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—sdk:wifimodechanger [2018/04/09 14:39] (current) – created juraschek
Line 1: Line 1:
 +<code c wifimodechanger.are>
 +### Change Wifi mode if AP is available
  
 +
 +## Variable that hold the configs for both WLAN Modes
 +ClientConfig="";
 +ApConfig="";
 +nextWlanMode="access-point"; // defines if we change to Client Mode or AP Mode
 +
 +
 +IFC = "WLAN1";
 +homeNetwork = "NMFFM";
 +MIN_SIGNAL = -110;
 +
 +
 +ApConfig=sprintf("%s %s",ApConfig,"wlan.0.status=1");
 +ApConfig=sprintf("%s %s",ApConfig,"wlan.0.mode=access-point");
 +ApConfig=sprintf("%s %s",ApConfig,"wlan.0.regdom=DE");
 +ApConfig=sprintf("%s %s",ApConfig,"wlan.0.settings.channel=1");
 +ApConfig=sprintf("%s %s",ApConfig,"wlan.0.vss.0.status=1");
 +ApConfig=sprintf("%s %s",ApConfig,"wlan.0.vss.0.ssid=NB1600");
 +ApConfig=sprintf("%s %s",ApConfig,"wlan.0.vss.0.secmode=wpa-psk");
 +ApConfig=sprintf("%s %s",ApConfig,"wlan.0.vss.0.psk=passwortpasswort");
 +ApConfig=sprintf("%s %s",ApConfig,"network.wlan.0.mode=routed");
 +ApConfig=sprintf("%s %s",ApConfig,"network.wlan.0.address=192.168.200.1");
 +ApConfig=sprintf("%s %s",ApConfig,"network.wlan.0.netmask=255.255.255.0");
 +ApConfig=sprintf("%s %s",ApConfig,"network.dhcp.200.mode=1");
 +ApConfig=sprintf("%s %s",ApConfig,"network.dhcp.200.start=192.168.200.100");
 +ApConfig=sprintf("%s %s",ApConfig,"network.dhcp.200.end=192.168.200.199");
 +ApConfig=sprintf("%s %s",ApConfig,"network.dhcp.200.ttl=7200");
 +ApConfig=sprintf("%s %s",ApConfig,"network.wlan.0.brdev=");
 +
 +
 +ClientConfig=sprintf("%s %s",ClientConfig,"wlan.0.status=1");
 +ClientConfig=sprintf("%s %s",ClientConfig,"wlan.0.mode=client");
 +ClientConfig=sprintf("%s %s",ClientConfig,"wlan.0.regdom=DE");
 +ClientConfig=sprintf("%s %s",ClientConfig,"wlan.0.settings.channel=1");
 +ClientConfig=sprintf("%s %s",ClientConfig,"wlan.0.client.0.ssid=NMFFM");
 +ClientConfig=sprintf("%s %s",ClientConfig,"wlan.0.client.0.secmode=wpa-psk");
 +ClientConfig=sprintf("%s %s",ClientConfig,"wlan.0.client.0.secproto=wpa2");
 +ClientConfig=sprintf("%s %s",ClientConfig,"wlan.0.client.0.cipher=ccmp");
 +ClientConfig=sprintf("%s %s",ClientConfig,"wlan.0.client.0.psk=passwortpasswort");
 +ClientConfig=sprintf("%s %s",ClientConfig,"wlan.0.client.0.minsst=-100");
 +ClientConfig=sprintf("%s %s",ClientConfig,"wlan.0.client.0.prio=10");
 +ClientConfig=sprintf("%s %s",ClientConfig,"network.wlan.0.mode=static");
 +ClientConfig=sprintf("%s %s",ClientConfig,"network.wlan.0.address=172.31.64.242");
 +ClientConfig=sprintf("%s %s",ClientConfig,"network.wlan.0.netmask=255.255.255.0");
 +
 +
 +
 +currentWlanMode=nb_config_get("wlan.0.mode");
 +
 +
 +
 +/* ATTENTION: Scanning for WLAN networks will tear down any running access-point */
 +nets = nb_scan_networks(IFC);
 +nr_nets = struct_get(nets, "NETWORK_COUNT");
 +
 +if (is_void(nr_nets) || nr_nets < 1) {
 +    nb_syslog("no networks found on %s", IFC);
 +    exit(0);
 +}
 +
 +/* lookup WLAN networks */
 +for (i = 1; i <= nr_nets; i++) {
 +    k = sprintf("NETWORK%d_SSID", i);
 +    ssid = struct_get(nets, k);
 +    k = sprintf("NETWORK%d_SIGNAL", i);    
 +    signal = (int)struct_get(nets, k);
 +
 +    if (strlen(ssid) == 0) continue;
 +
 +    nb_syslog("detected %s network '%s' (signal %d)", IFC, ssid, signal);
 +
 +    if ((ssid == homeNetwork) && signal > MIN_SIGNAL) {
 +        nextWlanMode="client";
 +        break;
 +    }
 +}
 +
 +
 +if (nextWlanMode == "client" && currentWlanMode != "client" ) {
 +    nb_syslog("activating client mode for SSID %s", IFC, homeNetwork);
 +    nb_config_set(ClientConfig);
 +}
 +
 +if (nextWlanMode == "access-point" && currentWlanMode != "access-point" ) {
 +    nb_syslog("activating access point mode");
 +    nb_config_set(ApConfig);
 +}
 +
 +exit(0);
 +
 +
 +
 +</code>

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sdk/wifimodechanger.txt · Last modified: 2018/04/09 14:39 by juraschek