Complete except for throttling bug.

src/Tone3000DownloadType.cpp

@@ -0,0 +1,59 @@
+/*
+ *   Copyright (c) 2026 Robin E. R. Davies
+ *   All rights reserved.
+
+ *   Permission is hereby granted, free of charge, to any person obtaining a copy
+ *   of this software and associated documentation files (the "Software"), to deal
+ *   in the Software without restriction, including without limitation the rights
+ *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ *   copies of the Software, and to permit persons to whom the Software is
+ *   furnished to do so, subject to the following conditions:
+ 
+ *   The above copyright notice and this permission notice shall be included in all
+ *   copies or substantial portions of the Software.
+ 
+ *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ *   SOFTWARE.
+ */
+
+ #include "Tone3000DownloadType.hpp"
+ #include <stdexcept>
+ #include <unordered_map>
+
+namespace pipedal {
+
+    // Must agree with Tone3000DownloadType.tsx
+
+    static std::unordered_map<std::string,Tone3000DownloadType> downloadTypeEnums =
+    {
+        {"nam", Tone3000DownloadType::Nam},
+        {"cabir", Tone3000DownloadType::CabIr},
+    };
+    Tone3000DownloadType StringToTone3000DownloadType(const std::string &value)
+    {
+        auto ff = downloadTypeEnums.find(value);
+        if (ff == downloadTypeEnums.end()) 
+        {
+            throw std::runtime_error("Invalid argument.");
+        }
+        return ff->second;
+    }
+    std::string Tone3000DownloadTypeToString(Tone3000DownloadType value)
+    {
+        switch (value)
+        {
+            case Tone3000DownloadType::Nam:
+                return "nam";
+            case Tone3000DownloadType::CabIr:
+                return "cabir";
+            default:
+                throw std::runtime_error("Inalid argument.");
+        }
+    }
+
+}