circuitpython/ports/stm32/mboot/vfs.h

97 lines
2.8 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2019-2020 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.
*/
#ifndef MICROPY_INCLUDED_STM32_MBOOT_VFS_H
#define MICROPY_INCLUDED_STM32_MBOOT_VFS_H
#include "gzstream.h"
#include "mboot.h"
#if MBOOT_VFS_FAT
#include "lib/oofatfs/ff.h"
typedef struct _vfs_fat_context_t {
uint32_t bdev_base_addr;
uint32_t bdev_byte_len;
FATFS fatfs;
FIL fp;
} vfs_fat_context_t;
extern const stream_methods_t vfs_fat_stream_methods;
int vfs_fat_mount(vfs_fat_context_t *ctx, uint32_t base_addr, uint32_t byte_len);
#endif
#if MBOOT_VFS_LFS1
#include "lib/littlefs/lfs1.h"
#define LFS_READ_SIZE (32)
#define LFS_PROG_SIZE (32)
#define LFS_LOOKAHEAD_SIZE (32)
typedef struct _vfs_lfs1_context_t {
uint32_t bdev_base_addr;
struct lfs1_config config;
lfs1_t lfs;
struct lfs1_file_config filecfg;
uint8_t filebuf[LFS_PROG_SIZE];
lfs1_file_t file;
} vfs_lfs1_context_t;
extern const stream_methods_t vfs_lfs1_stream_methods;
int vfs_lfs1_mount(vfs_lfs1_context_t *ctx, uint32_t base_addr, uint32_t byte_len, uint32_t block_size);
#endif
#if MBOOT_VFS_LFS2
#include "lib/littlefs/lfs2.h"
#define LFS_READ_SIZE (32)
#define LFS_PROG_SIZE (32)
#define LFS_CACHE_SIZE (4 * LFS_READ_SIZE)
#define LFS_LOOKAHEAD_SIZE (32)
typedef struct _vfs_lfs2_context_t {
uint32_t bdev_base_addr;
struct lfs2_config config;
lfs2_t lfs;
struct lfs2_file_config filecfg;
uint8_t filebuf[LFS_CACHE_SIZE]; // lfs2 specific
lfs2_file_t file;
} vfs_lfs2_context_t;
extern const stream_methods_t vfs_lfs2_stream_methods;
int vfs_lfs2_mount(vfs_lfs2_context_t *ctx, uint32_t base_addr, uint32_t byte_len, uint32_t block_size);
#endif
#endif // MICROPY_INCLUDED_STM32_MBOOT_VFS_H