78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2006-2023, RT-Thread Development Team
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Change Logs:
|
||
|
|
* Date Author Notes
|
||
|
|
* 2023-06-05 Chushicheng the first version
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "drv_wdt.h"
|
||
|
|
#include <hardware/watchdog.h>
|
||
|
|
|
||
|
|
#define DBG_TAG "drv.wdt"
|
||
|
|
#define DBG_LVL DBG_INFO
|
||
|
|
#include <rtdbg.h>
|
||
|
|
|
||
|
|
static struct pico_wdt pico_wdt_obj;
|
||
|
|
|
||
|
|
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)
|
||
|
|
{
|
||
|
|
static rt_uint32_t delay_ms;
|
||
|
|
switch (cmd)
|
||
|
|
{
|
||
|
|
/* feed the watchdog */
|
||
|
|
case RT_DEVICE_CTRL_WDT_KEEPALIVE:
|
||
|
|
watchdog_update();
|
||
|
|
break;
|
||
|
|
/* set watchdog timeout */
|
||
|
|
case RT_DEVICE_CTRL_WDT_SET_TIMEOUT:
|
||
|
|
delay_ms = *((rt_uint32_t*)arg) * 1000;
|
||
|
|
watchdog_reboot(0, RT_NULL, delay_ms);
|
||
|
|
break;
|
||
|
|
case RT_DEVICE_CTRL_WDT_GET_TIMEOUT:
|
||
|
|
(*((rt_uint32_t*)arg)) = watchdog_get_count();
|
||
|
|
break;
|
||
|
|
case RT_DEVICE_CTRL_WDT_START:
|
||
|
|
watchdog_enable(delay_ms, 1);
|
||
|
|
pico_wdt_obj.is_start = 1;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
LOG_W("This command is not supported.");
|
||
|
|
return -RT_ERROR;
|
||
|
|
}
|
||
|
|
return RT_EOK;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct rt_watchdog_ops ops =
|
||
|
|
{
|
||
|
|
.init = wdt_init,
|
||
|
|
.control = wdt_control,
|
||
|
|
};
|
||
|
|
|
||
|
|
int rt_hw_wdt_init(void)
|
||
|
|
{
|
||
|
|
int result = RT_EOK;
|
||
|
|
|
||
|
|
pico_wdt_obj.watchdog.ops = &ops;
|
||
|
|
/* register wdt device */
|
||
|
|
if (rt_hw_watchdog_register(&pico_wdt_obj.watchdog, "wdt", RT_DEVICE_FLAG_DEACTIVATE, RT_NULL) == RT_EOK)
|
||
|
|
{
|
||
|
|
LOG_D("wdt init success");
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
LOG_E("wdt register failed");
|
||
|
|
result = -RT_ERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
INIT_BOARD_EXPORT(rt_hw_wdt_init);
|