circuitpython/extmod/fsusermount.h

59 lines
2.2 KiB
C

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