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ports/rp2: Add a means to set mass-storage filesystem label #13470

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ports/rp2: Add a means to set mass-storage filesystem label #13470

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5c54624
extmod/vfs_fat.c: Add method for setting filesystem label.
Gadgetoid Jan 18, 2024
5131dbd
ports/rp2: Set MSC label.
Gadgetoid Jan 18, 2024
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18 changes: 18 additions & 0 deletions extmod/vfs_fat.c
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@
#include <string.h>
#include "py/runtime.h"
#include "py/mperrno.h"
#include "py/objstr.h"
#include "lib/oofatfs/ff.h"
#include "extmod/vfs_fat.h"
#include "shared/timeutils/timeutils.h"
Expand Down Expand Up @@ -374,6 +375,22 @@ STATIC mp_obj_t fat_vfs_statvfs(mp_obj_t vfs_in, mp_obj_t path_in) {
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(fat_vfs_statvfs_obj, fat_vfs_statvfs);

STATIC mp_obj_t fat_vfs_label(mp_obj_t vfs_in, mp_obj_t label_in) {
#ifdef MICROPY_FATFS_USE_LABEL
mp_obj_fat_vfs_t *self = MP_OBJ_TO_PTR(vfs_in);
const char *label = mp_obj_str_get_str(label_in);

FRESULT res = f_setlabel(&self->fatfs, label);

if (FR_OK != res) {
mp_raise_OSError(fresult_to_errno_table[res]);
}

#endif
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(fat_vfs_label_obj, fat_vfs_label);

STATIC mp_obj_t vfs_fat_mount(mp_obj_t self_in, mp_obj_t readonly, mp_obj_t mkfs) {
fs_user_mount_t *self = MP_OBJ_TO_PTR(self_in);

Expand Down Expand Up @@ -422,6 +439,7 @@ STATIC const mp_rom_map_elem_t fat_vfs_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_rename), MP_ROM_PTR(&fat_vfs_rename_obj) },
{ MP_ROM_QSTR(MP_QSTR_stat), MP_ROM_PTR(&fat_vfs_stat_obj) },
{ MP_ROM_QSTR(MP_QSTR_statvfs), MP_ROM_PTR(&fat_vfs_statvfs_obj) },
{ MP_ROM_QSTR(MP_QSTR_label), MP_ROM_PTR(&fat_vfs_label_obj) },
{ MP_ROM_QSTR(MP_QSTR_mount), MP_ROM_PTR(&vfs_fat_mount_obj) },
{ MP_ROM_QSTR(MP_QSTR_umount), MP_ROM_PTR(&fat_vfs_umount_obj) },
};
Expand Down
1 change: 1 addition & 0 deletions ports/rp2/modules/_boot_fat.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
except:
os.VfsFat.mkfs(bdev)
vfs = os.VfsFat(bdev)
vfs.label("RP2_MSC")
os.mount(vfs, "/")

del os, bdev, vfs