[Components][Finsh] Add shell getchar received error process.

2018-02-23 15:24:27 +08:00 · 2018-02-23 15:24:27 +08:00 · 013e5bd411
commit 013e5bd411
parent d4dcbe0cb1
1 changed files with 2 additions and 2 deletions
--- a/components/finsh/shell.c
+++ b/components/finsh/shell.c
@ -541,8 +541,8 @@ void finsh_thread_entry(void *parameter)
            }
        }

-        /* handle CR key */
-        if (ch == '\0') continue;
+        /* received null or error */
+        if (ch == '\0' || ch == 0xFF) continue;
        /* handle tab key */
        else if (ch == '\t')
        {