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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-08-20 Mr.Tiger first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <rthw.h>
#include <drv_common.h>
#include <drv_config.h>
#include <hal_data.h>
#ifdef RT_USING_WDT
//#define DRV_DEBUG
#define LOG_TAG "drv.wdt"
#include <rtdbg.h>
static struct rt_watchdog_device ra_wdt_dev;
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)
{
rt_err_t ret = -RT_ERROR;
struct st_wdt_timeout_values *wdt_value = {0};
switch (cmd)
{
/* feed the watchdog */
case RT_DEVICE_CTRL_WDT_KEEPALIVE:
if (R_WDT_Refresh(&g_wdt_ctrl) != FSP_SUCCESS)
{
LOG_E("watch dog keepalive fail.");
ret = -RT_ERROR;
}
else
{
ret = RT_EOK;
}
break;
/* set watchdog timeout */
case RT_DEVICE_CTRL_WDT_SET_TIMEOUT:
/**< set*/
LOG_W("Use the FSP tool to modify the configuration parameters!");
ret = -RT_EINVAL;
break;
case RT_DEVICE_CTRL_WDT_GET_TIMEOUT:
wdt_value = (struct st_wdt_timeout_values *)arg;
if (R_WDT_TimeoutGet(&g_wdt_ctrl, wdt_value) != FSP_SUCCESS)
{
LOG_E("wdt get timeout failed.");
ret = -RT_ERROR;
}
else
{
ret = RT_EOK;
}
break;
case RT_DEVICE_CTRL_WDT_START:
if (R_WDT_Open(&g_wdt_ctrl, &g_wdt_cfg) == FSP_SUCCESS)
{
if (R_WDT_Refresh(&g_wdt_ctrl) != FSP_SUCCESS)
{
LOG_E("wdt start failed.");
ret = -RT_ERROR;
}
else
{
ret = RT_EOK;
}
}
else
{
LOG_E("wdt start failed.");
ret = -RT_ERROR;
}
break;
default:
LOG_W("This command is not supported.");
ret = -RT_ERROR;
}
return ret;
}
int rt_wdt_init(void)
{
ops.init = &wdt_init;
ops.control = &wdt_control;
ra_wdt_dev.ops = &ops;
/* register watchdog device */
if (rt_hw_watchdog_register(&ra_wdt_dev, "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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