system/system_monitor/main.c

static gos_system_monitor_t system_monitor;

static int counter;

void gos_app_init(void)

{

GOS_LOG(APPLICATION_START_LINE);

gos_register_system_monitor(&system_monitor, MAX_DELAY, NULL);

counter = 3;

// Register a periodic event to update the system monitor;

gos_event_register_periodic(update_system_monitor_event_handler, NULL, (MAX_DELAY / 2), 0);

}

void gos_app_deinit(void)

{

// MUST unregister the system monitor when we're done

gos_unregister_system_monitor(&system_monitor);

}

static void update_system_monitor_event_handler(void *arg)

{

GOS_LOG("Updating system monitor");

// Update the monitor to indicate everything is working correctly

gos_update_system_monitor(&system_monitor, MAX_DELAY);

// Once the counter reaches 0, unregister the update event handler

// This simulates something locking up

// When the system monitor stops getting updated a watchdog will be triggered

if(--counter <= 0)

{

GOS_LOG("Simulating system lock up, watchdog will be triggered in %d seconds ...", (MAX_DELAY /1000));

gos_event_unregister(update_system_monitor_event_handler, NULL);

}

}