diff --git a/.DS_Store b/.DS_Store
index 214aefe..2f2e7fc 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/User/.DS_Store b/User/.DS_Store
new file mode 100644
index 0000000..5d92361
Binary files /dev/null and b/User/.DS_Store differ
diff --git a/User/bsp/key_gpio.c b/User/bsp/key_gpio.c
new file mode 100644
index 0000000..d3cfb88
--- /dev/null
+++ b/User/bsp/key_gpio.c
@@ -0,0 +1,48 @@
+/* Includes ----------------------------------------------------------------- */
+#include "key_gpio.h"
+#include "bsp.h"
+#include <gpio.h>
+
+/* Private define ----------------------------------------------------------- */
+/* Private macro ------------------------------------------------------------ */
+/* Private typedef ---------------------------------------------------------- */
+/* Private variables -------------------------------------------------------- */
+
+static uint32_t key_stats; // 使用位掩码记录每个通道的状态，最多支持32LED
+/* 按键配置表（根据实际硬件修改） */
+static const BSP_Key_Config_t KEY_CONFIGS[] = {
+    {GPIOA, GPIO_PIN_7, GPIO_PIN_SET},   // KEY1按下时电平为高
+    {GPIOA, GPIO_PIN_9, GPIO_PIN_SET}, // KEY2按下时电平为低
+    // 添加更多按键...
+};
+
+#define KEY_COUNT (sizeof(KEY_CONFIGS)/sizeof(KEY_CONFIGS[0])
+	
+
+//读取按键状态（带消抖）
+int8_t BSP_Key_Read(BSP_Key_Channel_t ch) {
+    static uint32_t last_press_time[BSP_KEY_COUNT] = {0};      //上次按下时间
+    const uint32_t debounce_ms = 20;      //按键消抖时间
+    const uint32_t long_press_ms = 2000;      //按键长按时间
+    
+    if(ch >= BSP_KEY_COUNT) return BSP_KEY_RELEASED ;
+    
+    const BSP_Key_Config_t *cfg = &KEY_CONFIGS[ch];
+    GPIO_PinState state = HAL_GPIO_ReadPin(cfg->port, cfg->pin);
+    
+    if(state == cfg->active_level) {
+        uint32_t now = HAL_GetTick();      //用于记录按键按下时间（这里比较state是为了方便适应不同有效电平做出修改的，也可以改成直接检测电平高低）
+        
+        //消抖检测(只有按下超过20ms才被认为按下）
+        if((now - last_press_time[ch]) > debounce_ms) {
+            //长按检测（只有被按下超过2000ms才被认为是长按，根据实际情况可做出修改）
+            if((now - last_press_time[ch]) > long_press_ms) {
+                return BSP_KEY_LONG_PRESS;
+            }
+            return BSP_KEY_PRESSED;
+        }
+    } else {
+        last_press_time[ch] = HAL_GetTick();
+    }
+    return BSP_KEY_RELEASED;
+}	
diff --git a/User/bsp/key_gpio.h b/User/bsp/key_gpio.h
new file mode 100644
index 0000000..c6fe1de
--- /dev/null
+++ b/User/bsp/key_gpio.h
@@ -0,0 +1,36 @@
+#pragma once
+
+/* Includes ----------------------------------------------------------------- */
+#include <stdint.h>
+#include "main.h"
+//#include "key_gpio.h"
+/* Exported constants ------------------------------------------------------- */
+/* Exported macro ----------------------------------------------------------- */
+/* Exported types ----------------------------------------------------------- */
+
+/* KEY按键状态，设置用 */
+typedef enum
+{
+    BSP_KEY_RELEASED,  //按键释放
+    BSP_KEY_PRESSED,   //按键按下
+    BSP_KEY_LONG_PRESS,  //按键长按
+} BSP_KEY_Status_t;
+
+
+/* 按键通道定义 */
+typedef enum {
+    BSP_KEY_1,
+    BSP_KEY_2,
+    /* 可根据需要扩展 */
+    BSP_KEY_COUNT
+} BSP_Key_Channel_t;
+
+
+/* 按键硬件配置结构体 */
+typedef struct {
+    GPIO_TypeDef *port;    // GPIO端口
+    uint16_t pin;          // 引脚编号
+    uint8_t active_level;  // 有效电平（GPIO_PIN_SET/RESET）
+} BSP_Key_Config_t;
+
+int8_t BSP_Key_Read(BSP_Key_Channel_t ch);
\ No newline at end of file