From 31be4bd348fdbdd13cd6228f97aa069e0dee5671 Mon Sep 17 00:00:00 2001
From: Zihao Yu <yuzihao@ict.ac.cn>
Date: Thu, 11 Jan 2024 01:43:46 +0800
Subject: [PATCH] components,finsh,shell: do not sleep when there is no input

---
 components/finsh/shell.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/finsh/shell.c b/components/finsh/shell.c
index cfd0855..6b9405a 100644
--- a/components/finsh/shell.c
+++ b/components/finsh/shell.c
@@ -171,7 +171,7 @@ int finsh_getchar(void)
 
     while (rt_device_read(device, -1, &ch, 1) != 1)
     {
-        rt_sem_take(&shell->rx_sem, RT_WAITING_FOREVER);
+        //rt_sem_take(&shell->rx_sem, RT_WAITING_FOREVER);
         if (shell->device != device)
         {
             device = shell->device;