e1608: the Analog out and Digital I/O panels

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/source/e1608/e1608_panels.hpp

@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: MIT
+// SPDX-FileCopyrightText: 2026 Martino Ferrari
+
+#pragma once
+
+#include "source/source_kind.hpp"
+
+#include <vector>
+
+namespace udpscope {
+
+/// The E-1608's two capability panels, "Analog out" and "Digital I/O". `source` must be an
+/// `e1608::E1608Source`. The widgets reach it only through `source.post()`.
+std::vector<SourcePanel> make_e1608_panels(DataSource& source);
+
+}  // namespace udpscope