[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, 204 insertions, 0 deletions

diff --git a/keyboards/claw44/keymaps/default/config.h b/keyboards/claw44/keymaps/default/config.h
new file mode 100644
index 0000000000..eff6ad3c7b
--- /dev/null
+++ b/keyboards/claw44/keymaps/default/config.h
@@ -0,0 +1,35 @@
+/*
+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
diff --git a/keyboards/claw44/keymaps/default/keymap.c b/keyboards/claw44/keymaps/default/keymap.c
new file mode 100644
index 0000000000..c346571255
--- /dev/null
+++ b/keyboards/claw44/keymaps/default/keymap.c
@@ -0,0 +1,169 @@
+#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;
+}