1 files changed, 31 insertions, 0 deletions

diff --git a/quantum/split_common/matrix.h b/quantum/split_common/matrix.h
new file mode 100644
index 000000000..b5cb45bae
--- /dev/null
+++ b/quantum/split_common/matrix.h
@@ -0,0 +1,31 @@
+#ifndef SPLIT_COMMON_MATRIX_H
+#define SPLIT_COMMON_MATRIX_H
+
+#include <common/matrix.h>
+
+#ifdef RGBLIGHT_ENABLE
+#   include "rgblight.h"
+#endif
+
+typedef struct _Serial_m2s_buffer_t {
+#ifdef BACKLIGHT_ENABLE
+    uint8_t backlight_level;
+#endif
+#if defined(RGBLIGHT_ENABLE) && defined(RGBLIGHT_SPLIT)
+    rgblight_config_t rgblight_config; //not yet use
+    //
+    // When MCUs on both sides drive their respective RGB LED chains,
+    // it is necessary to synchronize, so it is necessary to communicate RGB information.
+    // In that case, define the RGBLIGHT_SPLIT macro.
+    //
+    // Otherwise, if the master side MCU drives both sides RGB LED chains,
+    // there is no need to communicate.
+#endif
+} Serial_m2s_buffer_t;
+
+extern volatile Serial_m2s_buffer_t serial_m2s_buffer;
+
+void serial_master_init(void);
+void serial_slave_init(void);
+
+#endif