add hcd_devtree_get_info()

remove usbh_hcd.h

1 files changed, 15 insertions, 0 deletions

diff --git a/src/host/hcd.h b/src/host/hcd.h
index e1d21bf45..eb53d2e80 100644
--- a/src/host/hcd.h
+++ b/src/host/hcd.h
@@ -92,6 +92,14 @@ enum {
 
 //#define HCD_MAX_ENDPOINT 16
 //#define HCD_MAX_XFER 16
+
+typedef struct {
+  uint8_t rhport;
+  uint8_t hub_addr;
+  uint8_t hub_port;
+  uint8_t speed;
+} hcd_devtree_info_t;
+
 #endif
 
 //--------------------------------------------------------------------+
@@ -145,6 +153,13 @@ bool hcd_edpt_clear_stall(uint8_t dev_addr, uint8_t ep_addr);
 // USBH implemented API
 //--------------------------------------------------------------------+
 
+// Get device tree information of a device
+// USB device tree can be complicated and manged by USBH, this help HCD to retrieve
+// needed topology info to carry out its work
+extern void hcd_devtree_get_info(uint8_t dev_addr, hcd_devtree_info_t* devtree_info);
+
+//------------- Event API -------------//
+
 // Called by HCD to notify stack
 extern void hcd_event_handler(hcd_event_t const* event, bool in_isr);