C8 capture support (#1286)

* C8 conversion * C8 conversion * C8 support * C8 support * C8 support * C8 support * Don't auto-convert GPS C8 files * C8 support * C8 support * C8 support * Remove hang workaround (different PR) * Comment change * Clang * Clang * Clang * Merged change from PR #1287 * C8 support * C8 support * Improve bandwidth display * Merged minor optimization from PR 1289 * Merge change from PR 1289 * Use complex types for C8/C16 conversion * C8 support * C8 support * C8 support * C8 support * Roll back changes * Roll back C8 changes * C8 support * C8 support * C8 support * C8 support * C8 support * Don't transmit samples past EOF * Don't transmit samples past EOF * Clang * Clang attempt * Clang attempt * C8 support * Clang
2025-08-13 08:55:39 -04:00 · 2023-07-22 02:20:56 -05:00 · 2023-07-22 02:20:56 -05:00 · d6b0173e7a
commit d6b0173e7a
parent 8eafe27955
14 changed files with 300 additions and 44 deletions
--- a/firmware/application/io_convert.hpp
+++ b/firmware/application/io_convert.hpp
@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2023 Mark Thompson
+ *
+ * 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.
+ */
+
+#pragma once
+
+#include "io_file.hpp"
+
+#include "io.hpp"
+#include "file.hpp"
+#include "optional.hpp"
+
+#include <cstdint>
+
+namespace file_convert {
+
+void c8_to_c16(const void* buffer, File::Size bytes);
+void c32_to_c16(const void* buffer, File::Size bytes);
+void c16_to_c8(const void* buffer, File::Size bytes);
+
+} /* namespace file_convert */
+
+class FileConvertReader : public stream::Reader {
+   public:
+    FileConvertReader() = default;
+
+    FileConvertReader(const FileConvertReader&) = delete;
+    FileConvertReader& operator=(const FileConvertReader&) = delete;
+    FileConvertReader(FileConvertReader&& file) = delete;
+    FileConvertReader& operator=(FileConvertReader&&) = delete;
+
+    Optional<File::Error> open(const std::filesystem::path& filename);
+
+    File::Result<File::Size> read(void* const buffer, const File::Size bytes) override;
+    const File& file() const& { return file_; }
+
+    bool convert_c8_to_c16{};
+    bool convert_c32_to_c16{};
+
+   protected:
+    File file_{};
+    uint64_t bytes_read_{0};
+};
+
+class FileConvertWriter : public stream::Writer {
+   public:
+    FileConvertWriter() = default;
+
+    FileConvertWriter(const FileConvertWriter&) = delete;
+    FileConvertWriter& operator=(const FileConvertWriter&) = delete;
+    FileConvertWriter(FileConvertWriter&& file) = delete;
+    FileConvertWriter& operator=(FileConvertWriter&&) = delete;
+
+    Optional<File::Error> create(const std::filesystem::path& filename);
+
+    File::Result<File::Size> write(const void* const buffer, const File::Size bytes) override;
+    const File& file() const& { return file_; }
+
+    bool convert_c16_to_c8{};
+
+   protected:
+    File file_{};
+    uint64_t bytes_written_{0};
+};