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@ -31,15 +31,14 @@
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#include "py/runtime.h"
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#include "py/objtuple.h"
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#include "py/objstr.h"
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#include "lib/oofatfs/ff.h"
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#include "lib/oofatfs/diskio.h"
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#include "extmod/vfs.h"
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#include "extmod/vfs_fat.h"
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#include "genhdr/mpversion.h"
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#include "lib/fatfs/ff.h"
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#include "lib/fatfs/diskio.h"
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#include "lib/timeutils/timeutils.h"
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//#include "timeutils.h"
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//#include "rng.h"
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#include "uart.h"
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#include "extmod/vfs_fat_file.h"
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//#include "sdcard.h"
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#include "extmod/fsusermount.h"
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//#include "portmodules.h"
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/// \module os - basic "operating system" services
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@ -80,255 +79,13 @@ STATIC mp_obj_t os_uname(void) {
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(os_uname_obj, os_uname);
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/// \function chdir(path)
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/// Change current directory.
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STATIC mp_obj_t os_chdir(mp_obj_t path_in) {
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const char *path;
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path = mp_obj_str_get_str(path_in);
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FRESULT res = f_chdrive(path);
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if (res == FR_OK) {
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res = f_chdir(path);
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}
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if (res != FR_OK) {
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// TODO should be mp_type_FileNotFoundError
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "No such file or directory: '%s'", path));
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_chdir_obj, os_chdir);
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/// \function getcwd()
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/// Get the current directory.
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STATIC mp_obj_t os_getcwd(void) {
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char buf[MICROPY_ALLOC_PATH_MAX + 1];
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FRESULT res = f_getcwd(buf, sizeof buf);
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if (res != FR_OK) {
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mp_raise_OSError(fresult_to_errno_table[res]);
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}
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return mp_obj_new_str(buf, strlen(buf), false);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(os_getcwd_obj, os_getcwd);
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/// \function listdir([dir])
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/// With no argument, list the current directory. Otherwise list the given directory.
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STATIC mp_obj_t os_listdir(mp_uint_t n_args, const mp_obj_t *args) {
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bool is_str_type = true;
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const char *path;
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if (n_args == 1) {
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if (mp_obj_get_type(args[0]) == &mp_type_bytes) {
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is_str_type = false;
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}
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path = mp_obj_str_get_str(args[0]);
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} else {
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path = "";
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}
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// "hack" to list root directory
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if (path[0] == '/' && path[1] == '\0') {
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mp_obj_t dir_list = mp_obj_new_list(0, NULL);
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for (size_t i = 0; i < MP_ARRAY_SIZE(MP_STATE_PORT(fs_user_mount)); ++i) {
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fs_user_mount_t *vfs = MP_STATE_PORT(fs_user_mount)[i];
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if (vfs != NULL) {
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mp_obj_list_append(dir_list, mp_obj_new_str(vfs->str + 1, vfs->len - 1, false));
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}
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}
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return dir_list;
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}
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return fat_vfs_listdir(path, is_str_type);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(os_listdir_obj, 0, 1, os_listdir);
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/// \function mkdir(path)
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/// Create a new directory.
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STATIC mp_obj_t os_mkdir(mp_obj_t path_o) {
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const char *path = mp_obj_str_get_str(path_o);
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FRESULT res = f_mkdir(path);
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switch (res) {
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case FR_OK:
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return mp_const_none;
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case FR_EXIST:
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// TODO should be FileExistsError
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "File exists: '%s'", path));
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default:
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "Error creating directory '%s'", path));
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_mkdir_obj, os_mkdir);
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/// \function remove(path)
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/// Remove a file.
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STATIC mp_obj_t os_remove(mp_obj_t path_o) {
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const char *path = mp_obj_str_get_str(path_o);
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// TODO check that path is actually a file before trying to unlink it
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FRESULT res = f_unlink(path);
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switch (res) {
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case FR_OK:
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return mp_const_none;
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default:
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "Error removing file '%s'", path));
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_remove_obj, os_remove);
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/// \function rename(old_path, new_path)
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/// Rename a file
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STATIC mp_obj_t os_rename(mp_obj_t path_in, mp_obj_t path_out) {
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const char *old_path = mp_obj_str_get_str(path_in);
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const char *new_path = mp_obj_str_get_str(path_out);
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FRESULT res = f_rename(old_path, new_path);
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switch (res) {
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case FR_OK:
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return mp_const_none;
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default:
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "Error renaming file '%s' to '%s'", old_path, new_path));
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_2(os_rename_obj, os_rename);
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/// \function rmdir(path)
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/// Remove a directory.
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STATIC mp_obj_t os_rmdir(mp_obj_t path_o) {
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const char *path = mp_obj_str_get_str(path_o);
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// TODO check that path is actually a directory before trying to unlink it
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FRESULT res = f_unlink(path);
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switch (res) {
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case FR_OK:
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return mp_const_none;
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default:
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nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_OSError, "Error removing directory '%s'", path));
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_rmdir_obj, os_rmdir);
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// Checks for path equality, ignoring trailing slashes:
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// path_equal(/, /) -> true
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// path_equal(/flash//, /flash) -> true
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// second argument must be in canonical form (meaning no trailing slash, unless it's just /)
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STATIC bool path_equal(const char *path, const char *path_canonical) {
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for (; *path_canonical != '\0' && *path == *path_canonical; ++path, ++path_canonical) {
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}
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if (*path_canonical != '\0') {
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return false;
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}
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for (; *path == '/'; ++path) {
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}
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return *path == '\0';
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}
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/// \function stat(path)
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/// Get the status of a file or directory.
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STATIC mp_obj_t os_stat(mp_obj_t path_in) {
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const char *path = mp_obj_str_get_str(path_in);
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FILINFO fno;
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#if _USE_LFN
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fno.lfname = NULL;
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fno.lfsize = 0;
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#endif
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FRESULT res;
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if (path_equal(path, "/")) {
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// stat root directory
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fno.fsize = 0;
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fno.fdate = 0;
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fno.ftime = 0;
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fno.fattrib = AM_DIR;
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} else {
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res = FR_NO_PATH;
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for (size_t i = 0; i < MP_ARRAY_SIZE(MP_STATE_PORT(fs_user_mount)); ++i) {
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fs_user_mount_t *vfs = MP_STATE_PORT(fs_user_mount)[i];
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if (vfs != NULL && path_equal(path, vfs->str)) {
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// stat mounted device directory
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fno.fsize = 0;
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fno.fdate = 0;
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fno.ftime = 0;
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fno.fattrib = AM_DIR;
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res = FR_OK;
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}
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}
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if (res == FR_NO_PATH) {
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// stat normal file
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res = f_stat(path, &fno);
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}
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if (res != FR_OK) {
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mp_raise_OSError(fresult_to_errno_table[res]);
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}
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}
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mp_obj_tuple_t *t = mp_obj_new_tuple(10, NULL);
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mp_int_t mode = 0;
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if (fno.fattrib & AM_DIR) {
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mode |= 0x4000; // stat.S_IFDIR
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} else {
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mode |= 0x8000; // stat.S_IFREG
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}
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mp_int_t seconds = timeutils_seconds_since_2000(
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1980 + ((fno.fdate >> 9) & 0x7f),
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(fno.fdate >> 5) & 0x0f,
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fno.fdate & 0x1f,
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(fno.ftime >> 11) & 0x1f,
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(fno.ftime >> 5) & 0x3f,
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2 * (fno.ftime & 0x1f)
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);
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t->items[0] = MP_OBJ_NEW_SMALL_INT(mode); // st_mode
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t->items[1] = MP_OBJ_NEW_SMALL_INT(0); // st_ino
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t->items[2] = MP_OBJ_NEW_SMALL_INT(0); // st_dev
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t->items[3] = MP_OBJ_NEW_SMALL_INT(0); // st_nlink
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t->items[4] = MP_OBJ_NEW_SMALL_INT(0); // st_uid
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t->items[5] = MP_OBJ_NEW_SMALL_INT(0); // st_gid
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t->items[6] = MP_OBJ_NEW_SMALL_INT(fno.fsize); // st_size
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t->items[7] = MP_OBJ_NEW_SMALL_INT(seconds); // st_atime
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t->items[8] = MP_OBJ_NEW_SMALL_INT(seconds); // st_mtime
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t->items[9] = MP_OBJ_NEW_SMALL_INT(seconds); // st_ctime
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return t;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_stat_obj, os_stat);
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STATIC mp_obj_t os_statvfs(mp_obj_t path_in) {
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const char *path = mp_obj_str_get_str(path_in);
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DWORD nclst;
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FATFS *fatfs;
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FRESULT res = f_getfree(path, &nclst, &fatfs);
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if (res != FR_OK) {
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goto error;
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}
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mp_obj_tuple_t *t = mp_obj_new_tuple(10, NULL);
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t->items[0] = MP_OBJ_NEW_SMALL_INT(fatfs->csize * 512); // f_bsize - block size
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t->items[1] = t->items[0]; // f_frsize - fragment size
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t->items[2] = MP_OBJ_NEW_SMALL_INT((fatfs->n_fatent - 2) * fatfs->csize); // f_blocks - total number of blocks
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t->items[3] = MP_OBJ_NEW_SMALL_INT(nclst); // f_bfree - number of free blocks
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t->items[4] = t->items[3]; // f_bavail - free blocks avail to unpriviledged users
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t->items[5] = MP_OBJ_NEW_SMALL_INT(0); // f_files - # inodes
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t->items[6] = MP_OBJ_NEW_SMALL_INT(0); // f_ffree - # free inodes
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t->items[7] = MP_OBJ_NEW_SMALL_INT(0); // f_favail - # free inodes avail to unpriviledges users
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t->items[8] = MP_OBJ_NEW_SMALL_INT(0); // f_flags
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t->items[9] = MP_OBJ_NEW_SMALL_INT(_MAX_LFN); // f_namemax
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return t;
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error:
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mp_raise_OSError(fresult_to_errno_table[res]);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(os_statvfs_obj, os_statvfs);
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/// \function sync()
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/// Sync all filesystems.
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STATIC mp_obj_t os_sync(void) {
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disk_ioctl(0, CTRL_SYNC, NULL);
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disk_ioctl(1, CTRL_SYNC, NULL);
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disk_ioctl(2, CTRL_SYNC, NULL);
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for (mp_vfs_mount_t *vfs = MP_STATE_VM(vfs_mount_table); vfs != NULL; vfs = vfs->next) {
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// this assumes that vfs->obj is fs_user_mount_t with block device functions
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disk_ioctl(MP_OBJ_TO_PTR(vfs->obj), CTRL_SYNC, NULL);
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}
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_0(mod_os_sync_obj, os_sync);
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@ -376,16 +133,16 @@ STATIC const mp_map_elem_t os_module_globals_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR_uname), (mp_obj_t)&os_uname_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_chdir), (mp_obj_t)&os_chdir_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_getcwd), (mp_obj_t)&os_getcwd_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_listdir), (mp_obj_t)&os_listdir_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_mkdir), (mp_obj_t)&os_mkdir_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_remove), (mp_obj_t)&os_remove_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_rename),(mp_obj_t)&os_rename_obj},
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{ MP_OBJ_NEW_QSTR(MP_QSTR_rmdir), (mp_obj_t)&os_rmdir_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_stat), (mp_obj_t)&os_stat_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_statvfs), (mp_obj_t)&os_statvfs_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_unlink), (mp_obj_t)&os_remove_obj }, // unlink aliases to remove
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{ MP_OBJ_NEW_QSTR(MP_QSTR_chdir), (mp_obj_t)&mp_vfs_chdir_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_getcwd), (mp_obj_t)&mp_vfs_getcwd_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_listdir), (mp_obj_t)&mp_vfs_listdir_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_mkdir), (mp_obj_t)&mp_vfs_mkdir_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_remove), (mp_obj_t)&mp_vfs_remove_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_rename),(mp_obj_t)&mp_vfs_rename_obj},
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{ MP_OBJ_NEW_QSTR(MP_QSTR_rmdir), (mp_obj_t)&mp_vfs_rmdir_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_stat), (mp_obj_t)&mp_vfs_stat_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_statvfs), (mp_obj_t)&mp_vfs_statvfs_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_unlink), (mp_obj_t)&mp_vfs_remove_obj }, // unlink aliases to remove
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{ MP_OBJ_NEW_QSTR(MP_QSTR_sync), (mp_obj_t)&mod_os_sync_obj },
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@ -398,9 +155,9 @@ STATIC const mp_map_elem_t os_module_globals_table[] = {
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// these are MicroPython extensions
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{ MP_OBJ_NEW_QSTR(MP_QSTR_dupterm), (mp_obj_t)&mod_os_dupterm_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_mount), (mp_obj_t)&fsuser_mount_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_umount), (mp_obj_t)&fsuser_umount_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_mkfs), (mp_obj_t)&fsuser_mkfs_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_mount), (mp_obj_t)&mp_vfs_mount_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_umount), (mp_obj_t)&mp_vfs_umount_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_VfsFat), (mp_obj_t)&mp_fat_vfs_type },
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};
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STATIC MP_DEFINE_CONST_DICT(os_module_globals, os_module_globals_table);
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