make sd over usb external (#2918)

firmware/application/external/sdusb/ui_sd_over_usb.cpp

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2023 Bernd Herzog
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "ui_sd_over_usb.hpp"
+#include "portapack_shared_memory.hpp"
+
+namespace ui::external_app::sdusb {
+
+SdOverUsbView::SdOverUsbView(NavigationView& nav)
+    : nav_(nav) {
+    add_children({&labels,
+                  &button_run});
+
+    button_run.on_select = [this](Button&) {
+        ui::Painter painter;
+        painter.fill_rectangle(
+            {0, 0, portapack::display.width(), portapack::display.height()},
+            Theme::getInstance()->bg_darkest->background);
+
+        painter.draw_bitmap(
+            {portapack::display.width() / 2 - 8, portapack::display.height() / 2 - 8},
+            bitmap_icon_hackrf,
+            Theme::getInstance()->bg_darkest->foreground,
+            Theme::getInstance()->bg_darkest->background);
+
+        sdcDisconnect(&SDCD1);
+        sdcStop(&SDCD1);
+
+        portapack::shutdown(true);
+        baseband::run_prepared_image(portapack::memory::map::m4_code.base());
+        m0_halt();
+        /* will not return*/
+    };
+}
+
+void SdOverUsbView::focus() {
+    button_run.focus();
+}
+
+}  // namespace ui::external_app::sdusb