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-rw-r--r--stmhal/moduos.c294
1 files changed, 22 insertions, 272 deletions
diff --git a/stmhal/moduos.c b/stmhal/moduos.c
index 158e530ff4..976d7f089d 100644
--- a/stmhal/moduos.c
+++ b/stmhal/moduos.c
@@ -31,15 +31,14 @@
#include "py/runtime.h"
#include "py/objtuple.h"
#include "py/objstr.h"
+#include "lib/oofatfs/ff.h"
+#include "lib/oofatfs/diskio.h"
+#include "extmod/vfs.h"
+#include "extmod/vfs_fat.h"
#include "genhdr/mpversion.h"
-#include "lib/fatfs/ff.h"
-#include "lib/fatfs/diskio.h"
#include "timeutils.h"
#include "rng.h"
#include "uart.h"
-#include "extmod/vfs_fat.h"
-#include "sdcard.h"
-#include "extmod/fsusermount.h"
#include "portmodules.h"
/// \module os - basic "operating system" services
@@ -80,263 +79,13 @@ STATIC mp_obj_t os_uname(void) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(os_uname_obj, os_uname);
-/// \function chdir(path)
-/// Change current directory.
-STATIC mp_obj_t os_chdir(mp_obj_t path_in) {
- const char *path;
- path = mp_obj_str_get_str(path_in);
-
- FRESULT res = f_chdrive(path);
-
- if (res == FR_OK) {
- res = f_chdir(path);
- }
-
- if (res != FR_OK) {
- // TODO should be mp_type_FileNotFoundError
- nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "No such file or directory: '%s'", path));
- }
-
- return mp_const_none;
-}
-STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_chdir_obj, os_chdir);
-
-/// \function getcwd()
-/// Get the current directory.
-STATIC mp_obj_t os_getcwd(void) {
- char buf[MICROPY_ALLOC_PATH_MAX + 1];
- FRESULT res = f_getcwd(buf, sizeof buf);
-
- if (res != FR_OK) {
- mp_raise_OSError(fresult_to_errno_table[res]);
- }
-
- return mp_obj_new_str(buf, strlen(buf), false);
-}
-STATIC MP_DEFINE_CONST_FUN_OBJ_0(os_getcwd_obj, os_getcwd);
-
-/// \function listdir([dir])
-/// With no argument, list the current directory. Otherwise list the given directory.
-STATIC mp_obj_t os_listdir(mp_uint_t n_args, const mp_obj_t *args) {
- bool is_str_type = true;
- const char *path;
- if (n_args == 1) {
- if (mp_obj_get_type(args[0]) == &mp_type_bytes) {
- is_str_type = false;
- }
- path = mp_obj_str_get_str(args[0]);
- } else {
- path = "";
- }
-
- // "hack" to list root directory
- if (path[0] == '/' && path[1] == '\0') {
- mp_obj_t dir_list = mp_obj_new_list(0, NULL);
- for (size_t i = 0; i < MP_ARRAY_SIZE(MP_STATE_PORT(fs_user_mount)); ++i) {
- fs_user_mount_t *vfs = MP_STATE_PORT(fs_user_mount)[i];
- if (vfs != NULL) {
- mp_obj_list_append(dir_list, mp_obj_new_str(vfs->str + 1, vfs->len - 1, false));
- }
- }
- return dir_list;
- }
-
- return fat_vfs_listdir(path, is_str_type);
-}
-STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(os_listdir_obj, 0, 1, os_listdir);
-
-/// \function mkdir(path)
-/// Create a new directory.
-STATIC mp_obj_t os_mkdir(mp_obj_t path_o) {
- const char *path = mp_obj_str_get_str(path_o);
- FRESULT res = f_mkdir(path);
- switch (res) {
- case FR_OK:
- return mp_const_none;
- case FR_EXIST:
- // TODO should be FileExistsError
- nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "File exists: '%s'", path));
- default:
- nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "Error creating directory '%s'", path));
- }
-}
-STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_mkdir_obj, os_mkdir);
-
-/// \function remove(path)
-/// Remove a file.
-STATIC mp_obj_t os_remove(mp_obj_t path_o) {
- const char *path = mp_obj_str_get_str(path_o);
- // TODO check that path is actually a file before trying to unlink it
- FRESULT res = f_unlink(path);
- switch (res) {
- case FR_OK:
- return mp_const_none;
- default:
- nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "Error removing file '%s'", path));
- }
-}
-STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_remove_obj, os_remove);
-
-/// \function rename(old_path, new_path)
-/// Rename a file
-STATIC mp_obj_t os_rename(mp_obj_t path_in, mp_obj_t path_out) {
- const char *old_path = mp_obj_str_get_str(path_in);
- const char *new_path = mp_obj_str_get_str(path_out);
- FRESULT res = f_rename(old_path, new_path);
- if (res == FR_EXIST) {
- // if new_path exists then try removing it
- res = f_unlink(new_path);
- if (res == FR_OK) {
- // try to rename again
- res = f_rename(old_path, new_path);
- }
- }
- switch (res) {
- case FR_OK:
- return mp_const_none;
- default:
- nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "Error renaming file '%s' to '%s'", old_path, new_path));
- }
-
-}
-STATIC MP_DEFINE_CONST_FUN_OBJ_2(os_rename_obj, os_rename);
-
-/// \function rmdir(path)
-/// Remove a directory.
-STATIC mp_obj_t os_rmdir(mp_obj_t path_o) {
- const char *path = mp_obj_str_get_str(path_o);
- // TODO check that path is actually a directory before trying to unlink it
- FRESULT res = f_unlink(path);
- switch (res) {
- case FR_OK:
- return mp_const_none;
- default:
- nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "Error removing directory '%s'", path));
- }
-}
-STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_rmdir_obj, os_rmdir);
-
-// Checks for path equality, ignoring trailing slashes:
-// path_equal(/, /) -> true
-// path_equal(/flash//, /flash) -> true
-// second argument must be in canonical form (meaning no trailing slash, unless it's just /)
-STATIC bool path_equal(const char *path, const char *path_canonical) {
- for (; *path_canonical != '\0' && *path == *path_canonical; ++path, ++path_canonical) {
- }
- if (*path_canonical != '\0') {
- return false;
- }
- for (; *path == '/'; ++path) {
- }
- return *path == '\0';
-}
-
-/// \function stat(path)
-/// Get the status of a file or directory.
-STATIC mp_obj_t os_stat(mp_obj_t path_in) {
- const char *path = mp_obj_str_get_str(path_in);
-
- FILINFO fno;
-#if _USE_LFN
- fno.lfname = NULL;
- fno.lfsize = 0;
-#endif
-
- FRESULT res;
- if (path_equal(path, "/")) {
- // stat root directory
- fno.fsize = 0;
- fno.fdate = 0;
- fno.ftime = 0;
- fno.fattrib = AM_DIR;
- } else {
- res = FR_NO_PATH;
- for (size_t i = 0; i < MP_ARRAY_SIZE(MP_STATE_PORT(fs_user_mount)); ++i) {
- fs_user_mount_t *vfs = MP_STATE_PORT(fs_user_mount)[i];
- if (vfs != NULL && path_equal(path, vfs->str)) {
- // stat mounted device directory
- fno.fsize = 0;
- fno.fdate = 0;
- fno.ftime = 0;
- fno.fattrib = AM_DIR;
- res = FR_OK;
- }
- }
- if (res == FR_NO_PATH) {
- // stat normal file
- res = f_stat(path, &fno);
- }
- if (res != FR_OK) {
- mp_raise_OSError(fresult_to_errno_table[res]);
- }
- }
-
- mp_obj_tuple_t *t = mp_obj_new_tuple(10, NULL);
- mp_int_t mode = 0;
- if (fno.fattrib & AM_DIR) {
- mode |= 0x4000; // stat.S_IFDIR
- } else {
- mode |= 0x8000; // stat.S_IFREG
- }
- mp_int_t seconds = timeutils_seconds_since_2000(
- 1980 + ((fno.fdate >> 9) & 0x7f),
- (fno.fdate >> 5) & 0x0f,
- fno.fdate & 0x1f,
- (fno.ftime >> 11) & 0x1f,
- (fno.ftime >> 5) & 0x3f,
- 2 * (fno.ftime & 0x1f)
- );
- t->items[0] = MP_OBJ_NEW_SMALL_INT(mode); // st_mode
- t->items[1] = MP_OBJ_NEW_SMALL_INT(0); // st_ino
- t->items[2] = MP_OBJ_NEW_SMALL_INT(0); // st_dev
- t->items[3] = MP_OBJ_NEW_SMALL_INT(0); // st_nlink
- t->items[4] = MP_OBJ_NEW_SMALL_INT(0); // st_uid
- t->items[5] = MP_OBJ_NEW_SMALL_INT(0); // st_gid
- t->items[6] = MP_OBJ_NEW_SMALL_INT(fno.fsize); // st_size
- t->items[7] = MP_OBJ_NEW_SMALL_INT(seconds); // st_atime
- t->items[8] = MP_OBJ_NEW_SMALL_INT(seconds); // st_mtime
- t->items[9] = MP_OBJ_NEW_SMALL_INT(seconds); // st_ctime
-
- return t;
-}
-STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_stat_obj, os_stat);
-
-STATIC mp_obj_t os_statvfs(mp_obj_t path_in) {
- const char *path = mp_obj_str_get_str(path_in);
-
- DWORD nclst;
- FATFS *fatfs;
- FRESULT res = f_getfree(path, &nclst, &fatfs);
- if (res != FR_OK) {
- goto error;
- }
-
- mp_obj_tuple_t *t = mp_obj_new_tuple(10, NULL);
-
- t->items[0] = MP_OBJ_NEW_SMALL_INT(fatfs->csize * 512); // f_bsize - block size
- t->items[1] = t->items[0]; // f_frsize - fragment size
- t->items[2] = MP_OBJ_NEW_SMALL_INT((fatfs->n_fatent - 2) * fatfs->csize); // f_blocks - total number of blocks
- t->items[3] = MP_OBJ_NEW_SMALL_INT(nclst); // f_bfree - number of free blocks
- t->items[4] = t->items[3]; // f_bavail - free blocks avail to unpriviledged users
- t->items[5] = MP_OBJ_NEW_SMALL_INT(0); // f_files - # inodes
- t->items[6] = MP_OBJ_NEW_SMALL_INT(0); // f_ffree - # free inodes
- t->items[7] = MP_OBJ_NEW_SMALL_INT(0); // f_favail - # free inodes avail to unpriviledges users
- t->items[8] = MP_OBJ_NEW_SMALL_INT(0); // f_flags
- t->items[9] = MP_OBJ_NEW_SMALL_INT(_MAX_LFN); // f_namemax
-
- return t;
-
-error:
- mp_raise_OSError(fresult_to_errno_table[res]);
-}
-STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_statvfs_obj, os_statvfs);
-
/// \function sync()
/// Sync all filesystems.
STATIC mp_obj_t os_sync(void) {
- disk_ioctl(0, CTRL_SYNC, NULL);
- disk_ioctl(1, CTRL_SYNC, NULL);
- disk_ioctl(2, CTRL_SYNC, NULL);
+ for (mp_vfs_mount_t *vfs = MP_STATE_VM(vfs_mount_table); vfs != NULL; vfs = vfs->next) {
+ // this assumes that vfs->obj is fs_user_mount_t with block device functions
+ disk_ioctl(MP_OBJ_TO_PTR(vfs->obj), CTRL_SYNC, NULL);
+ }
return mp_const_none;
}
MP_DEFINE_CONST_FUN_OBJ_0(mod_os_sync_obj, os_sync);
@@ -384,16 +133,17 @@ STATIC const mp_map_elem_t os_module_globals_table[] = {
{ MP_OBJ_NEW_QSTR(MP_QSTR_uname), (mp_obj_t)&os_uname_obj },
- { MP_OBJ_NEW_QSTR(MP_QSTR_chdir), (mp_obj_t)&os_chdir_obj },
- { MP_OBJ_NEW_QSTR(MP_QSTR_getcwd), (mp_obj_t)&os_getcwd_obj },
- { MP_OBJ_NEW_QSTR(MP_QSTR_listdir), (mp_obj_t)&os_listdir_obj },
- { MP_OBJ_NEW_QSTR(MP_QSTR_mkdir), (mp_obj_t)&os_mkdir_obj },
- { MP_OBJ_NEW_QSTR(MP_QSTR_remove), (mp_obj_t)&os_remove_obj },
- { MP_OBJ_NEW_QSTR(MP_QSTR_rename),(mp_obj_t)&os_rename_obj},
- { MP_OBJ_NEW_QSTR(MP_QSTR_rmdir), (mp_obj_t)&os_rmdir_obj },
- { MP_OBJ_NEW_QSTR(MP_QSTR_stat), (mp_obj_t)&os_stat_obj },
- { MP_OBJ_NEW_QSTR(MP_QSTR_statvfs), (mp_obj_t)&os_statvfs_obj },
- { MP_OBJ_NEW_QSTR(MP_QSTR_unlink), (mp_obj_t)&os_remove_obj }, // unlink aliases to remove
+ { MP_OBJ_NEW_QSTR(MP_QSTR_chdir), (mp_obj_t)&mp_vfs_chdir_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_chdir), (mp_obj_t)&mp_vfs_chdir_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_getcwd), (mp_obj_t)&mp_vfs_getcwd_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_listdir), (mp_obj_t)&mp_vfs_listdir_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_mkdir), (mp_obj_t)&mp_vfs_mkdir_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_remove), (mp_obj_t)&mp_vfs_remove_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_rename),(mp_obj_t)&mp_vfs_rename_obj},
+ { MP_OBJ_NEW_QSTR(MP_QSTR_rmdir), (mp_obj_t)&mp_vfs_rmdir_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_stat), (mp_obj_t)&mp_vfs_stat_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_statvfs), (mp_obj_t)&mp_vfs_statvfs_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_unlink), (mp_obj_t)&mp_vfs_remove_obj }, // unlink aliases to remove
{ MP_OBJ_NEW_QSTR(MP_QSTR_sync), (mp_obj_t)&mod_os_sync_obj },
@@ -406,9 +156,9 @@ STATIC const mp_map_elem_t os_module_globals_table[] = {
// these are MicroPython extensions
{ MP_OBJ_NEW_QSTR(MP_QSTR_dupterm), (mp_obj_t)&mod_os_dupterm_obj },
- { MP_OBJ_NEW_QSTR(MP_QSTR_mount), (mp_obj_t)&fsuser_mount_obj },
- { MP_OBJ_NEW_QSTR(MP_QSTR_umount), (mp_obj_t)&fsuser_umount_obj },
- { MP_OBJ_NEW_QSTR(MP_QSTR_mkfs), (mp_obj_t)&fsuser_mkfs_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_mount), (mp_obj_t)&mp_vfs_mount_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_umount), (mp_obj_t)&mp_vfs_umount_obj },
+ { MP_OBJ_NEW_QSTR(MP_QSTR_VfsFat), (mp_obj_t)&mp_fat_vfs_type },
};
STATIC MP_DEFINE_CONST_DICT(os_module_globals, os_module_globals_table);