From c4fb3d5f419d4193cab49cabb2c6e75da08aa907 Mon Sep 17 00:00:00 2001
From: liaowentao520 <3322976823@qq.com>
Date: Sun, 6 Jul 2025 23:52:08 +0800
Subject: [PATCH] Create main

---
 main | 159 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 159 insertions(+)
 create mode 100644 main

diff --git a/main b/main
new file mode 100644
index 0000000000000..e17d8c5bcacef
--- /dev/null
+++ b/main
@@ -0,0 +1,159 @@
+#include "stm32f10x.h"
+#include "key.h"
+#include "sys.h"
+
+//////////////////////////////////////////////////////////////////////////////////
+//本程序只供学习使用，未经作者许可，不得用于其它任何用途
+//ALIENTEK精英STM32开发板
+//按键驱动代码
+//正点原子@ALIENTEK
+//技术论坛:www.openedv.com
+//修改日期:2012/9/3
+//版本：V1.0
+//版权所有，盗版必究。
+//Copyright(C) 广州市星翼电子科技有限公司 2009-2019
+//All rights reserved
+//////////////////////////////////////////////////////////////////////////////////
+
+u8 isKey1 = 0;
+u8 isKey2 = 0;
+u8 isKey3 = 0;
+u8 isKey4 = 0;
+u8 isKey5 = 0;
+u8 isKey6 = 0;
+u8 isKey7 = 0;
+u8 isKey8 = 0;
+
+//
+/*
+******按键初始化函数*****************************************
+*	功能:	按键初始化函数
+*	入口参数:	无
+*	返回参数:	无
+*	说明:		KEY1-PB14		KEY2-PB12   KEY3-PB15    KEY4-PB13
+************************************************************
+*/
+void KEY_Init(void) //IO初始化
+{
+ 	GPIO_InitTypeDef GPIO_InitStructure;
+ 	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB,ENABLE);//使能PORTA时钟
+	GPIO_InitStructure.GPIO_Pin  = GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8;//KEY0,KEY1
+	GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; //设置成上拉输入
+ 	GPIO_Init(GPIOB, &GPIO_InitStructure);//
+}
+
+
+void Key1Press(void)
+{
+    if(isKey1 == 0)
+        isKey1=1;
+}
+
+void Key2Press(void)
+{
+    if(isKey2 == 0)
+        isKey2=1;
+
+}
+
+void Key3Press(void)
+{
+    if(isKey3 == 0)
+        isKey3=1;
+
+}
+
+void Key4Press(void)
+{
+    if(isKey4 == 0)
+        isKey4=1;
+
+}
+
+//void Key5Press(void)
+//{
+//    if(isKey5 == 0)
+//        isKey5=1;
+//}
+
+//void Key6Press(void)
+//{
+//    if(isKey6 == 0)
+//        isKey6=1;
+
+//}
+
+//void Key7Press(void)
+//{
+//    if(isKey7 == 0)
+//        isKey7=1;
+
+//}
+
+//void Key8Press(void)
+//{
+//    if(isKey8 == 0)
+//        isKey8=1;
+
+//}
+
+/*
+******按键扫描函数*****************************************
+*	功能:	按键扫描函数
+*	入口参数:	无
+*	返回参数:	无
+*	说明:		KEY1-PB14		KEY2-PB12   KEY3-PB15    KEY4-PB13
+************************************************************
+*/
+void KeyScan(void)
+{
+    static int keyCount = 0;
+    static int keyState = 0;
+    if (KEY1 == 0 && keyState == 0) //按键按下
+    {
+        keyCount++;
+        if (keyCount > 1 && KEY1 == 0 && keyState == 0) //加两次类似延迟10ms，不好解释
+        {
+            /*ToDo:按键按下执行的操作*/
+            Key1Press();
+            keyState = 1;
+        }
+    }
+    else if (KEY2 == 0 && keyState == 0)
+    {
+        keyCount++;
+        if (keyCount > 1 && KEY2 == 0 && keyState == 0)
+        {
+            /*ToDo:按键按下执行的操作*/
+            Key2Press();
+            keyState = 1;
+        }
+    }
+    else if (KEY3 == 0 && keyState == 0)
+    {
+        keyCount++;
+        if (keyCount > 1 && KEY3 == 0 && keyState == 0)
+        {
+            /*ToDo:按键按下执行的操作*/
+            Key3Press();
+            keyState = 1;
+        }
+    }
+    else if (KEY4 == 0 && keyState == 0)
+    {
+        keyCount++;
+        if (keyCount > 1 && KEY4 == 0 && keyState == 0)
+        {
+            /*ToDo:按键按下执行的操作*/
+            Key4Press();
+            keyState = 1;
+        }
+    }
+
+    
+    else if (KEY1 == 1 && KEY2 == 1 && KEY3 == 1 && KEY4 == 1 &&keyState == 1) //当所有按键都处于抬起状态，状态刷新  && KEY5 == 1 && KEY6 == 1 && KEY7 == 1 && KEY8 == 1&&keyState == 
+    {
+        keyCount = 0;
+        keyState = 0;
+    }
+}