From 72046d957cc6068aba7a66be013f02dcefdace58 Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Thu, 12 Sep 2019 10:43:16 +0700
Subject: [PATCH] fix #145

---
 hw/bsp/board.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/bsp/board.h b/hw/bsp/board.h
index b5abfe22..15e3a251 100644
--- a/hw/bsp/board.h
+++ b/hw/bsp/board.h
@@ -78,7 +78,7 @@ int board_uart_write(void const * buf, int len);
   {
     return os_time_ticks_to_ms32( os_time_get() );
   }
-#elif
+#else
   #error "Need to implement board_millis() for this OS"
 #endif