diff --git a/.cproject b/.cproject
index c79a401..720f1bc 100644
--- a/.cproject
+++ b/.cproject
@@ -26,7 +26,8 @@
-
+
+
diff --git a/.settings/org.eclipse.cdt.core.prefs b/.settings/org.eclipse.cdt.core.prefs
new file mode 100644
index 0000000..9fa20dc
--- /dev/null
+++ b/.settings/org.eclipse.cdt.core.prefs
@@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+environment/project/com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.502298629/append=true
+environment/project/com.st.stm32cube.ide.mcu.gnu.managedbuild.config.exe.debug.502298629/appendContributed=true
diff --git a/Core/Src/freertos.c b/Core/Src/freertos.c
index fd2e9f2..8d6e22c 100644
--- a/Core/Src/freertos.c
+++ b/Core/Src/freertos.c
@@ -513,9 +513,9 @@ void enter_isp_state()
HAL_Delay(10);
if(HAL_RTCEx_BKUPRead(&hrtc,RTC_BKP_DR1) == 0x32f2)
{//write successful
- Beep(100);
- Beep(100);
- Beep(100);
+ Beep(500);
+ Beep(500);
+ Beep(500);
printf("Enter to BIOS update state.\n");
printf("System will reboot ,then run ISP automatic.\n");
HAL_NVIC_SystemReset();
diff --git a/Core/Src/main.c b/Core/Src/main.c
index db76617..5a6c409 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -110,7 +110,7 @@ int main(void)
/* USER CODE BEGIN 2 */
//HAL_IWDG_Refresh(&hiwdg);
printf("Core initial successfully\n");
- printf("BIOS Version: 0.9 \n");
+ printf("BIOS Version: V0.9 ,build: %s ,%s\n",__DATE__ ,__TIME__ );
/* USER CODE END 2 */
/* Init scheduler */
diff --git a/README.md b/README.md
index 626170a..692c72e 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,8 @@
> 主板上基础功能控制器的固件升级
+* 固件及升级工具： https://github.com/autolaborcenter/EmbeddedProductData
+
* 进入方法：
1. 断开主板的主电源和备用电源，并将主板BIOS的USB typeC接口和Host PC连接；
3. 按下`重启`按钮，插入主板的主电源，听到滴声后，松开`重启`按钮；