fixed a bug where the controller isn't connected

source/hid_custom.c

@@ -0,0 +1,63 @@
+
+#include "hid_custom.h"
+
+#include <stdio.h>
+
+Mutex shmem_mutex;
+u64 AppletResourceUserId;
+
+static Result _customHidCreateAppletResource(Service *srv, Service *out_iappletresource) {
+    appletGetAppletResourceUserId(&AppletResourceUserId);
+
+    return serviceDispatchIn(srv, 0, AppletResourceUserId,
+                             .in_send_pid = true,
+                             .out_num_objects = 1,
+                             .out_objects = out_iappletresource, );
+}
+
+static Result _customHidGetSharedMemoryHandle(Service *srv, Handle *handle_out) {
+    return serviceDispatch(srv, 0,
+                           .out_handle_attrs = {SfOutHandleAttr_HipcCopy},
+                           .out_handles = handle_out, );
+}
+
+void customHidSetup(Service* hid_service, Service* out_iappletresource, SharedMemory* out_real_shmem, SharedMemory* out_fake_shmem)
+{
+    Result rc;
+    rc = _customHidCreateAppletResource(hid_service, out_iappletresource); // Executes the original ipc
+    if (R_FAILED(rc))
+        fatalThrow(rc);
+
+    Handle sharedMemHandle;
+
+    rc = _customHidGetSharedMemoryHandle(out_iappletresource, &sharedMemHandle);
+    if (R_FAILED(rc))
+        fatalThrow(rc);
+
+    shmemLoadRemote(out_real_shmem, sharedMemHandle, 0x40000, Perm_R);
+    rc = shmemMap(out_real_shmem);
+    if (R_FAILED(rc))
+        fatalThrow(rc);
+
+    shmemCreate(out_fake_shmem, sizeof(HidSharedMemory), Perm_Rw, Perm_R);
+    shmemMap(out_fake_shmem);
+
+}
+
+void customHidExit(Service* iappletresource, SharedMemory* real_shmem, SharedMemory* fake_shmem) 
+{
+    mutexLock(&shmem_mutex);
+    shmemUnmap(real_shmem);
+    shmemClose(real_shmem);
+
+    shmemUnmap(fake_shmem);
+    shmemClose(fake_shmem);
+    mutexUnlock(&shmem_mutex);
+
+    serviceClose(iappletresource);
+}
+
+void customHidInitialize()
+{
+    mutexInit(&shmem_mutex);
+}

source/hid_custom.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+#include <switch.h>
+
+void customHidSetup(Service *hid_service, Service *out_iappletresource, SharedMemory *out_real_shmem, SharedMemory *out_fake_shmem);
+void customHidExit(Service *iappletresource, SharedMemory *real_shmem, SharedMemory *fake_shmem);
+void customHidInitialize();
+
+extern Mutex shmem_mutex;
+
+#ifdef __cplusplus
+}
+#endif