3,4 for modifier(row10) + PORTB &= ~0b00011000; + DDRF |= 0b00110000; // PF: 4,5 for modifier + PORTF &= ~0b00110000; +} + +inline +static void select_row(uint8_t row) +{ + // Output low(DDR:1, PORT:0) to select + // with row enable, column could send low to AVR when pressed + // row: 0 1 2 3 4 5 6 7 8 9 + // pin: PB1, PB0, PE7, PE6, PD4, PF2, PF0, PF1, PF6 PF7 + switch (row) { + case 0: + DDRB |= (1<<1); + PORTB &= ~(1<<1); + break; + case 1: + DDRB |= (1<<0); + PORTB &= ~(1<<0); + break; + case 2: + DDRE |= (1<<7); + PORTE &= ~(1<<7); + break; + case 3: + DDRE |= (1<<6); + PORTE &= ~(1<<6); + break; + case 4: + DDRD |= (1<<4); + PORTD &= ~(1<<4); + break; + case 5: + DDRF |= (1<<2); + PORTF &= ~(1<<2); + break; + case 6: + DDRF |= (1<<0); + PORTF &= ~(1<<0); + break; + case 7: + DDRF |= (1<<1); + PORTF &= ~(1<<1); + break; + case 8: + DDRF |= (1<<6); + PORTF &= ~(1<<6); + break; + case 9: + DDRF |= (1<<7); + PORTF &= ~(1<<7); + break; + case 10: + // modifier has no row enable + // to select virtual row, set port as input + DDRB &= ~0b00011000; + PORTB |= 0b00011000; + DDRF &= ~0b00110000; + PORTF |= 0b00110000; + break; + + } +}