添加智能灯固件代码

firmware/esp-idf/wumei-smart-firmware/examples/protocols/mqtt/tcp/main/CMakeLists.txt

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+idf_component_register(SRCS "app_main.c"
+                    INCLUDE_DIRS ".")

firmware/esp-idf/wumei-smart-firmware/examples/protocols/mqtt/tcp/main/Kconfig.projbuild

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+menu "Example Configuration"
+
+    config BROKER_URL
+        string "Broker URL"
+        default "mqtt://mqtt.eclipse.org"
+        help
+            URL of the broker to connect to
+
+    config BROKER_URL_FROM_STDIN
+        bool
+        default y if BROKER_URL = "FROM_STDIN"
+
+endmenu

firmware/esp-idf/wumei-smart-firmware/examples/protocols/mqtt/tcp/main/app_main.c

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+/* MQTT (over TCP) Example
+
+   This example code is in the Public Domain (or CC0 licensed, at your option.)
+
+   Unless required by applicable law or agreed to in writing, this
+   software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+   CONDITIONS OF ANY KIND, either express or implied.
+*/
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <string.h>
+#include "esp_wifi.h"
+#include "esp_system.h"
+#include "nvs_flash.h"
+#include "esp_event.h"
+#include "esp_netif.h"
+#include "protocol_examples_common.h"
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "freertos/semphr.h"
+#include "freertos/queue.h"
+
+#include "lwip/sockets.h"
+#include "lwip/dns.h"
+#include "lwip/netdb.h"
+
+#include "esp_log.h"
+#include "mqtt_client.h"
+
+static const char *TAG = "MQTT_EXAMPLE";
+
+
+static esp_err_t mqtt_event_handler_cb(esp_mqtt_event_handle_t event)
+{
+    esp_mqtt_client_handle_t client = event->client;
+    int msg_id;
+    // your_context_t *context = event->context;
+    switch (event->event_id) {
+        case MQTT_EVENT_CONNECTED:
+            ESP_LOGI(TAG, "MQTT_EVENT_CONNECTED");
+            msg_id = esp_mqtt_client_publish(client, "/topic/qos1", "data_3", 0, 1, 0);
+            ESP_LOGI(TAG, "sent publish successful, msg_id=%d", msg_id);
+
+            msg_id = esp_mqtt_client_subscribe(client, "/topic/qos0", 0);
+            ESP_LOGI(TAG, "sent subscribe successful, msg_id=%d", msg_id);
+
+            msg_id = esp_mqtt_client_subscribe(client, "/topic/qos1", 1);
+            ESP_LOGI(TAG, "sent subscribe successful, msg_id=%d", msg_id);
+
+            msg_id = esp_mqtt_client_unsubscribe(client, "/topic/qos1");
+            ESP_LOGI(TAG, "sent unsubscribe successful, msg_id=%d", msg_id);
+            break;
+        case MQTT_EVENT_DISCONNECTED:
+            ESP_LOGI(TAG, "MQTT_EVENT_DISCONNECTED");
+            break;
+
+        case MQTT_EVENT_SUBSCRIBED:
+            ESP_LOGI(TAG, "MQTT_EVENT_SUBSCRIBED, msg_id=%d", event->msg_id);
+            msg_id = esp_mqtt_client_publish(client, "/topic/qos0", "data", 0, 0, 0);
+            ESP_LOGI(TAG, "sent publish successful, msg_id=%d", msg_id);
+            break;
+        case MQTT_EVENT_UNSUBSCRIBED:
+            ESP_LOGI(TAG, "MQTT_EVENT_UNSUBSCRIBED, msg_id=%d", event->msg_id);
+            break;
+        case MQTT_EVENT_PUBLISHED:
+            ESP_LOGI(TAG, "MQTT_EVENT_PUBLISHED, msg_id=%d", event->msg_id);
+            break;
+        case MQTT_EVENT_DATA:
+            ESP_LOGI(TAG, "MQTT_EVENT_DATA");
+            printf("TOPIC=%.*s\r\n", event->topic_len, event->topic);
+            printf("DATA=%.*s\r\n", event->data_len, event->data);
+            break;
+        case MQTT_EVENT_ERROR:
+            ESP_LOGI(TAG, "MQTT_EVENT_ERROR");
+            break;
+        default:
+            ESP_LOGI(TAG, "Other event id:%d", event->event_id);
+            break;
+    }
+    return ESP_OK;
+}
+
+static void mqtt_event_handler(void *handler_args, esp_event_base_t base, int32_t event_id, void *event_data) {
+    ESP_LOGD(TAG, "Event dispatched from event loop base=%s, event_id=%d", base, event_id);
+    mqtt_event_handler_cb(event_data);
+}
+
+static void mqtt_app_start(void)
+{
+    esp_mqtt_client_config_t mqtt_cfg = {
+        .uri = CONFIG_BROKER_URL,
+    };
+#if CONFIG_BROKER_URL_FROM_STDIN
+    char line[128];
+
+    if (strcmp(mqtt_cfg.uri, "FROM_STDIN") == 0) {
+        int count = 0;
+        printf("Please enter url of mqtt broker\n");
+        while (count < 128) {
+            int c = fgetc(stdin);
+            if (c == '\n') {
+                line[count] = '\0';
+                break;
+            } else if (c > 0 && c < 127) {
+                line[count] = c;
+                ++count;
+            }
+            vTaskDelay(10 / portTICK_PERIOD_MS);
+        }
+        mqtt_cfg.uri = line;
+        printf("Broker url: %s\n", line);
+    } else {
+        ESP_LOGE(TAG, "Configuration mismatch: wrong broker url");
+        abort();
+    }
+#endif /* CONFIG_BROKER_URL_FROM_STDIN */
+
+    esp_mqtt_client_handle_t client = esp_mqtt_client_init(&mqtt_cfg);
+    esp_mqtt_client_register_event(client, ESP_EVENT_ANY_ID, mqtt_event_handler, client);
+    esp_mqtt_client_start(client);
+}
+
+void app_main(void)
+{
+    ESP_LOGI(TAG, "[APP] Startup..");
+    ESP_LOGI(TAG, "[APP] Free memory: %d bytes", esp_get_free_heap_size());
+    ESP_LOGI(TAG, "[APP] IDF version: %s", esp_get_idf_version());
+
+    esp_log_level_set("*", ESP_LOG_INFO);
+    esp_log_level_set("MQTT_CLIENT", ESP_LOG_VERBOSE);
+    esp_log_level_set("MQTT_EXAMPLE", ESP_LOG_VERBOSE);
+    esp_log_level_set("TRANSPORT_TCP", ESP_LOG_VERBOSE);
+    esp_log_level_set("TRANSPORT_SSL", ESP_LOG_VERBOSE);
+    esp_log_level_set("TRANSPORT", ESP_LOG_VERBOSE);
+    esp_log_level_set("OUTBOX", ESP_LOG_VERBOSE);
+
+    ESP_ERROR_CHECK(nvs_flash_init());
+    ESP_ERROR_CHECK(esp_netif_init());
+    ESP_ERROR_CHECK(esp_event_loop_create_default());
+
+    /* This helper function configures Wi-Fi or Ethernet, as selected in menuconfig.
+     * Read "Establishing Wi-Fi or Ethernet Connection" section in
+     * examples/protocols/README.md for more information about this function.
+     */
+    ESP_ERROR_CHECK(example_connect());
+
+    mqtt_app_start();
+}