EFUSE
EFUSE API Status
API |
BK7258 |
BK7258_cp1 |
---|---|---|
Y |
Y |
|
Y |
Y |
|
|
Y |
Y |
|
Y |
Y |
Efuse API Reference
Header File
Functions
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bk_err_t bk_efuse_driver_init(void)
Init the EFUSE driver.
This API init the resoure common:
Init EFUSE driver control memory
- Attention
1. This API should be called before any other EFUSE APIs.
- Returns
BK_OK: succeed
others: other errors.
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bk_err_t bk_efuse_driver_deinit(void)
Deinit the EFUSE driver.
This API free all resource related to EFUSE and disable EFUSE.
- Returns
BK_OK: succeed
others: other errors.
-
bk_err_t bk_efuse_write_byte(uint8_t addr, uint8_t data)
Efuse write operation @Notice: Each efuse address area has specific usage, please apply the area from PM before write data to the efuse address.
- Parameters
addr – efuse write address
data – efuse write data
- Returns
BK_OK: succeed
BK_ERR_EFUSE_DRIVER_NOT_INIT: EFUSE driver not init
BK_ERR_EFUSE_ADDR_OUT_OF_RANGE: EFUSE address is out of range
BK_ERR_EFUSE_CANNOT_WRTIE: EFUSE cannot write, cannot change bit from 1 to 0
BK_ERR_EFUSE_WRTIE_NOT_EQUAL: EFUSE data read is not equal to the data written
others: other errors.
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bk_err_t bk_efuse_read_byte(uint8_t addr, uint8_t *data)
Efuse read operation.
- Parameters
addr – read address
data – pointer to accept value of efuse read data
- Returns
BK_OK: succeed
BK_ERR_EFUSE_DRIVER_NOT_INIT: EFUSE driver not init
BK_ERR_EFUSE_ADDR_OUT_OF_RANGE: EFUSE address is out of range
others: other errors.
Efuse API Typedefs
Header File
Header File
Macros
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BK_ERR_EFUSE_DRIVER_NOT_INIT
EFUSE driver not init
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BK_ERR_EFUSE_ADDR_OUT_OF_RANGE
EFUSE address is out of range
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BK_ERR_EFUSE_CANNOT_WRTIE
EFUSE cannot write, cannot change bit from 1 to 0
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BK_ERR_EFUSE_WRTIE_NOT_EQUAL
EFUSE data read is not equal to the data written
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BK_ERR_EFUSE_READ_FAIL
EFUSE data read fail
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EFUSE_ADDR_BYTE0
efuse address defines @Notice: Each efuse address area has specific usage, please apply the area from PM before write data to the efuse address.
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EFUSE_ADDR_BYTE1
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EFUSE_ADDR_BYTE2
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EFUSE_ADDR_BYTE3
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EFUSE_ADDR_BYTE4
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EFUSE_ADDR_BYTE5
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EFUSE_ADDR_BYTE6
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EFUSE_ADDR_BYTE7
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EFUSE_ADDR_BYTE8
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EFUSE_ADDR_BYTE9
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EFUSE_ADDR_BYTE10
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EFUSE_ADDR_BYTE11
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EFUSE_ADDR_BYTE12
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EFUSE_ADDR_BYTE13
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EFUSE_ADDR_BYTE14
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EFUSE_ADDR_BYTE15
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EFUSE_ADDR_BYTE16
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EFUSE_ADDR_BYTE17
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EFUSE_ADDR_BYTE18
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EFUSE_ADDR_BYTE19
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EFUSE_ADDR_BYTE20
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EFUSE_ADDR_BYTE21
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EFUSE_ADDR_BYTE22
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EFUSE_ADDR_BYTE23
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EFUSE_ADDR_BYTE24
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EFUSE_ADDR_BYTE25
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EFUSE_ADDR_BYTE26
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EFUSE_ADDR_BYTE27
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EFUSE_ADDR_BYTE28
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EFUSE_ADDR_BYTE29
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EFUSE_ADDR_BYTE30
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EFUSE_ADDR_BYTE31
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EFUSE_DEVICE_ID_BYTE_NUM
efuse device id defines the device id stores in efuse address byte 0x18 ~ 0x1c the efuse device id is set via ate cmds
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EFUSE_DEVICE_ID_SN_MINIMUM
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EFUSE_DEVICE_ID_SN_MAXIMUM
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EFUSE_WAFER_ID_MINIMUM
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EFUSE_WAFER_ID_MAXIMUM
Type Definitions
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typedef uint8_t efuse_unit_t
efuse uint id