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3 PIC16 Diagnostic Test APIs
3.14 SW_WATCHDOG_WINDOWED_TIMER_STARTUP_TEST_01
This module contains functional safety diagnostics APIs for WatchDog Timer Test.
3.14.3 Functions
3.14.3.2 restart_TMR0
This is a macro to reset TMR0 to zero and start counting from zero.

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
- 3.1 SW_CPU_REGISTER_RESET_STATE_CHECK_01
  This module contains functional safety diagnostics APIs for CPU Registers.
- 3.2 SW_CLOCK_PERIODIC_MONITOR_01
  Software Requirement ID: 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. It verifies the reliability of the system clock (i.e., the system clock should be neither too fast nor too slow)
- 3.3 SW_CLOCK_PERIODIC_MONITOR_02
  Software Requirement ID: 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.
- 3.4 SW_CPU_REGISTER_TEST_01
  This module contains functional safety diagnostics APIs for CPU Registers.
- 3.5 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.
- 3.6 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.
- 3.7 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.
- 3.8 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.
- 3.9 SW_INTERRUPT_FREQUENCY_TEST_01
  This module contains functional safety diagnostics API for SW_INTERRUPT_FREQUENCY_TEST_01.
- 3.10 SW_SRAM_MARCH_TEST_01 - MarchB
  This module contains functional safety diagnostics API for SRAM March-B.
- 3.11 SW_SRAM_MARCH_TEST_01 - MarchC
  This module contains functional safety diagnostics APIs for SRAM March-C.
- 3.12 SW_SRAM_MARCH_TEST_01 - MarchC_Minus
  This module contains functional safety diagnostics APIs for SRAM March-C Minus.
- 3.13 SW_WATCHDOG_SIMPLE_TIMER_STARTUP_TEST_01
  This module contains functional safety diagnostics APIs for WatchDog Timer Test.
- 3.14 SW_WATCHDOG_WINDOWED_TIMER_STARTUP_TEST_01
  This module contains functional safety diagnostics APIs for WatchDog Timer Test.
  - 3.14.1 Defines
  - 3.14.2 Enums
  - 3.14.3 Functions
    - 3.14.3.1 configure_TMR0_for_time_taking
      This is API to Set period so that TMR0 overflows approximately every 1ms.
    - 3.14.3.2 restart_TMR0
      This is a macro to reset TMR0 to zero and start counting from zero.
    - 3.14.3.3 watchdog_delay
      This is a macro to create a fixed delay for the watchdog timer test.
    - 3.14.3.4 diag_restore_timer_defaults
      This is an API to restore the timer registers to their default values.
    - 3.14.3.5 DIAG_WDT_WindowedTimer
      **Software Requirement Reference ID : SW_WATCHDOG_WINDOWED_TIMER_STARTUP_TEST_01 GUID-C1FDF125-E496-4161-84EC-9A05711C05D8.html#GUID-C1FDF125-E496-4161-84EC-9A05711C05D8__GROUP__DIAG__WDT__WINDOWED__TIMER_1GGAA4770A6B5F28FCC3DD8C7106BD16DC40ABD9E97509B55E5A7C9BE32311AB6FCFF and GUID-C1FDF125-E496-4161-84EC-9A05711C05D8.html#GUID-C1FDF125-E496-4161-84EC-9A05711C05D8__GROUP__DIAG__WDT__WINDOWED__TIMER_1GGAA4770A6B5F28FCC3DD8C7106BD16DC40A061212985A780264DBC20D9764CED008**.
    - 3.14.3.6 DIAG_WDT_WindowedTimer_GetStatus
      Software Requirement Reference ID : SW_WATCHDOG_WINDOWED_TIMER_STARTUP_TEST_01.
- 3.15 File List
  Here is a list of all documented files with brief descriptions
- 3.16 Class List
  Here is a list of all documented files with brief descriptions
4 PIC18 Diagnostic Test APIs

3.14.3.2 restart_TMR0

This is a macro to reset TMR0 to zero and start counting from zero.

static void restart_TMR0(
    void
)

Returns


void	None