[Keyboard] Add ADM42 Keyboard (#17366)

Co-authored-by: Ryan <fauxpark@gmail.com>

2 files changed, 213 insertions, 0 deletions

diff --git a/keyboards/adm42/rev4/keymaps/default/config.h b/keyboards/adm42/rev4/keymaps/default/config.h
new file mode 100644
index 0000000000..38c012e938
--- /dev/null
+++ b/keyboards/adm42/rev4/keymaps/default/config.h
@@ -0,0 +1,3 @@
+#define HOLD_ON_OTHER_KEY_PRESS_PER_KEY
+#define TAPPING_FORCE_HOLD_PER_KEY
+#define IGNORE_MOD_TAP_INTERRUPT_PER_KEY
diff --git a/keyboards/adm42/rev4/keymaps/default/keymap.c b/keyboards/adm42/rev4/keymaps/default/keymap.c
new file mode 100644
index 0000000000..36b64cad3e
--- /dev/null
+++ b/keyboards/adm42/rev4/keymaps/default/keymap.c
@@ -0,0 +1,210 @@
+/* Copyright 2020-2022 Lorenzo Leonini
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include QMK_KEYBOARD_H
+
+enum custom_layers {
+    _QWERTY,
+    _COLEMAKDH,
+    _SPECIAL,
+    _EXTRA,
+    _ADM,
+    _SETUP,
+};
+
+#define LW_GRV LWIN_T(KC_GRV)
+#define RW_EQU RWIN_T(KC_EQUAL)
+#define RW_BS RWIN_T(KC_BSLS)
+#define LC_TAB LCTL_T(KC_TAB)
+#define RC_QUT RCTL_T(KC_QUOT)
+#define LS_BPC LSFT_T(KC_BSPC)
+#define RS_SPC RSFT_T(KC_SPC)
+#define LA_BS LALT_T(KC_BSLS)
+#define LW_F11 LWIN_T(KC_F11)
+#define LC_APP LCTL_T(KC_APP)
+#define LA_TOG LALT_T(RGB_TOG)
+#define RW_F12 RWIN_T(KC_F12)
+
+#define LLS_ESC LT(_SPECIAL, KC_ESC) 
+#define LLS_RALT LT(_SPECIAL, KC_RALT) 
+#define LLE_ENT LT(_EXTRA, KC_ENT) 
+#define LLA_DEL LT(_ADM, KC_DEL)
+#define SETUP MO(_SETUP)
+
+enum custom_keycodes {
+    REFLASH = SAFE_RANGE,
+    LC_CIRC,
+    RC_DLR,
+    DF_QWER,
+    DF_COLE,
+};
+
+// Not a mistake to have KC_LALT (also) on the right, RALT is kept for compose (LLS_RALT)
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [_QWERTY] = LAYOUT_adm42_3x12_6(
+        LW_GRV,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    RW_EQU,
+        LC_TAB,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, RC_QUT,
+        KC_LALT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_LALT,
+                                   LLS_ESC, LS_BPC,  LLA_DEL, LLE_ENT, RS_SPC,  LLS_RALT
+    ),
+    [_COLEMAKDH] = LAYOUT_adm42_3x12_6(
+        LW_GRV,  KC_Q,    KC_W,    KC_F,    KC_P,    KC_B,    KC_J,    KC_L,    KC_U,    KC_Y,    KC_SCLN, RW_EQU,
+        LC_TAB,  KC_A,    KC_R,    KC_S,    KC_T,    KC_G,    KC_M,    KC_N,    KC_E,    KC_I,    KC_O,    RC_QUT,
+        KC_LALT, KC_Z,    KC_X,    KC_C,    KC_D,    KC_V,    KC_K,    KC_H,    KC_COMM, KC_DOT,  KC_SLSH, KC_LALT,
+                                   LLS_ESC, LS_BPC,  LLA_DEL, LLE_ENT, RS_SPC,  LLS_RALT
+    ),
+
+    [_SPECIAL] = LAYOUT_adm42_3x12_6(
+        _______, KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    RW_BS,
+        LC_CIRC, KC_LBRC, KC_RBRC, KC_LPRN, KC_RPRN, KC_EXLM, KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT, KC_MINS, RC_DLR,
+        _______, KC_AMPR, KC_AT,   KC_LCBR, KC_RCBR, KC_PIPE, KC_UNDS, KC_ASTR, KC_HASH, KC_PERC, KC_TILD, _______,
+                                   KC_ESC,  _______, KC_DEL,  KC_ENT,  _______, KC_RALT
+    ),
+    [_EXTRA] = LAYOUT_adm42_3x12_6(
+        LW_F11,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  RW_F12,
+        KC_LCTL, KC_PAUS, KC_INS,  KC_VOLD, KC_VOLU, KC_MUTE, KC_HOME, KC_PGDN, KC_PGUP, KC_END,  KC_APP,  KC_RCTL,
+        _______, KC_SLEP, KC_PWR,  KC_MSTP, KC_MNXT, KC_MPLY, _______, KC_BRID, KC_BRIU, KC_PSCR, KC_WAKE, _______,
+                                   KC_CAPS, _______, _______, _______, _______, KC_CAPS
+    ),
+    [_ADM] = LAYOUT_adm42_3x12_6(
+        XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, RGB_M_B, RGB_VAD, RGB_VAI, RGB_SAD, RGB_SAI, XXXXXXX,
+        XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, RGB_TOG, RGB_MOD, RGB_RMOD,RGB_HUD, RGB_HUI, XXXXXXX,
+        XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,  RGB_M_P, RGB_SPD, RGB_SPI, XXXXXXX, XXXXXXX, XXXXXXX,
+                                   XXXXXXX, XXXXXXX, XXXXXXX, SETUP,   XXXXXXX, XXXXXXX
+    ),
+    [_SETUP] = LAYOUT_adm42_3x12_6(
+        REFLASH, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+        XXXXXXX, DF_QWER, DF_COLE, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,
+        XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, EEP_RST,
+                                   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX
+    ),
+};
+
+bool get_ignore_mod_tap_interrupt(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+     case RC_QUT:
+        return true;
+     default:
+        return false;
+    }
+}
+
+bool get_hold_on_other_key_press(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+     case LLS_ESC:
+     case LLS_RALT:
+     case LLE_ENT:
+     case LLA_DEL:
+        return true;
+     default:
+        return false;
+    }
+}
+
+bool get_tapping_force_hold(uint16_t keycode, keyrecord_t *record) {
+    switch (keycode) {
+     case LLS_ESC:
+     case LLS_RALT:
+        return true;
+     default:
+        return false;
+    }
+}
+
+static uint16_t last_timer = 0;
+static int last_key = 0;
+bool cleanup_return(uint16_t keycode, keyrecord_t *record, bool value) {
+    if (record->event.pressed) {
+        last_key = keycode;
+        last_timer = timer_read();
+    }
+    return value;
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+
+#ifdef CONSOLE_ENABLE
+    uprintf("KL: kc: 0x%04X, col: %u, row: %u, pressed: %b, time: %u, interrupt: %b, count: %u\n", keycode, record->event.key.col, record->event.key.row, record->event.pressed, record->event.time, record->tap.interrupted, record->tap.count);
+#endif
+
+    switch (keycode) {
+
+     case RC_DLR:
+        if (record->event.pressed) {
+            register_code(KC_RCTL);
+        } else {
+            unregister_code(KC_RCTL);
+            if (last_key == keycode && timer_elapsed(last_timer) <= TAPPING_TERM) {
+                send_string("$");
+            }
+        }
+        return cleanup_return(keycode, record, false);
+
+     case LC_CIRC:
+        if (record->event.pressed) {
+            register_code(KC_LCTL);
+        } else {
+            unregister_code(KC_LCTL);
+            if (last_key == keycode && timer_elapsed(last_timer) <= TAPPING_TERM) {
+                send_string("^");
+            }
+        }
+        return cleanup_return(keycode, record, false);
+
+     case DF_QWER:
+        if (record->event.pressed) {
+            set_single_persistent_default_layer(_QWERTY);
+            send_string("QWERTY layout");
+        }
+        return false;
+     case DF_COLE:
+        if (record->event.pressed) {
+            set_single_persistent_default_layer(_COLEMAKDH);
+            send_string("COLEMAKDH layout");
+        }
+        return false;
+
+     case REFLASH:
+        eeconfig_init();
+        eeconfig_update_rgb_matrix_default();
+        writePinLow(QMK_LED);
+        reset_keyboard();
+        return false;
+
+     default:
+        return cleanup_return(keycode, record, true);
+    }
+}
+
+void keyboard_pre_init_kb(void) {
+    setPinOutput(QMK_LED);
+    writePinHigh(QMK_LED);
+}
+
+void keyboard_post_init_kb(void) {
+    debug_enable = true;
+    debug_matrix = false;
+    debug_keyboard = false;
+    writePinHigh(QMK_LED);
+}
+
+void suspend_power_down_kb(void) {
+    writePinLow(QMK_LED);
+}
+
+void suspend_wakeup_init_kb(void) {
+  writePinHigh(QMK_LED);
+}