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[Keyboard] add claw44 keyboard (#5511)

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* add claw44 keyboard

* Update keyboards/claw44/lib/layer_state_reader.c

Co-Authored-By: yfuku <30647434+yfuku@users.noreply.github.com>

* Update keyboards/claw44/lib/layer_state_reader.c

Co-Authored-By: yfuku <30647434+yfuku@users.noreply.github.com>

* Update keyboards/claw44/lib/layer_state_reader.c

Co-Authored-By: yfuku <30647434+yfuku@users.noreply.github.com>

* Update keyboards/claw44/lib/layer_state_reader.c

Co-Authored-By: yfuku <30647434+yfuku@users.noreply.github.com>

* Update keyboards/claw44/readme.md

Co-Authored-By: yfuku <30647434+yfuku@users.noreply.github.com>

* Remove unnecessary code because of default value

* Move layer definition

* Update keyboards/claw44/keymaps/default/keymap.c

Co-Authored-By: yfuku <30647434+yfuku@users.noreply.github.com>

* Update keyboards/claw44/keymaps/yfuku/keymap.c

Co-Authored-By: yfuku <30647434+yfuku@users.noreply.github.com>

* Update keyboards/claw44/readme.md

Co-Authored-By: yfuku <30647434+yfuku@users.noreply.github.com>

* default keymap. LAYOUT_kc -> LAYOUT macro

* Move rules.mk from keymaps to keyboard level.

* add Hardware Supported, Hardware Availability

* Update keyboards/claw44/keymaps/default/keymap.c

Co-Authored-By: yfuku <30647434+yfuku@users.noreply.github.com>

* Update keyboards/claw44/keymaps/yfuku/keymap.c

Co-Authored-By: yfuku <30647434+yfuku@users.noreply.github.com>

* Remove depreciated function
pull/5520/head
yfuku 6 years ago committed by Drashna Jaelre
parent 4f7dd9edf8
commit 3654d0f080
33 changed files with 3044 additions and 0 deletions
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10
keyboards/claw44/claw44.c
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#include "claw44.h"
#include "ssd1306.h"
bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
#ifdef SSD1306OLED
return process_record_gfx(keycode,record) && process_record_user(keycode, record);
#else
return process_record_user(keycode, record);
#endif
}

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keyboards/claw44/claw44.h
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#pragma once
#ifdef KEYBOARD_claw44_rev1
#include "rev1.h"
#endif

28
keyboards/claw44/config.h
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/*
Copyright 2012 Jun Wako <wakojun@gmail.com>
Copyright 2015 Jack Humbert
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/>.
*/
#pragma once
#include "config_common.h"
#include <serial_config.h>
#define USE_I2C
#define USE_SERIAL
#define NO_ACTION_MACRO
#define NO_ACTION_FUNCTION

162
keyboards/claw44/i2c.c
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#include <util/twi.h>
#include <avr/io.h>
#include <stdlib.h>
#include <avr/interrupt.h>
#include <util/twi.h>
#include <stdbool.h>
#include "i2c.h"
#ifdef USE_I2C
// Limits the amount of we wait for any one i2c transaction.
// Since were running SCL line 100kHz (=> 10μs/bit), and each transactions is
// 9 bits, a single transaction will take around 90μs to complete.
//
// (F_CPU/SCL_CLOCK) => # of μC cycles to transfer a bit
// poll loop takes at least 8 clock cycles to execute
#define I2C_LOOP_TIMEOUT (9+1)*(F_CPU/SCL_CLOCK)/8
#define BUFFER_POS_INC() (slave_buffer_pos = (slave_buffer_pos+1)%SLAVE_BUFFER_SIZE)
volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
static volatile uint8_t slave_buffer_pos;
static volatile bool slave_has_register_set = false;
// Wait for an i2c operation to finish
inline static
void i2c_delay(void) {
uint16_t lim = 0;
while(!(TWCR & (1<<TWINT)) && lim < I2C_LOOP_TIMEOUT)
lim++;
// easier way, but will wait slightly longer
// _delay_us(100);
}
// Setup twi to run at 100kHz or 400kHz (see ./i2c.h SCL_CLOCK)
void i2c_master_init(void) {
// no prescaler
TWSR = 0;
// Set TWI clock frequency to SCL_CLOCK. Need TWBR>10.
// Check datasheets for more info.
TWBR = ((F_CPU/SCL_CLOCK)-16)/2;
}
// Start a transaction with the given i2c slave address. The direction of the
// transfer is set with I2C_READ and I2C_WRITE.
// returns: 0 => success
// 1 => error
uint8_t i2c_master_start(uint8_t address) {
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTA);
i2c_delay();
// check that we started successfully
if ( (TW_STATUS != TW_START) && (TW_STATUS != TW_REP_START))
return 1;
TWDR = address;
TWCR = (1<<TWINT) | (1<<TWEN);
i2c_delay();
if ( (TW_STATUS != TW_MT_SLA_ACK) && (TW_STATUS != TW_MR_SLA_ACK) )
return 1; // slave did not acknowledge
else
return 0; // success
}
// Finish the i2c transaction.
void i2c_master_stop(void) {
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
uint16_t lim = 0;
while(!(TWCR & (1<<TWSTO)) && lim < I2C_LOOP_TIMEOUT)
lim++;
}
// Write one byte to the i2c slave.
// returns 0 => slave ACK
// 1 => slave NACK
uint8_t i2c_master_write(uint8_t data) {
TWDR = data;
TWCR = (1<<TWINT) | (1<<TWEN);
i2c_delay();
// check if the slave acknowledged us
return (TW_STATUS == TW_MT_DATA_ACK) ? 0 : 1;
}
// Read one byte from the i2c slave. If ack=1 the slave is acknowledged,
// if ack=0 the acknowledge bit is not set.
// returns: byte read from i2c device
uint8_t i2c_master_read(int ack) {
TWCR = (1<<TWINT) | (1<<TWEN) | (ack<<TWEA);
i2c_delay();
return TWDR;
}
void i2c_reset_state(void) {
TWCR = 0;
}
void i2c_slave_init(uint8_t address) {
TWAR = address << 0; // slave i2c address
// TWEN - twi enable
// TWEA - enable address acknowledgement
// TWINT - twi interrupt flag
// TWIE - enable the twi interrupt
TWCR = (1<<TWIE) | (1<<TWEA) | (1<<TWINT) | (1<<TWEN);
}
ISR(TWI_vect);
ISR(TWI_vect) {
uint8_t ack = 1;
switch(TW_STATUS) {
case TW_SR_SLA_ACK:
// this device has been addressed as a slave receiver
slave_has_register_set = false;
break;
case TW_SR_DATA_ACK:
// this device has received data as a slave receiver
// The first byte that we receive in this transaction sets the location
// of the read/write location of the slaves memory that it exposes over
// i2c. After that, bytes will be written at slave_buffer_pos, incrementing
// slave_buffer_pos after each write.
if(!slave_has_register_set) {
slave_buffer_pos = TWDR;
// don't acknowledge the master if this memory loctaion is out of bounds
if ( slave_buffer_pos >= SLAVE_BUFFER_SIZE ) {
ack = 0;
slave_buffer_pos = 0;
}
slave_has_register_set = true;
} else {
i2c_slave_buffer[slave_buffer_pos] = TWDR;
BUFFER_POS_INC();
}
break;
case TW_ST_SLA_ACK:
case TW_ST_DATA_ACK:
// master has addressed this device as a slave transmitter and is
// requesting data.
TWDR = i2c_slave_buffer[slave_buffer_pos];
BUFFER_POS_INC();
break;
case TW_BUS_ERROR: // something went wrong, reset twi state
TWCR = 0;
default:
break;
}
// Reset everything, so we are ready for the next TWI interrupt
TWCR |= (1<<TWIE) | (1<<TWINT) | (ack<<TWEA) | (1<<TWEN);
}
#endif

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keyboards/claw44/i2c.h
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#pragma once
#include <stdint.h>
#ifndef F_CPU
#define F_CPU 16000000UL
#endif
#define I2C_READ 1
#define I2C_WRITE 0
#define I2C_ACK 1
#define I2C_NACK 0
#define SLAVE_BUFFER_SIZE 0x10
// i2c SCL clock frequency 400kHz
#define SCL_CLOCK 400000L
extern volatile uint8_t i2c_slave_buffer[SLAVE_BUFFER_SIZE];
void i2c_master_init(void);
uint8_t i2c_master_start(uint8_t address);
void i2c_master_stop(void);
uint8_t i2c_master_write(uint8_t data);
uint8_t i2c_master_read(int);
void i2c_reset_state(void);
void i2c_slave_init(uint8_t address);
static inline unsigned char i2c_start_read(unsigned char addr) {
return i2c_master_start((addr << 1) | I2C_READ);
}
static inline unsigned char i2c_start_write(unsigned char addr) {
return i2c_master_start((addr << 1) | I2C_WRITE);
}
// from SSD1306 scrips
extern unsigned char i2c_rep_start(unsigned char addr);
extern void i2c_start_wait(unsigned char addr);
extern unsigned char i2c_readAck(void);
extern unsigned char i2c_readNak(void);
extern unsigned char i2c_read(unsigned char ack);
#define i2c_read(ack) (ack) ? i2c_readAck() : i2c_readNak();

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keyboards/claw44/keymaps/default/config.h
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/*
This is the c configuration file for the keymap
Copyright 2012 Jun Wako <wakojun@gmail.com>
Copyright 2015 Jack Humbert
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/>.
*/
#pragma once
//#define USE_MATRIX_I2C
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
// #define EE_HANDS
#define SSD1306OLED
#define USE_SERIAL_PD2
#define TAPPING_TERM 200

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keyboards/claw44/keymaps/default/keymap.c
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#include QMK_KEYBOARD_H
#ifdef PROTOCOL_LUFA
#include "lufa.h"
#include "split_util.h"
#endif
#ifdef SSD1306OLED
#include "ssd1306.h"
#endif
extern keymap_config_t keymap_config;
extern uint8_t is_master;
// Each layer gets a name for readability, which is then used in the keymap matrix below.
// The underscores don't mean anything - you can have a layer called STUFF or any other name.
// Layer names don't all need to be of the same length, obviously, and you can also skip them
// entirely and just use numbers.
enum custom_keycodes {
QWERTY = SAFE_RANGE,
LOWER,
RAISE
};
enum macro_keycodes {
KC_SAMPLEMACRO,
};
#define KC_ KC_TRNS
#define KC_RST RESET
#define KC_L_SPC LT(_LOWER, KC_SPC) // lower
#define KC_R_ENT LT(_RAISE, KC_ENT) // raise
#define KC_G_JA LGUI_T(KC_LANG1) // cmd or win
#define KC_G_EN LGUI_T(KC_LANG2) // cmd or win
#define KC_C_BS LCTL_T(KC_BSPC) // ctrl
#define KC_A_DEL ALT_T(KC_DEL) // alt
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
[_QWERTY] = LAYOUT( \
//,--------+--------+---------+--------+---------+--------. ,--------+---------+--------+---------+--------+--------.
KC_ESC , KC_Q , KC_W , KC_E , KC_R , KC_T , KC_Y , KC_U , KC_I , KC_O , KC_P , KC_MINS,
//|--------+--------+---------+--------+---------+--------| |--------+---------+--------+---------+--------+--------|
KC_TAB , KC_A , KC_S , KC_D , KC_F , KC_G , KC_H , KC_J , KC_K , KC_L , KC_SCLN, KC_QUOT,
//|--------+--------+---------+--------+---------+--------| |--------+---------+--------+---------+--------+--------|
KC_LSFT, KC_Z , KC_X , KC_C , KC_V , KC_B , KC_N , KC_M , KC_COMM, KC_DOT , KC_SLSH, KC_RSFT,
//`--------+--------+---------+--------+---------+--------/ \--------+---------+--------+---------+--------+--------'
KC_A_DEL, KC_G_EN, KC_L_SPC, KC_C_BS, KC_C_BS, KC_R_ENT, KC_G_JA, KC_A_DEL
// `----------+--------+---------+--------' `--------+---------+--------+---------'
),
// \ ^ ! & | @ = + * % -
// ( # $ " ' ~ ← ↓ ↑ → ` )
// { [ ] }
[_RAISE] = LAYOUT( \
//,--------+--------+--------+--------+--------+--------. ,--------+--------+--------+--------+--------+--------.
_______, KC_BSLS, KC_CIRC, KC_EXLM, KC_AMPR, KC_PIPE, KC_AT , KC_EQL , KC_PLUS, KC_ASTR, KC_PERC, KC_MINS,
//|--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------|
KC_LPRN, KC_HASH, KC_DLR , KC_DQT , KC_QUOT, KC_TILD, KC_LEFT, KC_DOWN, KC_UP , KC_RGHT, KC_GRV , KC_RPRN,
//|--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------|
_______, _______, _______, _______, KC_LCBR, KC_LBRC, KC_RBRC, KC_RCBR, _______, _______, _______, _______,
//`--------+--------+--------+--------+--------+--------/ \--------+--------+--------+--------+--------+--------'
_______, _______, _______, _______, _______, _______, _______, RESET
// `--------+--------+--------+--------' `--------+--------+--------+--------'
),
[_LOWER] = LAYOUT( \
//,--------+--------+--------+--------+--------+--------. ,--------+--------+--------+--------+--------+--------.
KC_F1 , KC_F2 , KC_F3 , KC_F4 , KC_F5 , KC_F6 , _______, KC_EQL , KC_PLUS, KC_ASTR, KC_PERC, KC_MINS,
//|--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------|
_______, KC_1 , KC_2 , KC_3 , KC_4 , KC_5 , KC_6 , KC_7 , KC_8 , KC_9 , KC_0 , _______,
//|--------+--------+--------+--------+--------+--------| |--------+--------+--------+--------+--------+--------|
KC_F7 , KC_F8 , KC_F9 , KC_F10 , KC_F11 , KC_F12 , _______, _______, KC_COMM, KC_DOT , KC_SLSH, _______,
//`--------+--------+--------+--------+--------+--------/ \--------+--------+--------+--------+--------+--------'
RESET , _______, _______, _______, _______, _______, _______, _______
// `--------+--------+--------+--------' `--------+--------+--------+--------'
),
};
void matrix_init_user(void) {
//SSD1306 OLED init, make sure to add #define SSD1306OLED in config.h
#ifdef SSD1306OLED
iota_gfx_init(!has_usb()); // turns on the display
#endif
}
//SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
#ifdef SSD1306OLED
// When add source files to SRC in rules.mk, you can use functions.
const char *read_layer_state(void);
const char *read_logo(void);
void set_keylog(uint16_t keycode, keyrecord_t *record);
const char *read_keylog(void);
const char *read_keylogs(void);
// const char *read_mode_icon(bool swap);
// const char *read_host_led_state(void);
// void set_timelog(void);
// const char *read_timelog(void);
void matrix_scan_user(void) {
iota_gfx_task();
}
void matrix_render_user(struct CharacterMatrix *matrix) {
if (is_master) {
// If you want to change the display of OLED, you need to change here
matrix_write_ln(matrix, read_layer_state());
matrix_write_ln(matrix, read_keylog());
matrix_write_ln(matrix, read_keylogs());
//matrix_write_ln(matrix, read_mode_icon(keymap_config.swap_lalt_lgui));
//matrix_write_ln(matrix, read_host_led_state());
//matrix_write_ln(matrix, read_timelog());
} else {
matrix_write(matrix, read_logo());
}
}
void matrix_update(struct CharacterMatrix *dest, const struct CharacterMatrix *source) {
if (memcmp(dest->display, source->display, sizeof(dest->display))) {
memcpy(dest->display, source->display, sizeof(dest->display));
dest->dirty = true;
}
}
void iota_gfx_task_user(void) {
struct CharacterMatrix matrix;
matrix_clear(&matrix);
matrix_render_user(&matrix);
matrix_update(&display, &matrix);
}
#endif//SSD1306OLED
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
if (record->event.pressed) {
#ifdef SSD1306OLED
set_keylog(keycode, record);
#endif
// set_timelog();
}
switch (keycode) {
case QWERTY:
if (record->event.pressed) {
set_single_persistent_default_layer(_QWERTY);
}
return false;
break;
case LOWER:
if (record->event.pressed) {
layer_on(_LOWER);
} else {
layer_off(_LOWER);
}
return false;
break;
case RAISE:
if (record->event.pressed) {
layer_on(_RAISE);
} else {
layer_off(_RAISE);
}
return false;
break;
}
return true;
}

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keyboards/claw44/keymaps/yfuku/config.h
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/*
This is the c configuration file for the keymap
Copyright 2012 Jun Wako <wakojun@gmail.com>
Copyright 2015 Jack Humbert
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/>.
*/
#pragma once
//#define USE_MATRIX_I2C
/* Select hand configuration */
#define MASTER_LEFT
// #define MASTER_RIGHT
// #define EE_HANDS
#define SSD1306OLED
#define USE_SERIAL_PD2
#define TAPPING_TERM 180
#define IGNORE_MOD_TAP_INTERRUPT

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keyboards/claw44/keymaps/yfuku/keymap.c
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#include QMK_KEYBOARD_H
#ifdef PROTOCOL_LUFA
#include "lufa.h"
#include "split_util.h"
#endif
#ifdef SSD1306OLED
#include "ssd1306.h"
#endif
extern keymap_config_t keymap_config;
extern uint8_t is_master;
// Each layer gets a name for readability, which is then used in the keymap matrix below.
// The underscores don't mean anything - you can have a layer called STUFF or any other name.
// Layer names don't all need to be of the same length, obviously, and you can also skip them
// entirely and just use numbers.
enum custom_keycodes {
QWERTY = SAFE_RANGE,
LOWER,
RAISE
};
enum macro_keycodes {
KC_SAMPLEMACRO,
};
// common
#define KC_ KC_TRNS
#define KC_XXXX KC_NO
#define KC_RST RESET
#define KC_VD KC__VOLDOWN
#define KC_VU KC__VOLUP
// layer
#define KC_L_SPC LT(_LOWER, KC_SPC)
#define KC_R_ENT LT(_RAISE, KC_ENT)
// shift_t
#define KC_S_TAB LSFT_T(KC_TAB)
#define KC_S_ESC LSFT_T(KC_ESC)
#define KC_S_JA LSFT_T(KC_LANG1)
#define KC_S_EN LSFT_T(KC_LANG2)
// cmd_t
#define KC_M_F LCMD_T(KC_F)
#define KC_M_D LCMD_T(KC_D)
#define KC_M_J LCMD_T(KC_J)
#define KC_M_K LCMD_T(KC_K)
// ctl_t
#define KC_C_S LCTL_T(KC_S)
#define KC_C_L LCTL_T(KC_L)
#define KC_C_BS LCTL_T(KC_BSPC)
// alt_t
#define KC_A_D ALT_T(KC_D)
#define KC_A_K ALT_T(KC_K)
#define KC_A_Z ALT_T(KC_Z)
#define KC_A_SL ALT_T(KC_SLSH)
#define KC_A_DEL ALT_T(KC_DEL)
// cmd+shift_t
#define KC_MS_Q SCMD_T(KC_Q)
#define KC_MS_A SCMD_T(KC_A)
#define KC_MS_S SCMD_T(KC_S)
#define KC_MS_SC SCMD_T(KC_SCLN)
#define KC_MS_ESC SCMD_T(KC_ESC)
//
#define KC_MR RCMD(KC_R)
#define KC_MF RCMD(KC_F)
#define KC_MW RCMD(KC_W)
#define KC_MX RCMD(KC_X)
#define KC_MC RCMD(KC_C)
#define KC_MV RCMD(KC_V)
#define KC_MTAB RCMD(KC_TAB)
#define KC_MSF RCMD(RSFT(KC_F))
#define KC_MSR RCMD(RSFT(KC_R))
#define KC_MST RCMD(RSFT(KC_T))
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
// M_ = LCMD_T(
// A_ = ALT_T(
// C_ = LCTL_T(
// MS_ = SMD_T(
// R_ = LT(_RAISE
// L_ = LT(_LOWER
[_QWERTY] = LAYOUT_kc( \
//,----+----+----+----+----+----. ,----+----+----+----+----+----.
ESC , Q , W , E , R , T , Y , U , I , O , P ,MINS,
//|----+----+----+----+----+----| |----+----+----+----+----+----|
S_TAB, A ,C_S , D ,M_F , G , H ,M_J , K ,C_L ,SCLN,S_ESC,
//|----+----+----+----+----+----+ |----+----+----+----+----+----|
, Z , X , C , V , B , N , M ,COMM,DOT ,SLSH, ,
//`----+----+----+----+----+----/ \----+----+----+----+----+----'
A_DEL,S_EN,L_SPC,C_BS, C_BS,R_ENT,S_JA,A_DEL
// `----+----+----+----' `----+----+----+----'
),
// \ ^ ! & | @ = + * % -
// ( # $ " ' ~ ← ↓ ↑ → ` )
// { [ ] }
[_RAISE] = LAYOUT_kc( \
//,----+----+----+----+----+----. ,----+----+----+----+----+----.
,BSLS,CIRC,EXLM,AMPR,PIPE, AT ,EQL ,PLUS,ASTR,PERC,MINS,
//|----+----+----+----+----+----| |----+----+----+----+----+----|
LPRN,HASH,DLR ,DQT ,QUOT,TILD, LEFT,DOWN, UP ,RGHT,GRV ,RPRN,
//|----+----+----+----+----+----| |----+----+----+----+----+----|
, , , ,LCBR,LBRC, RBRC,RCBR, , , , ,
//`----+----+----+----+----+----/ \----+----+----+----+----+----'
, ,BSPC, , , , ,RST
// `----+----+----+----' `----+----+----+----'
),
[_LOWER] = LAYOUT_kc( \
//,----+----+----+----+----+----. ,----+----+----+----+----+----.
, , ,MSF ,MSR ,MST , ,EQL ,PLUS,ASTR,PERC,MINS,
//|----+----+----+----+----+----| |----+----+----+----+----+----|
, 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 0 , ,
//|----+----+----+----+----+----| |----+----+----+----+----+----|
, , , , , , , ,COMM,DOT ,SLSH, ,
//`----+----+----+--+-+----+----/ \----+----+----+----+----+----'
RST , , , , ,DEL , ,
// `----+----+----+----' `----+----+----+----'
),
};
void matrix_init_user(void) {
//SSD1306 OLED init, make sure to add #define SSD1306OLED in config.h
#ifdef SSD1306OLED
iota_gfx_init(!has_usb()); // turns on the display
#endif
}
//SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
#ifdef SSD1306OLED
// When add source files to SRC in rules.mk, you can use functions.
const char *read_layer_state(void);
const char *read_logo(void);
void set_keylog(uint16_t keycode, keyrecord_t *record);
const char *read_keylog(void);
const char *read_keylogs(void);
// const char *read_mode_icon(bool swap);
// const char *read_host_led_state(void);
// void set_timelog(void);
// const char *read_timelog(void);
void matrix_scan_user(void) {
iota_gfx_task();
}
void matrix_render_user(struct CharacterMatrix *matrix) {
if (is_master) {
// If you want to change the display of OLED, you need to change here
matrix_write_ln(matrix, read_layer_state());
matrix_write_ln(matrix, read_keylog());
matrix_write_ln(matrix, read_keylogs());
//matrix_write_ln(matrix, read_mode_icon(keymap_config.swap_lalt_lgui));
//matrix_write_ln(matrix, read_host_led_state());
//matrix_write_ln(matrix, read_timelog());
} else {
matrix_write(matrix, read_logo());
}
}
void matrix_update(struct CharacterMatrix *dest, const struct CharacterMatrix *source) {
if (memcmp(dest->display, source->display, sizeof(dest->display))) {
memcpy(dest->display, source->display, sizeof(dest->display));
dest->dirty = true;
}
}
void iota_gfx_task_user(void) {
struct CharacterMatrix matrix;
matrix_clear(&matrix);
matrix_render_user(&matrix);
matrix_update(&display, &matrix);
}
#endif//SSD1306OLED
bool process_record_user(uint16_t keycode, keyrecord_t *record) {
if (record->event.pressed) {
#ifdef SSD1306OLED
set_keylog(keycode, record);
#endif
// set_timelog();
}
switch (keycode) {
case QWERTY:
if (record->event.pressed) {
set_single_persistent_default_layer(_QWERTY);
}
return false;
break;
case LOWER:
if (record->event.pressed) {
layer_on(_LOWER);
} else {
layer_off(_LOWER);
}
return false;
break;
case RAISE:
if (record->event.pressed) {
layer_on(_RAISE);
} else {
layer_off(_RAISE);
}
return false;
break;
}
return true;
}

243
keyboards/claw44/lib/glcdfont.c
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// This is the 'classic' fixed-space bitmap font for Adafruit_GFX since 1.0.
// See gfxfont.h for newer custom bitmap font info.
#ifndef FONT5X7_H
#define FONT5X7_H
#ifdef __AVR__
#include <avr/io.h>
#include <avr/pgmspace.h>
#elif defined(ESP8266)
#include <pgmspace.h>
#else
#define PROGMEM
#endif
// Standard ASCII 5x7 font
const unsigned char font[] PROGMEM = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x3E, 0x5B, 0x4F, 0x5B, 0x3E, 0x00,
0x3E, 0x6B, 0x4F, 0x6B, 0x3E, 0x00,
0x1C, 0x3E, 0x7C, 0x3E, 0x1C, 0x00,
0x18, 0x3C, 0x7E, 0x3C, 0x18, 0x00,
0x1C, 0x57, 0x7D, 0x57, 0x1C, 0x00,
0x1C, 0x5E, 0x7F, 0x5E, 0x1C, 0x00,
0x00, 0x18, 0x3C, 0x18, 0x00, 0x00,
0xFF, 0xE7, 0xC3, 0xE7, 0xFF, 0x00,
0x00, 0x18, 0x24, 0x18, 0x00, 0x00,
0xFF, 0xE7, 0xDB, 0xE7, 0xFF, 0x00,
0x30, 0x48, 0x3A, 0x06, 0x0E, 0x00,
0x26, 0x29, 0x79, 0x29, 0x26, 0x00,
0x40, 0x7F, 0x05, 0x05, 0x07, 0x00,
0x40, 0x7F, 0x05, 0x25, 0x3F, 0x00,
0x5A, 0x3C, 0xE7, 0x3C, 0x5A, 0x00,
0x7F, 0x3E, 0x1C, 0x1C, 0x08, 0x00,
0x08, 0x1C, 0x1C, 0x3E, 0x7F, 0x00,
0x14, 0x22, 0x7F, 0x22, 0x14, 0x00,
0x5F, 0x5F, 0x00, 0x5F, 0x5F, 0x00,
0x06, 0x09, 0x7F, 0x01, 0x7F, 0x00,
0x00, 0x66, 0x89, 0x95, 0x6A, 0x00,
0x60, 0x60, 0x60, 0x60, 0x60, 0x00,
0x94, 0xA2, 0xFF, 0xA2, 0x94, 0x00,
0x08, 0x04, 0x7E, 0x04, 0x08, 0x00,
0x10, 0x20, 0x7E, 0x20, 0x10, 0x00,
0x08, 0x08, 0x2A, 0x1C, 0x08, 0x00,
0x08, 0x1C, 0x2A, 0x08, 0x08, 0x00,
0x1E, 0x10, 0x10, 0x10, 0x10, 0x00,
0x0C, 0x1E, 0x0C, 0x1E, 0x0C, 0x00,
0x30, 0x38, 0x3E, 0x38, 0x30, 0x00,
0x06, 0x0E, 0x3E, 0x0E, 0x06, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x5F, 0x00, 0x00, 0x00,
0x00, 0x07, 0x00, 0x07, 0x00, 0x00,
0x14, 0x7F, 0x14, 0x7F, 0x14, 0x00,
0x24, 0x2A, 0x7F, 0x2A, 0x12, 0x00,
0x23, 0x13, 0x08, 0x64, 0x62, 0x00,
0x36, 0x49, 0x56, 0x20, 0x50, 0x00,
0x00, 0x08, 0x07, 0x03, 0x00, 0x00,
0x00, 0x1C, 0x22, 0x41, 0x00, 0x00,
0x00, 0x41, 0x22, 0x1C, 0x00, 0x00,
0x2A, 0x1C, 0x7F, 0x1C, 0x2A, 0x00,
0x08, 0x08, 0x3E, 0x08, 0x08, 0x00,
0x00, 0x80, 0x70, 0x30, 0x00, 0x00,
0x08, 0x08, 0x08, 0x08, 0x08, 0x00,
0x00, 0x00, 0x60, 0x60, 0x00, 0x00,
0x20, 0x10, 0x08, 0x04, 0x02, 0x00,
0x3E, 0x51, 0x49, 0x45, 0x3E, 0x00,
0x00, 0x42, 0x7F, 0x40, 0x00, 0x00,
0x72, 0x49, 0x49, 0x49, 0x46, 0x00,
0x21, 0x41, 0x49, 0x4D, 0x33, 0x00,
0x18, 0x14, 0x12, 0x7F, 0x10, 0x00,
0x27, 0x45, 0x45, 0x45, 0x39, 0x00,
0x3C, 0x4A, 0x49, 0x49, 0x31, 0x00,
0x41, 0x21, 0x11, 0x09, 0x07, 0x00,
0x36, 0x49, 0x49, 0x49, 0x36, 0x00,
0x46, 0x49, 0x49, 0x29, 0x1E, 0x00,
0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
0x00, 0x40, 0x34, 0x00, 0x00, 0x00,
0x00, 0x08, 0x14, 0x22, 0x41, 0x00,
0x14, 0x14, 0x14, 0x14, 0x14, 0x00,
0x00, 0x41, 0x22, 0x14, 0x08, 0x00,
0x02, 0x01, 0x59, 0x09, 0x06, 0x00,
0x3E, 0x41, 0x5D, 0x59, 0x4E, 0x00,
0x7C, 0x12, 0x11, 0x12, 0x7C, 0x00,
0x7F, 0x49, 0x49, 0x49, 0x36, 0x00,
0x3E, 0x41, 0x41, 0x41, 0x22, 0x00,
0x7F, 0x41, 0x41, 0x41, 0x3E, 0x00,
0x7F, 0x49, 0x49, 0x49, 0x41, 0x00,
0x7F, 0x09, 0x09, 0x09, 0x01, 0x00,
0x3E, 0x41, 0x41, 0x51, 0x73, 0x00,
0x7F, 0x08, 0x08, 0x08, 0x7F, 0x00,
0x00, 0x41, 0x7F, 0x41, 0x00, 0x00,
0x20, 0x40, 0x41, 0x3F, 0x01, 0x00,
0x7F, 0x08, 0x14, 0x22, 0x41, 0x00,
0x7F, 0x40, 0x40, 0x40, 0x40, 0x00,
0x7F, 0x02, 0x1C, 0x02, 0x7F, 0x00,
0x7F, 0x04, 0x08, 0x10, 0x7F, 0x00,
0x3E, 0x41, 0x41, 0x41, 0x3E, 0x00,
0x7F, 0x09, 0x09, 0x09, 0x06, 0x00,
0x3E, 0x41, 0x51, 0x21, 0x5E, 0x00,
0x7F, 0x09, 0x19, 0x29, 0x46, 0x00,
0x26, 0x49, 0x49, 0x49, 0x32, 0x00,
0x03, 0x01, 0x7F, 0x01, 0x03, 0x00,
0x3F, 0x40, 0x40, 0x40, 0x3F, 0x00,
0x1F, 0x20, 0x40, 0x20, 0x1F, 0x00,
0x3F, 0x40, 0x38, 0x40, 0x3F, 0x00,
0x63, 0x14, 0x08, 0x14, 0x63, 0x00,
0x03, 0x04, 0x78, 0x04, 0x03, 0x00,
0x61, 0x59, 0x49, 0x4D, 0x43, 0x00,
0x00, 0x7F, 0x41, 0x41, 0x41, 0x00,
0x02, 0x04, 0x08, 0x10, 0x20, 0x00,
0x00, 0x41, 0x41, 0x41, 0x7F, 0x00,
0x04, 0x02, 0x01, 0x02, 0x04, 0x00,
0x40, 0x40, 0x40, 0x40, 0x40, 0x00,
0x00, 0x03, 0x07, 0x08, 0x00, 0x00,
0x20, 0x54, 0x54, 0x78, 0x40, 0x00,
0x7F, 0x28, 0x44, 0x44, 0x38, 0x00,
0x38, 0x44, 0x44, 0x44, 0x28, 0x00,
0x38, 0x44, 0x44, 0x28, 0x7F, 0x00,
0x38, 0x54, 0x54, 0x54, 0x18, 0x00,
0x00, 0x08, 0x7E, 0x09, 0x02, 0x00,
0x18, 0x24, 0x24, 0x1C, 0x78, 0x00,
0x7F, 0x08, 0x04, 0x04, 0x78, 0x00,
0x00, 0x44, 0x7D, 0x40, 0x00, 0x00,
0x20, 0x40, 0x40, 0x3D, 0x00, 0x00,
0x7F, 0x10, 0x28, 0x44, 0x00, 0x00,
0x00, 0x41, 0x7F, 0x40, 0x00, 0x00,
0x7C, 0x04, 0x78, 0x04, 0x78, 0x00,
0x7C, 0x08, 0x04, 0x04, 0x78, 0x00,
0x38, 0x44, 0x44, 0x44, 0x38, 0x00,
0x7C, 0x18, 0x24, 0x24, 0x18, 0x00,
0x18, 0x24, 0x24, 0x18, 0x7C, 0x00,
0x7C, 0x08, 0x04, 0x04, 0x08, 0x00,
0x48, 0x54, 0x54, 0x54, 0x24, 0x00,
0x04, 0x04, 0x3F, 0x44, 0x24, 0x00,
0x3C, 0x40, 0x40, 0x20, 0x7C, 0x00,
0x1C, 0x20, 0x40, 0x20, 0x1C, 0x00,
0x3C, 0x40, 0x30, 0x40, 0x3C, 0x00,
0x44, 0x28, 0x10, 0x28, 0x44, 0x00,
0x4C, 0x90, 0x90, 0x90, 0x7C, 0x00,
0x44, 0x64, 0x54, 0x4C, 0x44, 0x00,
0x00, 0x08, 0x36, 0x41, 0x00, 0x00,
0x00, 0x00, 0x77, 0x00, 0x00, 0x00,
0x00, 0x41, 0x36, 0x08, 0x00, 0x00,
0x02, 0x01, 0x02, 0x04, 0x02, 0x00,
0x3C, 0x26, 0x23, 0x26, 0x3C, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x80, 0x80, 0x80, 0x80, 0x80,
0x80, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xFC, 0xFC, 0xFC, 0xFC, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
0x00, 0x80, 0x80, 0x80, 0x80, 0x00,
0x00, 0x00, 0x00, 0x00, 0x80, 0x80,
0x80, 0x80, 0x00, 0x00, 0x00, 0x00,
0x00, 0x80, 0xC0, 0xF0, 0xF8, 0xF8,
0xF8, 0xF8, 0xF8, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
0xE0, 0xF8, 0xF8, 0xF8, 0xF8, 0xF8,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xE0, 0xF0, 0xF0, 0xF0, 0xE0, 0xEC,
0xEE, 0xF7, 0xF3, 0x70, 0x20, 0x00,
0x7C, 0x7C, 0x7C, 0x7E, 0x00, 0x7E,
0x7E, 0x7E, 0x7F, 0x7F, 0x7F, 0x00,
0x00, 0x80, 0xC0, 0xE0, 0x7E, 0x5B,
0x4F, 0x5B, 0xFE, 0xC0, 0x00, 0x00,
0xC0, 0x00, 0xDC, 0xD7, 0xDE, 0xDE,
0xDE, 0xD7, 0xDC, 0x00, 0xC0, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xF8, 0xFC, 0xFE,
0xFF, 0x1F, 0x07, 0x07, 0x07, 0x07,
0x1F, 0x1F, 0x1F, 0x1E, 0x18, 0x00,
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00,
0x00, 0x00, 0x00, 0x9E, 0xDF, 0xDF,
0xCF, 0xC7, 0xE7, 0xE7, 0xE7, 0xFF,
0xFF, 0xFF, 0xFE, 0x00, 0x00, 0x03,
0x3F, 0xFF, 0xFF, 0xFE, 0xC0, 0x00,
0xF0, 0xFF, 0xFF, 0x1F, 0xFF, 0xFF,
0xF0, 0x00, 0xC0, 0xFC, 0xFF, 0xFF,
0x3F, 0x03, 0x00, 0xC0, 0xF0, 0xF8,
0xFE, 0x9F, 0x87, 0x83, 0x80, 0xFF,
0xFF, 0xFF, 0xFF, 0x80, 0x80, 0x00,
0x00, 0xE0, 0xF8, 0xFC, 0xBF, 0x8F,
0x83, 0x81, 0xFF, 0xFF, 0xFF, 0xFF,
0x80, 0x80, 0x80, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x0F, 0x1F, 0x3F, 0x7F, 0x7F, 0x7F,
0x7F, 0x7F, 0x3F, 0x1E, 0x0C, 0x00,
0x1F, 0x1F, 0x1F, 0x3F, 0x00, 0x3F,
0x3F, 0x3F, 0x7F, 0x7F, 0x7F, 0x00,
0x30, 0x7B, 0x7F, 0x78, 0x30, 0x20,
0x20, 0x30, 0x78, 0x7F, 0x3B, 0x00,
0x03, 0x00, 0x0F, 0x7F, 0x0F, 0x0F,
0x0F, 0x7F, 0x0F, 0x00, 0x03, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x07, 0x1F, 0x3F,
0x7F, 0x7C, 0x78, 0x70, 0x70, 0x78,
0x7E, 0x3E, 0x3E, 0x0E, 0x06, 0x00,
0x00, 0x7F, 0x7F, 0x7F, 0x7F, 0x00,
0x00, 0x00, 0x1F, 0x3F, 0x7F, 0x7F,
0x79, 0x71, 0x70, 0x30, 0x38, 0x3F,
0x7F, 0x7F, 0x7F, 0x60, 0x00, 0x00,
0x00, 0x01, 0x1F, 0x7F, 0x7F, 0x7E,
0x7F, 0x1F, 0x01, 0x00, 0x01, 0x3F,
0x7F, 0x7E, 0x7F, 0x7F, 0x0F, 0x01,
0x00, 0x00, 0x00, 0x03, 0x03, 0x03,
0x03, 0x03, 0x03, 0x03, 0x03, 0x7F,
0x7F, 0x7F, 0x7F, 0x03, 0x03, 0x00,
0x00, 0x03, 0x03, 0x03, 0x03, 0x03,
0x03, 0x03, 0x7F, 0x7F, 0x7F, 0x7F,
0x07, 0x03, 0x03, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
#endif // FONT5X7_H

15
keyboards/claw44/lib/host_led_state_reader.c
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#include <stdio.h>
#include "claw44.h"
char host_led_state_str[24];
const char *read_host_led_state(void)
{
uint8_t leds = host_keyboard_leds();
snprintf(host_led_state_str, sizeof(host_led_state_str), "NL:%s CL:%s SL:%s",
(leds & (1 << USB_LED_NUM_LOCK)) ? "on" : "- ",
(leds & (1 << USB_LED_CAPS_LOCK)) ? "on" : "- ",
(leds & (1 << USB_LED_SCROLL_LOCK)) ? "on" : "- ");
return host_led_state_str;
}

45
keyboards/claw44/lib/keylogger.c
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#include <stdio.h>
#include "claw44.h"
char keylog_str[24] = {};
char keylogs_str[21] = {};
int keylogs_str_idx = 0;
const char code_to_name[60] = {
' ', ' ', ' ', ' ', 'a', 'b', 'c', 'd', 'e', 'f',
'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p',
'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z',
'1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
'R', 'E', 'B', 'T', ' ', ' ', ' ', ' ', ' ', ' ',
' ', ';', '\'', ' ', ',', '.', '/', ' ', ' ', ' '};
void set_keylog(uint16_t keycode, keyrecord_t *record) {
char name = ' ';
if (keycode < 60) {
name = code_to_name[keycode];
}
// update keylog
snprintf(keylog_str, sizeof(keylog_str), "%dx%d, k%2d : %c",
record->event.key.row, record->event.key.col,
keycode, name);
// update keylogs
if (keylogs_str_idx == sizeof(keylogs_str) - 1) {
keylogs_str_idx = 0;
for (int i = 0; i < sizeof(keylogs_str) - 1; i++) {
keylogs_str[i] = ' ';
}
}
keylogs_str[keylogs_str_idx] = name;
keylogs_str_idx++;
}
const char *read_keylog(void) {
return keylog_str;
}
const char *read_keylogs(void) {
return keylogs_str;
}

35
keyboards/claw44/lib/layer_state_reader.c
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#include QMK_KEYBOARD_H
#include <stdio.h>
#include "claw44.h"
#define L_BASE 0
#define L_LOWER (1<<_LOWER)
#define L_RAISE (1<<_RAISE)
#define L_ADJUST (1<<_ADJUST)
#define L_ADJUST_TRI (L_ADJUST|L_RAISE|L_LOWER)
char layer_state_str[24];
const char *read_layer_state(void) {
switch (layer_state)
{
case L_BASE:
snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Default");
break;
case L_RAISE:
snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Raise");
break;
case L_LOWER:
snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Lower");
break;
case L_ADJUST:
case L_ADJUST_TRI:
snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Adjust");
break;
default:
snprintf(layer_state_str, sizeof(layer_state_str), "Layer: Undef-%ld", layer_state);
}
return layer_state_str;
}

11
keyboards/claw44/lib/logo_reader.c
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#include "claw44.h"
const char *read_logo(void) {
static char logo[] = {
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4,
0};
return logo;
}

15
keyboards/claw44/lib/mode_icon_reader.c
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#include <stdio.h>
#include "claw44.h"
char mode_icon[24];
const char *read_mode_icon(bool swap) {
static char logo[][2][3] = {{{0x95, 0x96, 0}, {0xb5, 0xb6, 0}}, {{0x97, 0x98, 0}, {0xb7, 0xb8, 0}}};
if (swap == false) {
snprintf(mode_icon, sizeof(mode_icon), "%s\n%s", logo[0][0], logo[0][1]);
} else {
snprintf(mode_icon, sizeof(mode_icon), "%s\n%s", logo[1][0], logo[1][1]);
}
return mode_icon;
}

15
keyboards/claw44/lib/rgb_state_reader.c
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#ifdef RGBLIGHT_ENABLE
#include QMK_KEYBOARD_H
#include <stdio.h>
extern rgblight_config_t rgblight_config;
char rbf_info_str[24];
const char *read_rgb_info(void) {
snprintf(rbf_info_str, sizeof(rbf_info_str), "%s %2d h%3d s%3d v%3d",
rgblight_config.enable ? "on" : "- ", rgblight_config.mode,
rgblight_config.hue, rgblight_config.sat, rgblight_config.val);
return rbf_info_str;
}
#endif

16
keyboards/claw44/lib/timelogger.c
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#include <stdio.h>
#include "claw44.h"
char timelog_str[24] = {};
int last_time = 0;
int elapsed_time = 0;
void set_timelog(void) {
elapsed_time = timer_elapsed(last_time);
last_time = timer_read();
snprintf(timelog_str, sizeof(timelog_str), "lt:%5d, et:%5d", last_time, elapsed_time);
}
const char *read_timelog(void) {
return timelog_str;
}

15
keyboards/claw44/readme.md
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# Claw44
![Claw44](https://i.imgur.com/5a8iogl.jpg)
A split keyboard with 3x6 vertically staggered keys and 4 thumb keys.
Keyboard Maintainer: [@yfuku_](https://twitter.com/yfuku_)
Hardware Supported: Claw44 PCB, ProMicro
Hardware Availability: https://yfuku.booth.pm/
Make example for this keyboard (after setting up your build environment):
make claw44:default
See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).

76
keyboards/claw44/rev1/config.h
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/*
Copyright 2012 Jun Wako <wakojun@gmail.com>
Copyright 2015 Jack Humbert
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/>.
*/
#pragma once
/* USB Device descriptor parameter */
#define VENDOR_ID 0xFEED
#define PRODUCT_ID 0x3060
#define DEVICE_VER 0x0001
#define MANUFACTURER yfuku
#define PRODUCT claw44
#define DESCRIPTION A split keyboard with 3x6 vertically staggered keys and 4 thumb keys
/* key matrix size */
// Rows are doubled-up
#define MATRIX_ROWS 8
#define MATRIX_COLS 7
#define MATRIX_ROW_PINS { D4, C6, D7, E6 }
// wiring of each half
#define MATRIX_COL_PINS { F4, F5, F6, F7, B1, B3, B2 }
// #define MATRIX_COL_PINS { B2, B3, B1, F7, F6, F5, F4 } //uncomment this line and comment line above if you need to reverse left-to-right key order
/* define if matrix has ghost */
//#define MATRIX_HAS_GHOST
/* number of backlight levels */
// #define BACKLIGHT_LEVELS 3
/* Set 0 if debouncing isn't needed */
#define DEBOUNCING_DELAY 5
/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
//#define LOCKING_SUPPORT_ENABLE
/* Locking resynchronize hack */
//#define LOCKING_RESYNC_ENABLE
/* ws2812 RGB LED */
/*
#define RGB_DI_PIN D3
#define RGBLED_NUM 12 // Number of LEDs
*/
/*
* Feature disable options
* These options are also useful to firmware size reduction.
*/
/* disable debug print */
// #define NO_DEBUG
/* disable print */
// #define NO_PRINT
/* disable action features */
//#define NO_ACTION_LAYER
//#define NO_ACTION_TAPPING
//#define NO_ACTION_ONESHOT
//#define NO_ACTION_MACRO
//#define NO_ACTION_FUNCTION

357
keyboards/claw44/rev1/matrix.c
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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/>.
*/
/*
* scan matrix
*/
#include <stdint.h>
#include <stdbool.h>
#include <string.h>
#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include "print.h"
#include "debug.h"
#include "util.h"
#include "matrix.h"
#include "split_util.h"
#include "pro_micro.h"
#ifdef USE_MATRIX_I2C
# include "i2c.h"
#else // USE_SERIAL
# include "split_scomm.h"
#endif
#ifndef DEBOUNCE
# define DEBOUNCE 5
#endif
#define ERROR_DISCONNECT_COUNT 5
static uint8_t debouncing = DEBOUNCE;
static const int ROWS_PER_HAND = MATRIX_ROWS/2;
static uint8_t error_count = 0;
uint8_t is_master = 0 ;
static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
/* 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);
static uint8_t matrix_master_scan(void);
__attribute__ ((weak))
void matrix_init_kb(void) {
matrix_init_user();
}
__attribute__ ((weak))
void matrix_scan_kb(void) {
matrix_scan_user();
}
__attribute__ ((weak))
void matrix_init_user(void) {
}
__attribute__ ((weak))
void matrix_scan_user(void) {
}
inline
uint8_t matrix_rows(void)
{
return MATRIX_ROWS;
}
inline
uint8_t matrix_cols(void)
{
return MATRIX_COLS;
}
void matrix_init(void)
{
debug_enable = true;
debug_matrix = true;
debug_mouse = true;
// initialize row and col
unselect_rows();
init_cols();
TX_RX_LED_INIT;
TXLED0;
RXLED0;
// initialize matrix state: all keys off
for (uint8_t i=0; i < MATRIX_ROWS; i++) {
matrix[i] = 0;
matrix_debouncing[i] = 0;
}
is_master = has_usb();
matrix_init_quantum();
}
uint8_t _matrix_scan(void)
{
// Right hand is stored after the left in the matirx so, we need to offset it
int offset = isLeftHand ? 0 : (ROWS_PER_HAND);
for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
select_row(i);
_delay_us(30); // without this wait read unstable value.
matrix_row_t cols = read_cols();
if (matrix_debouncing[i+offset] != cols) {
matrix_debouncing[i+offset] = cols;
debouncing = DEBOUNCE;
}
unselect_rows();
}
if (debouncing) {
if (--debouncing) {
_delay_ms(1);
} else {
for (uint8_t i = 0; i < ROWS_PER_HAND; i++) {
matrix[i+offset] = matrix_debouncing[i+offset];
}
}
}
return 1;
}
#ifdef USE_MATRIX_I2C
// Get rows from other half over i2c
int i2c_transaction(void) {
int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
int err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE);
if (err) goto i2c_error;
// start of matrix stored at 0x00
err = i2c_master_write(0x00);
if (err) goto i2c_error;
// Start read
err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ);
if (err) goto i2c_error;
if (!err) {
int i;
for (i = 0; i < ROWS_PER_HAND-1; ++i) {
matrix[slaveOffset+i] = i2c_master_read(I2C_ACK);
}
matrix[slaveOffset+i] = i2c_master_read(I2C_NACK);
i2c_master_stop();
} else {
i2c_error: // the cable is disconnceted, or something else went wrong
i2c_reset_state();
return err;
}
return 0;
}
#else // USE_SERIAL
int serial_transaction(int master_changed) {
int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
#ifdef SERIAL_USE_MULTI_TRANSACTION
int ret=serial_update_buffers(master_changed);
#else
int ret=serial_update_buffers();
#endif
if (ret ) {
if(ret==2) RXLED1;
return 1;
}
RXLED0;
memcpy(&matrix[slaveOffset],
(void *)serial_slave_buffer, SERIAL_SLAVE_BUFFER_LENGTH);
return 0;
}
#endif
uint8_t matrix_scan(void)
{
if (is_master) {
matrix_master_scan();
}else{
matrix_slave_scan();
int offset = (isLeftHand) ? ROWS_PER_HAND : 0;
memcpy(&matrix[offset],
(void *)serial_master_buffer, SERIAL_MASTER_BUFFER_LENGTH);
matrix_scan_quantum();
}
return 1;
}
uint8_t matrix_master_scan(void) {
int ret = _matrix_scan();
int mchanged = 1;
int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
#ifdef USE_MATRIX_I2C
// for (int i = 0; i < ROWS_PER_HAND; ++i) {
/* i2c_slave_buffer[i] = matrix[offset+i]; */
// i2c_slave_buffer[i] = matrix[offset+i];
// }
#else // USE_SERIAL
#ifdef SERIAL_USE_MULTI_TRANSACTION
mchanged = memcmp((void *)serial_master_buffer,
&matrix[offset], SERIAL_MASTER_BUFFER_LENGTH);
#endif
memcpy((void *)serial_master_buffer,
&matrix[offset], SERIAL_MASTER_BUFFER_LENGTH);
#endif
#ifdef USE_MATRIX_I2C
if( i2c_transaction() ) {
#else // USE_SERIAL
if( serial_transaction(mchanged) ) {
#endif
// turn on the indicator led when halves are disconnected
TXLED1;
error_count++;
if (error_count > ERROR_DISCONNECT_COUNT) {
// reset other half if disconnected
int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0;
for (int i = 0; i < ROWS_PER_HAND; ++i) {
matrix[slaveOffset+i] = 0;
}
}
} else {
// turn off the indicator led on no error
TXLED0;
error_count = 0;
}
matrix_scan_quantum();
return ret;
}
void matrix_slave_scan(void) {
_matrix_scan();
int offset = (isLeftHand) ? 0 : ROWS_PER_HAND;
#ifdef USE_MATRIX_I2C
for (int i = 0; i < ROWS_PER_HAND; ++i) {
/* i2c_slave_buffer[i] = matrix[offset+i]; */
i2c_slave_buffer[i] = matrix[offset+i];
}
#else // USE_SERIAL
#ifdef SERIAL_USE_MULTI_TRANSACTION
int change = 0;
#endif
for (int i = 0; i < ROWS_PER_HAND; ++i) {
#ifdef SERIAL_USE_MULTI_TRANSACTION
if( serial_slave_buffer[i] != matrix[offset+i] )
change = 1;
#endif
serial_slave_buffer[i] = matrix[offset+i];
}
#ifdef SERIAL_USE_MULTI_TRANSACTION
slave_buffer_change_count += change;
#endif
#endif
}
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;
}
static void init_cols(void)
{
for(int x = 0; x < MATRIX_COLS; x++) {
_SFR_IO8((col_pins[x] >> 4) + 1) &= ~_BV(col_pins[x] & 0xF);
_SFR_IO8((col_pins[x] >> 4) + 2) |= _BV(col_pins[x] & 0xF);
}
}
static matrix_row_t read_cols(void)
{
matrix_row_t result = 0;
for(int x = 0; x < MATRIX_COLS; x++) {
result |= (_SFR_IO8(col_pins[x] >> 4) & _BV(col_pins[x] & 0xF)) ? 0 : (1 << x);
}
return result;
}
static void unselect_rows(void)
{
for(int x = 0; x < ROWS_PER_HAND; x++) {
_SFR_IO8((row_pins[x] >> 4) + 1) &= ~_BV(row_pins[x] & 0xF);
_SFR_IO8((row_pins[x] >> 4) + 2) |= _BV(row_pins[x] & 0xF);
}
}
static void select_row(uint8_t row)
{
_SFR_IO8((row_pins[row] >> 4) + 1) |= _BV(row_pins[row] & 0xF);
_SFR_IO8((row_pins[row] >> 4) + 2) &= ~_BV(row_pins[row] & 0xF);
}

8
keyboards/claw44/rev1/rev1.c
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#include "claw44.h"
#ifdef SSD1306OLED
void led_set_kb(uint8_t usb_led) {
// put your keyboard LED indicator (ex: Caps Lock LED) toggling code here
//led_set_user(usb_led);
}
#endif

57
keyboards/claw44/rev1/rev1.h
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#pragma once
#include "../claw44.h"
//void promicro_bootloader_jmp(bool program);
#include "quantum.h"
#ifdef RGBLIGHT_ENABLE
//rgb led driver
#include "ws2812.h"
#endif
#ifdef USE_I2C
#include <stddef.h>
#ifdef __AVR__
#include <avr/io.h>
#include <avr/interrupt.h>
#endif
#endif
//void promicro_bootloader_jmp(bool program);
#define LAYOUT( \
L00, L01, L02, L03, L04, L05, R00, R01, R02, R03, R04, R05, \
L10, L11, L12, L13, L14, L15, R10, R11, R12, R13, R14, R15, \
L20, L21, L22, L23, L24, L25, R20, R21, R22, R23, R24, R25, \
L30, L31, L32, L33, R30, R31, R32, R33 \
) \
{ \
{ L00, L01, L02, L03, L04, L05 }, \
{ L10, L11, L12, L13, L14, L15 }, \
{ L20, L21, L22, L23, L24, L25 }, \
{ KC_NO, KC_NO, L30, L31, L32, L33 }, \
{ R05, R04, R03, R02, R01, R00 }, \
{ R15, R14, R13, R12, R11, R10 }, \
{ R25, R24, R23, R22, R21, R20 }, \
{ KC_NO, KC_NO, R33, R32, R31, R30 } \
}
#define LAYOUT_kc( \
L00, L01, L02, L03, L04, L05, R00, R01, R02, R03, R04, R05, \
L10, L11, L12, L13, L14, L15, R10, R11, R12, R13, R14, R15, \
L20, L21, L22, L23, L24, L25, R20, R21, R22, R23, R24, R25, \
L30, L31, L32, L33, R30, R31, R32, R33 \
) \
LAYOUT( \
KC_##L00, KC_##L01, KC_##L02, KC_##L03, KC_##L04, KC_##L05, KC_##R00, KC_##R01, KC_##R02, KC_##R03, KC_##R04, KC_##R05, \
KC_##L10, KC_##L11, KC_##L12, KC_##L13, KC_##L14, KC_##L15, KC_##R10, KC_##R11, KC_##R12, KC_##R13, KC_##R14, KC_##R15, \
KC_##L20, KC_##L21, KC_##L22, KC_##L23, KC_##L24, KC_##L25, KC_##R20, KC_##R21, KC_##R22, KC_##R23, KC_##R24, KC_##R25, \
KC_##L30, KC_##L31, KC_##L32, KC_##L33, KC_##R30, KC_##R31, KC_##R32, KC_##R33 \
)
enum layer_number {
_QWERTY = 0,
_LOWER,
_RAISE,
_ADJUST,
};

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keyboards/claw44/rev1/rules.mk
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SRC += rev1/matrix.c
SRC += rev1/split_util.c
SRC += rev1/split_scomm.c
# Build Options
BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration(+1000)
MOUSEKEY_ENABLE = no # Mouse keys(+4700)
EXTRAKEY_ENABLE = no # Audio control and System control(+450)
CONSOLE_ENABLE = no # Console for debug(+400)
COMMAND_ENABLE = no # Commands for debug and configuration
NKRO_ENABLE = no # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
MIDI_ENABLE = no # MIDI controls
AUDIO_ENABLE = no # Audio output on port C6
UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
RGBLIGHT_ENABLE = no # Enable WS2812 RGB underlight.
SWAP_HANDS_ENABLE = no # Enable one-hand typing
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
# If you want to change the display of OLED, you need to change here
SRC += ./lib/glcdfont.c \
./lib/layer_state_reader.c \
./lib/logo_reader.c \
./lib/keylogger.c \
# ./lib/rgb_state_reader.c \
# ./lib/mode_icon_reader.c \
# ./lib/host_led_state_reader.c \
# ./lib/timelogger.c \

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keyboards/claw44/rev1/serial_config.h
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#ifndef SOFT_SERIAL_PIN
#define SOFT_SERIAL_PIN D2
#define SERIAL_USE_MULTI_TRANSACTION
#endif

91
keyboards/claw44/rev1/split_scomm.c
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#ifdef USE_SERIAL
#ifdef SERIAL_USE_MULTI_TRANSACTION
/* --- USE flexible API (using multi-type transaction function) --- */
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
#include <split_scomm.h>
#include "serial.h"
#ifdef CONSOLE_ENABLE
#include <print.h>
#endif
uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};
uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};
uint8_t volatile status_com = 0;
uint8_t volatile status1 = 0;
uint8_t slave_buffer_change_count = 0;
uint8_t s_change_old = 0xff;
uint8_t s_change_new = 0xff;
SSTD_t transactions[] = {
#define GET_SLAVE_STATUS 0
/* master buffer not changed, only recive slave_buffer_change_count */
{ (uint8_t *)&status_com,
0, NULL,
sizeof(slave_buffer_change_count), &slave_buffer_change_count,
},
#define PUT_MASTER_GET_SLAVE_STATUS 1
/* master buffer changed need send, and recive slave_buffer_change_count */
{ (uint8_t *)&status_com,
sizeof(serial_master_buffer), (uint8_t *)serial_master_buffer,
sizeof(slave_buffer_change_count), &slave_buffer_change_count,
},
#define GET_SLAVE_BUFFER 2
/* recive serial_slave_buffer */
{ (uint8_t *)&status1,
0, NULL,
sizeof(serial_slave_buffer), (uint8_t *)serial_slave_buffer
}
};
void serial_master_init(void)
{
soft_serial_initiator_init(transactions, TID_LIMIT(transactions));
}
void serial_slave_init(void)
{
soft_serial_target_init(transactions, TID_LIMIT(transactions));
}
// 0 => no error
// 1 => slave did not respond
// 2 => checksum error
int serial_update_buffers(int master_update)
{
int status, smatstatus;
static int need_retry = 0;
if( s_change_old != s_change_new ) {
smatstatus = soft_serial_transaction(GET_SLAVE_BUFFER);
if( smatstatus == TRANSACTION_END ) {
s_change_old = s_change_new;
#ifdef CONSOLE_ENABLE
uprintf("slave matrix = %b %b %b %b\n",
serial_slave_buffer[0], serial_slave_buffer[1],
serial_slave_buffer[2], serial_slave_buffer[3]);
#endif
}
} else {
// serial_slave_buffer dosen't change
smatstatus = TRANSACTION_END; // dummy status
}
if( !master_update && !need_retry) {
status = soft_serial_transaction(GET_SLAVE_STATUS);
} else {
status = soft_serial_transaction(PUT_MASTER_GET_SLAVE_STATUS);
}
if( status == TRANSACTION_END ) {
s_change_new = slave_buffer_change_count;
need_retry = 0;
} else {
need_retry = 1;
}
return smatstatus;
}
#endif // SERIAL_USE_MULTI_TRANSACTION
#endif /* USE_SERIAL */

24
keyboards/claw44/rev1/split_scomm.h
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#ifndef SPLIT_COMM_H
#define SPLIT_COMM_H
#ifndef SERIAL_USE_MULTI_TRANSACTION
/* --- USE Simple API (OLD API, compatible with let's split serial.c) --- */
#include "serial.h"
#else
/* --- USE flexible API (using multi-type transaction function) --- */
// Buffers for master - slave communication
#define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
#define SERIAL_MASTER_BUFFER_LENGTH MATRIX_ROWS/2
extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH];
extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH];
extern uint8_t slave_buffer_change_count;
void serial_master_init(void);
void serial_slave_init(void);
int serial_update_buffers(int master_changed);
#endif
#endif /* SPLIT_COMM_H */

70
keyboards/claw44/rev1/split_util.c
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#include <avr/io.h>
#include <avr/wdt.h>
#include <avr/power.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include <avr/eeprom.h>
#include "split_util.h"
#include "matrix.h"
#include "keyboard.h"
#ifdef USE_MATRIX_I2C
# include "i2c.h"
#else
# include "split_scomm.h"
#endif
volatile bool isLeftHand = true;
static void setup_handedness(void) {
#ifdef EE_HANDS
isLeftHand = eeprom_read_byte(EECONFIG_HANDEDNESS);
#else
// I2C_MASTER_RIGHT is deprecated, use MASTER_RIGHT instead, since this works for both serial and i2c
#if defined(I2C_MASTER_RIGHT) || defined(MASTER_RIGHT)
isLeftHand = !has_usb();
#else
isLeftHand = has_usb();
#endif
#endif
}
static void keyboard_master_setup(void) {
#ifdef USE_MATRIX_I2C
i2c_master_init();
#else
serial_master_init();
#endif
}
static void keyboard_slave_setup(void) {
#ifdef USE_MATRIX_I2C
i2c_slave_init(SLAVE_I2C_ADDRESS);
#else
serial_slave_init();
#endif
}
bool has_usb(void) {
USBCON |= (1 << OTGPADE); //enables VBUS pad
_delay_us(5);
return (USBSTA & (1<<VBUS)); //checks state of VBUS
}
void split_keyboard_setup(void) {
setup_handedness();
if (has_usb()) {
keyboard_master_setup();
} else {
keyboard_slave_setup();
}
sei();
}
// this code runs before the usb and keyboard is initialized
void matrix_setup(void) {
split_keyboard_setup();
}

19
keyboards/claw44/rev1/split_util.h
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#ifndef SPLIT_KEYBOARD_UTIL_H
#define SPLIT_KEYBOARD_UTIL_H
#include <stdbool.h>
#include "eeconfig.h"
#define SLAVE_I2C_ADDRESS 0x32
extern volatile bool isLeftHand;
// slave version of matix scan, defined in matrix.c
void matrix_slave_scan(void);
void split_keyboard_setup(void);
bool has_usb(void);
void matrix_master_OLED_init (void);
#endif

74
keyboards/claw44/rules.mk
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SRC += i2c.c
SRC += serial.c
SRC += ssd1306.c
# if firmware size over limit, try this option
# CFLAGS += -flto
# MCU name
#MCU = at90usb1287
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)
# Bootloader
# This definition is optional, and if your keyboard supports multiple bootloaders of
# different sizes, comment this out, and the correct address will be loaded
# automatically (+60). See bootloader.mk for all options.
BOOTLOADER = caterina
# Interrupt driven control endpoint task(+60)
OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
# Build Options
# change to "no" to disable the options, or define them in the Makefile in
# the appropriate keymap folder that will get included automatically
#
BOOTMAGIC_ENABLE = no # Virtual DIP switch configuration(+1000)
MOUSEKEY_ENABLE = no # Mouse keys(+4700)
EXTRAKEY_ENABLE = no # Audio control and System control(+450)
CONSOLE_ENABLE = no # Console for debug(+400)
COMMAND_ENABLE = no # Commands for debug and configuration
NKRO_ENABLE = no # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
BACKLIGHT_ENABLE = no # Enable keyboard backlight functionality
MIDI_ENABLE = no # MIDI controls
AUDIO_ENABLE = no # Audio output on port C6
UNICODE_ENABLE = no # Unicode
BLUETOOTH_ENABLE = no # Enable Bluetooth with the Adafruit EZ-Key HID
RGBLIGHT_ENABLE = no # Enable WS2812 RGB underlight.
# Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
SLEEP_LED_ENABLE = no # Breathing sleep LED during USB suspend
CUSTOM_MATRIX = yes
DEFAULT_FOLDER = claw44/rev1

590
keyboards/claw44/serial.c
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/*
* WARNING: be careful changing this code, it is very timing dependent
*
* 2018-10-28 checked
* avr-gcc 4.9.2
* avr-gcc 5.4.0
* avr-gcc 7.3.0
*/
#ifndef F_CPU
#define F_CPU 16000000
#endif
#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include <stddef.h>
#include <stdbool.h>
#include "serial.h"
//#include <pro_micro.h>
#ifdef SOFT_SERIAL_PIN
#ifdef __AVR_ATmega32U4__
// if using ATmega32U4 I2C, can not use PD0 and PD1 in soft serial.
#ifdef USE_I2C
#if SOFT_SERIAL_PIN == D0 || SOFT_SERIAL_PIN == D1
#error Using ATmega32U4 I2C, so can not use PD0, PD1
#endif
#endif
#if SOFT_SERIAL_PIN >= D0 && SOFT_SERIAL_PIN <= D3
#define SERIAL_PIN_DDR DDRD
#define SERIAL_PIN_PORT PORTD
#define SERIAL_PIN_INPUT PIND
#if SOFT_SERIAL_PIN == D0
#define SERIAL_PIN_MASK _BV(PD0)
#define EIMSK_BIT _BV(INT0)
#define EICRx_BIT (~(_BV(ISC00) | _BV(ISC01)))
#define SERIAL_PIN_INTERRUPT INT0_vect
#elif SOFT_SERIAL_PIN == D1
#define SERIAL_PIN_MASK _BV(PD1)
#define EIMSK_BIT _BV(INT1)
#define EICRx_BIT (~(_BV(ISC10) | _BV(ISC11)))
#define SERIAL_PIN_INTERRUPT INT1_vect
#elif SOFT_SERIAL_PIN == D2
#define SERIAL_PIN_MASK _BV(PD2)
#define EIMSK_BIT _BV(INT2)
#define EICRx_BIT (~(_BV(ISC20) | _BV(ISC21)))
#define SERIAL_PIN_INTERRUPT INT2_vect
#elif SOFT_SERIAL_PIN == D3
#define SERIAL_PIN_MASK _BV(PD3)
#define EIMSK_BIT _BV(INT3)
#define EICRx_BIT (~(_BV(ISC30) | _BV(ISC31)))
#define SERIAL_PIN_INTERRUPT INT3_vect
#endif
#elif SOFT_SERIAL_PIN == E6
#define SERIAL_PIN_DDR DDRE
#define SERIAL_PIN_PORT PORTE
#define SERIAL_PIN_INPUT PINE
#define SERIAL_PIN_MASK _BV(PE6)
#define EIMSK_BIT _BV(INT6)
#define EICRx_BIT (~(_BV(ISC60) | _BV(ISC61)))
#define SERIAL_PIN_INTERRUPT INT6_vect
#else
#error invalid SOFT_SERIAL_PIN value
#endif
#else
#error serial.c now support ATmega32U4 only
#endif
//////////////// for backward compatibility ////////////////////////////////
#ifndef SERIAL_USE_MULTI_TRANSACTION
/* --- USE Simple API (OLD API, compatible with let's split serial.c) */
#if SERIAL_SLAVE_BUFFER_LENGTH > 0
uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0};
#endif
#if SERIAL_MASTER_BUFFER_LENGTH > 0
uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0};
#endif
uint8_t volatile status0 = 0;
SSTD_t transactions[] = {
{ (uint8_t *)&status0,
#if SERIAL_MASTER_BUFFER_LENGTH > 0
sizeof(serial_master_buffer), (uint8_t *)serial_master_buffer,
#else
0, (uint8_t *)NULL,
#endif
#if SERIAL_SLAVE_BUFFER_LENGTH > 0
sizeof(serial_slave_buffer), (uint8_t *)serial_slave_buffer
#else
0, (uint8_t *)NULL,
#endif
}
};
void serial_master_init(void)
{ soft_serial_initiator_init(transactions, TID_LIMIT(transactions)); }
void serial_slave_init(void)
{ soft_serial_target_init(transactions, TID_LIMIT(transactions)); }
// 0 => no error
// 1 => slave did not respond
// 2 => checksum error
int serial_update_buffers()
{
int result;
result = soft_serial_transaction();
return result;
}
#endif // end of Simple API (OLD API, compatible with let's split serial.c)
////////////////////////////////////////////////////////////////////////////
#define ALWAYS_INLINE __attribute__((always_inline))
#define NO_INLINE __attribute__((noinline))
#define _delay_sub_us(x) __builtin_avr_delay_cycles(x)
// parity check
#define ODD_PARITY 1
#define EVEN_PARITY 0
#define PARITY EVEN_PARITY
#ifdef SERIAL_DELAY
// custom setup in config.h
// #define TID_SEND_ADJUST 2
// #define SERIAL_DELAY 6 // micro sec
// #define READ_WRITE_START_ADJUST 30 // cycles
// #define READ_WRITE_WIDTH_ADJUST 8 // cycles
#else
// ============ Standard setups ============
#ifndef SELECT_SOFT_SERIAL_SPEED
#define SELECT_SOFT_SERIAL_SPEED 1
// 0: about 189kbps
// 1: about 137kbps (default)
// 2: about 75kbps
// 3: about 39kbps
// 4: about 26kbps
// 5: about 20kbps
#endif
#if __GNUC__ < 6
#define TID_SEND_ADJUST 14
#else
#define TID_SEND_ADJUST 2
#endif
#if SELECT_SOFT_SERIAL_SPEED == 0
// Very High speed
#define SERIAL_DELAY 4 // micro sec
#if __GNUC__ < 6
#define READ_WRITE_START_ADJUST 33 // cycles
#define READ_WRITE_WIDTH_ADJUST 3 // cycles
#else
#define READ_WRITE_START_ADJUST 34 // cycles
#define READ_WRITE_WIDTH_ADJUST 7 // cycles
#endif
#elif SELECT_SOFT_SERIAL_SPEED == 1
// High speed
#define SERIAL_DELAY 6 // micro sec
#if __GNUC__ < 6
#define READ_WRITE_START_ADJUST 30 // cycles
#define READ_WRITE_WIDTH_ADJUST 3 // cycles
#else
#define READ_WRITE_START_ADJUST 33 // cycles
#define READ_WRITE_WIDTH_ADJUST 7 // cycles
#endif
#elif SELECT_SOFT_SERIAL_SPEED == 2
// Middle speed
#define SERIAL_DELAY 12 // micro sec
#define READ_WRITE_START_ADJUST 30 // cycles
#if __GNUC__ < 6
#define READ_WRITE_WIDTH_ADJUST 3 // cycles
#else
#define READ_WRITE_WIDTH_ADJUST 7 // cycles
#endif
#elif SELECT_SOFT_SERIAL_SPEED == 3
// Low speed
#define SERIAL_DELAY 24 // micro sec
#define READ_WRITE_START_ADJUST 30 // cycles
#if __GNUC__ < 6
#define READ_WRITE_WIDTH_ADJUST 3 // cycles
#else
#define READ_WRITE_WIDTH_ADJUST 7 // cycles
#endif
#elif SELECT_SOFT_SERIAL_SPEED == 4
// Very Low speed
#define SERIAL_DELAY 36 // micro sec
#define READ_WRITE_START_ADJUST 30 // cycles
#if __GNUC__ < 6
#define READ_WRITE_WIDTH_ADJUST 3 // cycles
#else
#define READ_WRITE_WIDTH_ADJUST 7 // cycles
#endif
#elif SELECT_SOFT_SERIAL_SPEED == 5
// Ultra Low speed
#define SERIAL_DELAY 48 // micro sec
#define READ_WRITE_START_ADJUST 30 // cycles
#if __GNUC__ < 6
#define READ_WRITE_WIDTH_ADJUST 3 // cycles
#else
#define READ_WRITE_WIDTH_ADJUST 7 // cycles
#endif
#else
#error invalid SELECT_SOFT_SERIAL_SPEED value
#endif /* SELECT_SOFT_SERIAL_SPEED */
#endif /* SERIAL_DELAY */
#define SERIAL_DELAY_HALF1 (SERIAL_DELAY/2)
#define SERIAL_DELAY_HALF2 (SERIAL_DELAY - SERIAL_DELAY/2)
#define SLAVE_INT_WIDTH_US 1
#ifndef SERIAL_USE_MULTI_TRANSACTION
#define SLAVE_INT_RESPONSE_TIME SERIAL_DELAY
#else
#define SLAVE_INT_ACK_WIDTH_UNIT 2
#define SLAVE_INT_ACK_WIDTH 4
#endif
static SSTD_t *Transaction_table = NULL;
static uint8_t Transaction_table_size = 0;
inline static void serial_delay(void) ALWAYS_INLINE;
inline static
void serial_delay(void) {
_delay_us(SERIAL_DELAY);
}
inline static void serial_delay_half1(void) ALWAYS_INLINE;
inline static
void serial_delay_half1(void) {
_delay_us(SERIAL_DELAY_HALF1);
}
inline static void serial_delay_half2(void) ALWAYS_INLINE;
inline static
void serial_delay_half2(void) {
_delay_us(SERIAL_DELAY_HALF2);
}
inline static void serial_output(void) ALWAYS_INLINE;
inline static
void serial_output(void) {
SERIAL_PIN_DDR |= SERIAL_PIN_MASK;
}
// make the serial pin an input with pull-up resistor
inline static void serial_input_with_pullup(void) ALWAYS_INLINE;
inline static
void serial_input_with_pullup(void) {
SERIAL_PIN_DDR &= ~SERIAL_PIN_MASK;
SERIAL_PIN_PORT |= SERIAL_PIN_MASK;
}
inline static uint8_t serial_read_pin(void) ALWAYS_INLINE;
inline static
uint8_t serial_read_pin(void) {
return !!(SERIAL_PIN_INPUT & SERIAL_PIN_MASK);
}
inline static void serial_low(void) ALWAYS_INLINE;
inline static
void serial_low(void) {
SERIAL_PIN_PORT &= ~SERIAL_PIN_MASK;
}
inline static void serial_high(void) ALWAYS_INLINE;
inline static
void serial_high(void) {
SERIAL_PIN_PORT |= SERIAL_PIN_MASK;
}
void soft_serial_initiator_init(SSTD_t *sstd_table, int sstd_table_size)
{
Transaction_table = sstd_table;
Transaction_table_size = (uint8_t)sstd_table_size;
serial_output();
serial_high();
}
void soft_serial_target_init(SSTD_t *sstd_table, int sstd_table_size)
{
Transaction_table = sstd_table;
Transaction_table_size = (uint8_t)sstd_table_size;
serial_input_with_pullup();
// Enable INT0-INT3,INT6
EIMSK |= EIMSK_BIT;
#if SERIAL_PIN_MASK == _BV(PE6)
// Trigger on falling edge of INT6
EICRB &= EICRx_BIT;
#else
// Trigger on falling edge of INT0-INT3
EICRA &= EICRx_BIT;
#endif
}
// Used by the sender to synchronize timing with the reciver.
static void sync_recv(void) NO_INLINE;
static
void sync_recv(void) {
for (uint8_t i = 0; i < SERIAL_DELAY*5 && serial_read_pin(); i++ ) {
}
// This shouldn't hang if the target disconnects because the
// serial line will float to high if the target does disconnect.
while (!serial_read_pin());
}
// Used by the reciver to send a synchronization signal to the sender.
static void sync_send(void) NO_INLINE;
static
void sync_send(void) {
serial_low();
serial_delay();
serial_high();
}
// Reads a byte from the serial line
static uint8_t serial_read_chunk(uint8_t *pterrcount, uint8_t bit) NO_INLINE;
static uint8_t serial_read_chunk(uint8_t *pterrcount, uint8_t bit) {
uint8_t byte, i, p, pb;
_delay_sub_us(READ_WRITE_START_ADJUST);
for( i = 0, byte = 0, p = PARITY; i < bit; i++ ) {
serial_delay_half1(); // read the middle of pulses
if( serial_read_pin() ) {
byte = (byte << 1) | 1; p ^= 1;
} else {
byte = (byte << 1) | 0; p ^= 0;
}
_delay_sub_us(READ_WRITE_WIDTH_ADJUST);
serial_delay_half2();
}
/* recive parity bit */
serial_delay_half1(); // read the middle of pulses
pb = serial_read_pin();
_delay_sub_us(READ_WRITE_WIDTH_ADJUST);
serial_delay_half2();
*pterrcount += (p != pb)? 1 : 0;
return byte;
}
// Sends a byte with MSB ordering
void serial_write_chunk(uint8_t data, uint8_t bit) NO_INLINE;
void serial_write_chunk(uint8_t data, uint8_t bit) {
uint8_t b, p;
for( p = PARITY, b = 1<<(bit-1); b ; b >>= 1) {
if(data & b) {
serial_high(); p ^= 1;
} else {
serial_low(); p ^= 0;
}
serial_delay();
}
/* send parity bit */
if(p & 1) { serial_high(); }
else { serial_low(); }
serial_delay();
serial_low(); // sync_send() / senc_recv() need raise edge
}
static void serial_send_packet(uint8_t *buffer, uint8_t size) NO_INLINE;
static
void serial_send_packet(uint8_t *buffer, uint8_t size) {
for (uint8_t i = 0; i < size; ++i) {
uint8_t data;
data = buffer[i];
sync_send();
serial_write_chunk(data,8);
}
}
static uint8_t serial_recive_packet(uint8_t *buffer, uint8_t size) NO_INLINE;
static
uint8_t serial_recive_packet(uint8_t *buffer, uint8_t size) {
uint8_t pecount = 0;
for (uint8_t i = 0; i < size; ++i) {
uint8_t data;
sync_recv();
data = serial_read_chunk(&pecount, 8);
buffer[i] = data;
}
return pecount == 0;
}
inline static
void change_sender2reciver(void) {
sync_send(); //0
serial_delay_half1(); //1
serial_low(); //2
serial_input_with_pullup(); //2
serial_delay_half1(); //3
}
inline static
void change_reciver2sender(void) {
sync_recv(); //0
serial_delay(); //1
serial_low(); //3
serial_output(); //3
serial_delay_half1(); //4
}
static inline uint8_t nibble_bits_count(uint8_t bits)
{
bits = (bits & 0x5) + (bits >> 1 & 0x5);
bits = (bits & 0x3) + (bits >> 2 & 0x3);
return bits;
}
// interrupt handle to be used by the target device
ISR(SERIAL_PIN_INTERRUPT) {
#ifndef SERIAL_USE_MULTI_TRANSACTION
serial_low();
serial_output();
SSTD_t *trans = Transaction_table;
#else
// recive transaction table index
uint8_t tid, bits;
uint8_t pecount = 0;
sync_recv();
bits = serial_read_chunk(&pecount,7);
tid = bits>>3;
bits = (bits&7) != nibble_bits_count(tid);
if( bits || pecount> 0 || tid > Transaction_table_size ) {
return;
}
serial_delay_half1();
serial_high(); // response step1 low->high
serial_output();
_delay_sub_us(SLAVE_INT_ACK_WIDTH_UNIT*SLAVE_INT_ACK_WIDTH);
SSTD_t *trans = &Transaction_table[tid];
serial_low(); // response step2 ack high->low
#endif
// target send phase
if( trans->target2initiator_buffer_size > 0 )
serial_send_packet((uint8_t *)trans->target2initiator_buffer,
trans->target2initiator_buffer_size);
// target switch to input
change_sender2reciver();
// target recive phase
if( trans->initiator2target_buffer_size > 0 ) {
if (serial_recive_packet((uint8_t *)trans->initiator2target_buffer,
trans->initiator2target_buffer_size) ) {
*trans->status = TRANSACTION_ACCEPTED;
} else {
*trans->status = TRANSACTION_DATA_ERROR;
}
} else {
*trans->status = TRANSACTION_ACCEPTED;
}
sync_recv(); //weit initiator output to high
}
/////////
// start transaction by initiator
//
// int soft_serial_transaction(int sstd_index)
//
// Returns:
// TRANSACTION_END
// TRANSACTION_NO_RESPONSE
// TRANSACTION_DATA_ERROR
// this code is very time dependent, so we need to disable interrupts
#ifndef SERIAL_USE_MULTI_TRANSACTION
int soft_serial_transaction(void) {
SSTD_t *trans = Transaction_table;
#else
int soft_serial_transaction(int sstd_index) {
if( sstd_index > Transaction_table_size )
return TRANSACTION_TYPE_ERROR;
SSTD_t *trans = &Transaction_table[sstd_index];
#endif
cli();
// signal to the target that we want to start a transaction
serial_output();
serial_low();
_delay_us(SLAVE_INT_WIDTH_US);
#ifndef SERIAL_USE_MULTI_TRANSACTION
// wait for the target response
serial_input_with_pullup();
_delay_us(SLAVE_INT_RESPONSE_TIME);
// check if the target is present
if (serial_read_pin()) {
// target failed to pull the line low, assume not present
serial_output();
serial_high();
*trans->status = TRANSACTION_NO_RESPONSE;
sei();
return TRANSACTION_NO_RESPONSE;
}
#else
// send transaction table index
int tid = (sstd_index<<3) | (7 & nibble_bits_count(sstd_index));
sync_send();
_delay_sub_us(TID_SEND_ADJUST);
serial_write_chunk(tid, 7);
serial_delay_half1();
// wait for the target response (step1 low->high)
serial_input_with_pullup();
while( !serial_read_pin() ) {
_delay_sub_us(2);
}
// check if the target is present (step2 high->low)
for( int i = 0; serial_read_pin(); i++ ) {
if (i > SLAVE_INT_ACK_WIDTH + 1) {
// slave failed to pull the line low, assume not present
serial_output();
serial_high();
*trans->status = TRANSACTION_NO_RESPONSE;
sei();
return TRANSACTION_NO_RESPONSE;
}
_delay_sub_us(SLAVE_INT_ACK_WIDTH_UNIT);
}
#endif
// initiator recive phase
// if the target is present syncronize with it
if( trans->target2initiator_buffer_size > 0 ) {
if (!serial_recive_packet((uint8_t *)trans->target2initiator_buffer,
trans->target2initiator_buffer_size) ) {
serial_output();
serial_high();
*trans->status = TRANSACTION_DATA_ERROR;
sei();
return TRANSACTION_DATA_ERROR;
}
}
// initiator switch to output
change_reciver2sender();
// initiator send phase
if( trans->initiator2target_buffer_size > 0 ) {
serial_send_packet((uint8_t *)trans->initiator2target_buffer,
trans->initiator2target_buffer_size);
}
// always, release the line when not in use
sync_send();
*trans->status = TRANSACTION_END;
sei();
return TRANSACTION_END;
}
#ifdef SERIAL_USE_MULTI_TRANSACTION
int soft_serial_get_and_clean_status(int sstd_index) {
SSTD_t *trans = &Transaction_table[sstd_index];
cli();
int retval = *trans->status;
*trans->status = 0;;
sei();
return retval;
}
#endif
#endif
// Helix serial.c history
// 2018-1-29 fork from let's split and add PD2, modify sync_recv() (#2308, bceffdefc)
// 2018-6-28 bug fix master to slave comm and speed up (#3255, 1038bbef4)
// (adjusted with avr-gcc 4.9.2)
// 2018-7-13 remove USE_SERIAL_PD2 macro (#3374, f30d6dd78)
// (adjusted with avr-gcc 4.9.2)
// 2018-8-11 add support multi-type transaction (#3608, feb5e4aae)
// (adjusted with avr-gcc 4.9.2)
// 2018-10-21 fix serial and RGB animation conflict (#4191, 4665e4fff)
// (adjusted with avr-gcc 7.3.0)
// 2018-10-28 re-adjust compiler depend value of delay (#4269, 8517f8a66)
// (adjusted with avr-gcc 5.4.0, 7.3.0)

84
keyboards/claw44/serial.h
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#ifndef SOFT_SERIAL_H
#define SOFT_SERIAL_H
#include <stdbool.h>
// /////////////////////////////////////////////////////////////////
// Need Soft Serial defines in config.h
// /////////////////////////////////////////////////////////////////
// ex.
// #define SOFT_SERIAL_PIN ?? // ?? = D0,D1,D2,D3,E6
// OPTIONAL: #define SELECT_SOFT_SERIAL_SPEED ? // ? = 1,2,3,4,5
// // 1: about 137kbps (default)
// // 2: about 75kbps
// // 3: about 39kbps
// // 4: about 26kbps
// // 5: about 20kbps
//
// //// USE Simple API (OLD API, compatible with let's split serial.c)
// ex.
// #define SERIAL_SLAVE_BUFFER_LENGTH MATRIX_ROWS/2
// #define SERIAL_MASTER_BUFFER_LENGTH 1
//
// //// USE flexible API (using multi-type transaction function)
// #define SERIAL_USE_MULTI_TRANSACTION
//
// /////////////////////////////////////////////////////////////////
#ifndef SERIAL_USE_MULTI_TRANSACTION
/* --- USE Simple API (OLD API, compatible with let's split serial.c) */
#if SERIAL_SLAVE_BUFFER_LENGTH > 0
extern volatile uint8_t serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH];
#endif
#if SERIAL_MASTER_BUFFER_LENGTH > 0
extern volatile uint8_t serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH];
#endif
void serial_master_init(void);
void serial_slave_init(void);
int serial_update_buffers(void);
#endif // USE Simple API
// Soft Serial Transaction Descriptor
typedef struct _SSTD_t {
uint8_t *status;
uint8_t initiator2target_buffer_size;
uint8_t *initiator2target_buffer;
uint8_t target2initiator_buffer_size;
uint8_t *target2initiator_buffer;
} SSTD_t;
#define TID_LIMIT( table ) (sizeof(table) / sizeof(SSTD_t))
// initiator is transaction start side
void soft_serial_initiator_init(SSTD_t *sstd_table, int sstd_table_size);
// target is interrupt accept side
void soft_serial_target_init(SSTD_t *sstd_table, int sstd_table_size);
// initiator resullt
#define TRANSACTION_END 0
#define TRANSACTION_NO_RESPONSE 0x1
#define TRANSACTION_DATA_ERROR 0x2
#define TRANSACTION_TYPE_ERROR 0x4
#ifndef SERIAL_USE_MULTI_TRANSACTION
int soft_serial_transaction(void);
#else
int soft_serial_transaction(int sstd_index);
#endif
// target status
// *SSTD_t.status has
// initiator:
// TRANSACTION_END
// or TRANSACTION_NO_RESPONSE
// or TRANSACTION_DATA_ERROR
// target:
// TRANSACTION_DATA_ERROR
// or TRANSACTION_ACCEPTED
#define TRANSACTION_ACCEPTED 0x8
#ifdef SERIAL_USE_MULTI_TRANSACTION
int soft_serial_get_and_clean_status(int sstd_index);
#endif
#endif /* SOFT_SERIAL_H */

346
keyboards/claw44/ssd1306.c
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#ifdef SSD1306OLED
#include "ssd1306.h"
#include "i2c.h"
#include <string.h>
#include "print.h"
#ifdef ADAFRUIT_BLE_ENABLE
#include "adafruit_ble.h"
#endif
#ifdef PROTOCOL_LUFA
#include "lufa.h"
#endif
#include "sendchar.h"
#include "timer.h"
static const unsigned char font[] PROGMEM;
// Set this to 1 to help diagnose early startup problems
// when testing power-on with ble. Turn it off otherwise,
// as the latency of printing most of the debug info messes
// with the matrix scan, causing keys to drop.
#define DEBUG_TO_SCREEN 0
//static uint16_t last_battery_update;
//static uint32_t vbat;
//#define BatteryUpdateInterval 10000 /* milliseconds */
// 'last_flush' is declared as uint16_t,
// so this must be less than 65535
#define ScreenOffInterval 60000 /* milliseconds */
#if DEBUG_TO_SCREEN
static uint8_t displaying;
#endif
static uint16_t last_flush;
static bool force_dirty = true;
// Write command sequence.
// Returns true on success.
static inline bool _send_cmd1(uint8_t cmd) {
bool res = false;
if (i2c_start_write(SSD1306_ADDRESS)) {
xprintf("failed to start write to %d\n", SSD1306_ADDRESS);
goto done;
}
if (i2c_master_write(0x0 /* command byte follows */)) {
print("failed to write control byte\n");
goto done;
}
if (i2c_master_write(cmd)) {
xprintf("failed to write command %d\n", cmd);
goto done;
}
res = true;
done:
i2c_master_stop();
return res;
}
// Write 2-byte command sequence.
// Returns true on success
static inline bool _send_cmd2(uint8_t cmd, uint8_t opr) {
if (!_send_cmd1(cmd)) {
return false;
}
return _send_cmd1(opr);
}
// Write 3-byte command sequence.
// Returns true on success
static inline bool _send_cmd3(uint8_t cmd, uint8_t opr1, uint8_t opr2) {
if (!_send_cmd1(cmd)) {
return false;
}
if (!_send_cmd1(opr1)) {
return false;
}
return _send_cmd1(opr2);
}
#define send_cmd1(c) if (!_send_cmd1(c)) {goto done;}
#define send_cmd2(c,o) if (!_send_cmd2(c,o)) {goto done;}
#define send_cmd3(c,o1,o2) if (!_send_cmd3(c,o1,o2)) {goto done;}
static void clear_display(void) {
matrix_clear(&display);
// Clear all of the display bits (there can be random noise
// in the RAM on startup)
send_cmd3(PageAddr, 0, (DisplayHeight / 8) - 1);
send_cmd3(ColumnAddr, 0, DisplayWidth - 1);
if (i2c_start_write(SSD1306_ADDRESS)) {
goto done;
}
if (i2c_master_write(0x40)) {
// Data mode
goto done;
}
for (uint8_t row = 0; row < MatrixRows; ++row) {
for (uint8_t col = 0; col < DisplayWidth; ++col) {
i2c_master_write(0);
}
}
display.dirty = false;
done:
i2c_master_stop();
}
#if DEBUG_TO_SCREEN
#undef sendchar
static int8_t capture_sendchar(uint8_t c) {
sendchar(c);
iota_gfx_write_char(c);
if (!displaying) {
iota_gfx_flush();
}
return 0;
}
#endif
bool iota_gfx_init(bool rotate) {
bool success = false;
i2c_master_init();
send_cmd1(DisplayOff);
send_cmd2(SetDisplayClockDiv, 0x80);
send_cmd2(SetMultiPlex, DisplayHeight - 1);
send_cmd2(SetDisplayOffset, 0);
send_cmd1(SetStartLine | 0x0);
send_cmd2(SetChargePump, 0x14 /* Enable */);
send_cmd2(SetMemoryMode, 0 /* horizontal addressing */);
if(rotate){
// the following Flip the display orientation 180 degrees
send_cmd1(SegRemap);
send_cmd1(ComScanInc);
}else{
// Flips the display orientation 0 degrees
send_cmd1(SegRemap | 0x1);
send_cmd1(ComScanDec);
}
send_cmd2(SetComPins, 0x2);
send_cmd2(SetContrast, 0x8f);
send_cmd2(SetPreCharge, 0xf1);
send_cmd2(SetVComDetect, 0x40);
send_cmd1(DisplayAllOnResume);
send_cmd1(NormalDisplay);
send_cmd1(DeActivateScroll);
send_cmd1(DisplayOn);
send_cmd2(SetContrast, 0); // Dim
clear_display();
success = true;
iota_gfx_flush();
#if DEBUG_TO_SCREEN
print_set_sendchar(capture_sendchar);
#endif
done:
return success;
}
bool iota_gfx_off(void) {
bool success = false;
send_cmd1(DisplayOff);
success = true;
done:
return success;
}
bool iota_gfx_on(void) {
bool success = false;
send_cmd1(DisplayOn);
success = true;
done:
return success;
}
void matrix_write_char_inner(struct CharacterMatrix *matrix, uint8_t c) {
*matrix->cursor = c;
++matrix->cursor;
if (matrix->cursor - &matrix->display[0][0] == sizeof(matrix->display)) {
// We went off the end; scroll the display upwards by one line
memmove(&matrix->display[0], &matrix->display[1],
MatrixCols * (MatrixRows - 1));
matrix->cursor = &matrix->display[MatrixRows - 1][0];
memset(matrix->cursor, ' ', MatrixCols);
}
}
void matrix_write_char(struct CharacterMatrix *matrix, uint8_t c) {
matrix->dirty = true;
if (c == '\n') {
// Clear to end of line from the cursor and then move to the
// start of the next line
uint8_t cursor_col = (matrix->cursor - &matrix->display[0][0]) % MatrixCols;
while (cursor_col++ < MatrixCols) {
matrix_write_char_inner(matrix, ' ');
}
return;
}
matrix_write_char_inner(matrix, c);
}
void iota_gfx_write_char(uint8_t c) {
matrix_write_char(&display, c);
}
void matrix_write(struct CharacterMatrix *matrix, const char *data) {
const char *end = data + strlen(data);
while (data < end) {
matrix_write_char(matrix, *data);
++data;
}
}
void matrix_write_ln(struct CharacterMatrix *matrix, const char *data) {
char data_ln[strlen(data)+2];
snprintf(data_ln, sizeof(data_ln), "%s\n", data);
matrix_write(matrix, data_ln);
}
void iota_gfx_write(const char *data) {
matrix_write(&display, data);
}
void matrix_write_P(struct CharacterMatrix *matrix, const char *data) {
while (true) {
uint8_t c = pgm_read_byte(data);
if (c == 0) {
return;
}
matrix_write_char(matrix, c);
++data;
}
}
void iota_gfx_write_P(const char *data) {
matrix_write_P(&display, data);
}
void matrix_clear(struct CharacterMatrix *matrix) {
memset(matrix->display, ' ', sizeof(matrix->display));
matrix->cursor = &matrix->display[0][0];
matrix->dirty = true;
}
void iota_gfx_clear_screen(void) {
matrix_clear(&display);
}
void matrix_render(struct CharacterMatrix *matrix) {
last_flush = timer_read();
iota_gfx_on();
#if DEBUG_TO_SCREEN
++displaying;
#endif
// Move to the home position
send_cmd3(PageAddr, 0, MatrixRows - 1);
send_cmd3(ColumnAddr, 0, (MatrixCols * FontWidth) - 1);
if (i2c_start_write(SSD1306_ADDRESS)) {
goto done;
}
if (i2c_master_write(0x40)) {
// Data mode
goto done;
}
for (uint8_t row = 0; row < MatrixRows; ++row) {
for (uint8_t col = 0; col < MatrixCols; ++col) {
const uint8_t *glyph = font + (matrix->display[row][col] * FontWidth);
for (uint8_t glyphCol = 0; glyphCol < FontWidth; ++glyphCol) {
uint8_t colBits = pgm_read_byte(glyph + glyphCol);
i2c_master_write(colBits);
}
// 1 column of space between chars (it's not included in the glyph)
//i2c_master_write(0);
}
}
matrix->dirty = false;
done:
i2c_master_stop();
#if DEBUG_TO_SCREEN
--displaying;
#endif
}
void iota_gfx_flush(void) {
matrix_render(&display);
}
__attribute__ ((weak))
void iota_gfx_task_user(void) {
}
void iota_gfx_task(void) {
iota_gfx_task_user();
if (display.dirty|| force_dirty) {
iota_gfx_flush();
force_dirty = false;
}
/*
if (timer_elapsed(last_flush) > ScreenOffInterval) {
iota_gfx_off();
}
*/
}
bool process_record_gfx(uint16_t keycode, keyrecord_t *record) {
force_dirty = true;
return true;
}
#endif

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keyboards/claw44/ssd1306.h
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#pragma once
#include <stdbool.h>
#include <stdio.h>
#include "pincontrol.h"
#include "action.h"
enum ssd1306_cmds {
DisplayOff = 0xAE,
DisplayOn = 0xAF,
SetContrast = 0x81,
DisplayAllOnResume = 0xA4,
DisplayAllOn = 0xA5,
NormalDisplay = 0xA6,
InvertDisplay = 0xA7,
SetDisplayOffset = 0xD3,
SetComPins = 0xda,
SetVComDetect = 0xdb,
SetDisplayClockDiv = 0xD5,
SetPreCharge = 0xd9,
SetMultiPlex = 0xa8,
SetLowColumn = 0x00,
SetHighColumn = 0x10,
SetStartLine = 0x40,
SetMemoryMode = 0x20,
ColumnAddr = 0x21,
PageAddr = 0x22,
ComScanInc = 0xc0,
ComScanDec = 0xc8,
SegRemap = 0xa0,
SetChargePump = 0x8d,
ExternalVcc = 0x01,
SwitchCapVcc = 0x02,
ActivateScroll = 0x2f,
DeActivateScroll = 0x2e,
SetVerticalScrollArea = 0xa3,
RightHorizontalScroll = 0x26,
LeftHorizontalScroll = 0x27,
VerticalAndRightHorizontalScroll = 0x29,
VerticalAndLeftHorizontalScroll = 0x2a,
};
// Controls the SSD1306 128x32 OLED display via i2c
#ifndef SSD1306_ADDRESS
#define SSD1306_ADDRESS 0x3C
#endif
#define DisplayHeight 32
#define DisplayWidth 128
#define FontHeight 8
#define FontWidth 6
#define MatrixRows (DisplayHeight / FontHeight)
#define MatrixCols (DisplayWidth / FontWidth)
struct CharacterMatrix {
uint8_t display[MatrixRows][MatrixCols];
uint8_t *cursor;
bool dirty;
};
struct CharacterMatrix display;
bool iota_gfx_init(bool rotate);
void iota_gfx_task(void);
bool iota_gfx_off(void);
bool iota_gfx_on(void);
void iota_gfx_flush(void);
void iota_gfx_write_char(uint8_t c);
void iota_gfx_write(const char *data);
void iota_gfx_write_P(const char *data);
void iota_gfx_clear_screen(void);
void iota_gfx_task_user(void);
void matrix_clear(struct CharacterMatrix *matrix);
void matrix_write_char_inner(struct CharacterMatrix *matrix, uint8_t c);
void matrix_write_char(struct CharacterMatrix *matrix, uint8_t c);
void matrix_write(struct CharacterMatrix *matrix, const char *data);
void matrix_write_ln(struct CharacterMatrix *matrix, const char *data);
void matrix_write_P(struct CharacterMatrix *matrix, const char *data);
void matrix_render(struct CharacterMatrix *matrix);
bool process_record_gfx(uint16_t keycode, keyrecord_t *record);
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