2 files changed, 10 insertions, 3 deletions
diff --git a/src/host/usbh.c b/src/host/usbh.c
index c59f31596..44b4d3217 100644
--- a/src/host/usbh.c
+++ b/src/host/usbh.c
@@ -1323,7 +1323,7 @@ static void process_enumeration(tuh_xfer_t* xfer)
       dev->i_product      = desc_device->iProduct;
       dev->i_serial       = desc_device->iSerialNumber;
 
-    //  if (tuh_attach_cb) tuh_attach_cb((tusb_desc_device_t*) _usbh_ctrl_buf);
+      if (tuh_desc_device_cb) tuh_desc_device_cb(daddr, (tusb_desc_device_t const*) _usbh_ctrl_buf);
 
       // Get 9-byte for total length
       uint8_t const config_idx = CONFIG_NUM - 1;
@@ -1350,9 +1350,12 @@ static void process_enumeration(tuh_xfer_t* xfer)
     break;
 
     case ENUM_SET_CONFIG:
+      // Got the whole configuration descriptor. Make a copy
+      if (tuh_desc_config_cb) tuh_desc_config_cb(daddr, (const tusb_desc_configuration_t*) _usbh_ctrl_buf);
+
       // Parse configuration & set up drivers
       // Driver open aren't allowed to make any usb transfer yet
-      TU_ASSERT( _parse_configuration_descriptor(daddr, (tusb_desc_configuration_t*) _usbh_ctrl_buf), );
+      TU_ASSERT( _parse_configuration_descriptor(daddr, (const tusb_desc_configuration_t*  ) _usbh_ctrl_buf), );
 
       TU_ASSERT( tuh_configuration_set(daddr, CONFIG_NUM, process_enumeration, ENUM_CONFIG_DRIVER), );
     break;
diff --git a/src/host/usbh.h b/src/host/usbh.h
index 560a1ea23..7355c83ee 100644
--- a/src/host/usbh.h
+++ b/src/host/usbh.h
@@ -78,7 +78,11 @@ enum
 // APPLICATION CALLBACK
 //--------------------------------------------------------------------+
 
-//TU_ATTR_WEAK uint8_t tuh_attach_cb (tusb_desc_device_t const *desc_device);
+// Give the application an opportunity to grab the device descriptor
+TU_ATTR_WEAK void tuh_desc_device_cb(uint8_t daddr, const tusb_desc_device_t *desc_device);
+
+// Give the application an opportunity to grab the configuration descriptor
+TU_ATTR_WEAK void tuh_desc_config_cb(uint8_t daddr, const tusb_desc_configuration_t *desc_config);
 
 // Invoked when device is mounted (configured)
 TU_ATTR_WEAK void tuh_mount_cb (uint8_t daddr);