账号设置
退出登录
目录
  • 一、准备工作
  • 二、编译 WIFI STA Sample代码
  • 三、测试

Wi-Fi STA 连接无线热点测试

该教程演示如何通过开发板进行Wi-Fi STA 连接无线热点。

一、准备工作

  • 准备1块BearPi-Pico H3863开发板
  • 准备一个手机,用于开启无线热点

二、编译 WIFI STA Sample代码

在Windows下编译操作

  1. 点击工具栏中的“系统配置”,打开配置界面.

    Alt text

  2. 选择Support WIFI STA Sample

    Application  --->
    [*] Enable Sample.
    [ ]     Enable the Sample of peripheral.
    [*]     Enable the Sample of WIFI.
    [*]         Support WIFI STA Sample
    [ ]         Support WIFI SoftAP Sample.
    [ ]         Support UDP Client Sample.
    [ ]     Enable the Sample of products.

    Alt textAlt text

  3. 按下"Save"键保存配置。

    Alt text

  4. 打开sta_sample.c，将Wi-Fi的连接信息修改成自己手机开启热点的Wi-Fi账号和密码。

    Alt text

  5. 关键代码，位于application\samples\wifi\sta_sample\sta_sample.c

    td_s32 example_sta_function(td_void)
{
    td_char ifname[WIFI_IFNAME_MAX_SIZE + 1] = "wlan0"; /* 创建的STA接口名 */
    wifi_sta_config_stru expected_bss = {0}; /* 连接请求信息 */
    struct netif *netif_p = TD_NULL;
    td_u32 wait_count = 0;

    /* 创建STA接口 */
    if (wifi_sta_enable() != 0) {
        return -1;
    }
    PRINT("%s::STA enable succ.\r\n", WIFI_STA_SAMPLE_LOG);

    do {
        (void)osDelay(1); /* 1: 等待10ms后判断状态 */
        if (g_wifi_state == WIFI_STA_SAMPLE_INIT) {
            PRINT("%s::Scan start!\r\n", WIFI_STA_SAMPLE_LOG);
            g_wifi_state = WIFI_STA_SAMPLE_SCANING;
            /* 启动STA扫描 */
            if (wifi_sta_scan() != 0) {
                g_wifi_state = WIFI_STA_SAMPLE_INIT;
                continue;
            }
        } else if (g_wifi_state == WIFI_STA_SAMPLE_SCAN_DONE) {
            /* 获取待连接的网络 */
            if (example_get_match_network(&expected_bss) != 0) {
                PRINT("%s::Do not find AP, try again !\r\n", WIFI_STA_SAMPLE_LOG);
                g_wifi_state = WIFI_STA_SAMPLE_INIT;
                continue;
            }
            g_wifi_state = WIFI_STA_SAMPLE_FOUND_TARGET;
        } else if (g_wifi_state == WIFI_STA_SAMPLE_FOUND_TARGET) {
            PRINT("%s::Connect start.\r\n", WIFI_STA_SAMPLE_LOG);
            g_wifi_state = WIFI_STA_SAMPLE_CONNECTING;
            /* 启动连接 */
            if (wifi_sta_connect(&expected_bss) != 0) {
                g_wifi_state = WIFI_STA_SAMPLE_INIT;
                continue;
            }
        } else if (g_wifi_state == WIFI_STA_SAMPLE_CONNECT_DONE) {
            PRINT("%s::DHCP start.\r\n", WIFI_STA_SAMPLE_LOG);
            g_wifi_state = WIFI_STA_SAMPLE_GET_IP;
            netif_p = netifapi_netif_find(ifname);
            if (netif_p == TD_NULL || netifapi_dhcp_start(netif_p) != 0) {
                PRINT("%s::find netif or start DHCP fail, try again !\r\n", WIFI_STA_SAMPLE_LOG);
                g_wifi_state = WIFI_STA_SAMPLE_INIT;
                continue;
            }
        } else if (g_wifi_state == WIFI_STA_SAMPLE_GET_IP) {
            if (example_check_dhcp_status(netif_p, &wait_count) == 0) {
                break;
            }
            wait_count++;
        }
    } while (1);

    return 0;
}

  6. 编译烧录固件

    参考环境搭建教程编译烧录代码

三、测试

烧录固件后打开手机热点，复位开发板，在手机上观察开发板是否接入手机热点