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/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-02-22 airm2m first version
*/
#include "board.h"
#include "drivers/dev_watchdog.h"
#ifdef RT_USING_WDT
#define LOG_TAG "drv.wdt"
#include <drv_log.h>
static rt_watchdog_t watchdog;
static struct rt_watchdog_ops ops;
static rt_err_t wdt_init(rt_watchdog_t *wdt)
{
return RT_EOK;
}
static rt_err_t wdt_control(rt_watchdog_t *wdt, int cmd, void *arg)
{
switch (cmd)
{
/* feed the watchdog */
case RT_DEVICE_CTRL_WDT_KEEPALIVE:
WDT_Feed();
break;
/* set watchdog timeout */
case RT_DEVICE_CTRL_WDT_SET_TIMEOUT:
WDT_SetTimeout((*((rt_uint32_t*)arg))*1000);
break;
case RT_DEVICE_CTRL_WDT_GET_TIMEOUT:
break;
case RT_DEVICE_CTRL_WDT_START:
break;
default:
LOG_W("This command is not supported.");
return -RT_ERROR;
}
return RT_EOK;
}
int rt_wdt_init(void)
{
ops.init = &wdt_init;
ops.control = &wdt_control;
watchdog.ops = &ops;
/* register watchdog device */
if (rt_hw_watchdog_register(&watchdog, "wdt", RT_DEVICE_FLAG_DEACTIVATE, RT_NULL) != RT_EOK)
{
LOG_E("wdt device register failed.");
return -RT_ERROR;
}
LOG_D("wdt device register success.");
return RT_EOK;
}
INIT_BOARD_EXPORT(rt_wdt_init);
#endif /* RT_USING_WDT */
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