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/*
* Copyright (c) 2024, Your Company Name
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024-09-04 Alex First version for MCXC444
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <sys/time.h>
#include "drv_rtc.h"
#include "fsl_rtc.h"
#include "fsl_clock.h"
#define DBG_TAG "drv.rtc"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
static rt_err_t mcxc444_rtc_init(rt_device_t dev)
{
rtc_config_t rtcConfig;
CLOCK_EnableClock(kCLOCK_Rtc0);
RTC_GetDefaultConfig(&rtcConfig);
RTC_Init(RTC, &rtcConfig);
RTC_SetClockSource(RTC);
rt_thread_mdelay(10);
RTC_StartTimer(RTC);
return RT_EOK;
}
static rt_err_t mcxc444_rtc_get_time(time_t *ts)
{
if (ts == RT_NULL)
{
return -RT_EINVAL;
}
*ts = RTC->TSR;
return RT_EOK;
}
static rt_err_t mcxc444_rtc_set_time(time_t *ts)
{
if (ts == RT_NULL)
{
return -RT_EINVAL;
}
RTC_StopTimer(RTC);
RTC->TSR = *ts;
RTC_StartTimer(RTC);
return RT_EOK;
}
static rt_err_t mcxc444_rtc_control(rt_device_t dev, int cmd, void *args)
{
rt_err_t result = RT_EOK;
switch (cmd)
{
case RT_DEVICE_CTRL_RTC_GET_TIME:
result = mcxc444_rtc_get_time((time_t *)args);
break;
case RT_DEVICE_CTRL_RTC_SET_TIME:
result = mcxc444_rtc_set_time((time_t *)args);
break;
default:
return -RT_EINVAL;
}
return result;
}
static struct rt_device rtc_device;
int rt_hw_rtc_init(void)
{
rt_err_t ret;
rtc_device.type = RT_Device_Class_RTC;
rtc_device.init = mcxc444_rtc_init;
rtc_device.open = RT_NULL;
rtc_device.close = RT_NULL;
rtc_device.read = RT_NULL;
rtc_device.write = RT_NULL;
rtc_device.control = mcxc444_rtc_control;
ret = rt_device_register(&rtc_device, "rtc", RT_DEVICE_FLAG_RDWR);
if (ret != RT_EOK)
{
LOG_E("rtc register err code: %d\n", ret);
return ret;
}
return RT_EOK;
}
INIT_DEVICE_EXPORT(rt_hw_rtc_init);
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