91 lines
2.0 KiB
C
91 lines
2.0 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2006-2023, RT-Thread Development Team
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Change Logs:
|
||
|
|
* Date Author Notes
|
||
|
|
* 2023-03-13 wcx1024979076 the first version
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <rtdevice.h>
|
||
|
|
#include "board.h"
|
||
|
|
#include "drv_rtc.h"
|
||
|
|
|
||
|
|
#define DBG_TAG "DRV.RTC"
|
||
|
|
#define DBG_LVL DBG_WARNING
|
||
|
|
#include <rtdbg.h>
|
||
|
|
|
||
|
|
#ifdef RT_USING_RTC
|
||
|
|
|
||
|
|
static struct rt_device rtc;
|
||
|
|
static rt_uint32_t rtc_time;
|
||
|
|
|
||
|
|
static rt_err_t _rtc_open(rt_device_t dev, rt_uint16_t oflag)
|
||
|
|
{
|
||
|
|
if (dev->rx_indicate != RT_NULL)
|
||
|
|
{
|
||
|
|
/* Open Interrupt */
|
||
|
|
}
|
||
|
|
|
||
|
|
return RT_EOK;
|
||
|
|
}
|
||
|
|
|
||
|
|
static rt_ssize_t _rtc_read(
|
||
|
|
rt_device_t dev,
|
||
|
|
rt_off_t pos,
|
||
|
|
void* buffer,
|
||
|
|
rt_size_t size)
|
||
|
|
{
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static rt_err_t _rtc_control(rt_device_t dev, int cmd, void *args)
|
||
|
|
{
|
||
|
|
RT_ASSERT(dev != RT_NULL);
|
||
|
|
struct bflb_device_s* bflb_rtc = bflb_device_get_by_name("rtc");
|
||
|
|
switch (cmd)
|
||
|
|
{
|
||
|
|
case RT_DEVICE_CTRL_RTC_GET_TIME:
|
||
|
|
*(rt_uint32_t *)args = rtc_time + BFLB_RTC_TIME2SEC(bflb_rtc_get_time(bflb_rtc));
|
||
|
|
break;
|
||
|
|
|
||
|
|
case RT_DEVICE_CTRL_RTC_SET_TIME:
|
||
|
|
rtc_time = *(rt_uint32_t *)args;
|
||
|
|
bflb_rtc_set_time(bflb_rtc, 0);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return RT_EOK;
|
||
|
|
}
|
||
|
|
|
||
|
|
int rt_hw_rtc_init(void)
|
||
|
|
{
|
||
|
|
int result = RT_EOK;
|
||
|
|
|
||
|
|
struct bflb_device_s* bflb_rtc = bflb_device_get_by_name("rtc");
|
||
|
|
bflb_rtc_set_time(bflb_rtc, 0);
|
||
|
|
/* register rtc device */
|
||
|
|
rtc.type = RT_Device_Class_RTC;
|
||
|
|
rtc.rx_indicate = RT_NULL;
|
||
|
|
rtc.tx_complete = RT_NULL;
|
||
|
|
rtc.init = RT_NULL;
|
||
|
|
rtc.open = _rtc_open;
|
||
|
|
rtc.close = RT_NULL;
|
||
|
|
rtc.read = _rtc_read;
|
||
|
|
rtc.write = RT_NULL;
|
||
|
|
rtc.control = _rtc_control;
|
||
|
|
rtc.user_data = RT_NULL; /* no private */
|
||
|
|
|
||
|
|
result = rt_device_register(&rtc, "rtc", RT_DEVICE_FLAG_RDWR);
|
||
|
|
if(result != RT_EOK)
|
||
|
|
{
|
||
|
|
LOG_E("rtc device register fail.");
|
||
|
|
}
|
||
|
|
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
INIT_DEVICE_EXPORT(rt_hw_rtc_init);
|
||
|
|
#endif /* RT_USING_RTC */
|