125 lines
4.4 KiB
C
125 lines
4.4 KiB
C
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/****************************************************************************
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Copyright(c) 2019 by Aerospace C.Power (Chongqing) Microelectronics. ALL RIGHTS RESERVED.
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This Information is proprietary to Aerospace C.Power (Chongqing) Microelectronics and MAY NOT
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be copied by any method or incorporated into another program without
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the express written consent of Aerospace C.Power. This Information or any portion
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thereof remains the property of Aerospace C.Power. The Information contained herein
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is believed to be accurate and Aerospace C.Power assumes no responsibility or
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liability for its use in any way and conveys no license or title under
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any patent or copyright and makes no representation or warranty that this
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Information is free from patent or copyright infringement.
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****************************************************************************/
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#ifndef __IOT_BSRM_FLASH_H
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#define __IOT_BSRM_FLASH_H
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/* os shim includes */
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#include "os_types_api.h"
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/* iot common header files */
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#include "iot_config_api.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*----------------------------------------
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* bsrm flash layout shows like below
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*----------------------------------------
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* |------------------------------|
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* | |
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* | non-volatile data | 4k bytes
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* | |
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* |------------------------------|
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* | |
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* | branch info recording region | 256k bytes
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* | |
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* |------------------------------|
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* | |
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* | reserved | 32k bytes
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* | |
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* |------------------------------|
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* | |
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* | branch event region | 256k bytes
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* | |
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* |------------------------------|
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*/
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#if (IOT_BSRM_MODE == IOT_BSRM_MODE_CUS_APP)
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/* define the start, size, and end of sg app region */
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#define IOT_BSRM_SG_REGION_START 0x00
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#define IOT_BSRM_SG_REGION_SIZE (256 * 1024)
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#define IOT_BSRM_SG_REGION_END \
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IOT_BSRM_SG_REGION_START + IOT_BSRM_SG_REGION_SIZE
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#else
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#define IOT_BSRM_SG_REGION_END 0
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#endif
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/* define the start, size, and end of non-volatile data region */
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#define IOT_BSRM_NV_REGION_START IOT_BSRM_SG_REGION_END
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#define IOT_BSRM_NV_REGION_SIZE (4 * 1024)
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#define IOT_BSRM_NV_REGION_END \
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IOT_BSRM_NV_REGION_START + IOT_BSRM_NV_REGION_SIZE
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/* define the start, size, and end of information recode region */
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#define IOT_BSRM_INFO_REC_REGION_START IOT_BSRM_NV_REGION_END
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#define IOT_BSRM_INFO_REC_REGION_SIZE (256 * 1024)
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#define IOT_BSRM_INFO_REC_REGION_END \
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IOT_BSRM_INFO_REC_REGION_START + IOT_BSRM_INFO_REC_REGION_SIZE
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/* reserved */
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#define IOT_BSRM_RESERVED_REGION_START IOT_BSRM_INFO_REC_REGION_END
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#define IOT_BSRM_RESERVED_REGION_SIZE (32 * 1024)
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#define IOT_BSRM_RESERVED_REGION_END \
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IOT_BSRM_RESERVED_REGION_START + IOT_BSRM_RESERVED_REGION_SIZE
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/* define the start, size, and end of information recode region */
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#define IOT_BSRM_BRANCH_EVT_REGION_START IOT_BSRM_RESERVED_REGION_END
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#define IOT_BSRM_BRANCH_EVT_REGION_SIZE (256 * 1024)
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#define IOT_BSRM_BRANCH_EVT_REGION_END \
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IOT_BSRM_BRANCH_EVT_REGION_START + IOT_BSRM_BRANCH_EVT_REGION_SIZE
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#if IOT_BSRM_MODE
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/**
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* @brief: iot_bsrm_flash_init() - initialization flash.
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* @retval: ERR_OK - success, otherwise - see eeeor code.
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*/
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uint8_t iot_bsrm_flash_init(void);
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/**
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* @brief: iot_bsrm_flash_deinit() - deinitialization flash.
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*/
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void iot_bsrm_flash_deinit(void);
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/**
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* @brief: iot_bsrm_flash_read() - read data from flash.
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* @param pos: the starting position of reading.
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* @param buf: data buffer used to return read data.
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* @param cnt: number of data to be read, uint is byte.
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* @retval: ERR_OK - success, otherwise - see eeeor code.
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*/
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uint8_t iot_bsrm_flash_read(uint32_t pos, uint8_t *buf,
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uint32_t cnt);
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/**
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* @brief: iot_bsrm_flash_write() - write data to flash.
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* @param pos: the starting position of write.
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* @param buf: pointer to the data buffer to be written.
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* @param cnt: number of data to be written, uint is byte.
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* @retval: ERR_OK - success, otherwise - see eeeor code.
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*/
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uint8_t iot_bsrm_flash_write(uint32_t pos, uint8_t *buf,
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uint32_t cnt);
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#endif /* IOT_BSRM_MODE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __IOT_BSRM_FLASH_H */
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