wdt_example.c File Reference

AVR MEGARF WDT driver example.

Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>
#include "conf_board.h"

Enumerations
enum	wdt_example_state {   START_OF_PROG = (0x01),   WDT_MCU_RESET = (0x02),   REFRESH_WDT = (0x03),   WDT_RST = (0x04),   WDT_INTERRUPT = (0x05),   WDT_RST_INTERRUPT = (0x06),   END_OF_PROG = (0x07),   ERROR_STATE = (0x0F) }

Functions
int	main (void)
	Main function. More...
static void	wdt_timer_callback (void)
	Interrupt callback for wdt timer overflow interrupt Change the state when the interrupt is triggered. More...

Variables
enum wdt_example_state	state_flag
	Global variables not initialized. More...

enum wdt_example_state

brief States of the example.

Enumerator
START_OF_PROG
WDT_MCU_RESET
REFRESH_WDT
WDT_RST
WDT_INTERRUPT
WDT_RST_INTERRUPT
END_OF_PROG
ERROR_STATE

int main

(

void

)

Main function.

References board_init(), CHIP_RESET_CAUSE_BOD_CPU, CHIP_RESET_CAUSE_EXTRST, CHIP_RESET_CAUSE_POR, CHIP_RESET_CAUSE_WDT, cpu_irq_enable, delay_ms, END_OF_PROG, ERROR_STATE, INTERRUPT_MODE, INTERRUPT_SYSTEM_RESET_MODE, LED_Off, LED_On, LED_PIN, REFRESH_WDT, reset_cause_clear_causes(), reset_cause_get_causes(), START_OF_PROG, sysclk_init(), SYSTEM_RESET_MODE, wdt_disable(), wdt_enable(), wdt_get_timeout_period(), WDT_INTERRUPT, WDT_MCU_RESET, wdt_reset, wdt_reset_mcu(), WDT_RST, WDT_RST_INTERRUPT, wdt_set_interrupt_callback(), wdt_set_timeout_period(), WDT_TIMEOUT_PERIOD_1024KCLK, WDT_TIMEOUT_PERIOD_16KCLK, WDT_TIMEOUT_PERIOD_256KCLK, WDT_TIMEOUT_PERIOD_2KCLK, WDT_TIMEOUT_PERIOD_32KCLK, WDT_TIMEOUT_PERIOD_64KCLK, and wdt_timer_callback().

static void wdt_timer_callback ( void  )

static

Interrupt callback for wdt timer overflow interrupt Change the state when the interrupt is triggered.

Parameters

none

References END_OF_PROG, and WDT_RST_INTERRUPT.

Referenced by main().

enum wdt_example_state state_flag

Global variables not initialized.