添加智能灯固件代码

firmware/esp-idf/wumei-smart-firmware/examples/protocols/sockets/udp_client/main/CMakeLists.txt

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

firmware/esp-idf/wumei-smart-firmware/examples/protocols/sockets/udp_client/main/Kconfig.projbuild

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+menu "Example Configuration"
+
+    choice EXAMPLE_IP_MODE
+        prompt "IP Version"
+        depends on EXAMPLE_SOCKET_IP_INPUT_STRING
+        help
+            Example can use either IPV4 or IPV6.
+
+        config EXAMPLE_IPV4
+            bool "IPV4"
+
+        config EXAMPLE_IPV6
+            bool "IPV6"
+            select EXAMPLE_CONNECT_IPV6
+
+    endchoice
+
+    config EXAMPLE_IPV4_ADDR
+        string "IPV4 Address"
+        default "192.168.0.165"
+        depends on EXAMPLE_IPV4
+        help
+            IPV4 address to which the client example will send data.
+
+    config EXAMPLE_IPV6_ADDR
+        string "IPV6 Address"
+        default "FE80::30AD:E57B:C212:68AD"
+        depends on EXAMPLE_IPV6
+        help
+            IPV6 address to which the client example will send data.
+
+    config EXAMPLE_PORT
+        int "Port"
+        range 0 65535
+        default 3333
+        help
+            The remote port to which the client example will send data.
+
+    choice EXAMPLE_SOCKET_IP_INPUT
+        prompt "Socket example source"
+        default EXAMPLE_SOCKET_IP_INPUT_STRING
+        help
+            Selects the input source of the IP used in the example.
+
+        config EXAMPLE_SOCKET_IP_INPUT_STRING
+            bool "From string"
+
+        config EXAMPLE_SOCKET_IP_INPUT_STDIN
+            bool "From stdin"
+    endchoice
+
+endmenu

firmware/esp-idf/wumei-smart-firmware/examples/protocols/sockets/udp_client/main/component.mk

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+#
+# "main" pseudo-component makefile.
+#
+# (Uses default behaviour of compiling all source files in directory, adding 'include' to include path.)

firmware/esp-idf/wumei-smart-firmware/examples/protocols/sockets/udp_client/main/udp_client.c

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+/* BSD Socket API 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 <string.h>
+#include <sys/param.h>
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "freertos/event_groups.h"
+#include "esp_system.h"
+#include "esp_wifi.h"
+#include "esp_event.h"
+#include "esp_log.h"
+#include "nvs_flash.h"
+#include "esp_netif.h"
+#include "protocol_examples_common.h"
+
+#include "lwip/err.h"
+#include "lwip/sockets.h"
+#include "lwip/sys.h"
+#include <lwip/netdb.h>
+#include "addr_from_stdin.h"
+
+#if defined(CONFIG_EXAMPLE_IPV4)
+#define HOST_IP_ADDR CONFIG_EXAMPLE_IPV4_ADDR
+#elif defined(CONFIG_EXAMPLE_IPV6)
+#define HOST_IP_ADDR CONFIG_EXAMPLE_IPV6_ADDR
+#else
+#define HOST_IP_ADDR ""
+#endif
+
+#define PORT CONFIG_EXAMPLE_PORT
+
+static const char *TAG = "example";
+static const char *payload = "Message from ESP32 ";
+
+
+static void udp_client_task(void *pvParameters)
+{
+    char rx_buffer[128];
+    char host_ip[] = HOST_IP_ADDR;
+    int addr_family = 0;
+    int ip_protocol = 0;
+
+    while (1) {
+
+#if defined(CONFIG_EXAMPLE_IPV4)
+        struct sockaddr_in dest_addr;
+        dest_addr.sin_addr.s_addr = inet_addr(HOST_IP_ADDR);
+        dest_addr.sin_family = AF_INET;
+        dest_addr.sin_port = htons(PORT);
+        addr_family = AF_INET;
+        ip_protocol = IPPROTO_IP;
+#elif defined(CONFIG_EXAMPLE_IPV6)
+        struct sockaddr_in6 dest_addr = { 0 };
+        inet6_aton(HOST_IP_ADDR, &dest_addr.sin6_addr);
+        dest_addr.sin6_family = AF_INET6;
+        dest_addr.sin6_port = htons(PORT);
+        dest_addr.sin6_scope_id = esp_netif_get_netif_impl_index(EXAMPLE_INTERFACE);
+        addr_family = AF_INET6;
+        ip_protocol = IPPROTO_IPV6;
+#elif defined(CONFIG_EXAMPLE_SOCKET_IP_INPUT_STDIN)
+        struct sockaddr_in6 dest_addr = { 0 };
+        ESP_ERROR_CHECK(get_addr_from_stdin(PORT, SOCK_DGRAM, &ip_protocol, &addr_family, &dest_addr));
+#endif
+
+        int sock = socket(addr_family, SOCK_DGRAM, ip_protocol);
+        if (sock < 0) {
+            ESP_LOGE(TAG, "Unable to create socket: errno %d", errno);
+            break;
+        }
+        ESP_LOGI(TAG, "Socket created, sending to %s:%d", HOST_IP_ADDR, PORT);
+
+        while (1) {
+
+            int err = sendto(sock, payload, strlen(payload), 0, (struct sockaddr *)&dest_addr, sizeof(dest_addr));
+            if (err < 0) {
+                ESP_LOGE(TAG, "Error occurred during sending: errno %d", errno);
+                break;
+            }
+            ESP_LOGI(TAG, "Message sent");
+
+            struct sockaddr_in source_addr; // Large enough for both IPv4 or IPv6
+            socklen_t socklen = sizeof(source_addr);
+            int len = recvfrom(sock, rx_buffer, sizeof(rx_buffer) - 1, 0, (struct sockaddr *)&source_addr, &socklen);
+
+            // Error occurred during receiving
+            if (len < 0) {
+                ESP_LOGE(TAG, "recvfrom failed: errno %d", errno);
+                break;
+            }
+            // Data received
+            else {
+                rx_buffer[len] = 0; // Null-terminate whatever we received and treat like a string
+                ESP_LOGI(TAG, "Received %d bytes from %s:", len, host_ip);
+                ESP_LOGI(TAG, "%s", rx_buffer);
+                if (strncmp(rx_buffer, "OK: ", 4) == 0) {
+                    ESP_LOGI(TAG, "Received expected message, reconnecting");
+                    break;
+                }
+            }
+
+            vTaskDelay(2000 / portTICK_PERIOD_MS);
+        }
+
+        if (sock != -1) {
+            ESP_LOGE(TAG, "Shutting down socket and restarting...");
+            shutdown(sock, 0);
+            close(sock);
+        }
+    }
+    vTaskDelete(NULL);
+}
+
+void app_main(void)
+{
+    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());
+
+    xTaskCreate(udp_client_task, "udp_client", 4096, NULL, 5, NULL);
+}