[optimize] stm32 uart driver

2026-09-23 04:04:15 +08:00 · 2020-03-23 15:44:54 +08:00
parent 5ddb0d51c0
commit e5c1183350
4 changed files with 276 additions and 219 deletions
@@ -898,6 +898,7 @@ enum rt_device_class_type
 #define RT_DEVICE_CTRL_RESUME           0x01            /**< resume device */
 #define RT_DEVICE_CTRL_SUSPEND          0x02            /**< suspend device */
 #define RT_DEVICE_CTRL_CONFIG           0x03            /**< configure device */
+#define RT_DEVICE_CTRL_CLOSE            0x04            /**< close device */

 #define RT_DEVICE_CTRL_SET_INT          0x10            /**< set interrupt */
 #define RT_DEVICE_CTRL_CLR_INT          0x11            /**< clear interrupt */