chuni/chusan: added LED output to DLLs (will break most DLLs)

Credits: somewhatlurker, skogaby
https://dev.s-ul.net/skogaby/segatools/-/blob/ongeki-15093/

fgohook/dllmain.c

@@ -3,6 +3,7 @@
 #include <stdlib.h>
 
 #include "board/io4.h"
+#include "board/led15093.h"
 #include "board/sg-reader.h"
 #include "board/vfd.h"
 
@@ -96,7 +97,8 @@ static DWORD CALLBACK fgo_pre_startup(void)
         goto fail;
     }
 
-    hr = led15093_hook_init(&fgo_hook_cfg.led15093, 17, 1, 1, 2);
+    hr = led15093_hook_init(&fgo_hook_cfg.led15093, 
+        fgo_dll.led_init, fgo_dll.led_set_leds, 17, 1, 1, 2);
 
     if (FAILED(hr)) {
         goto fail;

fgohook/fgo-dll.c

@@ -24,6 +24,12 @@ const struct dll_bind_sym fgo_dll_syms[] = {
     }, {
         .sym = "fgo_io_get_analogs",
         .off = offsetof(struct fgo_dll, get_analogs),
+    }, {
+        .sym = "fgo_io_led_init",
+        .off = offsetof(struct fgo_dll, led_init),
+    }, {
+        .sym = "fgo_io_led_set_leds",
+        .off = offsetof(struct fgo_dll, led_set_leds),
     }
 };
 

fgohook/fgo-dll.h

@@ -11,6 +11,8 @@ struct fgo_dll {
     void (*get_opbtns)(uint8_t *opbtn);
     void (*get_gamebtns)(uint8_t *gamebtn);
     void (*get_analogs)(int16_t *stick_x, int16_t *stick_y);
+    int (*led_init)();
+    void (*led_set_leds)(uint8_t board, uint8_t *rgb);
 };
 
 struct fgo_dll_config {

fgohook/fgohook.def

@@ -17,6 +17,8 @@ EXPORTS
     fgo_io_get_opbtns
     fgo_io_init
     fgo_io_poll
+    fgo_io_led_init
+    fgo_io_led_set_leds
     fwdlusb_open
     fwdlusb_close
     fwdlusb_listupPrinter