diff options
Diffstat (limited to 'extmod/vfs_lfs.c')
| -rw-r--r-- | extmod/vfs_lfs.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/extmod/vfs_lfs.c b/extmod/vfs_lfs.c index 90a1996f9..a53f66f2d 100644 --- a/extmod/vfs_lfs.c +++ b/extmod/vfs_lfs.c @@ -3,7 +3,7 @@ * * The MIT License (MIT) * - * Copyright (c) 2019 Damien P. George + * Copyright (c) 2019-2020 Damien P. George * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal @@ -25,18 +25,20 @@ */ #include "py/runtime.h" +#include "py/mphal.h" #include "extmod/vfs.h" #include "extmod/vfs_lfs.h" #if MICROPY_VFS && (MICROPY_VFS_LFS1 || MICROPY_VFS_LFS2) -enum { LFS_MAKE_ARG_bdev, LFS_MAKE_ARG_readsize, LFS_MAKE_ARG_progsize, LFS_MAKE_ARG_lookahead }; +enum { LFS_MAKE_ARG_bdev, LFS_MAKE_ARG_readsize, LFS_MAKE_ARG_progsize, LFS_MAKE_ARG_lookahead, LFS_MAKE_ARG_mtime }; static const mp_arg_t lfs_make_allowed_args[] = { { MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ }, { MP_QSTR_readsize, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 32} }, { MP_QSTR_progsize, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 32} }, { MP_QSTR_lookahead, MP_ARG_KW_ONLY | MP_ARG_INT, {.u_int = 32} }, + { MP_QSTR_mtime, MP_ARG_KW_ONLY | MP_ARG_BOOL, {.u_bool = true} }, }; #if MICROPY_VFS_LFS1 @@ -98,9 +100,13 @@ mp_obj_t mp_vfs_lfs1_file_open(mp_obj_t self_in, mp_obj_t path_in, mp_obj_t mode #define MP_TYPE_VFS_LFSx mp_type_vfs_lfs2 #define MP_TYPE_VFS_LFSx_(s) mp_type_vfs_lfs2##s +// Attribute ids for lfs2_attr.type. +#define LFS_ATTR_MTIME (1) // 64-bit little endian, nanoseconds since 1970/1/1 + typedef struct _mp_obj_vfs_lfs2_t { mp_obj_base_t base; mp_vfs_blockdev_t blockdev; + bool enable_mtime; vstr_t cur_dir; struct lfs2_config config; lfs2_t lfs; @@ -109,14 +115,25 @@ typedef struct _mp_obj_vfs_lfs2_t { typedef struct _mp_obj_vfs_lfs2_file_t { mp_obj_base_t base; mp_obj_vfs_lfs2_t *vfs; + uint8_t mtime[8]; lfs2_file_t file; struct lfs2_file_config cfg; + struct lfs2_attr attrs[1]; uint8_t file_buffer[0]; } mp_obj_vfs_lfs2_file_t; const char *mp_vfs_lfs2_make_path(mp_obj_vfs_lfs2_t *self, mp_obj_t path_in); mp_obj_t mp_vfs_lfs2_file_open(mp_obj_t self_in, mp_obj_t path_in, mp_obj_t mode_in); +STATIC void lfs_get_mtime(uint8_t buf[8]) { + uint64_t ns = mp_hal_time_ns(); + // Store "ns" to "buf" in little-endian format (essentially htole64). + for (size_t i = 0; i < 8; ++i) { + buf[i] = ns; + ns >>= 8; + } +} + #include "extmod/vfs_lfsx.c" #include "extmod/vfs_lfsx_file.c" |