[rtc] add comments

1 files changed, 34 insertions, 32 deletions

diff --git a/components/drivers/rtc/rtc.c b/components/drivers/rtc/rtc.c
index 8d61129bf8..5eabeed2dd 100644
--- a/components/drivers/rtc/rtc.c
+++ b/components/drivers/rtc/rtc.c
@@ -10,7 +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 v2.0
+ * 2021-06-11     iysheng      implement RTC framework V2.0
+ * 2021-07-30     Meco Man     move rtc_core.c to rtc.c
  */
 
 #include <time.h>
@@ -21,13 +22,10 @@
 
 #ifdef RT_USING_RTC
 
-#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;
-
 /*
  * This function initializes rtc_core
  */
-static rt_err_t rt_rtc_core_init(struct rt_device *dev)
+static rt_err_t rt_rtc_init(struct rt_device *dev)
 {
     rt_rtc_dev_t *rtc_core;
 
@@ -38,71 +36,75 @@ static rt_err_t rt_rtc_core_init(struct rt_device *dev)
         return (rtc_core->ops->init());
     }
 
-    return (-RT_ENOSYS);
+    return -RT_ENOSYS;
 }
 
-static rt_err_t rt_rtc_core_open(struct rt_device *dev, rt_uint16_t oflag)
+static rt_err_t rt_rtc_open(struct rt_device *dev, rt_uint16_t oflag)
 {
-    return (RT_EOK);
+    return RT_EOK;
 }
 
-static rt_err_t rt_rtc_core_close(struct rt_device *dev)
+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);
+    return RT_EOK;
 }
 
-static rt_err_t rt_rtc_core_control(struct rt_device *dev,
-                                    int              cmd,
-                                    void             *args)
+static rt_err_t rt_rtc_control(struct rt_device *dev, int cmd, void *args)
 {
-    rt_rtc_dev_t *rtc_core;
+#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_core = (rt_rtc_dev_t *)dev;
+    rtc_device = (rt_rtc_dev_t *)dev;
 
     switch (cmd)
     {
         case RT_DEVICE_CTRL_RTC_GET_TIME:
-            ret = TRY_DO_RTC_FUNC(rtc_core, get_secs, args);
+            ret = TRY_DO_RTC_FUNC(rtc_device, get_secs, args);
             break;
         case RT_DEVICE_CTRL_RTC_SET_TIME:
-            ret = TRY_DO_RTC_FUNC(rtc_core, set_secs, args);
+            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_core, get_usecs, args);
+            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_core, set_usecs, args);
+            ret = TRY_DO_RTC_FUNC(rtc_device, set_usecs, args);
             break;
         case RT_DEVICE_CTRL_RTC_GET_ALARM:
-            ret = TRY_DO_RTC_FUNC(rtc_core, get_alarm, args);
+            ret = TRY_DO_RTC_FUNC(rtc_device, get_alarm, args);
             break;
         case RT_DEVICE_CTRL_RTC_SET_ALARM:
-            ret = TRY_DO_RTC_FUNC(rtc_core, set_alarm, args);
+            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_core_init,
-    rt_rtc_core_open,
-    rt_rtc_core_close,
+    rt_rtc_init,
+    rt_rtc_open,
+    rt_rtc_close,
     RT_NULL,
     RT_NULL,
-    rt_rtc_core_control,
+    rt_rtc_control,
 };
-#endif
+#endif /* RT_USING_DEVICE_OPS */
 
-rt_err_t rt_hw_rtc_register(rt_rtc_dev_t *rtc,
+rt_err_t rt_hw_rtc_register(rt_rtc_dev_t  *rtc,
                             const char    *name,
                             rt_uint32_t    flag,
                             void          *data)
@@ -119,13 +121,13 @@ rt_err_t rt_hw_rtc_register(rt_rtc_dev_t *rtc,
 #ifdef RT_USING_DEVICE_OPS
     device->ops         = &rtc_core_ops;
 #else
-    device->init        = rt_rtc_core_init;
-    device->open        = rt_rtc_core_open;
-    device->close       = rt_rtc_core_close;
+    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_core_control;
-#endif
+    device->control     = rt_rtc_control;
+#endif /* RT_USING_DEVICE_OPS */
     device->user_data   = data;
 
     /* register a character device */