1 files changed, 56 insertions, 0 deletions
diff --git a/keyboards/splitkb/aurora/helix/rev1/rev1.c b/keyboards/splitkb/aurora/helix/rev1/rev1.c
new file mode 100644
index 0000000000..da24934eef
--- /dev/null
+++ b/keyboards/splitkb/aurora/helix/rev1/rev1.c
@@ -0,0 +1,56 @@
+/* Copyright 2023 splitkb.com <support@splitkb.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/>.
+ */
+
+#include QMK_KEYBOARD_H
+
+//  Overriding is_keyboard_left() in qmk_firmware/quantum/split_common/split_util.c to limit the handedness check only once.
+//  reason: SPLIT_HAND_PIN is shared with the RGB pin so we don't want to keep reusing the pin for handedness checks.
+bool is_keyboard_left(void) {
+static enum { UNKNOWN, LEFT, RIGHT } hand_side = UNKNOWN;
+    // only check once, as this is called often
+    if (hand_side == UNKNOWN) {
+        #if defined(SPLIT_HAND_PIN)
+            // Test pin SPLIT_HAND_PIN for High/Low, if low it's right hand
+            setPinInput(SPLIT_HAND_PIN);
+            hand_side = readPin(SPLIT_HAND_PIN) ? LEFT : RIGHT;
+            return (hand_side == LEFT);
+        #endif
+        hand_side = is_keyboard_master() ? LEFT : RIGHT;
+        return (hand_side == LEFT);
+    } else {
+        return (hand_side == LEFT);
+    }
+}
+
+#ifdef SWAP_HANDS_ENABLE
+// clang-format off
+    __attribute__ ((weak)) const keypos_t PROGMEM hand_swap_config[MATRIX_ROWS][MATRIX_COLS] = {
+        {{0, 5}, {1, 5}, {2, 5}, {3, 5}, {4, 5}, {5, 5}, {6, 5}},
+        {{0, 6}, {1, 6}, {2, 6}, {3, 6}, {4, 6}, {5, 6}, {6, 6}},
+        {{0, 7}, {1, 7}, {2, 7}, {3, 7}, {4, 7}, {5, 7}, {6, 7}},
+        {{0, 8}, {1, 8}, {2, 8}, {3, 8}, {4, 8}, {5, 8}, {6, 8}},
+        {{0, 9}, {1, 9}, {2, 9}, {3, 9}, {4, 9}, {5, 9}, {6, 9}},
+        {{0, 0}, {1, 0}, {2, 0}, {3, 0}, {4, 0}, {5, 0}, {6, 0}},
+        {{0, 1}, {1, 1}, {2, 1}, {3, 1}, {4, 1}, {5, 1}, {6, 1}},
+        {{0, 2}, {1, 2}, {2, 2}, {3, 2}, {4, 2}, {5, 2}, {6, 2}},
+        {{0, 3}, {1, 3}, {2, 3}, {3, 3}, {4, 3}, {5, 3}, {6, 3}},
+        {{0, 4}, {1, 4}, {2, 4}, {3, 4}, {4, 4}, {5, 4}, {6, 4}}
+    };
+// clang-format on
+#    ifdef ENCODER_MAP_ENABLE
+        const uint8_t PROGMEM encoder_hand_swap_config[NUM_ENCODERS] = {1,0};
+#    endif
+#endif