[Keyboard] add claw44 keyboard (#5511)

* 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

2 files changed, 257 insertions, 0 deletions

diff --git a/keyboards/claw44/keymaps/yfuku/config.h b/keyboards/claw44/keymaps/yfuku/config.h
new file mode 100644
index 0000000000..244ffa7096
--- /dev/null
+++ b/keyboards/claw44/keymaps/yfuku/config.h
@@ -0,0 +1,36 @@
+/*
+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
diff --git a/keyboards/claw44/keymaps/yfuku/keymap.c b/keyboards/claw44/keymaps/yfuku/keymap.c
new file mode 100644
index 0000000000..77d459b928
--- /dev/null
+++ b/keyboards/claw44/keymaps/yfuku/keymap.c
@@ -0,0 +1,221 @@
+#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;
+}
+