【FFH】OpenHarmony设备开发（四）-WIFI_AP开发 原创 精华

static void Wifi_AP_Demo(void)
{
 osThreadAttr_t attr;

 attr.name = "WifiAPTask";
 attr.attr_bits = 0U;
 attr.cb_mem = NULL;
 attr.cb_size = 0U;
 attr.stack_mem = NULL;
 attr.stack_size = 10240;
 attr.priority = 25;

 if (osThreadNew((osThreadFunc_t)WifiAPTask, NULL, &attr) == NULL)
 {
     printf("Falied to create WifiAPTask!\r\n");
 }
}

SYS_RUN(Wifi_AP_Demo);

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typedef struct {
    /** Connection state change */
    void (*OnWifiConnectionChanged)(int state, WifiLinkedInfo *info);
    /** Scan state change */
    void (*OnWifiScanStateChanged)(int state, int size);
    /** Hotspot state change */
    void (*OnHotspotStateChanged)(int state);
    /** Station connected */
    void (*OnHotspotStaJoin)(StationInfo *info);
    /** Station disconnected */
    void (*OnHotspotStaLeave)(StationInfo *info);
} WifiEvent;
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	//注册wifi事件的回调函数
    g_wifiEventHandler.OnHotspotStaJoin = OnHotspotStaJoinHandler;
    g_wifiEventHandler.OnHotspotStaLeave = OnHotspotStaLeaveHandler;
    g_wifiEventHandler.OnHotspotStateChanged = OnHotspotStateChangedHandler;
    //指定WiFi回调函数
    RegisterWifiEvent(&g_wifiEventHandler);
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	//设置指定的热点配置
    HotspotConfig config = {0};
    //初始化热点相关配置
    strcpy(config.ssid, "FSR_hispark");	//设置热点的SSID	
    strcpy(config.preSharedKey, "12345678"); //设置热点的密钥
    config.securityType = WIFI_SEC_TYPE_PSK; //加密模式为PSK
    config.band = HOTSPOT_BAND_TYPE_2G; //设置频段为2.4GHz
    config.channelNum = 7;	//热点的信道数
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//配置wifi热点
SetHotspotConfig(&config);
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error = EnableHotspot();
    if (error != WIFI_SUCCESS)	//返回值为0即是开启成功
    {
        printf("EnableHotspot failed, error = %d.\r\n", error);
        return -1;
    }
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if (IsHotspotActive() == WIFI_HOTSPOT_NOT_ACTIVE)	//若不成功
    {
        printf("Wifi station is not actived.\r\n");
        return -1;
    }
    printf("Wifi station is actived!\r\n");
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static struct netif *g_lwip_netif = NULL;
g_lwip_netif = netifapi_netif_find("ap0");	//查找网络接口
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ip4_addr_t bp_gw;
ip4_addr_t bp_ipaddr;
ip4_addr_t bp_netmask;

IP4_ADDR(&bp_gw, 192, 168, 1, 1);        /* 网关 */
IP4_ADDR(&bp_ipaddr, 192, 168, 1, 1);    /* IP */
IP4_ADDR(&bp_netmask, 255, 255, 255, 0); /* 网络掩码 */

err_t ret = netifapi_netif_set_addr(g_lwip_netif, &bp_ipaddr, &bp_netmask, &bp_gw);	
//ret为0即成功
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static void OnHotspotStateChangedHandler(int state)
{
    printf("HotspotStateChanged:state is %d.\r\n", state);
    if (state == WIFI_HOTSPOT_ACTIVE) // state=1表示已启用WIFI AP模式
    {
        printf("wifi hotspot active.\r\n");
    }
    else // state=0表示WIFI AP模式已禁用
    {
        printf("wifi hotspot noactive.\r\n");
    }
}

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static void OnHotspotStaLeaveHandler(StationInfo *info)
{
    if (info == NULL)
    {
        printf("HotspotStaLeave:info is null.\r\n");
    }
    else
    {
        static char macAddress[32] = {0};
        unsigned char *mac = info->macAddress;
        snprintf(macAddress, sizeof(macAddress), "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
        printf("HotspotStaLeave: macAddress=%s, reason=%d.\r\n", macAddress, info->disconnectedReason);
        //设备-1
        g_apEnableSuccess--;
    }
    return;
}

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static void HotspotStaJoinTask(void)
{
    static char macAddress[32] = {0};
    StationInfo stainfo[WIFI_MAX_STA_NUM] = {0};
    StationInfo *sta_list_node = NULL;
    unsigned int size = WIFI_MAX_STA_NUM;

    //获取当前接入到该AP的所有STA站点信息
    error = GetStationList(stainfo, &size);
    if (error != WIFI_SUCCESS)
    {
        printf("HotspotStaJoin:get list fail, error is %d.\r\n", error);
        return;
    }
    sta_list_node = stainfo;
    //打印出每个STA站点的MAC地址
    for (uint32_t i = 0; i < size; i++, sta_list_node++)
    {
        unsigned char *mac = sta_list_node->macAddress;
        snprintf(macAddress, sizeof(macAddress), "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
        printf("HotspotSta[%d]: macAddress=%s.\r\n", i, macAddress);
    }
    //记录设备+1
    g_apEnableSuccess++;
}

//STA加入回调函数
static void OnHotspotStaJoinHandler(StationInfo *info)
{
    if (info == NULL)
    {
        printf("HotspotStaJoin:info is null.\r\n");
    }
    else
    {
        //创建连接线程
        printf("New Sta Join\n");
        osThreadAttr_t attr;
        attr.name = "HotspotStaJoinTask";
        attr.attr_bits = 0U;
        attr.cb_mem = NULL;
        attr.cb_size = 0U;
        attr.stack_mem = NULL;
        attr.stack_size = 2048;
        attr.priority = 24;
        if (osThreadNew((osThreadFunc_t)HotspotStaJoinTask, NULL, &attr) == NULL)
        {
            printf("HotspotStaJoin:create task fail!\r\n");
        }
    }
    return;
}
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