3 files changed, 10 insertions, 9 deletions
diff --git a/src/class/cdc/cdc_host.c b/src/class/cdc/cdc_host.c
index e9c3d34cb..011ee49dc 100644
--- a/src/class/cdc/cdc_host.c
+++ b/src/class/cdc/cdc_host.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2019 Ha Thach (tinyusb.org)
@@ -97,7 +97,7 @@ static inline uint8_t get_idx_by_ep_addr(uint8_t daddr, uint8_t ep_addr)
     }
   }
 
-  return TUSB_INDEX_INVALID;
+  return TU_INDEX_INVALID_8;
 }
 
 
@@ -124,7 +124,7 @@ uint8_t tuh_cdc_itf_get_index(uint8_t daddr, uint8_t itf_num)
     if (p_cdc->daddr == daddr && p_cdc->bInterfaceNumber == itf_num) return i;
   }
 
-  return TUSB_INDEX_INVALID;
+  return TU_INDEX_INVALID_8;
 }
 
 bool tuh_cdc_itf_get_info(uint8_t idx, tuh_cdc_itf_info_t* info)
@@ -533,7 +533,7 @@ static void process_cdc_config(tuh_xfer_t* xfer)
   uintptr_t const state = xfer->user_data;
   uint8_t const itf_num = (uint8_t) tu_le16toh(xfer->setup->wIndex);
   uint8_t const idx = tuh_cdc_itf_get_index(xfer->daddr, itf_num);
-  TU_ASSERT(idx != TUSB_INDEX_INVALID, );
+  TU_ASSERT(idx != TU_INDEX_INVALID_8, );
 
   switch(state)
   {
diff --git a/src/common/tusb_common.h b/src/common/tusb_common.h
index 957491aa9..faccf8726 100644
--- a/src/common/tusb_common.h
+++ b/src/common/tusb_common.h
@@ -75,6 +75,12 @@
 
 #include "tusb_timeout.h" // TODO remove
 
+enum
+{
+  TU_INDEX_INVALID_8 = 0xFFu
+};
+
+
 //--------------------------------------------------------------------+
 // Optional API implemented by application if needed
 // TODO move to a more ovious place/file
diff --git a/src/common/tusb_types.h b/src/common/tusb_types.h
index 7266a525e..d567bd482 100644
--- a/src/common/tusb_types.h
+++ b/src/common/tusb_types.h
@@ -273,11 +273,6 @@ enum
   CONTROL_STAGE_ACK
 };
 
-enum
-{
-  TUSB_INDEX_INVALID = 0xff
-};
-
 //--------------------------------------------------------------------+
 // USB Descriptors
 //--------------------------------------------------------------------+