mirror of https://github.com/ArduPilot/ardupilot
64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/*
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FATFS backend for AP_Filesystem
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*/
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#pragma once
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <stddef.h>
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#include "AP_Filesystem_backend.h"
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#if AP_FILESYSTEM_FATFS_ENABLED
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// Seek offset macros
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#define SEEK_SET 0
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#define SEEK_CUR 1
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#define SEEK_END 2
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class AP_Filesystem_FATFS : public AP_Filesystem_Backend
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{
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public:
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// functions that closely match the equivalent posix calls
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int open(const char *fname, int flags, bool allow_absolute_paths = false) override;
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int close(int fd) override;
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int32_t read(int fd, void *buf, uint32_t count) override;
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int32_t write(int fd, const void *buf, uint32_t count) override;
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int fsync(int fd) override;
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int32_t lseek(int fd, int32_t offset, int whence) override;
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int stat(const char *pathname, struct stat *stbuf) override;
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int unlink(const char *pathname) override;
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int mkdir(const char *pathname) override;
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void *opendir(const char *pathname) override;
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int rename(const char *oldpath, const char *newpath) override;
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struct dirent *readdir(void *dirp) override;
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int closedir(void *dirp) override;
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// return free disk space in bytes, -1 on error
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int64_t disk_free(const char *path) override;
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// return total disk space in bytes, -1 on error
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int64_t disk_space(const char *path) override;
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// set modification time on a file
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bool set_mtime(const char *filename, const uint32_t mtime_sec) override;
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// retry mount of filesystem if needed
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bool retry_mount(void) override;
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// unmount filesystem for reboot
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void unmount(void) override;
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// format sdcard. This is async, monitor get_format_status for progress
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bool format(void) override;
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AP_Filesystem_Backend::FormatStatus get_format_status() const override;
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private:
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void format_handler(void);
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FormatStatus format_status;
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};
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#endif // #if AP_FILESYSTEM_FATFS_ENABLED
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