AT - Wifi - ESP8266

Code is also attached as file... ;-)

// /ESP8266/server/MyPICOMon00R2.js

var gIsL = true; // ...is logging
var gIsC = true; // ...terminal is console vs. display
var gLog = function(v) { console.log(v); };

var gTrm = null, T_C = {w:240, h:320, lh:10}; // terminal config

var gCtl = // initialization controller
{ is:[], i:-1 
, adi: function(i) { this.is.push(i); }
, ini: function(ok,str) { if (this.i >= 0) {
    if (gIsL) gLog("is["+this.i+"]"+((str)?str:"")+": "+((ok)?"ok":"failed")); } 
    if (ok) { if (++this.i < this.is.length) { var _t = this; 
      setTimeout(function(){ _t.is[_t.i](function(ok,txt){ _t.ini(ok,txt); }); },1); }  
            } else { /* is[i]() failed */ } }
, run: function() { this.i = -1; this.ini(true); }
};

var gSeq = // sequence controller
{ fs:[], bsy:false, t:null
, ini: function() { this.fs = []; this.bsy = false; }
, ads: function(f,r,t) { this.fs.push([f,r,t]); 
    if (!this.bsy) { this.exe(); } }
, exe: function() { if ((this.bsy = (this.fs.length > 0))) { 
    var s = this.fs.splice(0,1)[0];
    s[0](this.nex.bind(this)); } }
, nex: function(f,r,t) { if (f) { this.fs.splice(0,0,[f,r,t]); }
    setTimeout(this.exe.bind(this),1); }
}; gCtl.adi(function(cb){ gSeq.ini(); cb(true,"Seq"); });

gTrm = // terminal
{ c:T_C 
, cl: 0 
, p: function(l,nl) { var c = this.c;
    if (gIsC) { gLog(l); return; } // terminal is console
    gD.setColor(0,0,0);
    if (this.cl + c.lh > c.h) {
      gD.fillRect(0,this.cl,c.lh,this.cl+c.lh-3);
      this.cl = 0;
    }
    gD.fillRect(0,this.cl,c.w-1,this.cl+c.lh-1);
    gD.setColor(1,1,1); gD.drawString(l,0,this.cl);
    if (nl) { this.cl += c.lh; }
    gD.setColor(0,0,0); gD.fillRect(0,this.cl,c.w-1,this.cl+c.lh-1);
    gD.setColor(1,0,0); gD.fillRect(0,this.cl,c.lh,this.cl+c.lh-3);
  } 
};

/* disabling display for test without display
var gD = null, DSP_C = // display
{ md:require("ILI9341")
, spi:SPI1
, spiC: {sck:A5, miso:A6, mosi:A7, baud:1000000}
, dc:B10, cs:B1, rst:B13
};
 */

var gW = null, WIFI_C = // wifi config
{ md:require("ESP8266WiFi_0v25")
, ser:Serial2, bd:115200, serC:{tx:A2, rx:A3}
, ssid:"myWLAN", lak:"myCredential" 
, ip:"", p:80 
};

var http = null, HTTP_C = // http configs / requests
{ md:require("http") 
, urls:
  [ "http://www.pur3.co.uk/hello.txt"
  , "http://weather.noaa.gov/pub/data/forecasts/marine/coastal/pz/pzz535.txt"
  , "http://192.168.0.103/esp/json.jsn"
  , "http://l92.168.0.103:1337/"
  ]
};

/* disabling display for test without display
gCtl.adi(function(cb){ var c = DSP_C; // display initialization
  c.spi.setup(c.spiC);
  gD = c.md.connect(c.spi, c.dc, c.cs, c.rst, function(){ 
    gD.clear();
    cb(true,"DSP");
  }); }
);
 */

gCtl.adi(function(cb){ var c = WIFI_C; // wifi multi level initialization
  c.ser.setup(c.bd, c.serC);
  gW = c.md.connect(c.ser, function(err){
    if (err) { cb(false,"wifi.reset: " + err); }
    else { cb(true,"wifi.reset"); }
  }); }
);
gCtl.adi(function(cb){ var c = WIFI_C;
  gW.connect(c.ssid, c.lak, function(err){
    if (err) { cb(false,"wifi.connect: " + err); }
    else { cb(true,"wifi.connect"); }
  }); }
);

// get url content and display raw in console
function getc(udx,nex) { var c = HTTP_C;
  if (gIsL) gLog(c.urls[udx] + ":");
  c.md.get(c.urls[udx], function(res){
    res.on('data', function(dta){
      gLog(dta);
      if (nex) nex();
    });
  });
}

// get url content and and show in display
function getd(udx) { var c = HTTP_C;
  gLog("---> " + c.urls[udx] + ":");
  var d = true, l = "", ol, nl;
  c.md.get(c.urls[udx], function(res){
    res.on('data', function(dta){
      l = l + dta;
      var ls = l.split("\n"), lm = ls.length - 1, lx = -1;
      while (++lx < lm) { ol = (l = ls[lx]).length;
        if ((d = d && (l != "$$"))) {
          while (ol > (nl = (l = l.replace(" OR LESS","|<")).length)) ol = nl; 
          while (ol > (nl = (l = l.replace(" TO ","~")).length)) ol = nl; 
          while (ol > (nl = (l = l.replace(" TO","~")).length)) ol = nl; 
          gTrm.p(l,true);
        } }
      l = ls[lm]; ls = null; 
    });
  });
}

// get info - time (from node server), ESP9266 version, IP, and access point
function getInfo() {
  // gSeq.ads(function(nex){ getc(2,nex); });
  gSeq.ads(function(nex){
    gW.getVersion(function(e,v){
      if (e) { gTrm.p("get Version failed: " + e,true); }
      else { gTrm.p("Version: " + v,true); }
      nex();  
  }); });
  gSeq.ads(function(nex){
    gW.getIP(function(e,ip){
      if (e) { gTrm.p("get IP failed: " + e,true); }
      else { gTrm.p("IP: " + ip,true); }
      nex();  
  }); });
  gSeq.ads(function(nex){
    gW.getConnectedAP(function(e,ap){
      if (e) { gTrm.p("get AP failed: " + e,true); }
      else { gTrm.p("AP: " + ap,true); }
      nex();
  }); });
}

// start after upload by invocation in console or
// start after save and re-powering
function onInit() { gCtl.run(); }

1 Attachment

• MyPICOMon00R2.js