68 lines
2.6 KiB
C
68 lines
2.6 KiB
C
/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2014 Damien P. George
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "lib/fatfs/ff.h"
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#include "py/obj.h"
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// these are the values for fs_user_mount_t.flags
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#define FSUSER_NATIVE (0x0001) // readblocks[2]/writeblocks[2] contain native func
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#define FSUSER_FREE_OBJ (0x0002) // fs_user_mount_t obj should be freed on umount
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#define FSUSER_HAVE_IOCTL (0x0004) // new protocol with ioctl
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// Device is write-able over USB and read-only to MicroPython.
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#define FSUSER_USB_WRITEABLE (0x0008)
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// constants for block protocol ioctl
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#define BP_IOCTL_INIT (1)
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#define BP_IOCTL_DEINIT (2)
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#define BP_IOCTL_SYNC (3)
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#define BP_IOCTL_SEC_COUNT (4)
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#define BP_IOCTL_SEC_SIZE (5)
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typedef struct _fs_user_mount_t {
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mp_obj_base_t base;
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const char *str;
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uint16_t len; // length of str
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uint16_t flags;
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mp_obj_t readblocks[4];
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mp_obj_t writeblocks[4];
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// new protocol uses just ioctl, old uses sync (optional) and count
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union {
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mp_obj_t ioctl[4];
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struct {
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mp_obj_t sync[2];
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mp_obj_t count[2];
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} old;
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} u;
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FATFS fatfs;
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} fs_user_mount_t;
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fs_user_mount_t *fatfs_mount_mkfs(mp_uint_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args, bool mkfs);
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mp_obj_t fatfs_umount(mp_obj_t bdev_or_path_in);
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MP_DECLARE_CONST_FUN_OBJ(fsuser_mount_obj);
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MP_DECLARE_CONST_FUN_OBJ(fsuser_umount_obj);
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MP_DECLARE_CONST_FUN_OBJ(fsuser_mkfs_obj);
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