forked from TencentOS/TencentOS-tiny
86 lines
3.5 KiB
C
86 lines
3.5 KiB
C
/*----------------------------------------------------------------------------
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* Tencent is pleased to support the open source community by making TencentOS
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* available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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* If you have downloaded a copy of the TencentOS binary from Tencent, please
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* note that the TencentOS binary is licensed under the BSD 3-Clause License.
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*
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* If you have downloaded a copy of the TencentOS source code from Tencent,
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* please note that TencentOS source code is licensed under the BSD 3-Clause
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* License, except for the third-party components listed below which are
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* subject to different license terms. Your integration of TencentOS into your
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* own projects may require compliance with the BSD 3-Clause License, as well
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* as the other licenses applicable to the third-party components included
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* within TencentOS.
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*---------------------------------------------------------------------------*/
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#ifndef _OTA_FLASH_H_
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#define _OTA_FLASH_H_
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#include "stdint.h"
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#include "stdlib.h"
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#include "string.h"
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#define OTA_FLASH_SECTOR_SIZE_LOG2 (flash_ctl.sector_size_log2)
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#define OTA_FLASH_SECTOR_SIZE (1 << OTA_FLASH_SECTOR_SIZE_LOG2)
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#define OTA_FLASH_WRITE_ALIGN (flash_ctl.flash_write_align)
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#define OTA_FLASH_WRITE ((ota_flash_write_t)(flash_ctl.flash_drv.write))
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#define OTA_FLASH_READ ((ota_flash_read_t)(flash_ctl.flash_drv.read))
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#define OTA_FLASH_ERASE ((ota_flash_erase_t)(flash_ctl.flash_drv.erase))
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#define OTA_ALIGN_UP(v, align) (((v) + ((align) - 1)) & ~((align) - 1))
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#define OTA_IS_ALINGED(v, align) ((v) % (align) == 0)
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typedef uint8_t ota_byte_t; // byte
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typedef uint16_t ota_hword_t; // half word
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typedef uint32_t ota_word_t; // word
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typedef uint64_t ota_dword_t; // double word
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typedef enum ota_flash_program_type_en {
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OTA_FLASH_PROGRAM_TYPE_BYTE, /*!< Program byte (8-bit) at a specified address */
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OTA_FLASH_PROGRAM_TYPE_HALFWORD, /*!< Program a half-word (16-bit) at a specified address */
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OTA_FLASH_PROGRAM_TYPE_WORD, /*!< Program a word (32-bit) at a specified address */
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OTA_FLASH_PROGRAM_TYPE_DOUBLEWORD, /*!< Program a double word (64-bit) at a specified address */
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} ota_flash_pgm_type_t;
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typedef int (*ota_flash_write_t)(uint32_t addr, const void *buf, size_t len);
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typedef int (*ota_flash_read_t)(uint32_t addr, void *buf, size_t len);
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typedef int (*ota_flash_erase_t)(uint32_t addr, size_t len);
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typedef struct ota_flash_drv_st {
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ota_flash_write_t write;
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ota_flash_read_t read;
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ota_flash_erase_t erase;
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} ota_flash_drv_t;
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typedef struct ota_flash_property_st {
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uint8_t sector_size_log2;
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ota_flash_pgm_type_t pgm_type;
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} ota_flash_prop_t;
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typedef struct ota_flash_control_st {
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uint8_t sector_size_log2;
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uint8_t flash_write_align;
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ota_flash_drv_t flash_drv;
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} ota_flash_ctl_t;
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int ota_flash_init(ota_flash_drv_t *flash_drv, ota_flash_prop_t *flash_prop);
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int ota_flash_read(uint32_t addr, void *buf, size_t buf_size);
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int ota_flash_write(uint32_t addr, void *buf, size_t buf_size);
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int ota_flash_erase(uint32_t start, size_t len);
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int ota_flash_erase_blocks(uint32_t start, size_t len);
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size_t ota_flash_write_size_aligned_get(size_t len);
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int ota_flash_size_is_aligned(size_t len);
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#endif /* _OTA_FLASH_H_ */
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