diff --git a/examples/device/cdc_msc_hid/src/tusb_config.h b/examples/device/cdc_msc_hid/src/tusb_config.h
index 0634c9576..a9a356f20 100644
--- a/examples/device/cdc_msc_hid/src/tusb_config.h
+++ b/examples/device/cdc_msc_hid/src/tusb_config.h
@@ -52,7 +52,7 @@
 
 // defined by compiler flags for flexibility
 #ifndef CFG_TUSB_MCU
-  #error CFG_TUSB_MCU should be defined using compiler flags
+  #error CFG_TUSB_MCU must be defined
 #endif
 
 #if CFG_TUSB_MCU == OPT_MCU_LPC43XX || CFG_TUSB_MCU == OPT_MCU_LPC18XX
@@ -93,12 +93,22 @@
  */
 #define CFG_TUD_DESC_AUTO           1
 
-/* USB VID/PID if not defined, tinyusb to use default value
+/* If USB VID/PID is not defined, tinyusb will use default value
  * Note: different class combination e.g CDC and (CDC + MSC) should have different
  * PID since Host OS will "remembered" device driver after the first plug */
 // #define CFG_TUD_DESC_VID          0xCAFE
 // #define CFG_TUD_DESC_PID          0x0001
 
+// LPC175x_6x's endpoint type (bulk/interrupt/iso) are fixed by its number
+// Therefor we need to force endpoint number to correct type on lpc17xx
+#if CFG_TUSB_MCU == OPT_MCU_LPC175X_6X
+#define CFG_TUD_DESC_CDC_EPNUM_NOTIF      1
+#define CFG_TUD_DESC_CDC_EPNUM            2
+#define CFG_TUD_DESC_MSC_EPNUM            5
+#define CFG_TUD_DESC_HID_KEYBOARD_EPNUM   4
+#define CFG_TUD_DESC_HID_MOUSE_EPNUM      7
+#endif
+
 //------------- CLASS -------------//
 #define CFG_TUD_CDC                 1
 #define CFG_TUD_MSC                 1
@@ -114,7 +124,6 @@
 #define CFG_TUD_HID_KEYBOARD_BOOT   1
 #define CFG_TUD_HID_MOUSE_BOOT      1
 
-
 //--------------------------------------------------------------------
 // CDC
 //--------------------------------------------------------------------
diff --git a/src/class/msc/msc_device.h b/src/class/msc/msc_device.h
index b268830ca..4053679b8 100644
--- a/src/class/msc/msc_device.h
+++ b/src/class/msc/msc_device.h
@@ -71,16 +71,6 @@ TU_VERIFY_STATIC(CFG_TUD_MSC_BUFSIZE < UINT16_MAX, "Size is not correct");
   #error CFG_TUD_MSC_PRODUCT_REV 4-byte string must be defined
 #endif
 
-// TODO highspeed device is 512
-#ifndef CFG_TUD_MSC_EPSIZE
-#if TUD_OPT_HIGH_SPEED
-#define CFG_TUD_MSC_EPSIZE 512
-#else
-#define CFG_TUD_MSC_EPSIZE 64
-#endif
-#endif
-
-
 #ifdef __cplusplus
  extern "C" {
 #endif
diff --git a/src/device/usbd_auto_desc.c b/src/device/usbd_auto_desc.c
index 2d54a934d..028d1b433 100644
--- a/src/device/usbd_auto_desc.c
+++ b/src/device/usbd_auto_desc.c
@@ -101,18 +101,19 @@ enum
   ITF_NUM_TOTAL
 };
 
-enum {
-    ITF_STR_LANGUAGE = 0 ,
-    ITF_STR_MANUFACTURER ,
-    ITF_STR_PRODUCT      ,
-    ITF_STR_SERIAL       ,
+enum
+{
+  ITF_STR_LANGUAGE = 0 ,
+  ITF_STR_MANUFACTURER ,
+  ITF_STR_PRODUCT      ,
+  ITF_STR_SERIAL       ,
 
 #if CFG_TUD_CDC
-    ITF_STR_CDC          ,
+  ITF_STR_CDC          ,
 #endif
 
 #if CFG_TUD_MSC
-    ITF_STR_MSC          ,
+  ITF_STR_MSC          ,
 #endif
 
 #if CFG_TUD_HID_KEYBOARD && CFG_TUD_HID_KEYBOARD_BOOT
@@ -133,23 +134,51 @@ enum {
 #define _EP_OUT(x)              (x)
 
 // CDC
-#define EP_CDC_NOTIF            _EP_IN ( ITF_NUM_CDC+1 )
+#ifdef CFG_TUD_DESC_CDC_EPNUM_NOTIF
+  #define EP_CDC_NOTIF            _EP_IN (CFG_TUD_DESC_CDC_EPNUM_NOTIF)
+#else
+  #define EP_CDC_NOTIF            _EP_IN ( ITF_NUM_CDC+1 )
+#endif
 #define EP_CDC_NOTIF_SIZE       8
 
-#define EP_CDC_OUT              _EP_OUT( ITF_NUM_CDC+2 )
-#define EP_CDC_IN               _EP_IN ( ITF_NUM_CDC+2 )
+#ifdef CFG_TUD_DESC_CDC_EPNUM
+  #define EP_CDC_OUT              _EP_OUT( CFG_TUD_DESC_CDC_EPNUM )
+  #define EP_CDC_IN               _EP_IN ( CFG_TUD_DESC_CDC_EPNUM )
+#else
+  #define EP_CDC_OUT              _EP_OUT( ITF_NUM_CDC+2 )
+  #define EP_CDC_IN               _EP_IN ( ITF_NUM_CDC+2 )
+#endif
 
 // Mass Storage
-#define EP_MSC_OUT              _EP_OUT( ITF_NUM_MSC+1 )
-#define EP_MSC_IN               _EP_IN ( ITF_NUM_MSC+1 )
+#ifdef CFG_TUD_DESC_MSC_EPNUM
+  #define EP_MSC_OUT              _EP_OUT( CFG_TUD_DESC_MSC_EPNUM )
+  #define EP_MSC_IN               _EP_IN ( CFG_TUD_DESC_MSC_EPNUM )
+#else
+  #define EP_MSC_OUT              _EP_OUT( ITF_NUM_MSC+1 )
+  #define EP_MSC_IN               _EP_IN ( ITF_NUM_MSC+1 )
+#endif
+
+#if TUD_OPT_HIGH_SPEED
+#define EP_MSC_SIZE 512
+#else
+#define EP_MSC_SIZE 64
+#endif
 
 
 // HID Keyboard with boot protocol
-#define EP_HID_KBD_BOOT         _EP_IN ( ITF_NUM_HID_BOOT_KBD+1 )
+#ifdef CFG_TUD_DESC_HID_KEYBOARD_EPNUM
+  #define EP_HID_KBD_BOOT         _EP_IN ( CFG_TUD_DESC_HID_KEYBOARD_EPNUM )
+#else
+  #define EP_HID_KBD_BOOT         _EP_IN ( ITF_NUM_HID_BOOT_KBD+1 )
+#endif
 #define EP_HID_KBD_BOOT_SZ      8
 
 // HID Mouse with boot protocol
-#define EP_HID_MSE_BOOT         _EP_IN ( ITF_NUM_HID_BOOT_MSE+1 )
+#ifdef CFG_TUD_DESC_HID_MOUSE_EPNUM
+  #define EP_HID_MSE_BOOT         _EP_IN ( CFG_TUD_DESC_HID_MOUSE_EPNUM )
+#else
+  #define EP_HID_MSE_BOOT         _EP_IN ( ITF_NUM_HID_BOOT_MSE+1 )
+#endif
 #define EP_HID_MSE_BOOT_SZ      8
 
 // HID composite = keyboard + mouse + gamepad + etc ...
@@ -466,7 +495,7 @@ desc_auto_cfg_t const _desc_auto_config_struct =
           .bDescriptorType  = TUSB_DESC_ENDPOINT,
           .bEndpointAddress = EP_MSC_OUT,
           .bmAttributes     = { .xfer = TUSB_XFER_BULK },
-          .wMaxPacketSize   = { .size = CFG_TUD_MSC_EPSIZE},
+          .wMaxPacketSize   = { .size = EP_MSC_SIZE},
           .bInterval        = 1
       },
 
@@ -476,7 +505,7 @@ desc_auto_cfg_t const _desc_auto_config_struct =
           .bDescriptorType  = TUSB_DESC_ENDPOINT,
           .bEndpointAddress = EP_MSC_IN,
           .bmAttributes     = { .xfer = TUSB_XFER_BULK },
-          .wMaxPacketSize   = { .size = CFG_TUD_MSC_EPSIZE},
+          .wMaxPacketSize   = { .size = EP_MSC_SIZE},
           .bInterval        = 1
       }
     },
@@ -563,7 +592,6 @@ desc_auto_cfg_t const _desc_auto_config_struct =
 #endif // boot mouse
 
 #if AUTO_DESC_HID_GENERIC
-
     //------------- HID Generic Multiple report -------------//
     .hid_generic =
     {
@@ -601,7 +629,6 @@ desc_auto_cfg_t const _desc_auto_config_struct =
             .bInterval        = 0x0A
         }
     }
-
 #endif // hid generic
 };