59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/*
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* Copyright (c) 2017 Nordic Semiconductor ASA
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* Copyright (c) 2015 Runtime Inc
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef __FCB_PRIV_H_
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#define __FCB_PRIV_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define FCB_CRC_SZ sizeof(u8_t)
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#define FCB_TMP_BUF_SZ 32
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#define FCB_ID_GT(a, b) (((int16_t)(a) - (int16_t)(b)) > 0)
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struct fcb_disk_area {
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u32_t fd_magic;
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u8_t fd_ver;
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u8_t _pad;
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u16_t fd_id;
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};
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int fcb_put_len(u8_t *buf, u16_t len);
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int fcb_get_len(u8_t *buf, u16_t *len);
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static inline int fcb_len_in_flash(struct fcb *fcb, u16_t len)
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{
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if (fcb->f_align <= 1) {
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return len;
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}
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return (len + (fcb->f_align - 1)) & ~(fcb->f_align - 1);
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}
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const struct flash_area *fcb_open_flash(const struct fcb *fcb);
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u8_t fcb_get_align(const struct fcb *fcb);
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int fcb_erase_sector(const struct fcb *fcb, const struct flash_sector *sector);
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int fcb_getnext_in_sector(struct fcb *fcb, struct fcb_entry *loc);
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struct flash_sector *fcb_getnext_sector(struct fcb *fcb,
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struct flash_sector *sector);
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int fcb_getnext_nolock(struct fcb *fcb, struct fcb_entry *loc);
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int fcb_elem_info(struct fcb *fcb, struct fcb_entry *loc);
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int fcb_elem_crc8(struct fcb *fcb, struct fcb_entry *loc, u8_t *crc8p);
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int fcb_sector_hdr_init(struct fcb *fcb, struct flash_sector *sector, u16_t id);
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int fcb_sector_hdr_read(struct fcb *fcb, struct flash_sector *sector,
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struct fcb_disk_area *fdap);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __FCB_PRIV_H_ */
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