#---------------------------------------------------------------------------- | |||||
# 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 = lightpad_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 \ | |||||
backlight.c | |||||
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 = 8000000 | |||||
# | |||||
# 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. | |||||
# | |||||
BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000) | |||||
#MOUSEKEY_ENABLE = yes # Mouse keys(+4700) | |||||
EXTRAKEY_ENABLE = yes # Audio control and System control(+450) | |||||
#CONSOLE_ENABLE = yes # Console for debug(+400) | |||||
#COMMAND_ENABLE = yes # Commands for debug and configuration | |||||
#SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend | |||||
#NKRO_ENABLE = yes # USB Nkey Rollover - not yet supported in LUFA | |||||
BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality | |||||
# Boot Section Size in bytes | |||||
# Teensy halfKay 512 | |||||
# Atmel DFU loader 4096 | |||||
# LUFA bootloader 4096 | |||||
OPT_DEFS += -DBOOTLOADER_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 |
Lightpad keypad firmware | |||||
====================== | |||||
Korean custom keypad designed by Duck. | |||||
*Note that this is not the official firmware* | |||||
Supported models | |||||
---------------- | |||||
All pcb options are supported. | |||||
Build | |||||
----- | |||||
Move to this directory then just run `make` like: | |||||
$ make -f Makefile.lufa | |||||
Bootloader | |||||
--------- | |||||
The PCB is hardwired to run the bootloader if the key at the `top left` position is held down when connecting the keyboard. | |||||
It is still possible to use Boot Magic and Command to access the bootloader though. |
/* | |||||
Copyright 2014 Ralf Schmitt <[email protected]> | |||||
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 "backlight.h" | |||||
/* Backlight pin configuration | |||||
* | |||||
* FN1 PB0 (low) | |||||
* FN2 PB5 (low) | |||||
* FN3 PB4 (low) | |||||
* FN4 PD7 (low) | |||||
* REAR PD6 (high) | |||||
* NUMPAD PB2 (high) | |||||
* NUMLOCK PB1 (low) | |||||
*/ | |||||
void backlight_init_ports() { | |||||
DDRB |= (1<<0) | (1<<1) | (1<<2) | (1<<4) | (1<<5); | |||||
DDRD |= (1<<6) | (1<<7); | |||||
backlight_disable_numlock(); | |||||
} | |||||
void backlight_set(uint8_t level) { | |||||
(level & BACKLIGHT_FN1) ? backlight_enable_fn1() : backlight_disable_fn1(); | |||||
(level & BACKLIGHT_FN2) ? backlight_enable_fn2() : backlight_disable_fn2(); | |||||
(level & BACKLIGHT_FN3) ? backlight_enable_fn3() : backlight_disable_fn3(); | |||||
(level & BACKLIGHT_FN4) ? backlight_enable_fn4() : backlight_disable_fn4(); | |||||
(level & BACKLIGHT_NUMPAD) ? backlight_enable_numpad() : backlight_disable_numpad(); | |||||
(level & BACKLIGHT_REAR) ? backlight_enable_rear() : backlight_disable_rear(); | |||||
} | |||||
void backlight_enable_fn1() { | |||||
PORTB &= ~(1<<0); | |||||
} | |||||
void backlight_disable_fn1() { | |||||
PORTB |= (1<<0); | |||||
} | |||||
void backlight_invert_fn1() { | |||||
PORTB ^= (1<<0); | |||||
} | |||||
void backlight_enable_fn2() { | |||||
PORTB &= ~(1<<5); | |||||
} | |||||
void backlight_disable_fn2() { | |||||
PORTB |= (1<<5); | |||||
} | |||||
void backlight_invert_fn2() { | |||||
PORTB ^= (1<<5); | |||||
} | |||||
void backlight_enable_fn3() { | |||||
PORTB &= ~(1<<4); | |||||
} | |||||
void backlight_disable_fn3() { | |||||
PORTB |= (1<<4); | |||||
} | |||||
void backlight_invert_fn3() { | |||||
PORTB ^= (1<<4); | |||||
} | |||||
void backlight_enable_fn4() { | |||||
PORTD &= ~(1<<7); | |||||
} | |||||
void backlight_disable_fn4() { | |||||
PORTD |= (1<<7); | |||||
} | |||||
void backlight_invert_fn4() { | |||||
PORTD ^= (1<<7); | |||||
} | |||||
void backlight_enable_numpad() { | |||||
PORTB |= (1<<2); | |||||
} | |||||
void backlight_disable_numpad() { | |||||
PORTB &= ~(1<<2); | |||||
} | |||||
void backlight_invert_numpad() { | |||||
PORTB ^= (1<<2); | |||||
} | |||||
void backlight_enable_numlock() { | |||||
PORTB &= ~(1<<1); | |||||
} | |||||
void backlight_disable_numlock() { | |||||
PORTB |= (1<<1); | |||||
} | |||||
void backlight_invert_numlock() { | |||||
PORTB ^= (1<<1); | |||||
} | |||||
void backlight_enable_rear() { | |||||
PORTD |= (1<<6); | |||||
} | |||||
void backlight_disable_rear() { | |||||
PORTD &= ~(1<<6); | |||||
} | |||||
void backlight_invert_rear() { | |||||
PORTD ^= (1<<6); | |||||
} |
enum backlight_level { | |||||
BACKLIGHT_FN1 = 0b0000001, | |||||
BACKLIGHT_FN2 = 0b0000010, | |||||
BACKLIGHT_FN3 = 0b0000100, | |||||
BACKLIGHT_FN4 = 0b0001000, | |||||
BACKLIGHT_NUMPAD = 0b0010000, | |||||
BACKLIGHT_REAR = 0b0100000, | |||||
}; | |||||
void backlight_init_ports(void); | |||||
void backlight_invert_fn1(void); | |||||
void backlight_enable_fn1(void); | |||||
void backlight_disable_fn1(void); | |||||
void backlight_invert_fn2(void); | |||||
void backlight_enable_fn2(void); | |||||
void backlight_disable_fn2(void); | |||||
void backlight_invert_fn3(void); | |||||
void backlight_enable_fn3(void); | |||||
void backlight_disable_fn3(void); | |||||
void backlight_invert_fn4(void); | |||||
void backlight_enable_fn4(void); | |||||
void backlight_disable_fn4(void); | |||||
void backlight_invert_numlock(void); | |||||
void backlight_enable_numlock(void); | |||||
void backlight_disable_numlock(void); | |||||
void backlight_enable_numpad(void); | |||||
void backlight_disable_numpad(void); | |||||
void backlight_invert_numpad(void); | |||||
void backlight_enable_rear(void); | |||||
void backlight_disable_rear(void); | |||||
void backlight_invert_rear(void); |
/* | |||||
Copyright 2014 Ralf Schmitt <[email protected]> | |||||
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 0x6050 | |||||
#define DEVICE_VER 0x0104 | |||||
#define MANUFACTURER Duck | |||||
#define PRODUCT Lightpad | |||||
/* message strings */ | |||||
#define DESCRIPTION t.m.k. keyboard firmware for Lightpad | |||||
/* matrix size */ | |||||
#define MATRIX_ROWS 6 | |||||
#define MATRIX_COLS 4 | |||||
/* number of backlight levels */ | |||||
#define BACKLIGHT_LEVELS 1 | |||||
/* 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)) \ | |||||
) | |||||
#endif |
/* | |||||
Copyright 2014 Ralf Schmitt <[email protected]> | |||||
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/pgmspace.h> | |||||
#include "keycode.h" | |||||
#include "action.h" | |||||
#include "action_macro.h" | |||||
#include "report.h" | |||||
#include "host.h" | |||||
#include "debug.h" | |||||
#include "keymap.h" | |||||
/* Map physical keyboard layout to matrix array */ | |||||
#define KEYMAP( \ | |||||
K5A, K5B, K5C, K5D, \ | |||||
K4A, K4B, K4C, K4D, \ | |||||
K3A, K3B, K3C, K3D, \ | |||||
K2A, K2B, K2C, \ | |||||
K1A, K1B, K1C, K1D, \ | |||||
K0A, K0B, K0C \ | |||||
) { \ | |||||
/* 0 1 2 3 */ \ | |||||
/* 5 */ { KC_##K5A, KC_##K5B, KC_##K5C, KC_##K5D}, \ | |||||
/* 4 */ { KC_##K4A, KC_##K4B, KC_##K4C, KC_##K4D}, \ | |||||
/* 3 */ { KC_##K3A, KC_##K3B, KC_##K3C, KC_##K3D}, \ | |||||
/* 2 */ { KC_##K2A, KC_##K2B, KC_##K2C, KC_NO}, \ | |||||
/* 1 */ { KC_##K1A, KC_##K1B, KC_##K1C, KC_##K1D}, \ | |||||
/* 0 */ { KC_##K0A, KC_##K0B, KC_##K0C, KC_NO, } \ | |||||
} | |||||
#include "keymap_lightpad.h" | |||||
#define KEYMAPS_SIZE (sizeof(keymaps) / sizeof(keymaps[0])) | |||||
#define FN_ACTIONS_SIZE (sizeof(fn_actions) / sizeof(fn_actions[0])) | |||||
/* translates key to keycode */ | |||||
uint8_t keymap_key_to_keycode(uint8_t layer, key_t key) | |||||
{ | |||||
if (layer < KEYMAPS_SIZE) { | |||||
return pgm_read_byte(&keymaps[(layer)][(key.row)][(key.col)]); | |||||
} else { | |||||
// fall back to layer 0 | |||||
return pgm_read_byte(&keymaps[0][(key.row)][(key.col)]); | |||||
} | |||||
} | |||||
/* translates Fn keycode to action */ | |||||
action_t keymap_fn_to_action(uint8_t keycode) | |||||
{ | |||||
action_t action; | |||||
if (FN_INDEX(keycode) < FN_ACTIONS_SIZE) { | |||||
action.code = pgm_read_word(&fn_actions[FN_INDEX(keycode)]); | |||||
} else { | |||||
action.code = ACTION_NO; | |||||
} | |||||
return action; | |||||
} |
#include "backlight.h" | |||||
static const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { | |||||
KEYMAP(\ | |||||
FN0, F1, DEL, BSPC, \ | |||||
NLCK,PSLS,PAST,PMNS, \ | |||||
P7, P8, P9, PPLS, \ | |||||
P4, P5, P6, \ | |||||
P1, P2, P3, PENT, \ | |||||
P0, NO, PDOT), \ | |||||
KEYMAP(\ | |||||
TRNS,PGDN,PGUP,MUTE, \ | |||||
MSEL,MPRV,MNXT,VOLD, \ | |||||
P7, P8, P9, VOLU, \ | |||||
FN4, FN5, FN6, \ | |||||
FN1, FN2, FN3, MPLY, \ | |||||
FN7, NO, MSTP) | |||||
}; | |||||
static const uint16_t PROGMEM fn_actions[] = { | |||||
[0] = ACTION_LAYER_MOMENTARY(1), | |||||
[1] = ACTION_BACKLIGHT_LEVEL(BACKLIGHT_FN1), | |||||
[2] = ACTION_BACKLIGHT_LEVEL(BACKLIGHT_FN2), | |||||
[3] = ACTION_BACKLIGHT_LEVEL(BACKLIGHT_FN3), | |||||
[4] = ACTION_BACKLIGHT_LEVEL(BACKLIGHT_FN4), | |||||
[5] = ACTION_BACKLIGHT_LEVEL(BACKLIGHT_NUMPAD), | |||||
[6] = ACTION_BACKLIGHT_LEVEL(BACKLIGHT_REAR), | |||||
[7] = ACTION_BACKLIGHT_TOGGLE() | |||||
}; |
/* | |||||
Copyright 2014 Ralf Schmitt <[email protected]> | |||||
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) { | |||||
(usb_led & (1<<USB_LED_NUM_LOCK)) ? backlight_enable_numlock() : backlight_disable_numlock(); | |||||
} |
/* | |||||
Copyright 2014 Ralf Schmitt <[email protected]> | |||||
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" | |||||
#include "eeconfig.h" | |||||
#include "action_layer.h" | |||||
#include "backlight.h" | |||||
#ifndef DEBOUNCE | |||||
# define DEBOUNCE 0 | |||||
#endif | |||||
static uint8_t debouncing = DEBOUNCE; | |||||
static matrix_row_t matrix[MATRIX_ROWS]; | |||||
static matrix_row_t matrix_debouncing[MATRIX_ROWS]; | |||||
static uint8_t read_rows(void); | |||||
static uint8_t read_fwkey(void); | |||||
static void init_rows(void); | |||||
static void unselect_cols(void); | |||||
static void select_col(uint8_t col); | |||||
inline | |||||
uint8_t matrix_rows(void) | |||||
{ | |||||
return MATRIX_ROWS; | |||||
} | |||||
inline | |||||
uint8_t matrix_cols(void) | |||||
{ | |||||
return MATRIX_COLS; | |||||
} | |||||
void misc_init(void) { | |||||
} | |||||
void matrix_init(void) | |||||
{ | |||||
backlight_init_ports(); | |||||
unselect_cols(); | |||||
init_rows(); | |||||
for (uint8_t i=0; i < MATRIX_ROWS; i++) { | |||||
matrix[i] = 0; | |||||
matrix_debouncing[i] = 0; | |||||
} | |||||
} | |||||
uint8_t matrix_scan(void) | |||||
{ | |||||
for (uint8_t col = 0; col < MATRIX_COLS; col++) { | |||||
select_col(col); | |||||
_delay_us(3); | |||||
uint8_t rows = read_rows(); | |||||
// Use the otherwise unused col: 0 row: 0 for firmware key | |||||
if(col == 0) { | |||||
rows |= read_fwkey(); | |||||
} | |||||
for (uint8_t row = 0; row < MATRIX_ROWS; row++) { | |||||
bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col); | |||||
bool curr_bit = rows & (1<<row); | |||||
if (prev_bit != curr_bit) { | |||||
matrix_debouncing[row] ^= ((matrix_row_t)1<<col); | |||||
if (debouncing) { | |||||
dprint("bounce!: "); dprintf("%02X", debouncing); dprintln(); | |||||
} | |||||
debouncing = DEBOUNCE; | |||||
} | |||||
} | |||||
unselect_cols(); | |||||
} | |||||
if (debouncing) { | |||||
if (--debouncing) { | |||||
_delay_ms(1); | |||||
} else { | |||||
for (uint8_t i = 0; i < MATRIX_ROWS; i++) { | |||||
matrix[i] = matrix_debouncing[i]; | |||||
} | |||||
} | |||||
} | |||||
return 1; | |||||
} | |||||
bool matrix_is_modified(void) | |||||
{ | |||||
if (debouncing) return false; | |||||
return true; | |||||
} | |||||
inline | |||||
bool matrix_is_on(uint8_t row, uint8_t col) | |||||
{ | |||||
return (matrix[row] & ((matrix_row_t)1<<col)); | |||||
} | |||||
inline | |||||
matrix_row_t matrix_get_row(uint8_t row) | |||||
{ | |||||
return matrix[row]; | |||||
} | |||||
void matrix_print(void) | |||||
{ | |||||
print("\nr/c 0123456789ABCDEF\n"); | |||||
for (uint8_t row = 0; row < MATRIX_ROWS; row++) { | |||||
xprintf("%02X: %032lb\n", row, bitrev32(matrix_get_row(row))); | |||||
} | |||||
} | |||||
uint8_t matrix_key_count(void) | |||||
{ | |||||
uint8_t count = 0; | |||||
for (uint8_t i = 0; i < MATRIX_ROWS; i++) { | |||||
count += bitpop32(matrix[i]); | |||||
} | |||||
return count; | |||||
} | |||||
/* Row configuration | |||||
* | |||||
* row: 0 1 2 3 4 5 | |||||
* pin: PD0 PD1 PD2 PD3 PD5 PB7 | |||||
* | |||||
* Firmware uses pin PE2 | |||||
*/ | |||||
static void init_rows(void) | |||||
{ | |||||
DDRD &= ~0b00101111; | |||||
PORTD |= 0b00101111; | |||||
DDRB &= ~0b10000000; | |||||
PORTB |= 0b10000000; | |||||
DDRE &= ~0b00000100; | |||||
PORTE |= 0b00000100; | |||||
} | |||||
static uint8_t read_rows(void) | |||||
{ | |||||
return (PIND&(1<<0) ? (1<<0) : 0) | | |||||
(PIND&(1<<1) ? (1<<1) : 0) | | |||||
(PIND&(1<<2) ? (1<<2) : 0) | | |||||
(PIND&(1<<3) ? (1<<3) : 0) | | |||||
(PIND&(1<<5) ? (1<<4) : 0) | | |||||
(PINB&(1<<7) ? (1<<5) : 0); | |||||
} | |||||
static uint8_t read_fwkey(void) | |||||
{ | |||||
return PINE&(1<<2) ? 0 : (1<<0); | |||||
} | |||||
/* Column configuration | |||||
* | |||||
* col: 0 1 2 3 | |||||
* pin: PF0 PF1 PC7 PC6 | |||||
*/ | |||||
static void unselect_cols(void) | |||||
{ | |||||
DDRF |= 0b00000011; | |||||
PORTF &= ~0b00000011; | |||||
DDRC |= 0b11000000; | |||||
PORTC &= ~0b11000000; | |||||
} | |||||
static void select_col(uint8_t col) | |||||
{ | |||||
switch (col) { | |||||
case 0: | |||||
PORTF |= (1<<0); | |||||
break; | |||||
case 1: | |||||
PORTF |= (1<<1); | |||||
break; | |||||
case 2: | |||||
PORTC |= (1<<7); | |||||
break; | |||||
case 3: | |||||
PORTC |= (1<<6); | |||||
break; | |||||
} | |||||
} |