3 files changed, 10 insertions, 2 deletions

diff --git a/firmware/export/usb.h b/firmware/export/usb.h
index 9952a074bb..08ae27999a 100644
--- a/firmware/export/usb.h
+++ b/firmware/export/usb.h
@@ -85,7 +85,7 @@ enum {
 struct usb_transfer_completion_event_data
 {
     unsigned char endpoint;
-    bool in;
+    int dir;
     int status;
     int length;
     void* data;
diff --git a/firmware/export/usb_core.h b/firmware/export/usb_core.h
index 6aada54399..9d9e327bb3 100644
--- a/firmware/export/usb_core.h
+++ b/firmware/export/usb_core.h
@@ -45,10 +45,12 @@
 
 extern int usb_max_pkt_size;
 
+struct usb_class_driver;
+
 void usb_core_init(void);
 void usb_core_exit(void);
 void usb_core_control_request(struct usb_ctrlrequest* req);
-void usb_core_transfer_complete(int endpoint, bool in, int status, int length);
+void usb_core_transfer_complete(int endpoint, int dir, int status, int length);
 void usb_core_bus_reset(void);
 bool usb_core_exclusive_connection(void);
 void usb_core_enable_driver(int driver,bool enabled);
@@ -56,6 +58,10 @@ bool usb_core_driver_enabled (int driver);
 void usb_core_handle_transfer_completion(
                              struct usb_transfer_completion_event_data* event);
 int usb_core_ack_control(struct usb_ctrlrequest* req);
+
+int usb_core_request_endpoint(int dir, struct usb_class_driver *drv);
+void usb_core_release_endpoint(int dir);
+
 #ifdef HAVE_HOTSWAP
 void usb_core_hotswap_event(int volume,bool inserted);
 #endif
diff --git a/firmware/export/usb_drv.h b/firmware/export/usb_drv.h
index 3db82efd6a..3bd8e1fdf4 100644
--- a/firmware/export/usb_drv.h
+++ b/firmware/export/usb_drv.h
@@ -41,5 +41,7 @@ int usb_drv_port_speed(void);
 void usb_drv_cancel_all_transfers(void);
 void usb_drv_set_test_mode(int mode);
 bool usb_drv_connected(void);
+int usb_drv_request_endpoint(int dir);
+void usb_drv_release_endpoint(int ep);
 
 #endif