dswifi/ap_search/source/template.c

/*---------------------------------------------------------------------------------

Simple wifi demo to locate and connect to an ap
-- dovoto

---------------------------------------------------------------------------------*/
#include <nds.h>
#include <stdio.h>
#include <dswifi9.h>

#include <sys/types.h>
#include <netinet/in.h>

#include <sys/socket.h>
#include <netdb.h>

//---------------------------------------------------------------------------------
Wifi_AccessPoint* findAP(void){
    //---------------------------------------------------------------------------------

    int selected = 0;  
    int i;
    int count = 0;

    static Wifi_AccessPoint ap;

    Wifi_ScanMode(); //this allows us to search for APs

    while(!(keysDown() & KEY_A))
    {
        scanKeys();

        //find out how many APs there are in the area
        count = Wifi_GetNumAP();

        consoleClear();

        iprintf("Number of APs found: %d\n", count);

        //display the APs to the user
        for(i = 0; i < count; i++)
        {
            Wifi_AccessPoint ap;

            Wifi_GetAPData(i, &ap);

            // display the name of the AP
            iprintf("%s %s Wep:%s Sig:%i\n", 
                i == selected ? "*" : " ", 
                ap.ssid, 
                ap.flags & WFLAG_APDATA_WEP ? "Yes " : "No ",
                ap.rssi * 100 / 0xD0);

        }

        //move the selection asterick
        if(keysDown() & KEY_UP)
        {
            selected--;
            if(selected < 0)
            {
                selected = 0;
            }
        }

        if(keysDown()&KEY_DOWN)
        {
            selected++;
            if(selected >= count) 
            {
                selected = count - 1;
            }
        }

        swiWaitForVBlank();
    }

    //user has made a choice so grab the ap and return it
    Wifi_GetAPData(selected, &ap);

    return &ap;
}

//---------------------------------------------------------------------------------
void keyPressed(int c){
//---------------------------------------------------------------------------------
    if(c > 0) iprintf("%c",c);
}

//---------------------------------------------------------------------------------
int main(void) {
//---------------------------------------------------------------------------------
    Wifi_InitDefault(false);
    
    consoleDemoInit(); 

    //Keyboard* kb = keyboardDemoInit();
    //kb->OnKeyPressed = keyPressed;

    while(1);

    {
        int status = ASSOCSTATUS_DISCONNECTED;

        consoleClear();

        Wifi_AccessPoint* ap = findAP();

        iprintf("Connecting to %s\n", ap->ssid);

        //this tells the wifi lib to use dhcp for everything
        Wifi_SetIP(0,0,0,0,0);  

        Wifi_ConnectAP(ap, WEPMODE_NONE, 0, 0);

        while(status != ASSOCSTATUS_ASSOCIATED && status != ASSOCSTATUS_CANNOTCONNECT) {
            int oldStatus = status;

            status = Wifi_AssocStatus();

            iprintf("%s", oldStatus != status ? ASSOCSTATUS_STRINGS[status] : ".");

            scanKeys();

            if(keysDown() & KEY_B) break;
            
            swiWaitForVBlank();
        }
        consoleClear();
        consoleSetWindow(NULL, 0,0,32,10);

        char url[256];

        if(status == ASSOCSTATUS_ASSOCIATED) {
            while(1) {
                u32 ip = Wifi_GetIP();

                iprintf("ip: [%i.%i.%i.%i]", (ip ) & 0xFF, (ip >> 8) & 0xFF, (ip >> 16) & 0xFF, (ip >> 24) & 0xFF);

                scanf("%s", url);

                struct hostent *host = gethostbyname(url);

                if(host)
                    iprintf("IP (%s) : %s\n",  url, inet_ntoa(*(struct in_addr *)host->h_addr_list[0]));
                else
                    iprintf("Could not resolve\n");

                scanKeys();

                if(keysDown() & KEY_B) break;

                swiWaitForVBlank();
            }
        }
    }
    return 0;
}