diff --git a/hw/mcu/nxp/lpc43xx/tusb_port/dcd_lpc43xx.c b/hw/mcu/nxp/lpc43xx/tusb_port/dcd_lpc43xx.c
index 26463c70..ace6bfd2 100644
--- a/hw/mcu/nxp/lpc43xx/tusb_port/dcd_lpc43xx.c
+++ b/hw/mcu/nxp/lpc43xx/tusb_port/dcd_lpc43xx.c
@@ -234,7 +234,7 @@ void tusb_dcd_control_stall(uint8_t port)
 
 // control transfer does not need to use qtd find function
 // follows UM 24.10.8.1.1 Setup packet handling using setup lockout mechanism
-bool tusb_dcd_control_xfer(uint8_t port, tusb_direction_t dir, uint8_t * p_buffer, uint16_t length, bool int_on_complete)
+bool tusb_dcd_control_xfer(uint8_t port, tusb_dir_t dir, uint8_t * p_buffer, uint16_t length, bool int_on_complete)
 {
   LPC_USB0_Type* const lpc_usb = LPC_USB[port];
   dcd_data_t* const p_dcd      = dcd_data_ptr[port];
@@ -301,7 +301,7 @@ bool tusb_dcd_edpt_open(uint8_t port, tusb_descriptor_endpoint_t const * p_endpo
   // TODO not support ISO yet
   VERIFY ( p_endpoint_desc->bmAttributes.xfer != TUSB_XFER_ISOCHRONOUS);
 
-  tusb_direction_t dir = (p_endpoint_desc->bEndpointAddress & TUSB_DIR_DEV_TO_HOST_MASK) ? TUSB_DIR_DEV_TO_HOST : TUSB_DIR_HOST_TO_DEV;
+  tusb_dir_t dir = (p_endpoint_desc->bEndpointAddress & TUSB_DIR_DEV_TO_HOST_MASK) ? TUSB_DIR_DEV_TO_HOST : TUSB_DIR_HOST_TO_DEV;
 
   //------------- Prepare Queue Head -------------//
   uint8_t ep_idx    = edpt_addr2phy(p_endpoint_desc->bEndpointAddress);
diff --git a/tinyusb/class/cdc/cdc_device.c b/tinyusb/class/cdc/cdc_device.c
index 557c1ed0..739dce05 100644
--- a/tinyusb/class/cdc/cdc_device.c
+++ b/tinyusb/class/cdc/cdc_device.c
@@ -218,12 +218,12 @@ tusb_error_t cdcd_control_request_subtask(uint8_t port, tusb_control_request_t c
   switch(p_request->bRequest)
   {
     case CDC_REQUEST_GET_LINE_CODING:
-      tusb_dcd_control_xfer(port, (tusb_direction_t) p_request->bmRequestType_bit.direction,
+      tusb_dcd_control_xfer(port, (tusb_dir_t) p_request->bmRequestType_bit.direction,
                             (uint8_t*) &cdcd_line_coding[port], min16_of(sizeof(cdc_line_coding_t), p_request->wLength), false );
     break;
 
     case CDC_REQUEST_SET_LINE_CODING:
-      tusb_dcd_control_xfer(port, (tusb_direction_t) p_request->bmRequestType_bit.direction,
+      tusb_dcd_control_xfer(port, (tusb_dir_t) p_request->bmRequestType_bit.direction,
                             (uint8_t*) &cdcd_line_coding[port], min16_of(sizeof(cdc_line_coding_t), p_request->wLength), false );
       // TODO notify application on xfer completea
     break;
diff --git a/tinyusb/class/hid/hid_device.c b/tinyusb/class/hid/hid_device.c
index 716e65bc..f3895895 100644
--- a/tinyusb/class/hid/hid_device.c
+++ b/tinyusb/class/hid/hid_device.c
@@ -218,7 +218,7 @@ tusb_error_t hidd_control_request_subtask(uint8_t port, tusb_control_request_t c
                                                        &p_buffer, p_request->wLength);
       SUBTASK_ASSERT( p_buffer != NULL && actual_length > 0 );
 
-      tusb_dcd_control_xfer(port, (tusb_direction_t) p_request->bmRequestType_bit.direction, p_buffer, actual_length, false);
+      tusb_dcd_control_xfer(port, (tusb_dir_t) p_request->bmRequestType_bit.direction, p_buffer, actual_length, false);
     }
     else if ( (HID_REQUEST_CONTROL_SET_REPORT == p_request->bRequest) && (p_driver->set_report_cb != NULL) )
     {
@@ -226,7 +226,7 @@ tusb_error_t hidd_control_request_subtask(uint8_t port, tusb_control_request_t c
       // wValue = Report Type | Report ID
       tusb_error_t error;
 
-      tusb_dcd_control_xfer(port, (tusb_direction_t) p_request->bmRequestType_bit.direction, m_hid_buffer, p_request->wLength, true);
+      tusb_dcd_control_xfer(port, (tusb_dir_t) p_request->bmRequestType_bit.direction, m_hid_buffer, p_request->wLength, true);
 
       osal_semaphore_wait(usbd_control_xfer_sem_hdl, OSAL_TIMEOUT_NORMAL, &error); // wait for control xfer complete
       SUBTASK_ASSERT_STATUS(error);
diff --git a/tinyusb/common/std_request.h b/tinyusb/common/std_request.h
index 87d6e5d0..b20b72ab 100644
--- a/tinyusb/common/std_request.h
+++ b/tinyusb/common/std_request.h
@@ -56,7 +56,7 @@ typedef struct ATTR_PACKED{
     struct ATTR_PACKED {
       uint8_t recipient :  5; ///< Recipient type tusb_std_request_recipient_t.
       uint8_t type      :  2; ///< Request type tusb_control_request_type_t.
-      uint8_t direction :  1; ///< Direction type. tusb_direction_t
+      uint8_t direction :  1; ///< Direction type. tusb_dir_t
     } bmRequestType_bit;
     uint8_t bmRequestType;
   };
diff --git a/tinyusb/common/tusb_types.h b/tinyusb/common/tusb_types.h
index d156d5e0..08f49ebe 100644
--- a/tinyusb/common/tusb_types.h
+++ b/tinyusb/common/tusb_types.h
@@ -70,7 +70,7 @@ typedef enum
   TUSB_DIR_DEV_TO_HOST      = 1,
 
   TUSB_DIR_DEV_TO_HOST_MASK = 0x80
-}tusb_direction_t;
+}tusb_dir_t;
 
 
 /// USB Descriptor Types (section 9.4 table 9-5)
diff --git a/tinyusb/device/dcd_lpc175x_6x.c b/tinyusb/device/dcd_lpc175x_6x.c
index ec4a0a9d..ad5e0716 100644
--- a/tinyusb/device/dcd_lpc175x_6x.c
+++ b/tinyusb/device/dcd_lpc175x_6x.c
@@ -378,7 +378,7 @@ void tusb_dcd_control_stall(uint8_t port)
   sie_write(SIE_CMDCODE_ENDPOINT_SET_STATUS+0, 1, SIE_SET_ENDPOINT_STALLED_MASK | SIE_SET_ENDPOINT_CONDITION_STALLED_MASK);
 }
 
-bool tusb_dcd_control_xfer(uint8_t port, tusb_direction_t dir, uint8_t * p_buffer, uint16_t length, bool int_on_complete)
+bool tusb_dcd_control_xfer(uint8_t port, tusb_dir_t dir, uint8_t * p_buffer, uint16_t length, bool int_on_complete)
 {
   (void) port;
 
diff --git a/tinyusb/device/dcd_lpc_11uxx_13uxx.c b/tinyusb/device/dcd_lpc_11uxx_13uxx.c
index de6cccdd..3b91f37e 100644
--- a/tinyusb/device/dcd_lpc_11uxx_13uxx.c
+++ b/tinyusb/device/dcd_lpc_11uxx_13uxx.c
@@ -380,7 +380,7 @@ void tusb_dcd_control_stall(uint8_t port)
   dcd_data.qhd[0][0].stall = dcd_data.qhd[1][0].stall = 1;
 }
 
-bool tusb_dcd_control_xfer(uint8_t port, tusb_direction_t dir, uint8_t * p_buffer, uint16_t length, bool int_on_complete)
+bool tusb_dcd_control_xfer(uint8_t port, tusb_dir_t dir, uint8_t * p_buffer, uint16_t length, bool int_on_complete)
 {
   (void) port;
 
diff --git a/tinyusb/device/usbd.c b/tinyusb/device/usbd.c
index 3220fdac..70b5e297 100644
--- a/tinyusb/device/usbd.c
+++ b/tinyusb/device/usbd.c
@@ -296,7 +296,7 @@ tusb_error_t usbd_control_request_subtask(uint8_t port, tusb_control_request_t c
 
       if ( TUSB_ERROR_NONE == error )
       {
-        tusb_dcd_control_xfer(port, (tusb_direction_t) p_request->bmRequestType_bit.direction, (uint8_t*) p_buffer, length, false);
+        tusb_dcd_control_xfer(port, (tusb_dir_t) p_request->bmRequestType_bit.direction, (uint8_t*) p_buffer, length, false);
       }
     }
     else if ( TUSB_REQUEST_SET_ADDRESS == p_request->bRequest )
@@ -347,7 +347,7 @@ tusb_error_t usbd_control_request_subtask(uint8_t port, tusb_control_request_t c
     //    ASSERT(error == TUSB_ERROR_NONE, VOID_RETURN);
   }else if (p_request->wLength == 0)
   {
-    tusb_dcd_control_xfer(port, (tusb_direction_t) p_request->bmRequestType_bit.direction, NULL, 0, false); // zero length for non-data
+    tusb_dcd_control_xfer(port, (tusb_dir_t) p_request->bmRequestType_bit.direction, NULL, 0, false); // zero length for non-data
   }
 
   OSAL_SUBTASK_END
diff --git a/tinyusb/tusb_dcd.h b/tinyusb/tusb_dcd.h
index 611511f2..79ed9589 100644
--- a/tinyusb/tusb_dcd.h
+++ b/tinyusb/tusb_dcd.h
@@ -78,7 +78,7 @@ void tusb_dcd_xfer_complete(uint8_t port, uint8_t edpt_addr, uint32_t xferred_by
 /* API
  *------------------------------------------------------------------*/
 //------------- Control Endpoint -------------//
-bool tusb_dcd_control_xfer(uint8_t port, tusb_direction_t dir, uint8_t * p_buffer, uint16_t length, bool int_on_complete);
+bool tusb_dcd_control_xfer(uint8_t port, tusb_dir_t dir, uint8_t * p_buffer, uint16_t length, bool int_on_complete);
 void tusb_dcd_control_stall(uint8_t port);
 
 bool tusb_dcd_edpt_open(uint8_t port, tusb_descriptor_endpoint_t const * p_endpoint_desc);