Apple IIgs/Standard Keyboard
9 files changed, 690 insertions(+), 0 deletions(-) A keyboard/IIgs_Standard/Makefile A keyboard/IIgs_Standard/README A keyboard/IIgs_Standard/config.h A keyboard/IIgs_Standard/doc/PIN_BYPASS.jpg A keyboard/IIgs_Standard/doc/Teensy++_Mod.jpg A keyboard/IIgs_Standard/hid_listen.mac A keyboard/IIgs_Standard/keymap.c A keyboard/IIgs_Standard/led.c A keyboard/IIgs_Standard/matrix.c
A keyboard/IIgs_Standard/Makefile => keyboard/IIgs_Standard/Makefile +95 -0
@@ 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
A keyboard/IIgs_Standard/README => keyboard/IIgs_Standard/README +43 -0
@@ 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
A keyboard/IIgs_Standard/config.h => keyboard/IIgs_Standard/config.h +68 -0
@@ 0,0 1,68 @@ /* 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 /* 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
A keyboard/IIgs_Standard/doc/PIN_BYPASS.jpg => keyboard/IIgs_Standard/doc/PIN_BYPASS.jpg +0 -0
A keyboard/IIgs_Standard/doc/Teensy++_Mod.jpg => keyboard/IIgs_Standard/doc/Teensy++_Mod.jpg +0 -0
A keyboard/IIgs_Standard/hid_listen.mac => keyboard/IIgs_Standard/hid_listen.mac +0 -0
A keyboard/IIgs_Standard/keymap.c => keyboard/IIgs_Standard/keymap.c +136 -0
@@ 0,0 1,136 @@ /* Copyright 2012 Jeffrey Sung <nattyman@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 Apple IIgs/Standard Keyboard */ #include <stdint.h> #include <stdbool.h> #include <avr/pgmspace.h> #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))]); }
A keyboard/IIgs_Standard/led.c => keyboard/IIgs_Standard/led.c +24 -0
@@ 0,0 1,24 @@ /* 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 "led.h" void led_set(uint8_t usb_led) { }
A keyboard/IIgs_Standard/matrix.c => keyboard/IIgs_Standard/matrix.c +324 -0
@@ 0,0 1,324 @@ /* 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 <avr/io.h> #include <util/delay.h> #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<<col)); } inline #if (MATRIX_COLS <= 8) uint8_t matrix_get_row(uint8_t row) #else uint16_t matrix_get_row(uint8_t row) #endif { return matrix[row]; } void matrix_print(void) { print("\nr/c 01234567\n"); for (uint8_t row = 0; row < matrix_rows(); row++) { phex(row); print(": "); #if (MATRIX_COLS <= 8) pbin_reverse(matrix_get_row(row)); #else pbin_reverse16(matrix_get_row(row)); #endif #ifdef MATRIX_HAS_GHOST if (matrix_has_ghost_in_row(row)) { print(" <ghost"); } #endif print("\n"); } } uint8_t matrix_key_count(void) { uint8_t count = 0; for (uint8_t i = 0; i < MATRIX_ROWS; i++) { #if (MATRIX_COLS <= 8) count += bitpop(matrix[i]); #else count += bitpop16(matrix[i]); #endif } return count; } #ifdef MATRIX_HAS_GHOST inline static bool matrix_has_ghost_in_row(uint8_t row) { // no ghost exists in case less than 2 keys on if (((matrix[row] - 1) & matrix[row]) == 0) return false; // ghost exists in case same state as other row for (uint8_t i=0; i < MATRIX_ROWS; i++) { if (i != row && (matrix[i] & matrix[row]) == matrix[row]) return true; } return false; } #endif inline static uint8_t read_col(uint8_t row) { // For normal : Column C1 ~ C7 (PortC0-6), C0(Port E1) // For modifier : B3(CNTRL)/4(SHIFT),F4(CMD/GUI)/5(OPTION,ALT) // Modifier would be copied to report->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; } }
