meshtastic-firmware/src/platform/stm32wl/LittleFS.h

86 wiersze
3.0 KiB
C++

#ifndef LITTLEFS_H_
#define LITTLEFS_H_
#include <Stream.h>
#include "lfs.h"
#include "LittleFS_File.h"
#include "FreeRTOS.h" // tied to FreeRTOS for serialization
#include "semphr.h"
class LittleFS
{
public:
LittleFS(void);
explicit LittleFS(struct lfs_config *cfg);
virtual ~LittleFS();
bool begin(struct lfs_config *cfg = NULL);
void end(void);
// Open the specified file/directory with the supplied mode (e.g. read or
// write, etc). Returns a File object for interacting with the file.
// Note that currently only one file can be open at a time.
LittleFS_Namespace::File open(char const *filename, uint8_t mode = LittleFS_Namespace::FILE_O_READ);
// Methods to determine if the requested file path exists.
bool exists(char const *filepath);
// Create the requested directory hierarchy--if intermediate directories
// do not exist they will be created.
bool mkdir(char const *filepath);
// Delete the file.
bool remove(char const *filepath);
// Rename the file.
bool rename(char const *oldfilepath, char const *newfilepath);
// Delete a folder (must be empty)
bool rmdir(char const *filepath);
// Delete a folder (recursively)
bool rmdir_r(char const *filepath);
// format file system
bool format(void);
/*------------------------------------------------------------------*/
/* INTERNAL USAGE ONLY
* Although declare as public, it is meant to be invoked by internal
* code. User should not call these directly
*------------------------------------------------------------------*/
lfs_t *_getFS(void) { return &_lfs; }
void _lockFS(void) { xSemaphoreTake(_mutex, portMAX_DELAY); }
void _unlockFS(void) { xSemaphoreGive(_mutex); }
protected:
bool _mounted;
struct lfs_config *_lfs_cfg;
lfs_t _lfs;
SemaphoreHandle_t _mutex;
private:
StaticSemaphore_t _MutexStorageSpace;
};
#if !CFG_DEBUG
#define VERIFY_LFS(...) _GET_3RD_ARG(__VA_ARGS__, VERIFY_ERR_2ARGS, VERIFY_ERR_1ARGS)(__VA_ARGS__, NULL)
#define PRINT_LFS_ERR(_err)
#else
#define VERIFY_LFS(...) _GET_3RD_ARG(__VA_ARGS__, VERIFY_ERR_2ARGS, VERIFY_ERR_1ARGS)(__VA_ARGS__, dbg_strerr_lfs)
#define PRINT_LFS_ERR(_err) \
do { \
if (_err) { \
VERIFY_MESS((long int)_err, dbg_strerr_lfs); \
} \
} while (0) // LFS_ERR are of type int, VERIFY_MESS expects long_int
const char *dbg_strerr_lfs(int32_t err);
#endif
#endif /* LITTLEFS_H_ */