/**
* \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 */
}
}
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();
}