[FL-1819][FL-1848] About: hw, fw, boot version screens. Misc corrections of the About screens. (#719)

* About: hw, fw, boot version screens
* About: fix comment
* FuriHal: proper ARR in OS tick timer
* GpioTester: all pins on/off option
* Irda: fix release build
* Format sources

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

applications/gui/modules/empty_screen.c

@@ -0,0 +1,34 @@
+#include "empty_screen.h"
+#include <furi.h>
+
+struct EmptyScreen {
+    View* view;
+};
+
+static void empty_screen_view_draw_callback(Canvas* canvas, void* _model) {
+    canvas_clear(canvas);
+}
+
+static bool empty_screen_view_input_callback(InputEvent* event, void* context) {
+    return false;
+}
+
+EmptyScreen* empty_screen_alloc() {
+    EmptyScreen* empty_screen = furi_alloc(sizeof(EmptyScreen));
+    empty_screen->view = view_alloc();
+    view_set_context(empty_screen->view, empty_screen);
+    view_set_draw_callback(empty_screen->view, empty_screen_view_draw_callback);
+    view_set_input_callback(empty_screen->view, empty_screen_view_input_callback);
+    return empty_screen;
+}
+
+void empty_screen_free(EmptyScreen* empty_screen) {
+    furi_assert(empty_screen);
+    view_free(empty_screen->view);
+    free(empty_screen);
+}
+
+View* empty_screen_get_view(EmptyScreen* empty_screen) {
+    furi_assert(empty_screen);
+    return empty_screen->view;
+}

applications/gui/modules/empty_screen.h

@@ -0,0 +1,29 @@
+#pragma once
+#include <gui/view.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Empty screen anonymous structure */
+typedef struct EmptyScreen EmptyScreen;
+
+/* Allocate and initialize empty screen
+ * This empty screen used to ask simple questions like Yes/
+ */
+EmptyScreen* empty_screen_alloc();
+
+/* Deinitialize and free empty screen
+ * @param empty_screen - Empty screen instance
+ */
+void empty_screen_free(EmptyScreen* empty_screen);
+
+/* Get empty screen view
+ * @param empty_screen - Empty screen instance
+ * @return View instance that can be used for embedding
+ */
+View* empty_screen_get_view(EmptyScreen* empty_screen);
+
+#ifdef __cplusplus
+}
+#endif