添加智能灯固件代码

firmware/esp-idf/wumei-smart-firmware/components/button/button_gpio.c

@@ -0,0 +1,65 @@
+// 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.
+
+#include "esp_log.h"
+#include "driver/gpio.h"
+#include "button_gpio.h"
+
+static const char *TAG = "gpio button";
+
+#define GPIO_BTN_CHECK(a, str, ret_val)                          \
+    if (!(a))                                                     \
+    {                                                             \
+        ESP_LOGE(TAG, "%s(%d): %s", __FUNCTION__, __LINE__, str); \
+        return (ret_val);                                         \
+    }
+
+esp_err_t button_gpio_init(const button_gpio_config_t *config)
+{
+    GPIO_BTN_CHECK(NULL != config, "Pointer of config is invalid", ESP_ERR_INVALID_ARG);
+
+    gpio_config_t gpio_conf;
+    gpio_conf.intr_type = GPIO_INTR_DISABLE;
+    gpio_conf.mode = GPIO_MODE_INPUT;
+    gpio_conf.pin_bit_mask = (1ULL << config->gpio_num);
+    if (config->active_level) {
+        gpio_conf.pull_down_en = GPIO_PULLDOWN_ENABLE;
+        gpio_conf.pull_up_en = GPIO_PULLUP_DISABLE;
+    } else {
+        gpio_conf.pull_down_en = GPIO_PULLDOWN_DISABLE;
+        gpio_conf.pull_up_en = GPIO_PULLUP_ENABLE;
+    }
+    gpio_config(&gpio_conf);
+
+    return ESP_OK;
+}
+
+esp_err_t button_gpio_deinit(int gpio_num)
+{
+    /** both disable pullup and pulldown */
+    gpio_config_t gpio_conf = {
+        .intr_type = GPIO_INTR_DISABLE,
+        .mode = GPIO_MODE_INPUT,
+        .pin_bit_mask = (1ULL << gpio_num),
+        .pull_down_en = GPIO_PULLDOWN_DISABLE,
+        .pull_up_en = GPIO_PULLUP_DISABLE,
+    };
+    gpio_config(&gpio_conf);
+    return ESP_OK;
+}
+
+uint8_t button_gpio_get_key_level(void *gpio_num)
+{
+    return (uint8_t)gpio_get_level((uint32_t)gpio_num);
+}