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Handwired/Dactyl keyboard (#2058)

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* Copy the ergodox_ez code to handwired/dactyl

Differences from the Ergodox:

* Use QMK_SUBPROJECT_H instead of QMK_KEYBOARD_H, since it's under
    handwired
* Omitted several keymaps. They'll eventually be broken (since the
    Dactyl has fewer keys), and I don't want to try to fix them.
* Omitted the keymap images for the default layout, since they depict
    a different keyboard.
* Everything that said Ergodox now says Dactyl, naturally.

* [whitespace] Delete trailing whitespace

My editor does this automatically so it's just gonna keep cropping up...

* Cut the dactyl down to the right number of columns

(Remember, throughout matrix.c, everything called "row" is really a
column, and vice-versa).

* Remove LED-related code

* Tighten up the Dactyl's build options

* Whitespace cleanup in twimaster.c

* Hardtabs -> spaces
* No more trailing whitespace

* Typo fix

* Correct the CPU frequency units

The Teensy's CPU definitely doesn't run at 16 petahertz...

* Restore access to ONEHAND_ENABLE

I turned it off in 26d47cb42622d990a7c3335e7fcc151aa3edfbf0 while
desperately debugging; I just wanted to ensure it wasn't causing the
problem I was seeing. It was not, in fact, causing the problem, so it's
back.

Also fixed the swap matrix in dactyl.c, since it still referred to
columns that exist in the Ergodox but not the Dactyl.

* Clearer phrasing about TWI's effect on scan rate

* Fix up the Dactyl's firmware-loading instructions

Sadly, the Dactyl has no hole for the onboard reset button.

* Dvorak keymap for the Dactyl

* The Erincalling Layout

* Erincalling layout: Add a := key

I've been working in Go, which uses := a lot, and it's awkward to type
in this layout.

* Dactyl README: link to the dactyl-keyboard repo

* Add a missing copyright line

I don't know how much this matters? Honestly, it's enough for me that my
name is on the git commit. But hey, let's be consistent until there's a
specific reason not to be, right?

* Dactyl: remove commented-out code

I hate it I hate it I hate it

There's not even any information about what it was trying to do!!!! >:(

* Add a note about the row/column ridiculousness

* [whitespace] realign some constants

* Don't claim B4 is tied to VCC

It doesn't matter at all? I honestly don't know what the reason ever
was. It looks like it dates back to the original ErgoDox and I've never
seen one sentence about the purpose.

I've been skipping that wire for some time, and I promise it works fine.

* Dactyl keymaps: Send RALT for right-hand alt key

Not terribly important but I just like things tidy OK

* typo fix

* Refer to "dactyl.h" explicitly

QMK_SUBPROJECT_H has been working locally, but fails in CI. Strange!

* Dactyl: Don't use QMK_SUBPROJECT_H at all

It's still breaking in CI, even though it was a never a problem locally.
This commit is contained in:
Erin Call 2017-11-25 23:18:59 -08:00 committed by Jack Humbert
parent 18525aa17b
commit f2a0b0ee20
14 changed files with 1675 additions and 0 deletions
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67
keyboards/handwired/dactyl/config.h Normal file
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/*
Copyright 2012 Jun Wako <wakojun@gmail.com>
Copyright 2013 Oleg Kostyuk <cub.uanic@gmail.com>
Copyright 2017 Erin Call <hello@erincall.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 DACTYL_CONFIG_H
#define DACTYL_CONFIG_H
#include "config_common.h"
/* USB Device descriptor parameter */
#define VENDOR_ID 0xFEED
#define PRODUCT_ID 0x1308
#define DEVICE_VER 0x0001
#define MANUFACTURER Adereth
#define PRODUCT Dactyl
#define DESCRIPTION An ortholinear, split, 3D-curved keyboard with thumb clusters.
/* key matrix size
* At this time, "row" in the dactyl's code actually means "column" on the
* physical keyboard. It's confusing. I'm sorry. Blame Jack Humbert :P
*/
#define MATRIX_ROWS 12
#define MATRIX_COLS 6
#define MOUSEKEY_INTERVAL 20
#define MOUSEKEY_DELAY 0
#define MOUSEKEY_TIME_TO_MAX 60
#define MOUSEKEY_MAX_SPEED 7
#define MOUSEKEY_WHEEL_DELAY 0
#define TAPPING_TOGGLE 1
#define TAPPING_TERM 200
#define IGNORE_MOD_TAP_INTERRUPT // this makes it possible to do rolling combos (zx) with keys that convert to other keys on hold (z becomes ctrl when you hold it, and when this option isn't enabled, z rapidly followed by x actually sends Ctrl-x. That's bad.)
/* key combination for command */
#define IS_COMMAND() ( \
keyboard_report->mods == (MOD_BIT(KC_LCTL) | MOD_BIT(KC_RCTL)) || \
keyboard_report->mods == (MOD_BIT(KC_LSFT) | MOD_BIT(KC_RSFT)) \
)
/* fix space cadet rollover issue */
#define DISABLE_SPACE_CADET_ROLLOVER
/* Set 0 if debouncing isn't needed */
#define DEBOUNCE 15
#define PREVENT_STUCK_MODIFIERS
#define USB_MAX_POWER_CONSUMPTION 500
#endif

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#include "dactyl.h"
#include "i2cmaster.h"
bool i2c_initialized = 0;
uint8_t mcp23018_status = 0x20;
void matrix_init_kb(void) {
DDRB &= ~(1<<4); // set B(4) as input
PORTB &= ~(1<<4); // set B(4) internal pull-up disabled
// unused pins - C7, D4, D5, D7, E6
// set as input with internal pull-up enabled
DDRC &= ~(1<<7);
DDRD &= ~(1<<5 | 1<<4);
DDRE &= ~(1<<6);
PORTC |= (1<<7);
PORTD |= (1<<5 | 1<<4);
PORTE |= (1<<6);
matrix_init_user();
}
uint8_t init_mcp23018(void) {
mcp23018_status = 0x20;
// I2C subsystem
if (i2c_initialized == 0) {
i2c_init(); // on pins D(1,0)
i2c_initialized = true;
_delay_ms(1000);
}
// set pin direction
// - unused : input : 1
// - input : input : 1
// - driving : output : 0
mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(IODIRA); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b00000000); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b00111111); if (mcp23018_status) goto out;
i2c_stop();
// set pull-up
// - unused : on : 1
// - input : on : 1
// - driving : off : 0
mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(GPPUA); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b00000000); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0b00111111); if (mcp23018_status) goto out;
out:
i2c_stop();
return mcp23018_status;
}
#ifdef ONEHAND_ENABLE
__attribute__ ((weak))
// swap-hands action needs a matrix to define the swap
const keypos_t hand_swap_config[MATRIX_ROWS][MATRIX_COLS] = {
/* Left hand, matrix positions */
{{0,11}, {1,11}, {2,11}, {3,11}, {4,11}, {5,11}},
{{0,10}, {1,10}, {2,10}, {3,10}, {4,10}, {5,10}},
{{0,9}, {1,9}, {2,9}, {3,9}, {4,9}, {5,9}},
{{0,8}, {1,8}, {2,8}, {3,8}, {4,8}, {5,8}},
{{0,7}, {1,7}, {2,7}, {3,7}, {4,7}, {5,7}},
{{0,6}, {1,6}, {2,6}, {3,6}, {4,6}, {5,6}},
/* Right hand, matrix positions */
{{0,5}, {1,5}, {2,5}, {3,5}, {4,5}, {5,5}},
{{0,4}, {1,4}, {2,4}, {3,4}, {4,4}, {5,4}},
{{0,3}, {1,3}, {2,3}, {3,3}, {4,3}, {5,3}},
{{0,2}, {1,2}, {2,2}, {3,2}, {4,2}, {5,2}},
{{0,1}, {1,1}, {2,1}, {3,1}, {4,1}, {5,1}},
{{0,0}, {1,0}, {2,0}, {3,0}, {4,0}, {5,0}},
};
#endif

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#ifndef DACTYL_H
#define DACTYL_H
#include "quantum.h"
#include <stdint.h>
#include <stdbool.h>
#include "i2cmaster.h"
#include <util/delay.h>
#define CPU_PRESCALE(n) (CLKPR = 0x80, CLKPR = (n))
#define CPU_16MHz 0x00
// I2C aliases and register addresses (see "mcp23018.md")
#define I2C_ADDR 0b0100000
#define I2C_ADDR_WRITE ( (I2C_ADDR<<1) | I2C_WRITE )
#define I2C_ADDR_READ ( (I2C_ADDR<<1) | I2C_READ )
#define IODIRA 0x00 // i/o direction register
#define IODIRB 0x01
#define GPPUA 0x0C // GPIO pull-up resistor register
#define GPPUB 0x0D
#define GPIOA 0x12 // general purpose i/o port register (write modifies OLAT)
#define GPIOB 0x13
#define OLATA 0x14 // output latch register
#define OLATB 0x15
extern uint8_t mcp23018_status;
void init_dactyl(void);
uint8_t init_mcp23018(void);
#define KEYMAP( \
\
/* left hand, spatial positions */ \
k00,k01,k02,k03,k04,k05, \
k10,k11,k12,k13,k14,k15, \
k20,k21,k22,k23,k24,k25, \
k30,k31,k32,k33,k34,k35, \
k40,k41,k42,k43,k44, \
k55,k50, \
k54, \
k53,k52,k51, \
\
/* right hand, spatial positions */ \
k06,k07,k08,k09,k0A,k0B, \
k16,k17,k18,k19,k1A,k1B, \
k26,k27,k28,k29,k2A,k2B, \
k36,k37,k38,k39,k3A,k3B, \
k47,k48,k49,k4A,k4B, \
k5B,k56, \
k57, \
k5A,k59,k58 ) \
\
/* matrix positions */ \
{ \
{ k00, k10, k20, k30, k40, k50 }, \
{ k01, k11, k21, k31, k41, k51 }, \
{ k02, k12, k22, k32, k42, k52 }, \
{ k03, k13, k23, k33, k43, k53 }, \
{ k04, k14, k24, k34, k44, k54 }, \
{ k05, k15, k25, k35, KC_NO, k55 }, \
\
{ k06, k16, k26, k36, KC_NO, k56 }, \
{ k07, k17, k27, k37, k47, k57 }, \
{ k08, k18, k28, k38, k48, k58 }, \
{ k09, k19, k29, k39, k49, k59 }, \
{ k0A, k1A, k2A, k3A, k4A, k5A }, \
{ k0B, k1B, k2B, k3B, k4B, k5B } \
}
#define LAYOUT_dactyl KEYMAP
#endif

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#ifndef _I2CMASTER_H
#define _I2CMASTER_H 1
/*************************************************************************
* Title: C include file for the I2C master interface
* (i2cmaster.S or twimaster.c)
* Author: Peter Fleury <pfleury@gmx.ch> http://jump.to/fleury
* File: $Id: i2cmaster.h,v 1.10 2005/03/06 22:39:57 Peter Exp $
* Software: AVR-GCC 3.4.3 / avr-libc 1.2.3
* Target: any AVR device
* Usage: see Doxygen manual
**************************************************************************/
#ifdef DOXYGEN
/**
@defgroup pfleury_ic2master I2C Master library
@code #include <i2cmaster.h> @endcode
@brief I2C (TWI) Master Software Library
Basic routines for communicating with I2C slave devices. This single master
implementation is limited to one bus master on the I2C bus.
This I2c library is implemented as a compact assembler software implementation of the I2C protocol
which runs on any AVR (i2cmaster.S) and as a TWI hardware interface for all AVR with built-in TWI hardware (twimaster.c).
Since the API for these two implementations is exactly the same, an application can be linked either against the
software I2C implementation or the hardware I2C implementation.
Use 4.7k pull-up resistor on the SDA and SCL pin.
Adapt the SCL and SDA port and pin definitions and eventually the delay routine in the module
i2cmaster.S to your target when using the software I2C implementation !
Adjust the CPU clock frequence F_CPU in twimaster.c or in the Makfile when using the TWI hardware implementaion.
@note
The module i2cmaster.S is based on the Atmel Application Note AVR300, corrected and adapted
to GNU assembler and AVR-GCC C call interface.
Replaced the incorrect quarter period delays found in AVR300 with
half period delays.
@author Peter Fleury pfleury@gmx.ch http://jump.to/fleury
@par API Usage Example
The following code shows typical usage of this library, see example test_i2cmaster.c
@code
#include <i2cmaster.h>
#define Dev24C02 0xA2 // device address of EEPROM 24C02, see datasheet
int main(void)
{
unsigned char ret;
i2c_init(); // initialize I2C library
// write 0x75 to EEPROM address 5 (Byte Write)
i2c_start_wait(Dev24C02+I2C_WRITE); // set device address and write mode
i2c_write(0x05); // write address = 5
i2c_write(0x75); // write value 0x75 to EEPROM
i2c_stop(); // set stop conditon = release bus
// read previously written value back from EEPROM address 5
i2c_start_wait(Dev24C02+I2C_WRITE); // set device address and write mode
i2c_write(0x05); // write address = 5
i2c_rep_start(Dev24C02+I2C_READ); // set device address and read mode
ret = i2c_readNak(); // read one byte from EEPROM
i2c_stop();
for(;;);
}
@endcode
*/
#endif /* DOXYGEN */
/**@{*/
#if (__GNUC__ * 100 + __GNUC_MINOR__) < 304
#error "This library requires AVR-GCC 3.4 or later, update to newer AVR-GCC compiler !"
#endif
#include <avr/io.h>
/** defines the data direction (reading from I2C device) in i2c_start(),i2c_rep_start() */
#define I2C_READ 1
/** defines the data direction (writing to I2C device) in i2c_start(),i2c_rep_start() */
#define I2C_WRITE 0
/**
@brief initialize the I2C master interace. Need to be called only once
@param void
@return none
*/
extern void i2c_init(void);
/**
@brief Terminates the data transfer and releases the I2C bus
@param void
@return none
*/
extern void i2c_stop(void);
/**
@brief Issues a start condition and sends address and transfer direction
@param addr address and transfer direction of I2C device
@retval 0 device accessible
@retval 1 failed to access device
*/
extern unsigned char i2c_start(unsigned char addr);
/**
@brief Issues a repeated start condition and sends address and transfer direction
@param addr address and transfer direction of I2C device
@retval 0 device accessible
@retval 1 failed to access device
*/
extern unsigned char i2c_rep_start(unsigned char addr);
/**
@brief Issues a start condition and sends address and transfer direction
If device is busy, use ack polling to wait until device ready
@param addr address and transfer direction of I2C device
@return none
*/
extern void i2c_start_wait(unsigned char addr);
/**
@brief Send one byte to I2C device
@param data byte to be transfered
@retval 0 write successful
@retval 1 write failed
*/
extern unsigned char i2c_write(unsigned char data);
/**
@brief read one byte from the I2C device, request more data from device
@return byte read from I2C device
*/
extern unsigned char i2c_readAck(void);
/**
@brief read one byte from the I2C device, read is followed by a stop condition
@return byte read from I2C device
*/
extern unsigned char i2c_readNak(void);
/**
@brief read one byte from the I2C device
Implemented as a macro, which calls either i2c_readAck or i2c_readNak
@param ack 1 send ack, request more data from device<br>
0 send nak, read is followed by a stop condition
@return byte read from I2C device
*/
extern unsigned char i2c_read(unsigned char ack);
#define i2c_read(ack) (ack) ? i2c_readAck() : i2c_readNak();
/**@}*/
#endif

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#include "dactyl.h"
#include "debug.h"
#include "action_layer.h"
#include "version.h"
#define BASE 0 // default layer
#define SYMB 1 // symbols
#define MDIA 2 // media keys
enum custom_keycodes {
PLACEHOLDER = SAFE_RANGE, // ensure these codes start after the highest keycode defined in Quantum
VRSN,
};
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* Keymap 0: Basic layer
*
* ,-----------------------------------------. ,-----------------------------------------.
* | = | 1 | 2 | 3 | 4 | 5 | | 6 | 7 | 8 | 9 | 0 | - |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | Del | Q | W | E | R | T | | Y | U | I | O | P | \ |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | BkSp | A | S | D | F | G | | H | J | K | L |; / L2|'/Cmd |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* |LShift|Z/Ctrl| X | C | V | B | | N | M | , | . |//Ctrl|RShift|
* |------+------+------+------+------+------' `------+------+------+------+------+------|
* |Grv/L1| '" |AltShf| Left | Right| | Up | Down | [ | ] | ~L1 |
* `----------------------------------' `----------------------------------'
* ,-------------. ,-------------.
* | App | LGui | | Alt | ^/Esc|
* ,------|------|------| |------+------+------.
* | | | Home | | PgUp | | |
* | Space|Backsp|------| |------| Tab |Enter |
* | |ace | End | | PgDn | | |
* `--------------------' `--------------------'
*/
[BASE] = LAYOUT_dactyl( // layer 0 : default
// left hand
KC_EQL, KC_1, KC_2, KC_3, KC_4, KC_5,
KC_DELT, KC_Q, KC_W, KC_E, KC_R, KC_T,
KC_BSPC, KC_A, KC_S, KC_D, KC_F, KC_G,
KC_LSFT, CTL_T(KC_Z), KC_X, KC_C, KC_V, KC_B,
LT(SYMB,KC_GRV), KC_QUOT, LALT(KC_LSFT), KC_LEFT, KC_RGHT,
ALT_T(KC_APP), KC_LGUI,
KC_HOME,
KC_SPC, KC_BSPC, KC_END,
// right hand
KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS,
KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSLS,
KC_H, KC_J, KC_K, KC_L, LT(MDIA, KC_SCLN), GUI_T(KC_QUOT),
KC_N, KC_M, KC_COMM, KC_DOT, CTL_T(KC_SLSH), KC_RSFT,
KC_UP, KC_DOWN, KC_LBRC, KC_RBRC, KC_FN1,
KC_RALT, CTL_T(KC_ESC),
KC_PGUP,
KC_PGDN, KC_TAB, KC_ENT
),
/* Keymap 1: Symbol Layer
*
* ,-----------------------------------------. ,-----------------------------------------.
* |Versn | F1 | F2 | F3 | F4 | F5 | | F6 | F7 | F8 | F9 | F10 | F11 |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | ! | @ | { | } | | | | Up | 7 | 8 | 9 | * | F12 |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | # | $ | ( | ) | ` | | Down | 4 | 5 | 6 | + | |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | % | ^ | [ | ] | ~ | | & | 1 | 2 | 3 | \ | |
* |------+------+------+------+------+------' `------+------+------+------+------+------|
* |RESET | | | | | | | . | 0 | = | |
* `----------------------------------' `----------------------------------'
* ,-------------. ,-------------.
* | | | | | |
* ,------|------|------| |------+------+------.
* | | | | | | | |
* | | |------| |------| | |
* | | | | | | | |
* `--------------------' `--------------------'
*/
// SYMBOLS
[SYMB] = LAYOUT_dactyl(
// left hand
VRSN, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5,
KC_TRNS, KC_EXLM, KC_AT, KC_LCBR, KC_RCBR, KC_PIPE,
KC_TRNS, KC_HASH, KC_DLR, KC_LPRN, KC_RPRN, KC_GRV,
KC_TRNS, KC_PERC, KC_CIRC, KC_LBRC, KC_RBRC, KC_TILD,
RESET, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS,
KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS,
// right hand
KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11,
KC_UP, KC_7, KC_8, KC_9, KC_ASTR, KC_F12,
KC_DOWN, KC_4, KC_5, KC_6, KC_PLUS, KC_TRNS,
KC_AMPR, KC_1, KC_2, KC_3, KC_BSLS, KC_TRNS,
KC_TRNS, KC_DOT, KC_0, KC_EQL, KC_TRNS,
KC_TRNS, KC_TRNS,
KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS
),
/* Keymap 2: Media and mouse keys
* ,-----------------------------------------. ,-----------------------------------------.
* | | | | | | | | | | | | | |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | | | MsUp | | | | | | | | | |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | |MsLeft|MsDown|MsRght| | | | | | | | Play |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | | | | | | | | | Prev | Next | | |
* |------+------+------+------+------+------' `------+------+------+------+------+------|
* | | | | Lclk | Rclk | | VolUp| VolDn| Mute | | |
* `----------------------------------' `----------------------------------'
* ,-------------. ,-------------.
* | | | | | |
* ,------|------|------| |------+------+------.
* | | | | | | |Brwser|
* | | |------| |------| |Back |
* | | | | | | | |
* `--------------------' `--------------------'
*
*/
// MEDIA AND MOUSE
[MDIA] = LAYOUT_dactyl(
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS, KC_MS_U, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS, KC_MS_L, KC_MS_D, KC_MS_R, KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS, KC_BTN1, KC_BTN2,
KC_TRNS, KC_TRNS,
KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS,
// right hand
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_MPLY,
KC_TRNS, KC_TRNS, KC_MPRV, KC_MNXT, KC_TRNS, KC_TRNS,
KC_VOLU, KC_VOLD, KC_MUTE, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS,
KC_TRNS,
KC_TRNS, KC_TRNS, KC_WBAK
),
};
const uint16_t PROGMEM fn_actions[] = {
[1] = ACTION_LAYER_TAP_TOGGLE(SYMB) // FN1 - Momentary Layer 1 (Symbols)
};
const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
{
// MACRODOWN only works in this function
switch(id) {
case 0:
if (record->event.pressed) {
SEND_STRING (QMK_KEYBOARD "/" QMK_KEYMAP " @ " QMK_VERSION);
}
break;
case 1:
if (record->event.pressed) { // For resetting EEPROM
eeconfig_init();
}
break;
}
return MACRO_NONE;
};
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
switch (keycode) {
case VRSN:
if (record->event.pressed) {
SEND_STRING (QMK_KEYBOARD "/" QMK_KEYMAP " @ " QMK_VERSION);
}
return false;
break;
}
return true;
}
// Runs just one time when the keyboard initializes.
void matrix_init_user(void) {
};
// Runs constantly in the background, in a loop.
void matrix_scan_user(void) {};

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# Dactyl Default Configuration
## Changelog
* Nov 2017:
* Copied and adapted from the Ergodox EZ equivalent
* Notable differences:
- Don't try to have the columns that don't exist, naturally
- Removed RGB keys, since there are no RGB LEDs in the Dactyl (as designed, at least)

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#include "dactyl.h"
#include "debug.h"
#include "action_layer.h"
#include "version.h"
#define BASE 0 // default layer
#define SYMB 1 // symbols
#define MDIA 2 // media keys
enum custom_keycodes {
PLACEHOLDER = SAFE_RANGE, // ensure these codes start after the highest keycode defined in Quantum
VRSN,
};
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* Keymap 0: Basic layer
*
* ,-----------------------------------------. ,-----------------------------------------.
* | = | 1 | 2 | 3 | 4 | 5 | | 6 | 7 | 8 | 9 | 0 | - |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | Del | '" | , | . | P | Y | | F | G | C | R | L | \ |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | BkSp | A | O | E | U | I | | D | H | T | N | S/L2 |//Cmd |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* |LShift|;/Ctrl| Q | J | K | X | | B | M | W | V |Z/Ctrl|RShift|
* |------+------+------+------+------+------' `------+------+------+------+------+------|
* |Grv/L1| = |AltShf| Left | Right| | Up | Down | [ | ] | ~L1 |
* `----------------------------------' `----------------------------------'
* ,-------------. ,-------------.
* | App | LGui | | Alt | ^/Esc|
* ,------|------|------| |------+------+------.
* | | | Home | | PgUp | | |
* | Space|Backsp|------| |------| Tab |Enter |
* | |ace | End | | PgDn | | |
* `--------------------' `--------------------'
*/
[BASE] = LAYOUT_dactyl( // layer 0 : default
// left hand
KC_EQL, KC_1, KC_2, KC_3, KC_4, KC_5,
KC_DELT, KC_QUOT, KC_COMM, KC_DOT, KC_P, KC_Y,
KC_BSPC, KC_A, KC_O, KC_E, KC_U, KC_I,
KC_LSFT, CTL_T(KC_SCLN), KC_Q, KC_J, KC_K, KC_X,
LT(SYMB,KC_GRV), KC_EQL, LALT(KC_LSFT), KC_LEFT, KC_RGHT,
ALT_T(KC_APP), KC_LGUI,
KC_HOME,
KC_SPC, KC_BSPC, KC_END,
// right hand
KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS,
KC_F, KC_G, KC_C, KC_R, KC_L, KC_BSLS,
KC_D, KC_H, KC_T, KC_N, LT(MDIA, KC_S), GUI_T(KC_SLSH),
KC_B, KC_M, KC_W, KC_V, CTL_T(KC_Z), KC_RSFT,
KC_UP, KC_DOWN, KC_LBRC, KC_RBRC, KC_FN1,
KC_RALT, CTL_T(KC_ESC),
KC_PGUP,
KC_PGDN, KC_TAB, KC_ENT
),
/* Keymap 1: Symbol Layer
*
* ,-----------------------------------------. ,-----------------------------------------.
* |Versn | F1 | F2 | F3 | F4 | F5 | | F6 | F7 | F8 | F9 | F10 | F11 |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | ! | @ | { | } | | | | Up | 7 | 8 | 9 | * | F12 |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | # | $ | ( | ) | ` | | Down | 4 | 5 | 6 | + | |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | % | ^ | [ | ] | ~ | | & | 1 | 2 | 3 | \ | |
* |------+------+------+------+------+------' `------+------+------+------+------+------|
* |RESET | | | | | | | . | 0 | = | |
* `----------------------------------' `----------------------------------'
* ,-------------. ,-------------.
* | | | | | |
* ,------|------|------| |------+------+------.
* | | | | | | | |
* | | |------| |------| | |
* | | | | | | | |
* `--------------------' `--------------------'
*/
// SYMBOLS
[SYMB] = LAYOUT_dactyl(
// left hand
VRSN, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5,
KC_TRNS, KC_EXLM, KC_AT, KC_LCBR, KC_RCBR, KC_PIPE,
KC_TRNS, KC_HASH, KC_DLR, KC_LPRN, KC_RPRN, KC_GRV,
KC_TRNS, KC_PERC, KC_CIRC, KC_LBRC, KC_RBRC, KC_TILD,
RESET, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS,
KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS,
// right hand
KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11,
KC_UP, KC_7, KC_8, KC_9, KC_ASTR, KC_F12,
KC_DOWN, KC_4, KC_5, KC_6, KC_PLUS, KC_TRNS,
KC_AMPR, KC_1, KC_2, KC_3, KC_BSLS, KC_TRNS,
KC_TRNS, KC_DOT, KC_0, KC_EQL, KC_TRNS,
KC_TRNS, KC_TRNS,
KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS
),
/* Keymap 2: Media and mouse keys
* ,-----------------------------------------. ,-----------------------------------------.
* | | | | | | | | | | | | | |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | | | MsUp | | | | | | | | | |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | |MsLeft|MsDown|MsRght| | | | | | | | Play |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | | | | | | | | | Prev | Next | | |
* |------+------+------+------+------+------' `------+------+------+------+------+------|
* | | | | Lclk | Rclk | | VolUp| VolDn| Mute | | |
* `----------------------------------' `----------------------------------'
* ,-------------. ,-------------.
* | | | | | |
* ,------|------|------| |------+------+------.
* | | | | | | |Brwser|
* | | |------| |------| |Back |
* | | | | | | | |
* `--------------------' `--------------------'
*
*/
// MEDIA AND MOUSE
[MDIA] = LAYOUT_dactyl(
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS, KC_MS_U, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS, KC_MS_L, KC_MS_D, KC_MS_R, KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS, KC_BTN1, KC_BTN2,
KC_TRNS, KC_TRNS,
KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS,
// right hand
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_MPLY,
KC_TRNS, KC_TRNS, KC_MPRV, KC_MNXT, KC_TRNS, KC_TRNS,
KC_VOLU, KC_VOLD, KC_MUTE, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS,
KC_TRNS,
KC_TRNS, KC_TRNS, KC_WBAK
),
};
const uint16_t PROGMEM fn_actions[] = {
[1] = ACTION_LAYER_TAP_TOGGLE(SYMB) // FN1 - Momentary Layer 1 (Symbols)
};
const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
{
// MACRODOWN only works in this function
switch(id) {
case 0:
if (record->event.pressed) {
SEND_STRING (QMK_KEYBOARD "/" QMK_KEYMAP " @ " QMK_VERSION);
}
break;
case 1:
if (record->event.pressed) { // For resetting EEPROM
eeconfig_init();
}
break;
}
return MACRO_NONE;
};
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
switch (keycode) {
case VRSN:
if (record->event.pressed) {
SEND_STRING (QMK_KEYBOARD "/" QMK_KEYMAP " @ " QMK_VERSION);
}
return false;
break;
}
return true;
}
// Runs just one time when the keyboard initializes.
void matrix_init_user(void) {
};
// Runs constantly in the background, in a loop.
void matrix_scan_user(void) {};

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# Dactyl Dvorak keymap
Modifiers and layers 1+ are the same as in the default layout.
Only the layer-0 dvorak-relevant keys are different.
## Changelog
* Nov 2017:
* Copied and adapted from the default keymap.

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#include "dactyl.h"
#include "debug.h"
#include "action_layer.h"
#include "version.h"
#define BASE 0 // default layer
#define CONT 1 // control layer
#define QWER 2 // qwerty layer
enum custom_keycodes {
PLACEHOLDER = SAFE_RANGE, // ensure these codes start after the highest keycode defined in Quantum
COLON_EQ,
};
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
/* Keymap 0: Basic layer
*
* ,-----------------------------------------. ,-----------------------------------------.
* | Esc | 1 | 2 | 3 | 4 | 5 | | 6 | 7 | 8 | 9 | 0 | \ |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | Tab | '" | , | . | P | Y | | F | G | C | R | L | / |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | := | A | O | E | U | I | | D | H | T | N | S | - |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* |LShift| ; | Q | J | K | X | | B | M | W | V | Z |RShift|
* |------+------+------+------+------+------' `------+------+------+------+------+------|
* | Home | ` | = | Left | Right| | Up | Down | [ | ] | End |
* `----------------------------------' `----------------------------------'
* ,-------------. ,-------------.
* | LCtl | LAlt | | RCtl | Ralt |
* ,------|------|------| |------+------+------.
* | | | L1 | | L1 | | |
* | Back |Delete|------| |------|Enter |Space |
* |Space | | LGui | | RGui | | |
* `--------------------' `--------------------'
*/
[BASE] = LAYOUT_dactyl( // layer 0 : default
// left hand
KC_ESC, KC_1, KC_2, KC_3, KC_4, KC_5,
KC_TAB, KC_QUOT, KC_COMM, KC_DOT, KC_P, KC_Y,
COLON_EQ, KC_A, KC_O, KC_E, KC_U, KC_I,
KC_LSFT, KC_SCLN, KC_Q, KC_J, KC_K, KC_X,
KC_HOME, KC_GRV, KC_EQL, KC_LEFT, KC_RGHT,
KC_LCTRL, KC_LALT,
MO(CONT),
KC_BSPC, KC_DEL, KC_LGUI,
// right hand
KC_6, KC_7, KC_8, KC_9, KC_0, KC_BSLS,
KC_F, KC_G, KC_C, KC_R, KC_L, KC_SLSH,
KC_D, KC_H, KC_T, KC_N, KC_S, KC_MINS,
KC_B, KC_M, KC_W, KC_V, KC_Z, KC_RSFT,
KC_UP, KC_DOWN, KC_LBRC, KC_RBRC, KC_END,
KC_RALT, KC_RCTL,
MO(CONT),
KC_RGUI, KC_ENT, KC_SPACE
),
/* Keymap 1: Control layer (media keys, Fkeys, numpad)
*
* ,-----------------------------------------. ,-----------------------------------------.
* | | F1 | F2 | F3 | F4 | F5 | | F6 | F7 | F8 | F9 | F10 | RESET|
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | | Mute | VolD | VolU | | | | 7 | 8 | 9 | + | |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | | Prev |PPause| Next | | | | 4 | 5 | 6 | = | |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | | | | | | | | 1 | 2 | 3 | , | |
* |------+------+------+------+------+------' `------+------+------+------+------+------|
* |PageUp| | | | | | 0 | 0 | . | |PageDn|
* `----------------------------------' `----------------------------------'
* ,-------------. ,-------------.
* | | | | | |
* ,------|------|------| |------+------+------.
* | | | | | | | |
* | | |------| |------| | |
* | | | | | | | |
* `--------------------' `--------------------'
*/
// SYMBOLS
[CONT] = LAYOUT_dactyl(
// left hand
KC_TRNS, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5,
KC_TRNS, KC_TRNS, KC_MUTE, KC_VOLD, KC_VOLU, KC_TRNS,
TG(QWER), KC_TRNS, KC_MPRV, KC_MPLY, KC_MNXT, KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_PGUP, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS,
KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS,
// right hand
KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, RESET,
KC_TRNS, KC_7, KC_8, KC_9, KC_KP_PLUS, KC_TRNS,
KC_TRNS, KC_4, KC_5, KC_6, KC_EQL, KC_TRNS,
KC_TRNS, KC_1, KC_2, KC_3, KC_COMM, KC_TRNS,
KC_0, KC_0, KC_DOT, KC_TRNS, KC_PGDN,
KC_TRNS, KC_TRNS,
KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS
),
/* Keymap 2: QWERTY overlay
* ,-----------------------------------------. ,-----------------------------------------.
* | | | | | | | | | | | | | [ |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | Q | W | E | R | T | | Y | U | I | O | P | ] |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | A | S | D | F | G | | H | J | K | L | ; | '" |
* |------+------+------+------+------+------| |------+------+------+------+------+------|
* | | Z | X | C | V | B | | N | M | , | . | / | |
* |------+------+------+------+------+------' `------+------+------+------+------+------|
* | | | | | | | | | - | \ | |
* `----------------------------------' `----------------------------------'
* ,-------------. ,-------------.
* | | | | | |
* ,------|------|------| |------+------+------.
* | | | | | | | |
* | | |------| |------| | |
* | | | | | | | |
* `--------------------' `--------------------'
*
*/
// QWERTY
[QWER] = LAYOUT_dactyl(
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_Q, KC_W, KC_E, KC_R, KC_T,
KC_TRNS, KC_A, KC_S, KC_D, KC_F, KC_G,
KC_TRNS, KC_Z, KC_X, KC_C, KC_V, KC_B,
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
KC_TRNS, KC_TRNS,
KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS,
// right hand
KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_LBRC,
KC_Y, KC_U, KC_I, KC_O, KC_P, KC_RBRC,
KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT,
KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_TRNS,
KC_TRNS, KC_TRNS, KC_MINS, KC_BSLS, KC_TRNS,
KC_TRNS, KC_TRNS,
KC_TRNS,
KC_TRNS, KC_TRNS, KC_TRNS
),
};
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
if (record->event.pressed) {
switch(keycode) {
case COLON_EQ:
SEND_STRING(":=");
return false;
break;
}
}
return true;
}
// Runs just one time when the keyboard initializes.
void matrix_init_user(void) {
};
// Runs constantly in the background, in a loop.
void matrix_scan_user(void) {};

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# Erincalling Dactyl keymap
## Changelog
* Nov 2017:
* Ported and adapted from the ergodox-firmware layout I'd been using

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/*
Copyright 2013 Oleg Kostyuk <cub.uanic@gmail.com>
Copyright 2017 Erin Call <hello@erincall.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 "wait.h"
#include "action_layer.h"
#include "print.h"
#include "debug.h"
#include "util.h"
#include "matrix.h"
#include "dactyl.h"
#include "i2cmaster.h"
#ifdef DEBUG_MATRIX_SCAN_RATE
#include "timer.h"
#endif
/*
* This constant define not debouncing time in msecs, but amount of matrix
* scan loops which should be made to get stable debounced results.
*
* On the Dactyl, the matrix scan rate is relatively low, because
* communicating with the left hand's I/O expander is slower than simply
* selecting local pins.
* Now it's only 317 scans/second, or about 3.15 msec/scan.
* According to Cherry specs, debouncing time is 5 msec.
*
* And so, there is no sense to have DEBOUNCE higher than 2.
*/
#ifndef DEBOUNCE
# define DEBOUNCE 5
#endif
/* matrix state(1:on, 0:off) */
static matrix_row_t matrix[MATRIX_ROWS];
// Debouncing: store for each key the number of scans until it's eligible to
// change. When scanning the matrix, ignore any changes in keys that have
// already changed in the last DEBOUNCE scans.
static uint8_t debounce_matrix[MATRIX_ROWS * MATRIX_COLS];
static matrix_row_t read_cols(uint8_t row);
static void init_cols(void);
static void unselect_rows(void);
static void select_row(uint8_t row);
static uint8_t mcp23018_reset_loop;
#ifdef DEBUG_MATRIX_SCAN_RATE
uint32_t matrix_timer;
uint32_t matrix_scan_count;
#endif
__attribute__ ((weak))
void matrix_init_user(void) {}
__attribute__ ((weak))
void matrix_scan_user(void) {}
__attribute__ ((weak))
void matrix_init_kb(void) {
matrix_init_user();
}
__attribute__ ((weak))
void matrix_scan_kb(void) {
matrix_scan_user();
}
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
mcp23018_status = init_mcp23018();
unselect_rows();
init_cols();
// initialize matrix state: all keys off
for (uint8_t i=0; i < MATRIX_ROWS; i++) {
matrix[i] = 0;
for (uint8_t j=0; j < MATRIX_COLS; ++j) {
debounce_matrix[i * MATRIX_COLS + j] = 0;
}
}
#ifdef DEBUG_MATRIX_SCAN_RATE
matrix_timer = timer_read32();
matrix_scan_count = 0;
#endif
matrix_init_quantum();
}
void matrix_power_up(void) {
mcp23018_status = init_mcp23018();
unselect_rows();
init_cols();
// initialize matrix state: all keys off
for (uint8_t i=0; i < MATRIX_ROWS; i++) {
matrix[i] = 0;
}
#ifdef DEBUG_MATRIX_SCAN_RATE
matrix_timer = timer_read32();
matrix_scan_count = 0;
#endif
}
// Returns a matrix_row_t whose bits are set if the corresponding key should be
// eligible to change in this scan.
matrix_row_t debounce_mask(uint8_t row) {
matrix_row_t result = 0;
for (uint8_t j=0; j < MATRIX_COLS; ++j) {
if (debounce_matrix[row * MATRIX_COLS + j]) {
--debounce_matrix[row * MATRIX_COLS + j];
} else {
result |= (1 << j);
}
}
return result;
}
// Report changed keys in the given row. Resets the debounce countdowns
// corresponding to each set bit in 'change' to DEBOUNCE.
void debounce_report(matrix_row_t change, uint8_t row) {
for (uint8_t i = 0; i < MATRIX_COLS; ++i) {
if (change & (1 << i)) {
debounce_matrix[row * MATRIX_COLS + i] = DEBOUNCE;
}
}
}
uint8_t matrix_scan(void)
{
if (mcp23018_status) { // if there was an error
if (++mcp23018_reset_loop == 0) {
// since mcp23018_reset_loop is 8 bit - we'll try to reset once in 255 matrix scans
// this will be approx bit more frequent than once per second
print("trying to reset mcp23018\n");
mcp23018_status = init_mcp23018();
if (mcp23018_status) {
print("left side not responding\n");
} else {
print("left side attached\n");
}
}
}
#ifdef DEBUG_MATRIX_SCAN_RATE
matrix_scan_count++;
uint32_t timer_now = timer_read32();
if (TIMER_DIFF_32(timer_now, matrix_timer)>1000) {
print("matrix scan frequency: ");
pdec(matrix_scan_count);
print("\n");
matrix_timer = timer_now;
matrix_scan_count = 0;
}
#endif
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
select_row(i);
wait_us(30); // without this wait read unstable value.
matrix_row_t mask = debounce_mask(i);
matrix_row_t cols = (read_cols(i) & mask) | (matrix[i] & ~mask);
debounce_report(cols ^ matrix[i], i);
matrix[i] = cols;
unselect_rows();
}
matrix_scan_quantum();
return 1;
}
bool matrix_is_modified(void) // deprecated and evidently not called.
{
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
*
* Teensy
* col: 0 1 2 3 4 5
* pin: F0 F1 F4 F5 F6 F7
*
* MCP23018
* col: 0 1 2 3 4 5
* pin: B5 B4 B3 B2 B1 B0
*/
static void init_cols(void)
{
// init on mcp23018
// not needed, already done as part of init_mcp23018()
// init on teensy
// Input with pull-up(DDR:0, PORT:1)
DDRF &= ~(1<<7 | 1<<6 | 1<<5 | 1<<4 | 1<<1 | 1<<0);
PORTF |= (1<<7 | 1<<6 | 1<<5 | 1<<4 | 1<<1 | 1<<0);
}
static matrix_row_t read_cols(uint8_t row)
{
if (row < 6) {
if (mcp23018_status) { // if there was an error
return 0;
} else {
uint8_t data = 0;
mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(GPIOB); if (mcp23018_status) goto out;
mcp23018_status = i2c_start(I2C_ADDR_READ); if (mcp23018_status) goto out;
data = i2c_readNak();
data = ~data;
out:
i2c_stop();
return data;
}
} else {
// read from teensy
return
(PINF&(1<<0) ? 0 : (1<<0)) |
(PINF&(1<<1) ? 0 : (1<<1)) |
(PINF&(1<<4) ? 0 : (1<<2)) |
(PINF&(1<<5) ? 0 : (1<<3)) |
(PINF&(1<<6) ? 0 : (1<<4)) |
(PINF&(1<<7) ? 0 : (1<<5)) ;
}
}
/* Row pin configuration
*
* Teensy
* row: 6 7 8 9 10 11
* pin: B1 B2 B3 D2 D3 C6
*
* MCP23018
* row: 0 1 2 3 4 5
* pin: A0 A1 A2 A3 A4 A5
*/
static void unselect_rows(void)
{
// unselect on mcp23018
if (mcp23018_status) { // if there was an error
// do nothing
} else {
// set all rows hi-Z : 1
mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(GPIOA); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0xFF); if (mcp23018_status) goto out;
out:
i2c_stop();
}
// unselect on teensy
// Hi-Z(DDR:0, PORT:0) to unselect
DDRB &= ~(1<<1 | 1<<2 | 1<<3);
PORTB &= ~(1<<1 | 1<<2 | 1<<3);
DDRD &= ~(1<<2 | 1<<3);
PORTD &= ~(1<<2 | 1<<3);
DDRC &= ~(1<<6);
PORTC &= ~(1<<6);
}
/* Row pin configuration
*
* Teensy
* row: 6 7 8 9 10 11
* pin: B1 B2 B3 D2 D3 C6
*
* MCP23018
* row: 0 1 2 3 4 5
* pin: A0 A1 A2 A3 A4 A5
*/
static void select_row(uint8_t row)
{
if (row < 6) {
// select on mcp23018
if (mcp23018_status) { // if there was an error
// do nothing
} else {
// set active row low : 0
// set other rows hi-Z : 1
mcp23018_status = i2c_start(I2C_ADDR_WRITE); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(GPIOA); if (mcp23018_status) goto out;
mcp23018_status = i2c_write(0xFF & ~(1<<row)); if (mcp23018_status) goto out;
out:
i2c_stop();
}
} else {
// select on teensy
// Output low(DDR:1, PORT:0) to select
switch (row) {
case 6:
DDRB |= (1<<1);
PORTB &= ~(1<<1);
break;
case 7:
DDRB |= (1<<2);
PORTB &= ~(1<<2);
break;
case 8:
DDRB |= (1<<3);
PORTB &= ~(1<<3);
break;
case 9:
DDRD |= (1<<2);
PORTD &= ~(1<<3);
break;
case 10:
DDRD |= (1<<3);
PORTD &= ~(1<<3);
break;
case 11:
DDRC |= (1<<6);
PORTC &= ~(1<<6);
break;
}
}
}

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# Dactyl
See https://github.com/adereth/dactyl-keyboard
The Dactyl uses the [Teensy Loader](https://www.pjrc.com/teensy/loader.html).
Linux users need to modify udev rules as described on the [Teensy
Linux page]. Some distributions provide a binary, maybe called
`teensy-loader-cli`.
[Teensy Linux page]: https://www.pjrc.com/teensy/loader_linux.html
To flash the firmware:
- Build the firmware with `make handwired-dactyl-keymapname`, for example `make handwired-dactyl-default`
- This will result in a hex file called `handwired_dactyl_keymapname.hex`, e.g.
`handwired_dactyl_default.hex`
- Start the teensy loader.
- Load the .hex file into it.
- Put the Teensy in firmware-loading mode:
* If your current layout has a RESET key, press it.
* If you lack a RESET key, press the reset button on the Teensy board itself.
- Click the button in the Teensy app to download the firmware.
To flash with ´teensy-loader-cli´:
- Build the firmware as above
- Run `<path/to/>teensy_loader_cli -mmcu=atmega32u4 -w handwired_dactyl_<keymap>.hex`
- Put the Teensy in firmware-loading mode:
* If your current layout has a RESET key, press it.
* If you lack a RESET key, press the reset button on the Teensy board itself.

86
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#----------------------------------------------------------------------------
# On command line:
#
# make = Make software.
#
# make clean = Clean out built project files.
#
# That's pretty much all you need. To compile, always go make clean,
# followed by make.
#
# For advanced users only:
# make teensy = Download the hex file to the device, using teensy_loader_cli.
# (must have teensy_loader_cli installed).
#
#----------------------------------------------------------------------------
# # project specific files
SRC = twimaster.c \
matrix.c
# 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 = 16000000
#
# 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)
# Interrupt driven control endpoint task(+60)
OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
# Boot Section Size in *bytes*
# Teensy halfKay 512
# Teensy++ halfKay 1024
# Atmel DFU loader 4096
# LUFA bootloader 4096
# USBaspLoader 2048
OPT_DEFS += -DBOOTLOADER_SIZE=512
# Build Options
# comment out to disable the options.
#
BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration(+1000)
MIDI_ENABLE = no # MIDI support (+2400 to 4200)
POINTING_DEVICE_ENABLE = no
MOUSEKEY_ENABLE = no # Mouse keys(+4700)
EXTRAKEY_ENABLE = yes # Audio control and System control(+450)
CONSOLE_ENABLE = no # Console for debug(+8000)
COMMAND_ENABLE = no # Commands for debug and configuration
CUSTOM_MATRIX = yes # Custom matrix file for the Dactyl
NKRO_ENABLE = yes # USB Nkey Rollover
UNICODE_ENABLE = yes # Unicode
ONEHAND_ENABLE = yes # Allow swapping hands of keyboard
SLEEP_LED_ENABLE = no
API_SYSEX_ENABLE = no
RGBLIGHT_ENABLE = no

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/*************************************************************************
* Title: I2C master library using hardware TWI interface
* Author: Peter Fleury <pfleury@gmx.ch> http://jump.to/fleury
* File: $Id: twimaster.c,v 1.3 2005/07/02 11:14:21 Peter Exp $
* Software: AVR-GCC 3.4.3 / avr-libc 1.2.3
* Target: any AVR device with hardware TWI
* Usage: API compatible with I2C Software Library i2cmaster.h
**************************************************************************/
#include <inttypes.h>
#include <compat/twi.h>
#include <i2cmaster.h>
/* define CPU frequency in Hz here if not defined in Makefile */
#ifndef F_CPU
#define F_CPU 16000000UL
#endif
/* I2C clock in Hz */
#define SCL_CLOCK 400000L
/*************************************************************************
Initialization of the I2C bus interface. Need to be called only once
*************************************************************************/
void i2c_init(void)
{
/* initialize TWI clock
* minimal values in Bit Rate Register (TWBR) and minimal Prescaler
* bits in the TWI Status Register should give us maximal possible
* I2C bus speed - about 444 kHz
*
* for more details, see 20.5.2 in ATmega16/32 secification
*/
TWSR = 0; /* no prescaler */
TWBR = 10; /* must be >= 10 for stable operation */
}/* i2c_init */
/*************************************************************************
Issues a start condition and sends address and transfer direction.
return 0 = device accessible, 1= failed to access device
*************************************************************************/
unsigned char i2c_start(unsigned char address)
{
uint8_t twst;
// send START condition
TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN);
// wait until transmission completed
while(!(TWCR & (1<<TWINT)));
// check value of TWI Status Register. Mask prescaler bits.
twst = TW_STATUS & 0xF8;
if ( (twst != TW_START) && (twst != TW_REP_START)) return 1;
// send device address
TWDR = address;
TWCR = (1<<TWINT) | (1<<TWEN);
// wail until transmission completed and ACK/NACK has been received
while(!(TWCR & (1<<TWINT)));
// check value of TWI Status Register. Mask prescaler bits.
twst = TW_STATUS & 0xF8;
if ( (twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK) ) return 1;
return 0;
}/* i2c_start */
/*************************************************************************
Issues a start condition and sends address and transfer direction.
If device is busy, use ack polling to wait until device is ready
Input: address and transfer direction of I2C device
*************************************************************************/
void i2c_start_wait(unsigned char address)
{
uint8_t twst;
while ( 1 )
{
// send START condition
TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN);
// wait until transmission completed
while(!(TWCR & (1<<TWINT)));
// check value of TWI Status Register. Mask prescaler bits.
twst = TW_STATUS & 0xF8;
if ( (twst != TW_START) && (twst != TW_REP_START)) continue;
// send device address
TWDR = address;
TWCR = (1<<TWINT) | (1<<TWEN);
// wail until transmission completed
while(!(TWCR & (1<<TWINT)));
// check value of TWI Status Register. Mask prescaler bits.
twst = TW_STATUS & 0xF8;
if ( (twst == TW_MT_SLA_NACK )||(twst ==TW_MR_DATA_NACK) )
{
/* device busy, send stop condition to terminate write operation */
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
// wait until stop condition is executed and bus released
while(TWCR & (1<<TWSTO));
continue;
}
//if( twst != TW_MT_SLA_ACK) return 1;
break;
}
}/* i2c_start_wait */
/*************************************************************************
Issues a repeated start condition and sends address and transfer direction
Input: address and transfer direction of I2C device
Return: 0 device accessible
1 failed to access device
*************************************************************************/
unsigned char i2c_rep_start(unsigned char address)
{
return i2c_start( address );
}/* i2c_rep_start */
/*************************************************************************
Terminates the data transfer and releases the I2C bus
*************************************************************************/
void i2c_stop(void)
{
/* send stop condition */
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
// wait until stop condition is executed and bus released
while(TWCR & (1<<TWSTO));
}/* i2c_stop */
/*************************************************************************
Send one byte to I2C device
Input: byte to be transfered
Return: 0 write successful
1 write failed
*************************************************************************/
unsigned char i2c_write( unsigned char data )
{
uint8_t twst;
// send data to the previously addressed device
TWDR = data;
TWCR = (1<<TWINT) | (1<<TWEN);
// wait until transmission completed
while(!(TWCR & (1<<TWINT)));
// check value of TWI Status Register. Mask prescaler bits
twst = TW_STATUS & 0xF8;
if( twst != TW_MT_DATA_ACK) return 1;
return 0;
}/* i2c_write */
/*************************************************************************
Read one byte from the I2C device, request more data from device
Return: byte read from I2C device
*************************************************************************/
unsigned char i2c_readAck(void)
{
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWEA);
while(!(TWCR & (1<<TWINT)));
return TWDR;
}/* i2c_readAck */
/*************************************************************************
Read one byte from the I2C device, read is followed by a stop condition
Return: byte read from I2C device
*************************************************************************/
unsigned char i2c_readNak(void)
{
TWCR = (1<<TWINT) | (1<<TWEN);
while(!(TWCR & (1<<TWINT)));
return TWDR;
}/* i2c_readNak */