From 16d61082929f1d4efedb26b91bd20a0d3d140d86 Mon Sep 17 00:00:00 2001
From: spdis <q17721073823@outlook.com>
Date: Sun, 19 Oct 2025 18:07:06 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D4=E5=8F=B7=E5=91=BD=E4=BB=A4?=
 =?UTF-8?q?=E4=B8=8D=E8=83=BD=E9=87=8D=E5=A4=8D=E6=89=A7=E8=A1=8C=E7=9A=84?=
 =?UTF-8?q?bug?=
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---
 demo_entry_cmsis.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/demo_entry_cmsis.c b/demo_entry_cmsis.c
index cdbc809..ed20e6b 100644
--- a/demo_entry_cmsis.c
+++ b/demo_entry_cmsis.c
@@ -335,6 +335,8 @@ static void controlTask(void *arg)
                     printf("Displaying text: %s\r\n", g_current_command.text);
                     DisplayMixedString(0, 0, g_current_command.text);
                 }
+                
+                display_timer = 2;  // 设置2秒计时器
             }
             // 兼容旧命令的处理逻辑（只有在非JSON命令时才执行）
             else if(control_flag == 0 && g_current_command.cmd == 0)  // 兼容旧命令：关闭
@@ -388,6 +390,20 @@ static void controlTask(void *arg)
             }
         }
 
+        // 处理命令4的2秒计时器
+        if(control_flag == CMD_DISPLAY_ONLY && display_timer > 0)
+        {
+            display_timer--;
+            if(display_timer == 0)
+            {
+                printf("2 seconds elapsed, clearing screen for command 4\r\n");
+                // 清屏
+                OledClearScreen();
+                // 重置控制标志，使其能够响应下一个命令4
+                control_flag = 0;
+            }
+        }
+
         // 兼容旧的计时逻辑
         if(control_flag == 2 && g_current_command.cmd == 0)
         {