添加智能灯固件代码

firmware/esp-idf/wumei-smart-firmware/components/button/include/button_gpio.h

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+// Copyright 2020 Espressif Systems (Shanghai) Co. Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#ifndef _IOT_BUTTON_GPIO_H_
+#define _IOT_BUTTON_GPIO_H_
+
+#include "driver/gpio.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief gpio button configuration
+ * 
+ */
+typedef struct {
+    int32_t gpio_num;
+    uint8_t active_level;
+} button_gpio_config_t;
+
+/**
+ * @brief Initialize gpio button
+ * 
+ * @param config pointer of configuration struct
+ * 
+ * @return
+ *      - ESP_OK on success
+ *      - ESP_ERR_INVALID_ARG   Arguments is NULL.
+ */
+esp_err_t button_gpio_init(const button_gpio_config_t *config);
+
+/**
+ * @brief Deinitialize gpio button
+ * 
+ * @param gpio_num gpio number of button
+ * 
+ * @return Always return ESP_OK
+ */
+esp_err_t button_gpio_deinit(int gpio_num);
+
+/**
+ * @brief Get current level on button gpio
+ * 
+ * @param gpio_num gpio number of button, it will be treated as a uint32_t variable.
+ * 
+ * @return Level on gpio
+ */
+uint8_t button_gpio_get_key_level(void *gpio_num);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif