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On ESP32-C3 with USB CDC, Serial.printf() blocks indefinitely when USB is not connected. This caused device freezes when booted without USB. Solution: Call Serial.setTxTimeoutMs(0) after Serial.begin() to make all Serial output non-blocking. Also added if (Serial) guards to high-traffic logging paths in EpubReaderActivity as belt-and-suspenders protection. Includes documentation of the debugging process and Serial call inventory. Also applies clang-format to fix pre-existing formatting issues.
45 lines
1.8 KiB
C++
45 lines
1.8 KiB
C++
#pragma once
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#include <functional>
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#include <memory>
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#include "Epub.h"
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class Page;
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class GfxRenderer;
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class Section {
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std::shared_ptr<Epub> epub;
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const int spineIndex;
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GfxRenderer& renderer;
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std::string filePath;
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FsFile file;
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void writeSectionFileHeader(int fontId, float lineCompression, bool extraParagraphSpacing, uint8_t paragraphAlignment,
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uint16_t viewportWidth, uint16_t viewportHeight, bool hyphenationEnabled);
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uint32_t onPageComplete(std::unique_ptr<Page> page);
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public:
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uint16_t pageCount = 0;
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int currentPage = 0;
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explicit Section(const std::shared_ptr<Epub>& epub, const int spineIndex, GfxRenderer& renderer)
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: epub(epub),
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spineIndex(spineIndex),
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renderer(renderer),
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filePath(epub->getCachePath() + "/sections/" + std::to_string(spineIndex) + ".bin") {}
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~Section() = default;
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bool loadSectionFile(int fontId, float lineCompression, bool extraParagraphSpacing, uint8_t paragraphAlignment,
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uint16_t viewportWidth, uint16_t viewportHeight, bool hyphenationEnabled);
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bool clearCache() const;
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bool createSectionFile(int fontId, float lineCompression, bool extraParagraphSpacing, uint8_t paragraphAlignment,
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uint16_t viewportWidth, uint16_t viewportHeight, bool hyphenationEnabled,
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const std::function<void()>& progressSetupFn = nullptr,
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const std::function<void(int)>& progressFn = nullptr);
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std::unique_ptr<Page> loadPageFromSectionFile();
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// Methods for content offset-based position tracking
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// Used to restore reading position after re-indexing due to font/setting changes
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int findPageForContentOffset(uint32_t targetOffset) const;
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uint32_t getContentOffsetForPage(int pageIndex) const;
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};
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