源码wifi-config Hi3861 实现手机APP配网功能

#include "hi_wifi_api.h" #include "lwip/ip_addr.h" #include "lwip/netifapi.h" #include "lwip/sockets.h" #include <stdio.h> #include <unistd.h> #include "ohos_init.h" #include "cmsis_os2.h" #include "cJSON.h" #include "sta_mode.h" void wifi_stop_softap(void); #define APP_INIT_VAP_NUM 2 #define APP_INIT_USR_NUM 2 static struct netif *g_lwip_netif = NULL; char recvline[1024]; char ssid[50]; char passwd[50]; void udp_thread(void) { int ret; struct sockaddr_in servaddr; cJSON *recvjson; int sockfd = socket(PF_INET, SOCK_DGRAM, 0); //服务器 ip port bzero(&servaddr, sizeof(servaddr)); servaddr.sin_family = AF_INET; servaddr.sin_addr.s_addr = htonl(INADDR_ANY); servaddr.sin_port = htons(50001); bind(sockfd, (struct sockaddr *)&servaddr, sizeof(servaddr)); while(1) { struct sockaddr_in addrClient; int sizeClientAddr = sizeof(struct sockaddr_in); memset(recvline, sizeof(recvline), 0); ret = recvfrom(sockfd, recvline, 1024, 0, (struct sockaddr*)&addrClient,(socklen_t*)&sizeClientAddr); if(ret>0) { char *pClientIP =inet_ntoa(addrClient.sin_addr); printf("%s-%d(%d) says:%s\n",pClientIP,ntohs(addrClient.sin_port),addrClient.sin_port, recvline); //进行json解析 recvjson = cJSON_Parse(recvline); printf("ssid : %s\r\n", cJSON_GetObjectItem(recvjson, "ssid")->valuestring); printf("passwd : %s\r\n", cJSON_GetObjectItem(recvjson, "passwd")->valuestring); memset(ssid, sizeof(ssid), 0); memset(passwd, sizeof(passwd), 0); strcpy(ssid, cJSON_GetObjectItem(recvjson, "ssid")->valuestring); strcpy(passwd, cJSON_GetObjectItem(recvjson, "passwd")->valuestring); cJSON_Delete(recvjson); //先停止AP模式 wifi_stop_softap(); //启动STA模式 start_sta_connect(ssid, strlen(ssid), passwd, strlen(passwd)); } //sendto(sockfd, recvline, ret, 0, (struct sockaddr *)&addrClient, sizeClientAddr); } } /* clear netif's ip, gateway and netmask */ void softap_reset_addr(struct netif *pst_lwip_netif) { ip4_addr_t st_gw; ip4_addr_t st_ipaddr; ip4_addr_t st_netmask; if (pst_lwip_netif == NULL) { printf("hisi_reset_addr::Null param of netdev\r\n"); return; } IP4_ADDR(&st_ipaddr, 0, 0, 0, 0); IP4_ADDR(&st_gw, 0, 0, 0, 0); IP4_ADDR(&st_netmask, 0, 0, 0, 0); netifapi_netif_set_addr(pst_lwip_netif, &st_ipaddr, &st_netmask, &st_gw); } int wifi_start_softap(void) { int ret; errno_t rc; char ifname[WIFI_IFNAME_MAX_SIZE + 1] = {0}; int len = sizeof(ifname); hi_wifi_softap_config hapd_conf = {0}; ip4_addr_t st_gw; ip4_addr_t st_ipaddr; ip4_addr_t st_netmask; rc = memcpy_s(hapd_conf.ssid, HI_WIFI_MAX_SSID_LEN + 1, "Hispark-WiFi-IoT", 16); /* 9:ssid length */ if (rc != EOK) { return -1; } hapd_conf.authmode = HI_WIFI_SECURITY_OPEN; hapd_conf.channel_num = 1; ret = hi_wifi_softap_start(&hapd_conf, ifname, &len); if (ret != HISI_OK) { printf("hi_wifi_softap_start\n"); return -1; } /* acquire netif for IP operation */ g_lwip_netif = netifapi_netif_find(ifname); if (g_lwip_netif == NULL) { printf("%s: get netif failed\n", __FUNCTION__); return -1; } IP4_ADDR(&st_gw, 192, 168, 10, 1); /* input your IP for example: 192.168.1.1 */ IP4_ADDR(&st_ipaddr, 192, 168, 10, 1); /* input your netmask for example: 192.168.1.1 */ IP4_ADDR(&st_netmask, 255, 255, 255, 0); /* input your gateway for example: 255.255.255.0 */ netifapi_netif_set_addr(g_lwip_netif, &st_ipaddr, &st_netmask, &st_gw); netifapi_dhcps_start(g_lwip_netif, 0, 0); udp_thread(); return 0; } void wifi_stop_softap(void) { int ret; netifapi_dhcps_stop(g_lwip_netif); softap_reset_addr(g_lwip_netif); ret = hi_wifi_softap_stop(); if (ret != HISI_OK) { printf("failed to stop softap\n"); } ret = hi_wifi_deinit(); if (ret != HISI_OK) { printf("failed to deinit wifi\n"); } g_lwip_netif = NULL; }