add some code

managed_components/espressif__button/interface/button_interface.h

@@ -0,0 +1,34 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#include <stdbool.h>
+#include <stdint.h>
+#include "esp_err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct button_driver_t button_driver_t; /*!< Type of button object */
+
+struct button_driver_t {
+    /*!< (optional) Need Support Power Save */
+    bool enable_power_save;
+
+    /*!< (necessary) Get key level */
+    uint8_t (*get_key_level)(button_driver_t *button_driver);
+
+    /*!< (optional) Enter Power Save cb */
+    esp_err_t (*enter_power_save)(button_driver_t *button_driver);
+
+    /*!< (optional) Del the hardware driver and cleanup */
+    esp_err_t (*del)(button_driver_t *button_driver);
+};
+
+#ifdef __cplusplus
+}
+#endif