Merge pull request #1228 from armink/fix_shell

BernardXiong · web-flow · commit 3a7d989d7f7e · 2018-02-24T08:53:11.000+08:00
[Components][Finsh] Add shell getchar received error process.
diff --git 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')
         {

Original file line number	Diff line number	Diff line change
`@@ -541,8 +541,8 @@ void finsh_thread_entry(void *parameter)`
`541`	`541`	`}`
`542`	`542`	`}`
`543`	`543`
`544`		`- /* handle CR key */`
`545`		`- if (ch == '\0') continue;`
	`544`	`+ /* received null or error */`
	`545`	`+ if (ch == '\0' \|\| ch == 0xFF) continue;`
`546`	`546`	`/* handle tab key */`
`547`	`547`	`else if (ch == '\t')`
`548`	`548`	`{`