diff options
Diffstat (limited to 'components/drivers/rtc/rtc.c')
| -rw-r--r-- | components/drivers/rtc/rtc.c | 132 |
1 files changed, 114 insertions, 18 deletions
diff --git a/components/drivers/rtc/rtc.c b/components/drivers/rtc/rtc.c index 3a843e2e0c..5eabeed2dd 100644 --- a/components/drivers/rtc/rtc.c +++ b/components/drivers/rtc/rtc.c @@ -10,6 +10,8 @@ * 2012-04-16 aozima add scheduler lock for set_date and set_time. * 2018-02-16 armink add auto sync time by NTP * 2021-05-09 Meco Man remove NTP + * 2021-06-11 iysheng implement RTC framework V2.0 + * 2021-07-30 Meco Man move rtc_core.c to rtc.c */ #include <time.h> @@ -20,7 +22,117 @@ #ifdef RT_USING_RTC +/* + * This function initializes rtc_core + */ +static rt_err_t rt_rtc_init(struct rt_device *dev) +{ + rt_rtc_dev_t *rtc_core; + + RT_ASSERT(dev != RT_NULL); + rtc_core = (rt_rtc_dev_t *)dev; + if (rtc_core->ops->init) + { + return (rtc_core->ops->init()); + } + + return -RT_ENOSYS; +} + +static rt_err_t rt_rtc_open(struct rt_device *dev, rt_uint16_t oflag) +{ + return RT_EOK; +} +static rt_err_t rt_rtc_close(struct rt_device *dev) +{ + /* Add close member function in rt_rtc_ops when need, + * then call that function here. + * */ + return RT_EOK; +} + +static rt_err_t rt_rtc_control(struct rt_device *dev, int cmd, void *args) +{ +#define TRY_DO_RTC_FUNC(rt_rtc_dev, func_name, args) \ + rt_rtc_dev->ops->func_name ? rt_rtc_dev->ops->func_name(args) : -RT_EINVAL; + + rt_rtc_dev_t *rtc_device; + rt_err_t ret = -RT_EINVAL; + + RT_ASSERT(dev != RT_NULL); + rtc_device = (rt_rtc_dev_t *)dev; + + switch (cmd) + { + case RT_DEVICE_CTRL_RTC_GET_TIME: + ret = TRY_DO_RTC_FUNC(rtc_device, get_secs, args); + break; + case RT_DEVICE_CTRL_RTC_SET_TIME: + ret = TRY_DO_RTC_FUNC(rtc_device, set_secs, args); + break; + case RT_DEVICE_CTRL_RTC_GET_TIME_US: + ret = TRY_DO_RTC_FUNC(rtc_device, get_usecs, args); + break; + case RT_DEVICE_CTRL_RTC_SET_TIME_US: + ret = TRY_DO_RTC_FUNC(rtc_device, set_usecs, args); + break; + case RT_DEVICE_CTRL_RTC_GET_ALARM: + ret = TRY_DO_RTC_FUNC(rtc_device, get_alarm, args); + break; + case RT_DEVICE_CTRL_RTC_SET_ALARM: + ret = TRY_DO_RTC_FUNC(rtc_device, set_alarm, args); + break; + default: + break; + } + + return ret; + +#undef TRY_DO_RTC_FUNC +} + +#ifdef RT_USING_DEVICE_OPS +const static struct rt_device_ops rtc_core_ops = +{ + rt_rtc_init, + rt_rtc_open, + rt_rtc_close, + RT_NULL, + RT_NULL, + rt_rtc_control, +}; +#endif /* RT_USING_DEVICE_OPS */ + +rt_err_t rt_hw_rtc_register(rt_rtc_dev_t *rtc, + const char *name, + rt_uint32_t flag, + void *data) +{ + struct rt_device *device; + RT_ASSERT(rtc != RT_NULL); + + device = &(rtc->parent); + + device->type = RT_Device_Class_RTC; + device->rx_indicate = RT_NULL; + device->tx_complete = RT_NULL; + +#ifdef RT_USING_DEVICE_OPS + device->ops = &rtc_core_ops; +#else + device->init = rt_rtc_init; + device->open = rt_rtc_open; + device->close = rt_rtc_close; + device->read = RT_NULL; + device->write = RT_NULL; + device->control = rt_rtc_control; +#endif /* RT_USING_DEVICE_OPS */ + device->user_data = data; + + /* register a character device */ + return rt_device_register(device, name, flag); +} /** * Set system date(time not modify, local timezone). @@ -30,12 +142,10 @@ * @param rt_uint32_t day e.g: 31. * * @return rt_err_t if set success, return RT_EOK. - * */ rt_err_t set_date(rt_uint32_t year, rt_uint32_t month, rt_uint32_t day) { time_t now; - struct tm *p_tm; struct tm tm_new; rt_device_t device; rt_err_t ret = -RT_ERROR; @@ -43,14 +153,8 @@ rt_err_t set_date(rt_uint32_t year, rt_uint32_t month, rt_uint32_t day) /* get current time */ now = time(RT_NULL); - /* lock scheduler. */ - rt_enter_critical(); /* converts calendar time into local time. */ - p_tm = localtime(&now); - /* copy the statically located variable */ - rt_memcpy(&tm_new, p_tm, sizeof(struct tm)); - /* unlock scheduler. */ - rt_exit_critical(); + localtime_r(&now, &tm_new); /* update date. */ tm_new.tm_year = year - 1900; @@ -80,12 +184,10 @@ rt_err_t set_date(rt_uint32_t year, rt_uint32_t month, rt_uint32_t day) * @param rt_uint32_t second e.g: 0~59. * * @return rt_err_t if set success, return RT_EOK. - * */ rt_err_t set_time(rt_uint32_t hour, rt_uint32_t minute, rt_uint32_t second) { time_t now; - struct tm *p_tm; struct tm tm_new; rt_device_t device; rt_err_t ret = -RT_ERROR; @@ -93,14 +195,8 @@ rt_err_t set_time(rt_uint32_t hour, rt_uint32_t minute, rt_uint32_t second) /* get current time */ now = time(RT_NULL); - /* lock scheduler. */ - rt_enter_critical(); /* converts calendar time into local time. */ - p_tm = localtime(&now); - /* copy the statically located variable */ - rt_memcpy(&tm_new, p_tm, sizeof(struct tm)); - /* unlock scheduler. */ - rt_exit_critical(); + localtime_r(&now, &tm_new); /* update time. */ tm_new.tm_hour = hour; |