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extmod/vfs_fat: support FAT32 in mkfs=T case on mount #4

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extmod/vfs_fat: support FAT32 in mkfs=T case on mount #4

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3 changes: 3 additions & 0 deletions extmod/vfs_fat.c
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Original file line number Diff line number Diff line change
Expand Up @@ -379,6 +379,9 @@ STATIC mp_obj_t vfs_fat_mount(mp_obj_t self_in, mp_obj_t readonly, mp_obj_t mkfs
if (res == FR_NO_FILESYSTEM && mp_obj_is_true(mkfs)) {
uint8_t working_buf[FF_MAX_SS];
res = f_mkfs(&self->fatfs, FM_FAT | FM_SFD, 0, working_buf, sizeof(working_buf));
if (res == FR_MKFS_ABORTED) { // Probably doesn't support FAT16
res = f_mkfs(&self->fatfs, FM_FAT32, 0, working_buf, sizeof(working_buf));
}
}
if (res != FR_OK) {
mp_raise_OSError(fresult_to_errno_table[res]);
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