1 | //**************************************************************************************************
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2 | // C O N N E C T W I F I *
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3 | //**************************************************************************************************
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4 | // Connect to WiFi using the SSID's available in wifiMulti. *
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5 | // If only one AP if found in preferences (i.e. wifi_00) the connection is made without *
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6 | // using wifiMulti. *
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7 | // If connection fails, an AP is created and the function returns false. *
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8 | //**************************************************************************************************
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9 | bool connectwifi()
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10 | {
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11 | char* pfs ; // Pointer to formatted string
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12 | char* pfs2 ; // Pointer to formatted string
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13 | bool localAP = false ; // True if only local AP is left
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14 |
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15 | WifiInfo_t winfo ; // Entry from wifilist
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16 |
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17 | WiFi.disconnect() ; // After restart the router could
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18 | WiFi.softAPdisconnect(true) ; // still keep the old connection
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19 | if ( wifilist.size() ) // Any AP defined?
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20 | {
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21 | if ( wifilist.size() == 1 ) // Just one AP defined in preferences?
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22 | {
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23 | winfo = wifilist[0] ; // Get this entry
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24 | WiFi.begin ( winfo.ssid, winfo.passphrase ) ; // Connect to single SSID found in wifi_xx
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25 | dbgprint ( "Try WiFi %s", winfo.ssid ) ; // Message to show during WiFi connect
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26 | }
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27 | else // More AP to try
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28 | {
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29 | wifiMulti.run() ; // Connect to best network
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30 | }
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31 | if ( WiFi.waitForConnectResult() != WL_CONNECTED ) // Try to connect
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32 | {
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33 | localAP = true ; // Error, setup own AP
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34 | }
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35 | }
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36 | else
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37 | {
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38 | localAP = true ; // Not even a single AP defined
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39 | }
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40 | if ( localAP ) // Must setup local AP?
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41 | {
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42 | dbgprint ( "WiFi Failed! Trying to setup AP with name %s and password %s.", NAME, NAME ) ;
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43 | WiFi.softAP ( NAME, NAME ) ; // This ESP will be an AP
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44 | pfs = dbgprint ( "IP = 192.168.4.1" ) ; // Address for AP
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45 | }
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46 | else
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47 | {
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48 | ipaddress = WiFi.localIP().toString() ; // Form IP address
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49 | pfs2 = dbgprint ( "Connected to %s", WiFi.SSID().c_str() ) ;
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50 | tftlog ( pfs2 ) ;
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51 | pfs = dbgprint ( "IP = %s", ipaddress.c_str() ) ; // String to dispay on TFT
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52 | }
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53 | tftlog ( pfs ) ; // Show IP
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54 | delay ( 3000 ) ; // Allow user to read this
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55 | return ( localAP == false ) ; // Return result of connection
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56 | }
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