Add furi_hal_usb_get_config_context()

firmware/targets/f7/api_symbols.csv

@@ -1499,6 +1499,7 @@ Function,+,furi_hal_uart_tx,void,"FuriHalUartId, uint8_t*, size_t"
 Function,+,furi_hal_usb_disable,void,
 Function,+,furi_hal_usb_enable,void,
 Function,+,furi_hal_usb_get_config,FuriHalUsbInterface*,
+Function,+,furi_hal_usb_get_config_context,void*,
 Function,-,furi_hal_usb_init,void,
 Function,+,furi_hal_usb_is_locked,_Bool,
 Function,+,furi_hal_usb_lock,void,

firmware/targets/f7/furi_hal/furi_hal_usb.c

@@ -17,6 +17,7 @@
 typedef enum {
     UsbApiEventTypeSetConfig,
     UsbApiEventTypeGetConfig,
+    UsbApiEventTypeGetConfigContext,
     UsbApiEventTypeLock,
     UsbApiEventTypeUnlock,
     UsbApiEventTypeIsLocked,
@@ -168,6 +169,21 @@ FuriHalUsbInterface* furi_hal_usb_get_config() {
     return return_data.void_value;
 }
 
+void* furi_hal_usb_get_config_context() {
+    UsbApiEventReturnData return_data = {
+        .void_value = NULL,
+    };
+
+    UsbApiEventMessage msg = {
+        .lock = api_lock_alloc_locked(),
+        .type = UsbApiEventTypeGetConfigContext,
+        .return_data = &return_data,
+    };
+
+    furi_hal_usb_send_message(&msg);
+    return return_data.void_value;
+}
+
 void furi_hal_usb_lock() {
     UsbApiEventMessage msg = {
         .lock = api_lock_alloc_locked(),
@@ -411,6 +427,9 @@ static void usb_process_message(UsbApiEventMessage* message) {
     case UsbApiEventTypeGetConfig:
         message->return_data->void_value = usb.interface;
         break;
+    case UsbApiEventTypeGetConfigContext:
+        message->return_data->void_value = usb.interface_context;
+        break;
     case UsbApiEventTypeLock:
         FURI_LOG_I(TAG, "Mode lock");
         usb.mode_lock = true;

firmware/targets/furi_hal_include/furi_hal_usb.h

@@ -56,6 +56,12 @@ bool furi_hal_usb_set_config(FuriHalUsbInterface* new_if, void* ctx);
  */
 FuriHalUsbInterface* furi_hal_usb_get_config();
 
+/** Get USB device configuration context
+ *
+ * @return    current USB device context
+ */
+void* furi_hal_usb_get_config_context();
+
 /** Lock USB device mode switch
  */
 void furi_hal_usb_lock();