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4 PIC18 Diagnostic Test APIs
4.11 SW_SRAM_MARCH_TEST_01 - MarchC
This module contains functional safety diagnostics APIs for SRAM March-C. .
4.11.1 Functions
4.11.1.1 MarchC_Global
This function runs the March C test on the 10 RAM addresses used to run the rest of the March C test.

Introduction
This document contains API documentation for the diagnostic tests included in the MPLAB® Code Configurator PIC16/18 ISO26262 Diagnostic Library.
1 Software Requirements: PIC16
2 Software Requirements: PIC18
3 PIC16 Diagnostic Test APIs
4 PIC18 Diagnostic Test APIs
- 4.1 SW_CPU_REGISTER_RESET_STATE_CHECK_01.
  This module contains functional safety diagnostics APIs for CPU Registers .
- 4.2 SW_CLOCK_PERIODIC_MONITOR_01
  This module contains APIs to calculate and validate the frequency of the CPU clock using a reference Secondary Oscillator Crystal. The Clock test implements the SW_CLOCK_PERIODIC_MONITOR_01 SW REQ. ID by using time-slot monitoring technique.. It verifies the reliability of the system. clock (i.e., the system clock should be neither too fast nor too slow)
- 4.3 SW_CLOCK_PERIODIC_MONITOR_02
  This module contains APIs to calculate, store and validate the frequency of the CPU clock using a reference line frequency.
- 4.4 SW_CPU_REGISTER_TEST_01
  This module contains functional safety diagnostics APIs for CPU Registers .
- 4.5 SW_EEPROM_MEMORY_CHECKSUM_CRC_TEST_01 - CRC16
  This module contains APIs to calculate, store and validate 16-bit CCITT CRC for a given EEPROM region. .
- 4.6 SW_EEPROM_MEMORY_CHECKSUM_CRC_TEST_01 - CRC32
  This module contains APIs to calculate, store and validate 32-bit CCITT CRC for a given EEPROM region.
- 4.7 SW_FLASH_MEMORY_CHECKSUM_CRC_TEST_01 - CRC16
  This module contains APIs to calculate, store and validate 16-bit CCITT CRC for a given FLASH region .
- 4.8 SW_FLASH_MEMORY_CHECKSUM_CRC_TEST_01 - CRC32
  This module contains APIs to calculate, store and validate 32-bit CCITT CRC for a given FLASH region. .
- 4.9 SW_INTERRUPT_FREQUENCY_TEST_01
  This module contains functional safety diagnostics API for Interrupt Frequency Test.
- 4.10 SW_SRAM_MARCH_TEST_01 - MarchB
  This module contains functional safety diagnostics API for SRAM March-B. .
- 4.11 SW_SRAM_MARCH_TEST_01 - MarchC
  This module contains functional safety diagnostics APIs for SRAM March-C. .
  - 4.11.1 Functions
    - 4.11.1.1 MarchC_Global
      This function runs the March C test on the 10 RAM addresses used to run the rest of the March C test.
    - 4.11.1.2 DIAG_SRAM_MarchC
      Software Requirement Reference ID : SW_SRAM_MARCH_TEST_01.
- 4.12 SW_SRAM_MARCH_TEST_01 - MarchC_Minus
  This module contains functional safety diagnostics APIs for SRAM March-C Minus. .
- 4.13 SW_WATCHDOG_SIMPLE_TIMER_STARTUP_TEST_01
  This module contains functional safety diagnostics APIs for WatchDog Timer Test. .
- 4.14 SW_WATCHDOG_WINDOWED_TIMER_STARTUP_TEST_01
  This module contains functional safety diagnostics APIs for WatchDog Timer Test .
- 4.15 File List
  Here is a list of all documented files with brief descriptions
- 4.16 Class List
  Here is a list of all documented files with brief descriptions

4.11.1.1 MarchC_Global

This function runs the March C test on the 10 RAM addresses used to run the rest of the March C test.

static diag_sram_status_t MarchC_Global(
    void
)

Returns


diag_sram_status_t	SRAM_OK= 0 - Success, SRAM_GLOBAL_ERROR= 2 - Failure