测试WIFI先扫描SID

SOFTWARE/Source/MAIN.cpp

@@ -258,41 +258,95 @@ static void core1_main()
     return;
 }
 
-int main(int argc, char *argv[])
-{
-    stdio_init_all();
-    sleep_ms(1000);
 
+#define TARGET_SSID "cpyfb-01"  // 替换为你要连接的 SSID
+#define TARGET_PASSWORD "aa1122334" // 替换为你的 Wi-Fi 密码
+
+static bool is_target_ssid_found = false;  // 标志：目标 SSID 是否被找到
+
+// 扫描结果处理函数
+static int scan_result(void *env, const cyw43_ev_scan_result_t *result) {
+    if (result) {
+        // 输出每个扫描结果的信息
+        printf("ssid: %-32s rssi: %4d chan: %3d mac: %02x:%02x:%02x:%02x:%02x:%02x sec: %u\n",
+            result->ssid, result->rssi, result->channel,
+            result->bssid[0], result->bssid[1], result->bssid[2], result->bssid[3], result->bssid[4], result->bssid[5],
+            result->auth_mode);
+
+        // 检查是否是目标 SSID
+        if (!is_target_ssid_found && strcmp((const char*)result->ssid, TARGET_SSID) == 0) {
+            printf("Found target SSID: %s\n", TARGET_SSID);
+            is_target_ssid_found = true;
+        }
+    }
+    return 0;
+}
+
+// 执行 Wi-Fi 扫描
+int wifi_scan() {
+    cyw43_wifi_scan_options_t scan_options = {0};
+    int err = cyw43_wifi_scan(&cyw43_state, &scan_options, NULL, scan_result);
+    if (err != 0) {
+        printf("Failed to start Wi-Fi scan: %d\n", err);
+        return err;
+    }
+    return 0;
+}
+
+// 连接 Wi-Fi
+int wifi_connect() {
+    printf("Connecting to Wi-Fi...\n");
+    if (cyw43_arch_wifi_connect_timeout_ms(TARGET_SSID, TARGET_PASSWORD, CYW43_AUTH_WPA2_AES_PSK, 30000)) {
+        printf("Wi-Fi connection failed.\n");
+        return -1;
+    } else {
+        printf("Wi-Fi connected successfully.\n");
+        return 0;
+    }
+}
+
+// 主程序
+int main(int argc, char *argv[]) {
+    stdio_init_all();
+    sleep_ms(3000);
+
+    // 初始化 CYW43 模块
     if (cyw43_arch_init()) {
-        DEBUG_printf("failed to initialise\n");
+        printf("CYW43 initialization failed\n");
         return 1;
     }
+
     cyw43_arch_enable_sta_mode();
 
-    printf("Connecting to Wi-Fi...\n");
+    // 执行扫描并等待找到目标 SSID
-    if (cyw43_arch_wifi_connect_timeout_ms("root", "@aixiao.19960623", CYW43_AUTH_WPA2_AES_PSK, 30000)) {
+    while (!is_target_ssid_found) {
-        printf("failed to connect.\n");
+        int scan_result_code = wifi_scan();
-        return 1;
+        if (scan_result_code != 0) {
-    } else {
+            cyw43_arch_deinit();
-        printf("Connected.\n");
+            return 1;
+        }
+
+        sleep_ms(7000);  // 每隔 7 秒重新扫描一次
     }
 
-    while (1)
+    // 目标 Wi-Fi 已找到，连接 Wi-Fi
-    {
+    if (wifi_connect() != 0) {
+        cyw43_arch_deinit();
+        return 1;
+    }
+
+    // 连接成功，执行 TCP 客户端测试
+    while (1) {
         run_tcp_client_test();
         sleep_ms(3000);
     }
-    
-
 
     cyw43_arch_deinit();
-
-
-
     return 0;
 }
 
 
+
 /*
 int main(int argc, char *argv[])
 {

SOFTWARE/Source/MAIN.hpp

@@ -17,8 +17,13 @@
 #include "hardware/adc.h"
 
 #include "pico/cyw43_arch.h"
+
 #include "lwip/pbuf.h"
 #include "lwip/tcp.h"
+#include "lwip/ip_addr.h"       // 包含 IP 地址结构体定义
+
+#include "hardware/vreg.h"
+#include "hardware/clocks.h"
 
 #define BUFER 1024
 #define DS18B20_PIN 15          // DS18B20 引脚

SOFTWARE/Source/WIFI.c

@@ -194,7 +194,21 @@ static TCP_CLIENT_T* tcp_client_init(void) {
         DEBUG_printf("failed to allocate state\n");  // 分配失败
         return NULL;
     }
-    ip4addr_aton(TEST_TCP_SERVER_IP, &state->remote_addr);  // 解析服务器IP地址
+
+    
+    // 如果 TEST_TCP_SERVER_IP 是 IP 地址，直接解析为 IP 地址
+    if (ip4addr_aton(TEST_TCP_SERVER_IP, &state->remote_addr) == 0) {
+        // 如果解析失败，尝试作为域名解析
+        DEBUG_printf("Failed to parse IP address, trying DNS resolution\n");
+
+        err_t err = dns_gethostbyname(TEST_TCP_SERVER_IP, &state->remote_addr, NULL, NULL);
+        if (err != ERR_OK) {
+            DEBUG_printf("DNS resolution failed\n");
+            free(state);
+            return NULL;
+        }
+    }
+
     return state;
 }
 

SOFTWARE/Source/WIFI.h

@@ -10,8 +10,9 @@
 
 #include "lwip/pbuf.h"
 #include "lwip/tcp.h"
+#include "lwip/dns.h"
 
-#define TEST_TCP_SERVER_IP "192.168.9.90"
+#define TEST_TCP_SERVER_IP "192.168.31.17"
 #define TCP_PORT 91
 
 #define DEBUG_printf printf