From eaffb198f5266e53bd2a3b9ae4272c306c66ca91 Mon Sep 17 00:00:00 2001
From: Wang Gang <wang.vai@gmail.com>
Date: Wed, 27 Nov 2024 08:13:58 +0800
Subject: [PATCH] Fix unhandled serial input error code

---
 firmware/src/cli.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/firmware/src/cli.c b/firmware/src/cli.c
index d9c17bb..31ae4f6 100644
--- a/firmware/src/cli.c
+++ b/firmware/src/cli.c
@@ -176,7 +176,7 @@ void cli_run()
     }
 
     int c = getchar_timeout_us(0);
-    if (c == EOF) {
+    if (c < 0) {
         return;
     }
     if (c == 0) {