MICROSD.h - main - electronic_modules/microSD

MICROSD.h
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Электронные Модули | Electronic Modules
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21 окт 2025, 22:09
21 окт 2025, 22:09c1735bc
#ifndef MICROSD_H
#define MICROSD_H

#include <Arduino.h>
#include <SD.h>

// Use FILE_READ and FILE_WRITE directly from SD library
#define MSD_FILE_READ FILE_READ
#define MSD_FILE_WRITE FILE_WRITE

class MicroSDIOFile : public Print {
private:
    char _name[13]; // 8.3 filename format
    File *_file;    // Underlying file pointer
    bool _isOpen;

public:
    MicroSDIOFile();
    MicroSDIOFile(File f, const char *name);
    ~MicroSDIOFile();
    
    // File operations
    virtual size_t write(uint8_t data);
    virtual size_t write(const uint8_t *buf, size_t size);
    virtual int read();
    virtual int peek();
    virtual int available();
    virtual void flush();
    int read(void *buf, uint16_t nbyte);
    bool seek(uint32_t pos);
    uint32_t position();
    uint32_t size();
    void close();
    operator bool();
    char* name();

    // Directory operations
    bool isDirectory(void);
    MicroSDIOFile openNextFile(uint8_t mode = MSD_FILE_READ);
    void rewindDirectory(void);
    
    // Print methods
    using Print::write; // Import other write methods
    size_t println(const char* str);
    size_t println(const String &str);
    size_t println(int num);
    size_t print(const char* str);
    size_t print(const String &str);
    size_t print(int num);
};

class MICRO_SD {
private:
    int _MSD_CMD;
    int _MSD_CLK;
    int _MSD_DAT0;
    int _MSD_DAT1;
    int _MSD_DAT2;
    int _MSD_DAT3;
    
    bool _initialized;

public:
    MICRO_SD(int MSD_CMD, int MSD_CLK, int MSD_DAT0, int MSD_DAT1, int MSD_DAT2, int MSD_DAT3);
    
    // Initialization
    bool initial();
    void finish();
    
    // File operations
    MicroSDIOFile open(const char *filename, uint8_t mode = MSD_FILE_READ);
    MicroSDIOFile open(const String &filename, uint8_t mode = MSD_FILE_READ);
    
    // File system operations
    bool exists(const char *filepath);
    bool exists(const String &filepath);
    bool mkdir(const char *filepath);
    bool mkdir(const String &filepath);
    bool remove(const char *filepath);
    bool remove(const String &filepath);
    bool rmdir(const char *filepath);
    bool rmdir(const String &filepath);
    
    // Information
    uint64_t totalBytes();
    uint64_t usedBytes();
    uint64_t freeBytes();
    bool isInitialized();
    
    // Utility functions
    void listFiles(const char *dirname = "/");
    bool format();
    
    // SDIO specific functions
    bool set4BitMode();
    bool set1BitMode();
    uint32_t getCID();
    uint32_t getCSD();
};

#endif