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57 lines
1.6 KiB
57 lines
1.6 KiB
/* |
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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 <ff.h> |
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#include "AP_Filesystem_backend.h" |
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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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#if FF_USE_LFN != 0 |
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#define MAX_NAME_LEN FF_MAX_LFN |
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#else |
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#define MAX_NAME_LEN 13 |
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#endif |
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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) 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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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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};
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