[FL-2315] USB Mode switch lock (#1036)

* usb mode switch lock
* lock_mutex removed
* Wait for session termination in rpc_cli, lock badusb and u2f if rpc session is opened

Co-authored-by: あく <alleteam@gmail.com>

applications/u2f/scenes/u2f_scene_error.c

@@ -12,16 +12,26 @@ static void u2f_scene_error_event_callback(GuiButtonType result, InputType type,
 void u2f_scene_error_on_enter(void* context) {
     U2fApp* app = context;
 
-    widget_add_icon_element(app->widget, 0, 0, &I_SDQuestion_35x43);
-
-    widget_add_string_multiline_element(
-        app->widget,
-        81,
-        4,
-        AlignCenter,
-        AlignTop,
-        FontSecondary,
-        "No SD card or\napp data found.\nThis app will not\nwork without\nrequired files.");
+    if(app->error == U2fAppErrorNoFiles) {
+        widget_add_icon_element(app->widget, 0, 0, &I_SDQuestion_35x43);
+        widget_add_string_multiline_element(
+            app->widget,
+            81,
+            4,
+            AlignCenter,
+            AlignTop,
+            FontSecondary,
+            "No SD card or\napp data found.\nThis app will not\nwork without\nrequired files.");
+    } else if(app->error == U2fAppErrorCloseRpc) {
+        widget_add_string_multiline_element(
+            app->widget,
+            63,
+            10,
+            AlignCenter,
+            AlignTop,
+            FontSecondary,
+            "Disconnect from\ncompanion app\nto use this function");
+    }
 
     widget_add_button_element(
         app->widget, GuiButtonTypeLeft, "Back", u2f_scene_error_event_callback, app);

applications/u2f/u2f_app.c

@@ -48,10 +48,16 @@ U2fApp* u2f_app_alloc() {
     view_dispatcher_add_view(
         app->view_dispatcher, U2fAppViewMain, u2f_view_get_view(app->u2f_view));
 
-    if(u2f_data_check(true)) {
-        scene_manager_next_scene(app->scene_manager, U2fSceneMain);
-    } else {
+    if(furi_hal_usb_is_locked()) {
+        app->error = U2fAppErrorCloseRpc;
         scene_manager_next_scene(app->scene_manager, U2fSceneError);
+    } else {
+        if(u2f_data_check(true)) {
+            scene_manager_next_scene(app->scene_manager, U2fSceneMain);
+        } else {
+            app->error = U2fAppErrorNoFiles;
+            scene_manager_next_scene(app->scene_manager, U2fSceneError);
+        }
     }
 
     return app;

applications/u2f/u2f_app_i.h

@@ -15,6 +15,11 @@
 #include "u2f_hid.h"
 #include "u2f.h"
 
+typedef enum {
+    U2fAppErrorNoFiles,
+    U2fAppErrorCloseRpc,
+} U2fAppError;
+
 typedef enum {
     U2fCustomEventNone,
 
@@ -52,4 +57,5 @@ struct U2fApp {
     U2fData* u2f_instance;
     GpioCustomEvent event_cur;
     bool u2f_ready;
+    U2fAppError error;
 };

applications/u2f/u2f_hid.c

@@ -191,7 +191,7 @@ static int32_t u2f_hid_worker(void* context) {
     FURI_LOG_D(WORKER_TAG, "Init");
 
     FuriHalUsbInterface* usb_mode_prev = furi_hal_usb_get_config();
-    furi_hal_usb_set_config(&usb_hid_u2f, NULL);
+    furi_check(furi_hal_usb_set_config(&usb_hid_u2f, NULL) == true);
 
     u2f_hid->lock_timer = osTimerNew(u2f_hid_lock_timeout_callback, osTimerOnce, u2f_hid, NULL);