Better struct comment

df_datalink_sp/src/time_ctrl/time_ctrl.h

@@ -39,7 +39,8 @@ typedef uint32_t TIME_FRAC;
 typedef uint32_t TIME_INT;
 
 /**
- * @struct TimeWord
+ * @struct TIME_WORD
+ * @brief Time controller time word
  */
 typedef struct
 {
@@ -48,7 +49,7 @@ typedef struct
 } TIME_WORD;
 
 /**
- * @struct TmcConfig.
+ * @struct TMC_CONFIG
  * @brief TmcConfig holds the initialization parameters of time controller
  */
 typedef struct
@@ -58,7 +59,7 @@ typedef struct
 } TMC_CONFIG;
 
 /**
- * @struct TmcInst.
+ * @struct TMC_INST
  * @brief An instance struct of time controller
  */
 typedef struct