Upload files to 'atmega32/108'
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148
atmega32/108/Makefile
Normal file
148
atmega32/108/Makefile
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# Target file name (without extension).
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TARGET ?= 108
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# Directory common source filess exist
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TMK_DIR ?= ../../tmk_core
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# Directory keyboard dependent files exist
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TARGET_DIR ?= .
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# project specific files
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SRC ?= keymap_108.c \
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matrix.c \
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led.c
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CONFIG_H ?= config.h
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# MCU name
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MCU ?= atmega32
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# Defines needed to use correct registers for the atmega32
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OPT_DEFS += -DNO_CLKPR -DTIMER0_COMP -DTIMER_PRESCALER=1024
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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 ?= 16000000
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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 ?= $(F_CPU)
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# Interrupt driven control endpoint task(+60)
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OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
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# Boot Section Size in *bytes*
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# Teensy halfKay 512
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# Teensy++ halfKay 1024
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# Atmel DFU loader 4096
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# LUFA bootloader 4096
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# USBaspLoader 2048
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BOOTLOADER_SIZE ?= 2048
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OPT_DEFS += -DBOOTLOADER_SIZE=$(BOOTLOADER_SIZE)
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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 ?= no # Console for debug disabled, disables also UART RX
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COMMAND_ENABLE ?= yes # Commands for debug and configuration
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SLEEP_LED_ENABLE ?= no # Breathing sleep LED during USB suspend
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NKRO_ENABLE ?= no # USB Nkey Rollover
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ACTIONMAP_ENABLE ?= no # Use 16bit action codes in keymap instead of 8bit keycodes
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NO_UART = yes # UART for debugging
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# Optimize size but this may cause error "relocation truncated to fit"
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#EXTRALDFLAGS = -Wl,--relax
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# Search Path
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VPATH += $(TARGET_DIR)
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VPATH += $(TMK_DIR)
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include $(TMK_DIR)/protocol.mk
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include $(TMK_DIR)/common.mk
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include $(TMK_DIR)/protocol/vusb.mk
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include $(TMK_DIR)/rules.mk
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#---------------- Programming Options (avrdude) ----------------
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AVRDUDE ?= avrdude
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# Programming hardware, type: avrdude -c ?
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# to get a full listing.
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#
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# This setting asumes, that you flashed the bootloader first
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AVRDUDE_PROGRAMMER ?= usbasp
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# com1 = serial port. Use lpt1 to connect to parallel port.
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AVRDUDE_PORT ?= /dev/ttyACM0 # programmer connected to serial device
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AVRDUDE_WRITE_FLASH ?= -U flash:w:$(TARGET).hex
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#AVRDUDE_WRITE_EEPROM ?= -U eeprom:w:$(TARGET).eep
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# Brown-out detection level at VCC=2.7 V; [BODLEVEL=1]
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# Ext. Crystal Osc.; High Frequency; Start-up time PWRDWN/RESET: 1024 clk + 64 ms; [CKSEL=1111 SUT=00]
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# Boot Reset vector Enabled (Jump to bootloader first)
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# Serial program downloading (SPI) enabled; [SPIEN=0]
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# Watch-dog Timer disabled; [WDTON=0]
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# Self Programming disabled; [SELFPRGEN=0]
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AVRDUDE_FUSEBITS ?= -U lfuse:w:0x8F:m -U hfuse:w:0xC8:m
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# Uncomment the following if you want avrdude's erase cycle counter.
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# Note that this counter needs to be initialized first using -Yn,
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# see avrdude manual.
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#AVRDUDE_ERASE_COUNTER ?= -y
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# Uncomment the following if you do /not/ wish a verification to be
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# performed after programming the device.
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#AVRDUDE_NO_VERIFY ?= -V
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# Increase verbosity level. Please use this when submitting bug
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# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
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# to submit bug reports.
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#AVRDUDE_VERBOSE ?= -v -v
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AVRDUDE_FLAGS ?= -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
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AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY)
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AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE)
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AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER)
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#============================================================================
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# Program the device.
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program: $(TARGET).hex $(TARGET).eep
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$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM) $(AVRDUDE_FUSEBITS)
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# Set fuses.
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fuse:
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$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_FUSEBITS)
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# Listing of phony targets.
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.PHONY : all sizebefore sizeafter gccversion \
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build elf hex eep lss sym coff extcoff \
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clean program fuse
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50
atmega32/108/keymap_108.c
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50
atmega32/108/keymap_108.c
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#include "keymap_common.h"
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const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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KEYMAP(
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A, B, C, D, E, F, G, H, I, J, K, L,
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M, N, O, P, Q, R, S, T, U, V, W, X,
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Y, Z, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0,
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F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12,
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ENTER,ESC,BSPACE,TAB,SPACE,MINUS, EQUAL, LBRACKET, RBRACKET, BSLASH, SCOLON,QUOTE,
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GRAVE, COMMA, DOT, SLASH, PSCREEN, PAUSE, INSERT, HOME, PGUP, DELETE, END, PGDOWN,
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RIGHT, LEFT, DOWN, UP, KP_SLASH, KP_ASTERISK, KP_MINUS, KP_PLUS, KP_ENTER, KP_1, KP_2, KP_3,
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KP_4, KP_5, KP_6, KP_7, KP_8, KP_9, KP_0, KP_DOT, KP_EQUAL,KP_COMMA, AUDIO_MUTE, AUDIO_VOL_UP,
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AUDIO_VOL_DOWN,CAPSLOCK, SCROLLLOCK, NUMLOCK, LCTRL, LSHIFT, LALT,LGUI, RCTRL, RSHIFT, RALT, RGUI
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),
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};
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const action_t PROGMEM fn_actions[] = {
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[0] = ACTION_LAYER_TAP_KEY(1, KC_SPACE),
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[1] = ACTION_LAYER_TAP_KEY(2, KC_BSPACE),
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[2] = ACTION_LAYER_TAP_KEY(3, KC_C),
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[3] = ACTION_LAYER_TAP_KEY(4, KC_V),
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[4] = ACTION_LAYER_TAP_KEY(5, KC_B),
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[5] = ACTION_MODS_TAP_KEY(MOD_RSFT, KC_ENT),
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[6] = ACTION_MODS_TAP_KEY(MOD_LCTL, KC_Z),
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[7] = ACTION_MODS_TAP_KEY(MOD_LALT, KC_X),
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[8] = ACTION_MODS_TAP_KEY(MOD_RALT, KC_N),
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[10] = ACTION_MODS_TAP_KEY(MOD_RCTL, KC_M),
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[11] = ACTION_MODS_KEY(MOD_LSFT, KC_1),
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[12] = ACTION_MODS_KEY(MOD_LSFT, KC_2),
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[13] = ACTION_MODS_KEY(MOD_LSFT, KC_3),
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[14] = ACTION_MODS_KEY(MOD_LSFT, KC_4),
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[15] = ACTION_MODS_KEY(MOD_LSFT, KC_5),
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[16] = ACTION_MODS_KEY(MOD_LSFT, KC_6),
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[17] = ACTION_MODS_KEY(MOD_LSFT, KC_7),
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[18] = ACTION_MODS_KEY(MOD_LSFT, KC_8),
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[19] = ACTION_MODS_KEY(MOD_LSFT, KC_9),
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[20] = ACTION_MODS_KEY(MOD_LSFT, KC_0),
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[21] = ACTION_MODS_KEY(MOD_LSFT, KC_MINS),
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[22] = ACTION_MODS_KEY(MOD_LSFT, KC_EQL),
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[23] = ACTION_MODS_KEY(MOD_LSFT, KC_LBRC),
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[24] = ACTION_MODS_KEY(MOD_LSFT, KC_RBRC),
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[25] = ACTION_MODS_KEY(MOD_LSFT, KC_BSLS),
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[26] = ACTION_MODS_KEY(MOD_LSFT, KC_COMM),
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[27] = ACTION_MODS_KEY(MOD_LSFT, KC_DOT),
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[28] = ACTION_MODS_KEY(MOD_LSFT, KC_SLSH),
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[29] = ACTION_MODS_KEY(MOD_LSFT, KC_SCLN),
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[30] = ACTION_MODS_KEY(MOD_LSFT, KC_QUOT),
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};
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57
atmega32/108/keymap_common.h
Normal file
57
atmega32/108/keymap_common.h
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/*
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Copyright 2012,2013 Jun Wako <wakojun@gmail.com>
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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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#ifndef KEYMAP_COMMON_H
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#define KEYMAP_COMMON_H
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#include <stdint.h>
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#include <stdbool.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 "print.h"
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#include "debug.h"
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#include "keymap.h"
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#define KEYMAP( \
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K00, K01, K02, K03, K04, K05, K06, K07, K08, K09, K0A, K0B, \
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K10, K11, K12, K13, K14, K15, K16, K17, K18, K19, K1A, K1B, \
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K20, K21, K22, K23, K24, K25, K26, K27, K28, K29, K2A, K2B, \
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K30, K31, K32, K33, K34, K35, K36, K37, K38, K39, K3A, K3B, \
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K40, K41, K42, K43, K44, K45, K46, K47, K48, K49, K4A, K4B, \
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K50, K51, K52, K53, K54, K55, K56, K57, K58, K59, K5A, K5B, \
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K60, K61, K62, K63, K64, K65, K66, K67, K68, K69, K6A, K6B, \
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K70, K71, K72, K73, K74, K75, K76, K77, K78, K79, K7A, K7B, \
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K80, K81, K82, K83, K84, K85, K86, K87, K88, K89, K8A, K8B \
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) \
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{ \
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{ KC_##K00, KC_##K01, KC_##K02, KC_##K03, KC_##K04, KC_##K05, KC_##K06, KC_##K07, KC_##K08, KC_##K09, KC_##K0A, KC_##K0B }, \
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{ KC_##K10, KC_##K11, KC_##K12, KC_##K13, KC_##K14, KC_##K15, KC_##K16, KC_##K17, KC_##K18, KC_##K19, KC_##K1A, KC_##K1B }, \
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{ KC_##K20, KC_##K21, KC_##K22, KC_##K23, KC_##K24, KC_##K25, KC_##K26, KC_##K27, KC_##K28, KC_##K29, KC_##K2A, KC_##K2B }, \
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{ KC_##K30, KC_##K31, KC_##K32, KC_##K33, KC_##K34, KC_##K35, KC_##K36, KC_##K37, KC_##K38, KC_##K39, KC_##K3A, KC_##K3B }, \
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{ KC_##K40, KC_##K41, KC_##K42, KC_##K43, KC_##K44, KC_##K45, KC_##K46, KC_##K47, KC_##K48, KC_##K49, KC_##K4A, KC_##K4B }, \
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{ KC_##K50, KC_##K51, KC_##K52, KC_##K53, KC_##K54, KC_##K55, KC_##K56, KC_##K57, KC_##K58, KC_##K59, KC_##K5A, KC_##K5B }, \
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{ KC_##K60, KC_##K61, KC_##K62, KC_##K63, KC_##K64, KC_##K65, KC_##K66, KC_##K67, KC_##K68, KC_##K69, KC_##K6A, KC_##K6B }, \
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{ KC_##K70, KC_##K71, KC_##K72, KC_##K73, KC_##K74, KC_##K75, KC_##K76, KC_##K77, KC_##K78, KC_##K79, KC_##K7A, KC_##K7B }, \
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{ KC_##K80, KC_##K81, KC_##K82, KC_##K83, KC_##K84, KC_##K85, KC_##K86, KC_##K87, KC_##K88, KC_##K89, KC_##K8A, KC_##K8B } \
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||||||
|
}
|
||||||
|
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||||||
|
#endif
|
59
atmega32/108/led.c
Normal file
59
atmega32/108/led.c
Normal file
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|||||||
|
/*
|
||||||
|
Copyright 2012 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 <avr/io.h>
|
||||||
|
#include "stdint.h"
|
||||||
|
#include "led.h"
|
||||||
|
|
||||||
|
|
||||||
|
void led_set(uint8_t usb_led)
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||||||
|
{
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||||||
|
DDRD |= (1 << 6) | (1 << 5) | (1 << 3) | (1 << 0);
|
||||||
|
DDRA |= (1 << 7);
|
||||||
|
|
||||||
|
DDRD |= (1 << 6) | (1 << 5) | (1 << 3);
|
||||||
|
|
||||||
|
if (usb_led & (1<<USB_LED_SCROLL_LOCK)) {
|
||||||
|
PORTD |= (1 << 3);
|
||||||
|
} else {
|
||||||
|
PORTD &= ~(1 << 3);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
|
||||||
|
PORTD |= (1 << 5);
|
||||||
|
} else {
|
||||||
|
PORTD &= ~(1 << 5);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (usb_led & (1<<USB_LED_NUM_LOCK)) {
|
||||||
|
PORTD |= (1 << 6);
|
||||||
|
} else {
|
||||||
|
PORTD &= ~(1 << 6);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
|
||||||
|
PORTA &= ~(1 << 7);
|
||||||
|
} else {
|
||||||
|
PORTA |= (1 << 7);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (usb_led & (1<<USB_LED_NUM_LOCK)) {
|
||||||
|
PORTD &= ~(1 << 0);
|
||||||
|
} else {
|
||||||
|
PORTD |= (1 << 0);
|
||||||
|
}
|
||||||
|
}
|
225
atmega32/108/matrix.c
Normal file
225
atmega32/108/matrix.c
Normal file
@ -0,0 +1,225 @@
|
|||||||
|
/*
|
||||||
|
Copyright 2012 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"
|
||||||
|
|
||||||
|
#ifndef DEBOUNCE
|
||||||
|
# define DEBOUNCE 5
|
||||||
|
#endif
|
||||||
|
static uint8_t debouncing = DEBOUNCE;
|
||||||
|
|
||||||
|
/* matrix state(1:on, 0:off) */
|
||||||
|
static matrix_row_t matrix[MATRIX_ROWS];
|
||||||
|
static matrix_row_t matrix_debouncing[MATRIX_ROWS];
|
||||||
|
|
||||||
|
static matrix_row_t read_cols(void);
|
||||||
|
static void init_cols(void);
|
||||||
|
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();
|
||||||
|
init_cols();
|
||||||
|
|
||||||
|
// initialize matrix state: all keys off
|
||||||
|
for (uint8_t i=0; i < MATRIX_ROWS; i++) {
|
||||||
|
matrix[i] = 0;
|
||||||
|
matrix_debouncing[i] = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
uint8_t matrix_scan(void)
|
||||||
|
{
|
||||||
|
|
||||||
|
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
|
||||||
|
select_row(i);
|
||||||
|
_delay_us(30); // without this wait read unstable value.
|
||||||
|
matrix_row_t cols = read_cols();
|
||||||
|
if (matrix_debouncing[i] != cols) {
|
||||||
|
matrix_debouncing[i] = cols;
|
||||||
|
if (debouncing) {
|
||||||
|
debug("bounce!: "); debug_hex(debouncing); debug("\n");
|
||||||
|
}
|
||||||
|
debouncing = DEBOUNCE;
|
||||||
|
}
|
||||||
|
unselect_rows();
|
||||||
|
}
|
||||||
|
|
||||||
|
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++) {
|
||||||
|
phex(row); print(": ");
|
||||||
|
pbin_reverse16(matrix_get_row(row));
|
||||||
|
print("\n");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
uint8_t matrix_key_count(void)
|
||||||
|
{
|
||||||
|
uint8_t count = 0;
|
||||||
|
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
|
||||||
|
count += bitpop16(matrix[i]);
|
||||||
|
}
|
||||||
|
return count;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Column pin configuration
|
||||||
|
* col: 0 1 2 3 4 5 6 7 8 9 10 11
|
||||||
|
* pin: C0, C1, C2, C3, C4, C5, C6, C7, A0, A1, A2, A3
|
||||||
|
*/
|
||||||
|
|
||||||
|
static void init_cols(void)
|
||||||
|
{
|
||||||
|
// Input with pull-up(DDR:0, PORT:1)
|
||||||
|
DDRA &= ~0b00001111;
|
||||||
|
PORTA |= 0b00001111;
|
||||||
|
DDRC &= ~0b11111111;
|
||||||
|
PORTC |= 0b11111111;
|
||||||
|
}
|
||||||
|
|
||||||
|
static matrix_row_t read_cols(void)
|
||||||
|
{
|
||||||
|
return
|
||||||
|
(PINC&(1<<0) ? 0 : (1<<0)) |
|
||||||
|
(PINC&(1<<1) ? 0 : (1<<1)) |
|
||||||
|
(PINC&(1<<2) ? 0 : (1<<2)) |
|
||||||
|
(PINC&(1<<3) ? 0 : (1<<3)) |
|
||||||
|
(PINC&(1<<4) ? 0 : (1<<4)) |
|
||||||
|
(PINC&(1<<5) ? 0 : (1<<5)) |
|
||||||
|
(PINC&(1<<6) ? 0 : (1<<6)) |
|
||||||
|
(PINC&(1<<7) ? 0 : (1<<7)) |
|
||||||
|
(PINA&(1<<0) ? 0 : (1<<8)) |
|
||||||
|
(PINA&(1<<1) ? 0 : (1<<9)) |
|
||||||
|
(PINA&(1<<2) ? 0 : (1<<10)) |
|
||||||
|
(PINA&(1<<3) ? 0 : (1<<11));
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Row pin configuration
|
||||||
|
* row: 0 1 2 3 4 5 6 7 8
|
||||||
|
* pin: B0, B1, B2, B3, B4, A6, A5, A4, D1
|
||||||
|
*/
|
||||||
|
|
||||||
|
static void unselect_rows(void)
|
||||||
|
{
|
||||||
|
// Hi-Z(DDR:0, PORT:0) to unselect
|
||||||
|
DDRA &= ~0b01110000;
|
||||||
|
PORTA &= ~0b01110000;
|
||||||
|
DDRB &= ~0b00011111;
|
||||||
|
PORTB &= ~0b00011111;
|
||||||
|
DDRD &= ~0b00000010;
|
||||||
|
PORTD &= ~0b00000010;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void select_row(uint8_t row)
|
||||||
|
{
|
||||||
|
// Output low(DDR:1, PORT:0) to select
|
||||||
|
switch (row) {
|
||||||
|
case 0:
|
||||||
|
DDRB |= (1<<0);
|
||||||
|
PORTB &= ~(1<<0);
|
||||||
|
break;
|
||||||
|
case 1:
|
||||||
|
DDRB |= (1<<1);
|
||||||
|
PORTB &= ~(1<<1);
|
||||||
|
break;
|
||||||
|
case 2:
|
||||||
|
DDRB |= (1<<2);
|
||||||
|
PORTB &= ~(1<<2);
|
||||||
|
break;
|
||||||
|
case 3:
|
||||||
|
DDRB |= (1<<3);
|
||||||
|
PORTB &= ~(1<<3);
|
||||||
|
break;
|
||||||
|
case 4:
|
||||||
|
DDRB |= (1<<4);
|
||||||
|
PORTB &= ~(1<<4);
|
||||||
|
break;
|
||||||
|
case 5:
|
||||||
|
DDRA |= (1<<6);
|
||||||
|
PORTA &= ~(1<<6);
|
||||||
|
break;
|
||||||
|
case 6:
|
||||||
|
DDRA |= (1<<5);
|
||||||
|
PORTA &= ~(1<<5);
|
||||||
|
break;
|
||||||
|
case 7:
|
||||||
|
DDRA |= (1<<4);
|
||||||
|
PORTA &= ~(1<<4);
|
||||||
|
break;
|
||||||
|
case 8:
|
||||||
|
DDRD |= (1<<1);
|
||||||
|
PORTD &= ~(1<<1);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
Loading…
Reference in New Issue
Block a user