/**
 * \brief Run WDT unit tests
 *
 * Initializes the system and serial output, then sets up the
 * WDT unit test suite and runs it.
 */
int main(void)
{
	/* Check whether reset cause was Watchdog */
#if (SAML21)
	wdr_flag = (system_get_reset_cause() & RSTC_RCAUSE_WDT);
#else
	wdr_flag = (system_get_reset_cause() & PM_RCAUSE_WDT);
#endif
	system_init();

	/* Reset the Watchdog count */
	wdt_reset_count();

	struct wdt_conf config_wdt;
	/* Get the Watchdog default configuration */
	wdt_get_config_defaults(&config_wdt);
	if(wdr_flag) {
		config_wdt.enable = false;
	}
	/* Set the desired configuration */
#if !(SAML21)
	config_wdt.clock_source         = CONF_WDT_GCLK_GEN;
#endif
	config_wdt.timeout_period       = CONF_WDT_TIMEOUT_PERIOD;
	config_wdt.early_warning_period = CONF_WDT_EARLY_WARNING_PERIOD;
	wdt_set_config(&config_wdt);

	cdc_uart_init();

	DEFINE_TEST_CASE(wdt_early_warning_test, NULL,
			run_wdt_early_warning_test, wait_for_wdt_reset,
			"WDT Early Warning Test");

	DEFINE_TEST_CASE(reset_cause_test, NULL,
			run_reset_cause_test, NULL,
			"Confirming Watchdog Reset");

	/* Put test case addresses in an array */
	DEFINE_TEST_ARRAY(wdt_tests) = {
			&wdt_early_warning_test,
			&reset_cause_test,
			};

	/* Define the test suite */
	DEFINE_TEST_SUITE(wdt_suite, wdt_tests,
			"SAM WDT driver test suite");

	/* Run all tests in the suite*/
	test_suite_run(&wdt_suite);

	while (1) {
		/* Intentionally left empty */
	}

}
Example #2
0
int main(void)
{
	system_init();

	//! [setup_init]
	configure_wdt();
	//! [setup_init]

	//! [main]
	//! [main_1]
	enum system_reset_cause reset_cause = system_get_reset_cause();
	//! [main_1]

	//! [main_2]
	if (reset_cause == SYSTEM_RESET_CAUSE_WDT) {
		port_pin_set_output_level(LED_0_PIN, LED_0_INACTIVE);
	}
	else {
		port_pin_set_output_level(LED_0_PIN, LED_0_ACTIVE);
	}
	//! [main_2]

	//! [main_3]
	while (true) {
	//! [main_3]
		//! [main_4]
		if (port_pin_get_input_level(BUTTON_0_PIN) == false) {
		//! [main_4]
		//! [main_5]
			port_pin_set_output_level(LED_0_PIN, LED_0_ACTIVE);

			wdt_reset_count();
		//! [main_5]
		}
	}
	//! [main]
}
void wdt_clear(void){
	wdt_reset_count();
	
}