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[bsp][CV1800B] add RTC Alarm function for CV1800B 

Signed-off-by: Jingbao Qiu <qiujingbao.dlmu@gmail.com>
This commit is contained in:
Jingbao Qiu 2024-03-20 15:54:06 +08:00 committed by Meco Man
parent 73850e24c6
commit 9e6ca17259
1 changed files with 80 additions and 0 deletions
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80
bsp/cvitek/drivers/drv_rtc.c
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@ -54,6 +54,7 @@
#define RTC_SEC_MAX_VAL 0xFFFFFFFF
#define RTC_OFFSET_SN 0x5201800
#define RTC_ALARM_IRQ_NUM 0x11
struct rtc_device_object
{
@ -298,13 +299,86 @@ static rt_err_t _rtc_set_secs(time_t *sec)
return result;
}
#ifdef RT_USING_ALARM
static void rtc_alarm_enable(rt_bool_t enable)
{
mmio_write_32(CVI_RTC_BASE + CVI_RTC_ALARM_ENABLE, enable);
}
static void rt_hw_rtc_isr(int irqno, void *param)
{
rt_interrupt_enter();
/* send event to alarm */
rt_alarm_update(&rtc_device.rtc_dev.parent, 1);
/* clear alarm */
rtc_alarm_enable(0);
rt_interrupt_leave();
}
#endif
static rt_err_t _rtc_get_alarm(struct rt_rtc_wkalarm *alarm)
{
if (alarm == RT_NULL)
return -RT_ERROR;
unsigned long int sec;
cvi_rtc_time_t t = {0};
sec = mmio_read_32(CVI_RTC_BASE + CVI_RTC_ALARM_TIME);
rtc_time64_to_tm(sec, &t);
alarm->tm_sec = t.tm_sec;
alarm->tm_min = t.tm_min;
alarm->tm_hour = t.tm_hour;
alarm->tm_mday = t.tm_mday;
alarm->tm_mon = t.tm_mon;
alarm->tm_year = t.tm_year;
LOG_D("GET_ALARM %d:%d:%d", alarm->tm_hour, alarm->tm_min, alarm->tm_sec);
return RT_EOK;
}
static rt_err_t _rtc_set_alarm(struct rt_rtc_wkalarm *alarm)
{
if (alarm == RT_NULL)
return -RT_ERROR;
cvi_rtc_time_t t = {0};
unsigned long int set_sec;
if (alarm->enable){
t.tm_sec = alarm->tm_sec;
t.tm_min = alarm->tm_min;
t.tm_hour = alarm->tm_hour;
t.tm_mday = alarm->tm_mday;
t.tm_mon = alarm->tm_mon;
t.tm_year = alarm->tm_year;
set_sec = rtc_tm_to_time64(&t);
mmio_write_32(CVI_RTC_BASE + CVI_RTC_ALARM_TIME, set_sec);
LOG_D("GET_ALARM %d:%d:%d", alarm->tm_hour, alarm->tm_min, alarm->tm_sec);
}
rtc_alarm_enable(alarm->enable);
return RT_EOK;
}
static const struct rt_rtc_ops _rtc_ops =
{
_rtc_init,
_rtc_get_secs,
_rtc_set_secs,
#ifdef RT_USING_ALARM
_rtc_get_alarm,
_rtc_set_alarm,
#else
RT_NULL,
RT_NULL,
#endif
_rtc_get_timeval,
RT_NULL,
};
@ -320,6 +394,12 @@ static int rt_hw_rtc_init(void)
LOG_E("rtc register err code: %d", result);
return result;
}
#ifdef RT_USING_ALARM
rt_hw_interrupt_install(RTC_ALARM_IRQ_NUM, rt_hw_rtc_isr, RT_NULL, "rtc");
rt_hw_interrupt_umask(RTC_ALARM_IRQ_NUM);
#endif
LOG_D("rtc init success");
return RT_EOK;