14.22 diag_flash_crc16_lookup.c File Reference

This file contains APIs to test FLASH using CRC16 CCITT Look-up Table algorithm.

Includes

  1. diag_flash_crc16.h
  2. diag_crc16_lookup_table.h
  3. string.h

Functions

Table 14-39. voidDIAG_FLASH_CalculateCRC16 (uint32_t startAddress, uint32_t length, uint16_t *crcSeed)
Parameters

[in] startAddress

uint32_t

- starting address of FLASH memory region to be considered for CRC

[in] length

uint32_t

- number of bytes from startAddress to be considered for CRC

[in, out] crcSeed

uint16_t *

- pointer to initial and final CRC

Returns
void None
Table 14-40. diag_crc_status_tDIAG_FLASH_CalculateStoreCRC16 (uint32_t startAddress, uint32_t length, uint32_t storeAddress)
Parameters

[in] startAddress

uint32_t

- starting address of FLASH memory region to be considered for CRC

[in] length

uint32_t

- number of bytes from startAddress to be considered for CRC

[in] storeAddress

uint32_t

- the FLASH address where calculated CRC will be stored

Returns
diag_crc_status_t CRC_OK, CRC_INVALID_ADDRESS, CRC_INVALID_LENGTH, CRC_STORE_ERROR
Table 14-41. diag_crc_status_tDIAG_FLASH_ValidateCRC16 (uint32_t startAddress, uint32_t length, uint32_t refAddress)
Parameters

[in] startAddress

uint32_t

- starting address of FLASH memory region to be considered for CRC

[in] length

uint32_t

- number of bytes from startAddress to be considered for CRC

[in] refAddress

uint32_t

- the FLASH address where reference CRC is available

Returns
diag_crc_status_t CRC_OK, CRC_ERROR, CRC_INVALID_ADDRESS, CRC_INVALID_LENGTH