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5 EEPROM - 16-bit CRC
This module contains APIs to calculate, store and validate 16-bit CCITT CRC for a given EEPROM region.
5.2 Functions
5.2.3 DIAG_EEPROM_CalculateCRC16
This API calculates 16-bit CRC with CCITT Direct Computation method for given EEPROM memory region. This API will be used by GUID-798172B2-1E76-4DA3-A63D-24E573AC9897.html and GUID-9C5CD8E5-5CCD-4E4A-BAA2-AEDDB686342C.html.

Introduction
This document contains API documentation for the diagnostic tests included MPLAB® Code Configurator AVR® IEC60730 Class B Diagnostic Library.
1 Software Requirements
2 Clock Frequency Test
This module contains functional safety diagnostics APIs for Clock Frequency test.
3 CPU Program Counter
This module contains functional safety diagnostics APIs for CPU Program counter test.
4 CPU Registers
This module contains functional safety diagnostics APIs for CPU Registers.
5 EEPROM - 16-bit CRC
This module contains APIs to calculate, store and validate 16-bit CCITT CRC for a given EEPROM region.
- 5.1 Defines
- 5.2 Functions
  - 5.2.1 DIAG_EEPROM_CalculateStoreCRC16
    This API calculates 16-bit CRC for a given EEPROM memory region and stores the same at EEPROM address indicated by storeAddress argument.
  - 5.2.2 DIAG_EEPROM_ValidateCRC16
    This API validates the CRC of a given EEPROM memory region by re-calculating and comparing it with reference CRC stored by GUID-798172B2-1E76-4DA3-A63D-24E573AC9897.html.
  - 5.2.3 DIAG_EEPROM_CalculateCRC16
    This API calculates 16-bit CRC with CCITT Direct Computation method for given EEPROM memory region. This API will be used by GUID-798172B2-1E76-4DA3-A63D-24E573AC9897.html and GUID-9C5CD8E5-5CCD-4E4A-BAA2-AEDDB686342C.html.
6 EEPROM - 32-bit CRC
This module contains APIs to calculate, store and validate 32-bit CCITT CRC for a given EEPROM region.
7 FLASH - 16-bit CRC
This module contains APIs to calculate, store and validate 16-bit CCITT CRC for a given FLASH region.
8 FLASH - 32-bit CRC
This module contains APIs to calculate, store and validate 32-bit CCITT CRC for a given FLASH region.
9 Interrupt Frequency Test
This module contains functional safety diagnostics API for Interrupt Frequency Test.
10 SRAM - Checkerboard Algorithm
This module contains functional safety diagnostics APIs for SRAM Checkerboard Test.
11 SRAM - March C-Minus Algorithm
This module contains functional safety diagnostics APIs for SRAM March-C Minus.
12 Simple Watchdog Timer
This module contains functional safety diagnostics APIs for WatchDog Timer Test.
13 Windowed Watchdog Timer
This module contains functional safety diagnostics APIs for WatchDog Timer Test.
14 File List
Here is a list of all documented files with brief descriptions
15 Class List
Here is a list of all documented files with brief descriptions

5.2.3 DIAG_EEPROM_CalculateCRC16

This API calculates 16-bit CRC with CCITT Direct Computation method for given EEPROM memory region. This API will be used by DIAG_EEPROM_CalculateStoreCRC16 and DIAG_EEPROM_ValidateCRC16.

static void DIAG_EEPROM_CalculateCRC16(
    uint16_t startAddress,    uint16_t length,    uint16_t * crcSeed
)

Parameters


[in] startAddress	uint16_t - starting address of EEPROM memory region to be considered for CRC
[in] length	uint16_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