4 files changed, 128 insertions, 0 deletions
diff --git a/keyboards/atreus62/keymaps/atreus52/Makefile b/keyboards/atreus62/keymaps/atreus52/Makefile
new file mode 100644
index 000000000..046aec273
--- /dev/null
+++ b/keyboards/atreus62/keymaps/atreus52/Makefile
@@ -0,0 +1,5 @@
+TAP_DANCE_ENABLE = yes
+NKRO_ENABLE = true
+MOUSEKEY_ENABLE = no
+EXTRAKEY_ENABLE = yes
+CONSOLE_ENABLE = no
diff --git a/keyboards/atreus62/keymaps/atreus52/README.md b/keyboards/atreus62/keymaps/atreus52/README.md
new file mode 100644
index 000000000..245df7deb
--- /dev/null
+++ b/keyboards/atreus62/keymaps/atreus52/README.md
@@ -0,0 +1,10 @@
+<!-- -*- mode: markdown; fill-column: 8192 -*- -->
+
+Atreus52 Modification
+=======================
+
+Firmware for my custom keyboard based on the Atreus layout, but with 5 rows and only 5 columns per hand.
+More documentation coming soon.
+
+# License
+  GPL-3+
diff --git a/keyboards/atreus62/keymaps/atreus52/config.h b/keyboards/atreus62/keymaps/atreus52/config.h
new file mode 100644
index 000000000..80c3739b9
--- /dev/null
+++ b/keyboards/atreus62/keymaps/atreus52/config.h
@@ -0,0 +1,23 @@
+#include "../../config.h"
+
+#undef MANUFACTURER
+#undef PRODUCT
+#undef DESCRIPTION
+#undef MATRIX_ROWS
+#undef MATRIX_COLS
+#undef MATRIX_ROW_PINS
+#undef MATRIX_COL_PINS
+
+/* USB Device descriptor parameter */
+#define MANUFACTURER    Mesh Industries
+#define PRODUCT         Atreus52 Treeboard
+#define DESCRIPTION     q.m.k. keyboard firmware for Atreus52
+
+/* key matrix size */
+#define MATRIX_ROWS 5
+#define MATRIX_COLS 11
+
+// wiring of each half
+#define MATRIX_ROW_PINS { D2, D3, D1, D0, D4 }
+#define MATRIX_COL_PINS { F4, F5, F6, F7, B1, B3, B2, B6, B5, B4, E6 }
+
diff --git a/keyboards/atreus62/keymaps/atreus52/keymap.c b/keyboards/atreus62/keymaps/atreus52/keymap.c
new file mode 100644
index 000000000..c64e9d498
--- /dev/null
+++ b/keyboards/atreus62/keymaps/atreus52/keymap.c
@@ -0,0 +1,90 @@
+// this is the style you want to emulate.
+// This is the canonical layout file for the Quantum project. If you want to add another keyboard,
+
+#include "menelaus.h"
+
+#define ____ KC_TRNS
+#define xxxx KC_NO
+
+// Layers
+#define QW 0
+#define DV 1
+#define QL 2
+#define DL 3
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+[_QWERTY] = KEYMAP(
+	1,    2,    3,    4,     5,    ____, 6,    7,    8,    9,    0,    \
+	Q,    W,    E,    R,     T,    ____, Y,    U,    I,    O,    P,    \
+	A,    S,    D,    F,     G,    ____, H,    J,    K,    L,    SCLN, \
+	Z,    X,    C,    V,     B,    BSPC, N,    M,    COMM, DOT,  SLSH, \
+	ESC,  TAB,  LCTL, MO(QL),LSFT, ENT,  SPC,  LALT, LGUI, LEFT, RGHT  ),
+
+[_QUP] = KEYMAP(
+	F1,   F2,   F3,   F4,   F5,   ____,  F6,   F7,   F8,   F9,   F10,  \
+	____, ____, ____, ____, ____, ____,  ____, ____, ____, ____, ____, \
+	____, ____, ____, ____, ____, ____,  ____, LEFT, DOWN, UP,   RGHT, \
+	____, ____, ____, ____, ____, ____,  ____, ____, ____, ____, ____, \
+	____, ____, ____, ____, ____, ____,  ____, ____, ____, ____, ____, ),
+
+[_DVORAK] = KEYMAP(
+	1,    2,    3,    4,     5,    ____,  6,    7,    8,    9,    0,   \
+	QUOT, COMM, DOT,  P,     Y,    ____,  F,    G,    C,    R,    L,   \
+	A,    O,    E,    U,     I,    ____,  D,    H,    T,    N,    S,   \
+	SCLN, Q,    J,    K,     X,    BSPC,  B,    M,    W,    V,    Z,   \
+	ESC,  TAB,  LCTL, MO(DP),LSFT, ENT,   SPC,  LALT, LGUI, LEFT, RGHT ),
+
+[_QUP] = KEYMAP(
+	F1,   F2,   F3,   F4,   F5,   ____,  F6,   F7,   F8,   F9,   F10,  \
+	____, ____, ____, ____, ____, ____,  ____, ____, ____, ____, ____, \
+	____, ____, ____, ____, ____, ____,  ____, LEFT, DOWN, UP,   RGHT, \
+	____, ____, ____, ____, ____, ____,  ____, ____, ____, ____, ____, \
+	____, ____, ____, ____, ____, ____,  ____, ____, ____, ____, ____, )
+
+};
+
+const uint16_t PROGMEM fn_actions[] = {
+
+};
+
+const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
+{
+	// MACRODOWN only works in this function
+	switch (id) {
+	case 0:
+		if (record->event.pressed) {
+			register_code(KC_RSFT);
+		}
+		else {
+			unregister_code(KC_RSFT);
+		}
+		break;
+	}
+	return MACRO_NONE;
+};
+
+static uint8_t qw_dv_swap_state = 0;
+
+bool process_record_user (uint16_t keycode, keyrecord_t *record) {
+    if (keycode == KC_LGUI) {
+        if (record->event.pressed)
+            qw_dv_swap_state |= B00000001;
+        else
+            qw_dv_swap_state &= ~(B00000001);
+    }
+    if (keycode == KC_LCTL) {
+        if (record->event.pressed)
+            qw_dv_swap_state |= B00000010;
+        else
+            qw_dv_swap_state &= ~(B00000010);
+    }
+
+    if (qw_dv_swap_state == B00000011) {
+        uint8_t layer = biton32(layer_state);
+        if (layer == QW)
+            TO(DV);
+        else if (layer == DV)
+            TO(QW);
+        return true;
+    }
+}