127 lines
2.4 KiB
C
127 lines
2.4 KiB
C
/*
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* Copyright (c) 2006-2024, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2024-02-06 Yilin Sun Initial version.
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include <sys/time.h>
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#include "drv_rtc.h"
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#include "fsl_common.h"
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#include "fsl_irtc.h"
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#ifdef RT_USING_RTC
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static rt_err_t mcx_rtc_init(rt_device_t dev)
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{
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irtc_config_t rtc_cfg;
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IRTC_GetDefaultConfig(&rtc_cfg);
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//rtc_cfg.clockSelect = kIRTC_Clk32K;
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if (IRTC_Init(RTC0, &rtc_cfg) != kStatus_Success)
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{
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return -RT_EIO;
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}
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return RT_EOK;
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}
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static rt_err_t mcx_rtc_get_time(time_t *ts)
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{
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struct tm tm_new = {0};
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irtc_datetime_t rtc_date;
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IRTC_GetDatetime(RTC0, &rtc_date);
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tm_new.tm_sec = rtc_date.second;
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tm_new.tm_min = rtc_date.minute;
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tm_new.tm_hour = rtc_date.hour;
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tm_new.tm_mday = rtc_date.day;
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tm_new.tm_mon = rtc_date.month - 1;
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tm_new.tm_year = rtc_date.year - 1900;
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*ts = timegm(&tm_new);
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return RT_EOK;
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}
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static rt_err_t mcx_rtc_set_time(time_t *ts)
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{
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struct tm now;
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irtc_datetime_t rtc_date;
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gmtime_r(ts, &now);
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rtc_date.second = now.tm_sec ;
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rtc_date.minute = now.tm_min ;
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rtc_date.hour = now.tm_hour;
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rtc_date.weekDay = now.tm_wday;
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rtc_date.day = now.tm_mday;
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rtc_date.month = now.tm_mon + 1;
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rtc_date.year = now.tm_year + 1900;
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IRTC_SetWriteProtection(RTC0, false);
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IRTC_SetDatetime(RTC0, &rtc_date);
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return RT_EOK;
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}
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static rt_err_t mcx_rtc_control(rt_device_t dev, int cmd, void *args)
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{
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switch (cmd)
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{
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case RT_DEVICE_CTRL_RTC_GET_TIME:
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mcx_rtc_get_time((time_t *)args);
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break;
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case RT_DEVICE_CTRL_RTC_SET_TIME:
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mcx_rtc_set_time((time_t *)args);
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break;
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case RT_DEVICE_CTRL_RTC_SET_ALARM:
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/* TODO: Implement alarm features */
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default:
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return -RT_EINVAL;
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}
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return RT_EOK;
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}
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static struct rt_device device =
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{
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.type = RT_Device_Class_RTC,
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.init = mcx_rtc_init,
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.open = RT_NULL,
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.close = RT_NULL,
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.read = RT_NULL,
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.write = RT_NULL,
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.control = mcx_rtc_control,
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};
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int rt_hw_rtc_init(void)
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{
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rt_err_t ret = RT_EOK;
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ret = rt_device_register(&device, "rtc", RT_DEVICE_FLAG_RDWR);
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if (ret != RT_EOK)
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{
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return ret;
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}
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return RT_EOK;
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}
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INIT_DEVICE_EXPORT(rt_hw_rtc_init);
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#endif /*RT_USING_RTC */
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