- //\r
- // Sync and Async transfer polling interval, set by experience,\r
- // and the unit of Async is 100us, means 50ms as interval.\r
- //\r
- EHC_SYNC_POLL_INTERVAL = 20 * EHC_1_MICROSECOND,\r
- EHC_ASYNC_POLL_INTERVAL = 50 * 10000U\r
-} EHC_TIMEOUT_EXPERIENCE_VALUE;\r
+//\r
+// Wait for roothub port power stable, refers to Spec[EHCI1.0-2.3.9]\r
+//\r
+#define EHC_ROOT_PORT_RECOVERY_STALL (20 * EHC_1_MILLISECOND)\r