add tuh_task_event_ready(), better implement blocking control transfer for rtos

1 files changed, 10 insertions, 0 deletions

diff --git a/src/host/usbh.h b/src/host/usbh.h
index 125d8f4c9..0f969a46a 100644
--- a/src/host/usbh.h
+++ b/src/host/usbh.h
@@ -69,6 +69,13 @@ struct tuh_xfer_s
   // uint32_t timeout_ms;    // place holder, not supported yet
 };
 
+// Subject to change
+typedef struct
+{
+  uint8_t daddr;
+  tusb_desc_interface_t desc;
+} tuh_itf_info_t;
+
 // ConfigID for tuh_config()
 enum
 {
@@ -118,6 +125,9 @@ void tuh_task(void)
   tuh_task_ext(UINT32_MAX, false);
 }
 
+// Check if there is pending events need processing by tuh_task()
+bool tuh_task_event_ready(void);
+
 #ifndef _TUSB_HCD_H_
 extern void hcd_int_handler(uint8_t rhport);
 #endif