blob: d2c65856f026a4aae3bcf04fa0ed3f7169093bf3 [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
#ifndef H_OS_
#define H_OS_
#include <stdint.h>
#if __ZEPHYR__
#include <kernel.h>
#endif
#include <nffs/config.h>
#ifdef __cplusplus
extern "C" {
#endif
extern nffs_os_mempool_t nffs_file_pool;
extern nffs_os_mempool_t nffs_dir_pool;
extern nffs_os_mempool_t nffs_inode_entry_pool;
extern nffs_os_mempool_t nffs_block_entry_pool;
extern nffs_os_mempool_t nffs_cache_inode_pool;
extern nffs_os_mempool_t nffs_cache_block_pool;
/* Initialize mempools */
int nffs_os_mempool_init(void);
/* Get block from mempool */
void *nffs_os_mempool_get(nffs_os_mempool_t *pool);
/* Free block from mempool */
int nffs_os_mempool_free(nffs_os_mempool_t *pool, void *block);
/* Read from flash */
int nffs_os_flash_read(uint8_t id, uint32_t address, void *dst,
uint32_t num_bytes);
/* Write to flash */
int nffs_os_flash_write(uint8_t id, uint32_t address, const void *src,
uint32_t num_bytes);
/* Erase flash */
int nffs_os_flash_erase(uint8_t id, uint32_t address, uint32_t num_bytes);
/* Get flash sector information */
int nffs_os_flash_info(uint8_t id, uint32_t sector, uint32_t *address,
uint32_t *size);
/* CRC16-CCIT implementation */
uint16_t nffs_os_crc16_ccitt(uint16_t initial_crc, const void *buf, int len,
int final);
#ifdef __cplusplus
}
#endif
#endif