NXP Semiconductors KE1xF Series, Reference Manual, Page: 614 / 1483

status_t flash_read_once (flash_driver_t * driver, uint32_t index, uint32_t *dst, uint32_t
lengthInBytes);
Table 23-63. Parameters
Parameter Description
Config Pointer to
flash_config_t
data structure in memory, to store driver runtime state.
Index Index for a certain Program Once Field.
dst Pointer to the destination buffer of data that stores data reads from the Program Once Field.
Lengthinbytes The length, in bytes (not words or long words) to be read. Must be word-aligned.
Table 23-64. Possible status response
Value Constant Description
4 kStatus_InvalidArgument Config or dst pointers are NULL.
101 kStatus_FlashAlignmentError Index or lengthInBytes is invalid.
103 kStatus_FLASH_AddressError The following situation causes this response:
1. Command is not available under current mode/
security.
2. An invalid index is supplied.
115 kStatus_FLASH_CommandNotSupported This function is not supported.
0 kStatus_Success This function has performed successfully.
Example:
uint32_t temp;
status_t status = FLASH_ReadOnce(&flashInstance, 0, &temp, 4);
NOTE
For the choice of index and length, see the FTFA chapter in RM
for detailed information.
23.4.5.14 FLASH_ReadResource
Reads certain regions of IFR determined by the start address, length, and option.
For targets that do not support FLASH_ReadResource, the value of the
FLASH_ReadResource pointer is 0.
Prototype:
Kinetis Flash Driver API
Kinetis KE1xF Sub-Family Reference Manual, Rev. 4, 06/2019
614 NXP Semiconductors