Ralf Schmitt
10 years ago
parent
79840c678e
commit
af19f56ec9
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#----------------------------------------------------------------------------
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# On command line:
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#
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# make all = Make software.
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#
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# make clean = Clean out built project files.
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#
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# make coff = Convert ELF to AVR COFF.
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#
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# make extcoff = Convert ELF to AVR Extended COFF.
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#
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# make program = Download the hex file to the device.
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# Please customize your programmer settings(PROGRAM_CMD)
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#
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# make teensy = Download the hex file to the device, using teensy_loader_cli.
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# (must have teensy_loader_cli installed).
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#
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# make dfu = Download the hex file to the device, using dfu-programmer (must
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# have dfu-programmer installed).
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#
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# make flip = Download the hex file to the device, using Atmel FLIP (must
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# have Atmel FLIP installed).
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#
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# make dfu-ee = Download the eeprom file to the device, using dfu-programmer
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# (must have dfu-programmer installed).
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#
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# make flip-ee = Download the eeprom file to the device, using Atmel FLIP
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# (must have Atmel FLIP installed).
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#
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# make debug = Start either simulavr or avarice as specified for debugging,
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# with avr-gdb or avr-insight as the front end for debugging.
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#
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# make filename.s = Just compile filename.c into the assembler code only.
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#
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# make filename.i = Create a preprocessed source file for use in submitting
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# bug reports to the GCC project.
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#
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# To rebuild project do "make clean" then "make all".
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#----------------------------------------------------------------------------
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# Target file name (without extension).
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TARGET = lightpad_lufa
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# Directory common source filess exist
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TOP_DIR = ../..
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# Directory keyboard dependent files exist
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TARGET_DIR = .
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# List C source files here. (C dependencies are automatically generated.)
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SRC = keymap.c \
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matrix.c \
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led.c \
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backlight.c
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CONFIG_H = config.h
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# MCU name
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MCU = atmega32u4
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# Processor frequency.
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# This will define a symbol, F_CPU, in all source code files equal to the
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# processor frequency in Hz. You can then use this symbol in your source code to
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# calculate timings. Do NOT tack on a 'UL' at the end, this will be done
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# automatically to create a 32-bit value in your source code.
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#
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# This will be an integer division of F_USB below, as it is sourced by
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# F_USB after it has run through any CPU prescalers. Note that this value
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# does not *change* the processor frequency - it should merely be updated to
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# reflect the processor speed set externally so that the code can use accurate
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# software delays.
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F_CPU = 8000000
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#
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# LUFA specific
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#
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# Target architecture (see library "Board Types" documentation).
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ARCH = AVR8
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# Input clock frequency.
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# This will define a symbol, F_USB, in all source code files equal to the
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# input clock frequency (before any prescaling is performed) in Hz. This value may
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# differ from F_CPU if prescaling is used on the latter, and is required as the
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# raw input clock is fed directly to the PLL sections of the AVR for high speed
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# clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
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# at the end, this will be done automatically to create a 32-bit value in your
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# source code.
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#
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# If no clock division is performed on the input clock inside the AVR (via the
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# CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
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F_USB = $(F_CPU)
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# Build Options
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# comment out to disable the options.
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#
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BOOTMAGIC_ENABLE = yes # Virtual DIP switch configuration(+1000)
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#MOUSEKEY_ENABLE = yes # Mouse keys(+4700)
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EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
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#CONSOLE_ENABLE = yes # Console for debug(+400)
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#COMMAND_ENABLE = yes # Commands for debug and configuration
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#SLEEP_LED_ENABLE = yes # Breathing sleep LED during USB suspend
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#NKRO_ENABLE = yes # USB Nkey Rollover - not yet supported in LUFA
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BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
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# Boot Section Size in bytes
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# Teensy halfKay 512
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# Atmel DFU loader 4096
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# LUFA bootloader 4096
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OPT_DEFS += -DBOOTLOADER_SIZE=4096
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# Search Path
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VPATH += $(TARGET_DIR)
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VPATH += $(TOP_DIR)
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include $(TOP_DIR)/protocol/lufa.mk
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include $(TOP_DIR)/common.mk
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include $(TOP_DIR)/rules.mk
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Lightpad keypad firmware
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======================
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Korean custom keypad designed by Duck.
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*Note that this is not the official firmware*
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Supported models
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----------------
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All pcb options are supported.
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Build
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-----
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Move to this directory then just run `make` like:
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$ make -f Makefile.lufa
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Bootloader
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---------
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The PCB is hardwired to run the bootloader if the key at the `top left` position is held down when connecting the keyboard.
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It is still possible to use Boot Magic and Command to access the bootloader though.
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@ -0,0 +1,129 @@
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/*
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Copyright 2014 Ralf Schmitt <ralf@bunkertor.net>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <avr/io.h>
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#include "backlight.h"
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/* Backlight pin configuration
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*
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* FN1 PB0 (low)
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* FN2 PB5 (low)
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* FN3 PB4 (low)
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* FN4 PD7 (low)
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* REAR PD6 (high)
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* NUMPAD PB2 (high)
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* NUMLOCK PB1 (low)
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*/
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void backlight_init_ports() {
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DDRB |= (1<<0) | (1<<1) | (1<<2) | (1<<4) | (1<<5);
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DDRD |= (1<<6) | (1<<7);
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backlight_disable_numlock();
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}
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void backlight_set(uint8_t level) {
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(level & BACKLIGHT_FN1) ? backlight_enable_fn1() : backlight_disable_fn1();
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(level & BACKLIGHT_FN2) ? backlight_enable_fn2() : backlight_disable_fn2();
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(level & BACKLIGHT_FN3) ? backlight_enable_fn3() : backlight_disable_fn3();
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(level & BACKLIGHT_FN4) ? backlight_enable_fn4() : backlight_disable_fn4();
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(level & BACKLIGHT_NUMPAD) ? backlight_enable_numpad() : backlight_disable_numpad();
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(level & BACKLIGHT_REAR) ? backlight_enable_rear() : backlight_disable_rear();
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}
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void backlight_enable_fn1() {
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PORTB &= ~(1<<0);
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}
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void backlight_disable_fn1() {
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PORTB |= (1<<0);
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}
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void backlight_invert_fn1() {
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PORTB ^= (1<<0);
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}
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void backlight_enable_fn2() {
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PORTB &= ~(1<<5);
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}
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void backlight_disable_fn2() {
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PORTB |= (1<<5);
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}
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void backlight_invert_fn2() {
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PORTB ^= (1<<5);
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}
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void backlight_enable_fn3() {
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PORTB &= ~(1<<4);
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}
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void backlight_disable_fn3() {
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PORTB |= (1<<4);
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}
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void backlight_invert_fn3() {
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PORTB ^= (1<<4);
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}
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void backlight_enable_fn4() {
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PORTD &= ~(1<<7);
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}
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void backlight_disable_fn4() {
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PORTD |= (1<<7);
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}
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void backlight_invert_fn4() {
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PORTD ^= (1<<7);
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}
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void backlight_enable_numpad() {
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PORTB |= (1<<2);
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}
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void backlight_disable_numpad() {
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PORTB &= ~(1<<2);
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}
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void backlight_invert_numpad() {
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PORTB ^= (1<<2);
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}
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void backlight_enable_numlock() {
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PORTB &= ~(1<<1);
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}
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void backlight_disable_numlock() {
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PORTB |= (1<<1);
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}
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void backlight_invert_numlock() {
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PORTB ^= (1<<1);
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}
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void backlight_enable_rear() {
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PORTD |= (1<<6);
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}
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void backlight_disable_rear() {
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PORTD &= ~(1<<6);
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}
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void backlight_invert_rear() {
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PORTD ^= (1<<6);
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}
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@ -0,0 +1,39 @@
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enum backlight_level {
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BACKLIGHT_FN1 = 0b0000001,
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BACKLIGHT_FN2 = 0b0000010,
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BACKLIGHT_FN3 = 0b0000100,
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BACKLIGHT_FN4 = 0b0001000,
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BACKLIGHT_NUMPAD = 0b0010000,
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BACKLIGHT_REAR = 0b0100000,
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};
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void backlight_init_ports(void);
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void backlight_invert_fn1(void);
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void backlight_enable_fn1(void);
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void backlight_disable_fn1(void);
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void backlight_invert_fn2(void);
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void backlight_enable_fn2(void);
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void backlight_disable_fn2(void);
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void backlight_invert_fn3(void);
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void backlight_enable_fn3(void);
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void backlight_disable_fn3(void);
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void backlight_invert_fn4(void);
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void backlight_enable_fn4(void);
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void backlight_disable_fn4(void);
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void backlight_invert_numlock(void);
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void backlight_enable_numlock(void);
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void backlight_disable_numlock(void);
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void backlight_enable_numpad(void);
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void backlight_disable_numpad(void);
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void backlight_invert_numpad(void);
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void backlight_enable_rear(void);
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void backlight_disable_rear(void);
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void backlight_invert_rear(void);
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@ -0,0 +1,46 @@
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/*
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Copyright 2014 Ralf Schmitt <ralf@bunkertor.net>
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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/>.
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||||||
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*/
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#ifndef CONFIG_H
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#define CONFIG_H
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/* USB Device descriptor parameter */
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#define VENDOR_ID 0xFEED
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#define PRODUCT_ID 0x6050
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#define DEVICE_VER 0x0104
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#define MANUFACTURER Duck
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#define PRODUCT Lightpad
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/* message strings */
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#define DESCRIPTION t.m.k. keyboard firmware for Lightpad
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/* matrix size */
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#define MATRIX_ROWS 6
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#define MATRIX_COLS 4
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/* number of backlight levels */
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#define BACKLIGHT_LEVELS 1
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/* Set 0 if need no debouncing */
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#define DEBOUNCE 5
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/* key combination for command */
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#define IS_COMMAND() ( \
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keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
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)
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#endif
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@ -0,0 +1,73 @@
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/*
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Copyright 2014 Ralf Schmitt <ralf@bunkertor.net>
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|
|
||||||
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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/>.
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||||||
|
*/
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#include <stdint.h>
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#include <stdbool.h>
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#include <avr/pgmspace.h>
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#include "keycode.h"
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#include "action.h"
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#include "action_macro.h"
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#include "report.h"
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#include "host.h"
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#include "debug.h"
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#include "keymap.h"
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/* Map physical keyboard layout to matrix array */
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#define KEYMAP( \
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K5A, K5B, K5C, K5D, \
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K4A, K4B, K4C, K4D, \
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K3A, K3B, K3C, K3D, \
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K2A, K2B, K2C, \
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K1A, K1B, K1C, K1D, \
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K0A, K0B, K0C \
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) { \
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/* 0 1 2 3 */ \
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|
/* 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;
|
||||||
|
}
|
||||||
@ -0,0 +1,29 @@
|
|||||||
|
#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()
|
||||||
|
};
|
||||||
@ -0,0 +1,24 @@
|
|||||||
|
/*
|
||||||
|
Copyright 2014 Ralf Schmitt <ralf@bunkertor.net>
|
||||||
|
|
||||||
|
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();
|
||||||
|
}
|
||||||
@ -0,0 +1,205 @@
|
|||||||
|
/*
|
||||||
|
Copyright 2014 Ralf Schmitt <ralf@bunkertor.net>
|
||||||
|
|
||||||
|
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;
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in new issue