[Keyboard] Add Lain keyboard (#16345)

Co-authored-by: Joel Challis <git@zvecr.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/keyboards/dm9records/lain/lain.h b/keyboards/dm9records/lain/lain.h
new file mode 100644
index 0000000000..e449416e50
--- /dev/null
+++ b/keyboards/dm9records/lain/lain.h
@@ -0,0 +1,41 @@
+// Copyright 2022 Takuya Urakawa @hsgw (dm9records.com, 5z6p.com)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "quantum.h"
+
+typedef union {
+    uint32_t raw;
+    struct {
+        bool led_enabled : 1;
+    };
+} keyboard_config_t;
+
+extern keyboard_config_t lain_config;
+
+void lain_set_led(uint8_t no, bool flag);
+void lain_enable_leds(bool flag);
+void lain_enable_leds_toggle(void);
+
+/* This is a shortcut to help you visually see your layout.
+ *
+ * The first section contains all of the arguments representing the physical
+ * layout of the board and position of the keys.
+ *
+ * The second converts the arguments into a two-dimensional array which
+ * represents the switch matrix.
+ */
+// clang-format off
+#define LAYOUT( \
+    k01,k02,k03,k04,k05,k06,k07,    k08,k09,k10,k11,k12,k13, \
+    k14,k15,k16,k17,k18,k19,k20,    k21,k22,k23,k24,k25,k26, \
+    k27,k28,k29,k30,k31,k32,        k33,k34,k35,k36,k37,k38, \
+            k39,k40,k41,k42,k43,    k44,k45,k46,k47,k48,k49) \
+    { \
+        {k01,  k02,  k03,k04,k05,k06,k07,    k08,k09,k10,k11,k12,k13}, \
+        {k14,  k15,  k16,k17,k18,k19,k20,    k21,k22,k23,k24,k25,k26}, \
+        {k27,  k28,  k29,k30,k31,k32,KC_NO,  k33,k34,k35,k36,k37,k38}, \
+        {KC_NO,k39,  k40,k41,k42,k43,KC_NO,  k44,k45,k46,k47,k48,k49} \
+    }
+// clang-format on