diff --git a/PCB/lichuang_pcb/lichuang_eda.eprj2 b/PCB/lichuang_pcb/lichuang_eda.eprj2
index 68e6394..0552588 100644
Binary files a/PCB/lichuang_pcb/lichuang_eda.eprj2 and b/PCB/lichuang_pcb/lichuang_eda.eprj2 differ
diff --git a/code/esp32c3_espidf/main/CMakeLists.txt b/code/esp32c3_espidf/main/CMakeLists.txt
index 457268d..0a9951b 100644
--- a/code/esp32c3_espidf/main/CMakeLists.txt
+++ b/code/esp32c3_espidf/main/CMakeLists.txt
@@ -4,10 +4,11 @@ file(GLOB_RECURSE SRC_LIST "*.c")
 
 idf_component_register(
     SRCS ${SRC_LIST}
-    PRIV_REQUIRES spi_flash esp_driver_spi esp_driver_gpio esp_timer
+    PRIV_REQUIRES spi_flash esp_timer
     INCLUDE_DIRS "."
     REQUIRES 
         spiffs
+        driver
     PRIV_REQUIRES
     )
 
diff --git a/code/esp32c3_espidf/main/e11.c b/code/esp32c3_espidf/main/e11.c
new file mode 100644
index 0000000..47214bf
--- /dev/null
+++ b/code/esp32c3_espidf/main/e11.c
@@ -0,0 +1,30 @@
+#include "e11.h"
+
+static const char *TAG = "E11";
+
+// ==================== 全局变量 ====================
+// static QueueHandle_t pcnt_evt_queue = NULL;  // PCNT事件队列
+// static QueueHandle_t gpio_evt_queue = NULL;  // GPIO事件队列
+
+static encoder_state_t encoder = {0};
+
+void e11_loop(){
+
+}
+
+void e11_init()
+{
+    // 配置GPIO
+    gpio_config_t io_conf = {
+        .pin_bit_mask = (1ULL << EC11_A_PIN) | (1ULL << EC11_B_PIN) | (1ULL << EC11_SW_PIN), // LCD_DS LCD_CS
+        .mode = GPIO_MODE_INPUT,                                                            // 输出模式
+        .pull_up_en = GPIO_PULLUP_ENABLE,                                                   //
+        .pull_down_en = GPIO_PULLDOWN_DISABLE,                                               //
+        .intr_type = GPIO_INTR_DISABLE                                                       // 禁用中断
+    };
+
+    // 应用配置
+    gpio_config(&io_conf);
+
+
+}
\ No newline at end of file
diff --git a/code/esp32c3_espidf/main/e11.h b/code/esp32c3_espidf/main/e11.h
new file mode 100644
index 0000000..2563853
--- /dev/null
+++ b/code/esp32c3_espidf/main/e11.h
@@ -0,0 +1,53 @@
+#ifndef E11_H
+#define E11_H
+
+#include <stdio.h>
+#include <inttypes.h>
+#include "driver/pcnt.h"
+#include "driver/gpio.h"
+#include "esp_log.h"
+#include "esp_system.h"
+
+#define EC11_A_PIN      GPIO_NUM_18   // 相位A (CLK)
+#define EC11_B_PIN      GPIO_NUM_19   // 相位B (DT)
+#define EC11_SW_PIN     GPIO_NUM_9   // 按键引脚
+
+
+#define PCNT_UNIT       PCNT_UNIT_0   // 使用PCNT单元0
+#define PCNT_CHANNEL    PCNT_CHANNEL_0 // 使用通道0
+#define PCNT_H_LIMIT    10000         // 计数上限
+#define PCNT_L_LIMIT    -10000        // 计数下限
+
+// 滤波参数（消除抖动）
+#define PCNT_FILTER_VAL 1023          // 最大滤波值（约102us）
+
+
+
+// PCNT事件结构体
+typedef struct {
+    int unit;           // PCNT单元号
+    uint32_t status;    // 状态寄存器值
+    int64_t timestamp;  // 时间戳
+} pcnt_evt_t;
+
+// GPIO事件结构体
+typedef struct {
+    uint32_t gpio_num;  // GPIO引脚号
+    uint32_t level;     // 电平状态
+    int64_t timestamp;  // 时间戳
+} gpio_evt_t;
+
+// 编码器状态结构体
+typedef struct {
+    int32_t count;      // 当前计数值
+    int32_t delta;      // 上次变化量
+    bool direction;     // 旋转方向: true=CW, false=CCW
+    bool button_state;  // 按键状态: true=按下, false=释放
+} encoder_state_t;
+
+
+
+void e11_init();
+void e11_loop();
+
+#endif
\ No newline at end of file
diff --git a/code/esp32c3_espidf/main/hello_world_main.c b/code/esp32c3_espidf/main/hello_world_main.c
index 7e1b0b9..d1df705 100644
--- a/code/esp32c3_espidf/main/hello_world_main.c
+++ b/code/esp32c3_espidf/main/hello_world_main.c
@@ -16,6 +16,7 @@
 #include "esp_system.h"
 #include "esp_spiffs.h"
 #include "esp_log.h"
+#include "esp_timer.h"
 
 #include <string.h>
 #include <sys/unistd.h>
@@ -25,24 +26,15 @@
 #include <time.h>        // 时间相关函数
 
 #include "spiffs.h"
-
 #include "spi.h"
-
 #include "lcd.h"
-
-#include "esp_timer.h"
-
+#include "e11.h"
 
 #include "lv_conf.h"
-
-/* 然后包含 lvgl.h */
 #include "lvgl/lvgl.h"
-
 #include "lv_port_disp.h"
 #include "lv_port_fs.h"
-
 #include "lv_log_to_esp.h"
-
 #include "lv_apps/helloworld/lv_helloworld.h"
 
 static const char *TAG = "SYS";
@@ -133,6 +125,8 @@ void app_main(void)
         list_spiffs_files_safe(spiffs_base_path);
     }
 
+    e11_init();
+
     spi_init();
     lcd_init();
 
@@ -145,6 +139,8 @@ void app_main(void)
 
     lv_example_get_started_1();
 
+
+
     while (1)
     {