zephyr/samples/drivers/watchdog/src/main.c

41 lines
816 B
C

/*
* Copyright (c) 2015 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr.h>
#include <device.h>
#include <watchdog.h>
#include "board.h"
#include <misc/printk.h>
/* WDT Requires a callback, there is no interrupt enable / disable. */
void wdt_example_cb(struct device *dev)
{
printk("watchdog fired\n");
wdt_reload(dev);
}
void main(void)
{
struct wdt_config wr_cfg;
struct wdt_config cfg;
struct device *wdt_dev;
printk("Start watchdog test\n");
wr_cfg.timeout = WDT_2_27_CYCLES;
wr_cfg.mode = WDT_MODE_INTERRUPT_RESET;
wr_cfg.interrupt_fn = wdt_example_cb;
wdt_dev = device_get_binding("WATCHDOG_0");
wdt_enable(wdt_dev);
wdt_set_config(wdt_dev, &wr_cfg);
wdt_get_config(wdt_dev, &cfg);
printk("timeout: %d\n", cfg.timeout);
printk("mode: %d\n", cfg.mode);
}