refactor all common parts and games

common/board/sg-led.h

@@ -0,0 +1,32 @@
+#pragma once
+
+#include <windows.h>
+
+#include <stdint.h>
+
+#include "hook/iobuf.h"
+
+struct sg_led_ops {
+    HRESULT (*reset)(void *ctx);
+    void (*set_color)(void *ctx, uint8_t r, uint8_t g, uint8_t b);
+};
+
+struct sg_led {
+    const struct sg_led_ops *ops;
+    void *ops_ctx;
+    uint8_t addr;
+    unsigned int gen;
+};
+
+void sg_led_init(
+        struct sg_led *led,
+        uint8_t addr,
+        const struct sg_led_ops *ops,
+        unsigned int gen,
+        void *ctx);
+
+void sg_led_transact(
+        struct sg_led *led,
+        struct iobuf *res_frame,
+        const void *req_bytes,
+        size_t req_nbytes);