From 00f374682ea5aaecf189e46966f015576049a773 Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Mon, 3 Nov 2025 11:43:19 +0700
Subject: fixing alert by scanning tool

---
 hw/bsp/board_api.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'hw')

diff --git a/hw/bsp/board_api.h b/hw/bsp/board_api.h
index 80d86a4aa..088c5fec4 100644
--- a/hw/bsp/board_api.h
+++ b/hw/bsp/board_api.h
@@ -35,6 +35,7 @@ extern "C" {
 #include <inttypes.h>
 #include <stdbool.h>
 #include <string.h>
+#include <stdio.h>
 
 #include "tusb.h"
 
@@ -164,7 +165,7 @@ static inline size_t board_usb_get_serial(uint16_t desc_str1[], size_t max_chars
           '0', '1', '2', '3', '4', '5', '6', '7',
           '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'
       };
-      uint8_t const nibble = (uid[i] >> (j * 4)) & 0xf;
+      const uint8_t nibble = (uint8_t) ((uid[i] >> (j * 4)) & 0xf);
       desc_str1[i * 2 + (1 - j)] = nibble_to_hex[nibble]; // UTF-16-LE
     }
   }
-- 
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