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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-03-15 Liuguang the first version.
* 2019-04-22 tyustli add imxrt series support
*
*/
#include <rtthread.h>
#include <rtdevice.h>
#include <sys/time.h>
#ifdef BSP_USING_RTC
#define LOG_TAG "drv.rtc"
#include <drv_log.h>
#include "drv_rtc.h"
#include "fsl_snvs_hp.h"
#include "fsl_snvs_lp.h"
#include <sys/time.h>
#if defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL
#error "Please don't define 'FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL'!"
#endif
static time_t imxrt_hp_get_timestamp(void)
{
struct tm tm_new = {0};
snvs_hp_rtc_datetime_t rtcDate = {0};
snvs_lp_srtc_datetime_t srtcDate = {0};
SNVS_LP_SRTC_GetDatetime(SNVS, &srtcDate);
SNVS_HP_RTC_TimeSynchronize(SNVS);
SNVS_HP_RTC_GetDatetime(SNVS, &rtcDate);
tm_new.tm_sec = rtcDate.second;
tm_new.tm_min = rtcDate.minute;
tm_new.tm_hour = rtcDate.hour;
tm_new.tm_mday = rtcDate.day;
tm_new.tm_mon = rtcDate.month - 1;
tm_new.tm_year = rtcDate.year - 1900;
return timegm(&tm_new);
}
static int imxrt_hp_set_timestamp(time_t timestamp)
{
struct tm now;
snvs_lp_srtc_datetime_t srtcDate = {0};
gmtime_r(×tamp, &now);
srtcDate.second = now.tm_sec;
srtcDate.minute = now.tm_min;
srtcDate.hour = now.tm_hour;
srtcDate.day = now.tm_mday;
srtcDate.month = now.tm_mon + 1;
srtcDate.year = now.tm_year + 1900;
if (SNVS_LP_SRTC_SetDatetime(SNVS, &srtcDate) != kStatus_Success)
{
LOG_E("set rtc date time failed\n");
return -RT_ERROR;
}
SNVS_HP_RTC_TimeSynchronize(SNVS);
return RT_EOK;
}
static rt_err_t imxrt_hp_rtc_init(rt_device_t dev)
{
snvs_hp_rtc_config_t snvsRtcConfig;
snvs_lp_srtc_config_t snvsSrtcConfig;
/* Init SNVS_HP */
SNVS_HP_RTC_GetDefaultConfig(&snvsRtcConfig);
SNVS_HP_RTC_Init(SNVS, &snvsRtcConfig);
/* Init SNVS_LP */
SNVS_LP_SRTC_GetDefaultConfig(&snvsSrtcConfig);
SNVS_LP_SRTC_Init(SNVS, &snvsSrtcConfig);
return RT_EOK;
}
static rt_err_t imxrt_hp_rtc_open(rt_device_t dev, rt_uint16_t oflag)
{
SNVS_HP_RTC_StartTimer(SNVS);
SNVS_LP_SRTC_StartTimer(SNVS);
return RT_EOK;
}
static rt_err_t imxrt_hp_rtc_close(rt_device_t dev)
{
SNVS_HP_RTC_StopTimer(SNVS);
return RT_EOK;
}
static rt_ssize_t imxrt_hp_rtc_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
{
return -RT_EINVAL;
}
static rt_ssize_t imxrt_hp_rtc_write(rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
{
return -RT_EINVAL;
}
static rt_err_t imxrt_hp_rtc_control(rt_device_t dev, int cmd, void *args)
{
RT_ASSERT(dev != RT_NULL);
switch(cmd)
{
case RT_DEVICE_CTRL_RTC_GET_TIME:
{
*(time_t *)args = imxrt_hp_get_timestamp();
}
break;
case RT_DEVICE_CTRL_RTC_SET_TIME:
{
imxrt_hp_set_timestamp(*(time_t *)args);
}
break;
default:
return -RT_EINVAL;
}
return RT_EOK;
}
static struct rt_device device =
{
.type = RT_Device_Class_RTC,
.init = imxrt_hp_rtc_init,
.open = imxrt_hp_rtc_open,
.close = imxrt_hp_rtc_close,
.read = imxrt_hp_rtc_read,
.write = imxrt_hp_rtc_write,
.control = imxrt_hp_rtc_control,
};
int rt_hw_rtc_init(void)
{
rt_err_t ret = RT_EOK;
ret = rt_device_register(&device, "rtc", RT_DEVICE_FLAG_RDWR);
if(ret != RT_EOK)
{
LOG_E("rt device register failed %d\n", ret);
return ret;
}
rt_device_open(&device, RT_DEVICE_OFLAG_RDWR);
return RT_EOK;
}
INIT_DEVICE_EXPORT(rt_hw_rtc_init);
#include <rtthread.h>
#include <rtdevice.h>
#define RTC_NAME "rtc"
static int rtc_sample(int argc, char *argv[])
{
rt_err_t ret = RT_EOK;
time_t now;
rt_device_t device = RT_NULL;
device = rt_device_find(RTC_NAME);
if (!device)
{
LOG_E("find %s failed!", RTC_NAME);
return -RT_ERROR;
}
if(rt_device_open(device, 0) != RT_EOK)
{
LOG_E("open %s failed!", RTC_NAME);
return -RT_ERROR;
}
ret = set_date(2018, 12, 3);
if (ret != RT_EOK)
{
rt_kprintf("set RTC date failed\n");
return ret;
}
ret = set_time(11, 15, 50);
if (ret != RT_EOK)
{
rt_kprintf("set RTC time failed\n");
return ret;
}
rt_thread_mdelay(1000);
now = time(RT_NULL);
rt_kprintf("%s\n", ctime(&now));
return ret;
}
MSH_CMD_EXPORT(rtc_sample, rtc sample);
#endif /* BSP_USING_RTC */
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