<html> <meta name="viewport" content="width=device-width, initial-scale=1"> <head> <style> html { box-sizing: border-box; } *, *:before, *:after { box-sizing: inherit; } body { text-align: center; background: #003300; font-family: Arial; } #display { display:inline-block; border-radius: 5px; width: auto; margin: auto; padding: 20px; background: #00AA00; margin-bottom: 20px; box-shadow: 2px 2px 1px #99cc99; } #display.low_brightness .led { filter: brightness(0.6); } .led { background-color: #000; border: 1px solid #eee; display: inline-block; width: 20px; height: 20px; border-radius: 3px; margin: 1px; box-shadow: 1px 1px 1px #666; } #controls { } #environment { display: inline-block; vertical-align: middle; } #joystick { margin-left: 10px; vertical-align: middle; display: inline-block; margin-top: 20px; } .envvar { margin: 10px auto; } .envvar>span { display: block; color: silver; margin-bottom: 2px; } .envvar>div { border: 1px solid #999; border-radius: 3px; display:inline-block; font-size: 18px; background: #000; box-shadow: 1px 1px 1px #eee; } a { font-size: 38px; line-height: 40px; display: inline-block; width: 40px; height: 40px; background: silver; text-decoration: none; vertical-align: top; color: #333; } .envvar a { margin: none; } .envvar a:first-of-type { line-height: 35px; } a:active { background: grey; } .envvar .value { vertical-align: top; height: 40px; line-height: 40px; color: silver; display: inline-block; width: 80px; background: #000; box-shadow: inset 1px 1px 2px #ddd; } #joystick a { display: inline-block; width: 43px; height: 43px; border: 1px solid #999; margin: 3px; line-height: 50px; border-radius: 8px; box-shadow: 1px 1px 1px #eee; } #joystick a.up {} #joystick a.right { box-shadow: 1px -1px 1px #eee; transform: rotate(90deg); } #joystick a.down { box-shadow: -1px -1px 1px #eee; transform: rotate(180deg); } #joystick a.left { box-shadow: -1px 1px 1px #eee; transform: rotate(270deg); } #joystick a.enter { } </style> </head> <body> <div id="display"> </div> <div id="controls"> <div id="environment"> <div class="envvar"> <span>Temperature</span> <div> <a href="" onclick="changeTemperature(-0.2); return false;">-</a><div class="value" id="temperature"></div><a href="" onclick="changeTemperature(0.2); return false;">+</a> </div> </div> <div class="envvar"> <span>Humidity</span> <div> <a href="" onclick="changeHumidity(-1); return false;">-</a><div class="value" id="humidity"></div><a href="" onclick="changeHumidity(1); return false;">+</a> </div> </div> <div class="envvar"> <span>Pressure</span> <div> <a href="" onclick="changePressure(-5); return false;">-</a><div class="value" id="pressure"></div><a href="" onclick="changePressure(5); return false;">+</a> </div> </div> </div> <div id="joystick"> <div><a href="" id="j-up" class="up" onclick="return false;">^</a></div> <div><a href="" id="j-left" class="left" onclick="return false;">^</a><a id="j-enter" href="" class="enter" onclick="return false;"></a><a id="j-right" href="" class="right" onclick="return false;">^</a></div> <div><a href="" id="j-down" class="down" onclick="return false;">^</a></div> </div> </div> <script> var fontData = {" ":[0,0,0,0,0,0,0,0],"+":[0,4,4,31,4,4,0,0],"-":[0,0,0,31,0,0,0,0],"*":[0,4,21,14,21,4,0,0],"/":[0,16,8,4,2,1,0,0],"!":[4,0,4,4,4,4,4,0],"\"":[0,0,0,0,10,10,10,0],"#":[10,10,31,10,31,10,10,0],"$":[4,30,5,14,20,15,4,0],">":[8,4,2,1,2,4,8,0],"<":[2,4,8,16,8,4,2,0],"0":[14,17,25,21,19,17,14,0],"1":[14,4,4,4,4,12,4,0],"2":[31,8,4,2,1,17,14,0],"3":[14,17,1,2,4,2,31,0],"4":[2,2,31,18,10,6,2,0],"5":[14,17,1,1,30,16,31,0],"6":[14,17,17,30,16,8,6,0],"7":[4,4,4,4,2,1,31,0],"8":[14,17,17,14,17,17,14,0],"9":[12,2,1,15,17,17,14,0],".":[12,12,0,0,0,0,0,0],"=":[0,0,31,0,31,0,0,0],")":[8,4,2,2,2,4,8,0],"(":[2,4,8,8,8,4,2,0],"A":[17,17,17,31,17,17,14,0],"B":[30,17,17,30,17,17,30,0],"C":[14,17,16,16,16,17,14,0],"D":[28,18,17,17,17,18,28,0],"E":[31,16,16,30,16,16,31,0],"F":[16,16,16,30,16,16,31,0],"G":[15,17,17,23,16,17,14,0],"H":[17,17,17,31,17,17,17,0],"I":[14,4,4,4,4,4,14,0],"J":[12,18,2,2,2,2,7,0],"K":[17,18,20,24,20,18,17,0],"L":[31,16,16,16,16,16,16,0],"M":[17,17,17,21,21,27,17,0],"N":[17,17,19,21,25,17,17,0],"O":[14,17,17,17,17,17,14,0],"P":[16,16,16,30,17,17,30,0],"Q":[13,18,21,17,17,17,14,0],"R":[17,18,20,30,17,17,30,0],"S":[30,1,1,14,16,16,15,0],"T":[4,4,4,4,4,4,31,0],"U":[14,17,17,17,17,17,17,0],"V":[4,10,17,17,17,17,17,0],"W":[17,27,21,21,17,17,17,0],"X":[17,17,10,4,10,17,17,0],"Y":[4,4,4,4,10,17,17,0],"Z":[31,16,8,4,2,1,31,0],"a":[15,17,15,1,14,0,0,0],"b":[14,17,17,25,22,16,16,0],"c":[14,17,16,16,14,0,0,0],"d":[15,17,17,19,13,1,1,0],"e":[14,16,31,17,14,0,0,0],"f":[4,4,4,14,4,5,2,0],"g":[14,1,15,17,15,0,0,0],"h":[17,17,17,25,22,16,16,0],"i":[14,4,4,4,12,0,4,0],"j":[12,18,2,2,2,0,2,0],"k":[9,10,12,10,9,8,8,0],"l":[14,4,4,4,4,4,12,0],"m":[21,21,21,21,26,0,0,0],"n":[17,17,17,25,22,0,0,0],"o":[14,17,17,17,14,0,0,0],"p":[16,16,30,17,30,0,0,0],"q":[1,1,15,17,15,0,0,0],"r":[8,8,8,12,11,0,0,0],"s":[30,1,14,16,15,0,0,0],"t":[2,5,4,4,14,4,0,0],"u":[13,19,17,17,17,0,0,0],"v":[4,10,17,17,17,0,0,0],"w":[10,21,21,17,17,0,0,0],"x":[19,12,4,6,25,0,0,0],"y":[24,4,6,9,17,0,0,0],"z":[31,8,4,2,31,0,0,0],"?":[4,0,4,2,1,17,14,0],",":[8,4,12,0,0,0,0,0],";":[8,4,12,0,12,12,0,0],":":[0,12,12,0,12,12,0,0],"|":[4,4,4,4,4,4,4,0],"@":[14,21,21,13,1,17,14,0],"%":[3,19,8,4,2,25,24,0],"[":[14,8,8,8,8,8,14,0],"&":[13,18,21,8,20,18,12,0],"_":[31,0,0,0,0,0,0,0],"'":[0,0,0,0,8,4,12,0],"]":[14,2,2,2,2,2,14,0],"\\":[0,1,2,4,8,16,0,0],"~":[0,0,0,22,13,0,0,0]}; var temperature = 29; var humidity = 80; var pressure = 1000; var rotation = 0; var flipH = false; var flipV = false; function updateTemperature(d) { temperature = Number(d.toFixed(1)); document.getElementById('temperature').innerHTML = temperature.toFixed(1)+"°C"; } function changeTemperature(d) { updateTemperature(temperature+d); publishEnvironment(); } function updateHumidity(d) { humidity = d; document.getElementById('humidity').innerHTML = humidity+"%"; } function changeHumidity(d) { updateHumidity(humidity+d); publishEnvironment(); } function updatePressure(d) { pressure = d; document.getElementById('pressure').innerHTML = pressure+"mb"; } function changePressure(d) { updatePressure(pressure+d); publishEnvironment(); } function publishEnvironment() { if (ws && ws.readyState === ws.OPEN) { ws.send("Y"+temperature+","+humidity+","+pressure); } } var k = document.getElementById("j-up"); k.onmousedown = function() { keyDown('U'); } k.onmouseup = function() { keyUp('U'); } k = document.getElementById("j-down"); k.onmousedown = function() { keyDown('D'); } k.onmouseup = function() { keyUp('D'); } k = document.getElementById("j-left"); k.onmousedown = function() { keyDown('L'); } k.onmouseup = function() { keyUp('L'); } k = document.getElementById("j-right"); k.onmousedown = function() { keyDown('R'); } k.onmouseup = function() { keyUp('R'); } k = document.getElementById("j-enter"); k.onmousedown = function() { keyDown('E'); } k.onmouseup = function() { keyUp('E'); } var keyTimer = null; function keyDown(evt) { // K[U|L|R|D|E][0|1|2] - joystick event: direction,state ws.send("K"+evt+"1"); keyTimer = setInterval(function() { ws.send("K"+evt+"2"); },200); } function keyUp(evt) { // K[U|L|R|D|E][0|1|2] - joystick event: direction,state clearInterval(keyTimer); ws.send("K"+evt+"0"); } var display = document.getElementById("display"); var cells = []; for (var y=0;y<8;y++) { cells.push([]); var r = document.createElement("div"); r.className = "row"; display.appendChild(r); for (var x=0;x<8;x++) { var d = document.createElement("div"); d.className = "led"; d.id = "led_"+x+"_"+y; r.appendChild(d); cells[y].push(d); } } var ws; function connect() { var location = document.location.toString().replace(/^http/,"ws")+"/ws"; ws = new WebSocket(location); ws.onopen = function() { console.log("Connected to Node-RED") } ws.onclose = function() { console.log("Lost connection, reconnecting in 5 seconds") setTimeout(connect,5000); } ws.onmessage = function(msg) { var command = msg.data[0]; var data = msg.data.substring(1); var parts; var x,y,t; if (command === 'Y') { parts = data.split(","); updateTemperature(Number(parts[0])); updateHumidity(Number(parts[1])); updatePressure(Number(parts[2])); } else if (command === 'D') { if (data === '0') { document.getElementById("display").classList.add("low_brightness"); } else if (data === '1') { document.getElementById("display").classList.remove("low_brightness"); } } else { clearTimeout(scrollMessageTimeout); if (command === 'P') { parts = data.split(","); for (var i=0;i<parts.length;i+=5) { x = parts[i]; y = parts[i+1]; if (flipH) { x = 7-x; } if (flipV) { y = 7-y; } if (rotation === 180) { x = 7-x; y = 7-y; } else if (rotation === 90) { if (y<4 && x<4) { t = y; y = x; x = 7-t; } else if (y<4 && x>3) { t=x; x = 7-y; y = t; } else if (y>3 && x>3) { t=x; x = 7-y; y = t; } else if (y>3 && x<4) { t=y; y = x; x = 7-t; } } else if (rotation === 270) { if (y<4 && x<4) { t = x; x = y; y = 7-t; } else if (y<4 && x>3) { t=y; y = 7-x; x = t; } else if (y>3 && x>3) { t=y; y = 7-x; x = t; } else if (y>3 && x<4) { t=x; x = y; y = 7-t; } } cells[y][x].style.backgroundColor = "rgb("+parts[i+2]+","+parts[i+3]+","+parts[i+4]+")" } } else if (command === 'R') { var delta = Number(data) - rotation; if (delta < 0) { delta += 360; } if (delta === 90) { for (y=0;y<4;y++) { for (x=0;x<4;x++) { t = cells[y][x].style.backgroundColor; cells[y][x].style.backgroundColor = cells[7-y][x].style.backgroundColor; cells[7-y][x].style.backgroundColor = cells[7-x][7-y].style.backgroundColor; cells[7-x][7-y].style.backgroundColor = cells[y][7-x].style.backgroundColor; cells[y][7-x].style.backgroundColor = t; } } } else if (delta === 270) { for (y=0;y<4;y++) { for (x=0;x<4;x++) { t = cells[y][x].style.backgroundColor; cells[y][x].style.backgroundColor = cells[y][7-x].style.backgroundColor; cells[y][7-x].style.backgroundColor = cells[7-x][7-y].style.backgroundColor; cells[7-x][7-y].style.backgroundColor = cells[7-y][x].style.backgroundColor; cells[7-y][x].style.backgroundColor = t; } } } else if (delta === 180) { for (y=0;y<4;y++) { for (x=0;x<4;x++) { t = cells[y][x].style.backgroundColor; cells[y][x].style.backgroundColor = cells[7-y][7-x].style.backgroundColor; cells[7-y][7-x].style.backgroundColor = t; t = cells[7-y][x].style.backgroundColor; cells[7-y][x].style.backgroundColor = cells[y][7-x].style.backgroundColor; cells[y][7-x].style.backgroundColor = t; } } } rotation = Number(data); //data = 0,90,180,270 } else if (command === 'F') { if (data === 'H') { flipH = !flipH; for (y=0;y<8;y++) { for (x=0;x<4;x++) { t = cells[y][x].style.backgroundColor; cells[y][x].style.backgroundColor = cells[y][7-x].style.backgroundColor; cells[y][7-x].style.backgroundColor = t; } } } else { flipV = !flipV; for (x=0;x<8;x++) { for (y=0;y<4;y++) { t = cells[y][x].style.backgroundColor; cells[y][x].style.backgroundColor = cells[7-y][x].style.backgroundColor; cells[7-y][x].style.backgroundColor = t; } } } } else if (command === 'T'){ var splitAt = data.indexOf(":"); var colors = data.substring(0,splitAt); var message = data.substring(splitAt+1); var colorParts = colors.split(","); var foreground = "rgb("+colorParts[0]+","+colorParts[1]+","+colorParts[2]+")"; var background = "rgb("+colorParts[3]+","+colorParts[4]+","+colorParts[5]+")"; if (message.length === 1) { drawCharAt(message[0],0,foreground,background) } else { currentMessage = { foreground: foreground, background: background, text: " "+message +" ", speed: colors.length === 7?colors[6]:0.1, pos: 0, subpos: 0 } stepMessage(); } } } } } function drawCharAt(char,cx,foreground,background) { var charData = fontData[char]||fontData["?"]; for (var y=0;y<8;y++) { var line = charData[y].toString(2); while(line.length < 5) { line = "0"+line; } for (var j=0;j<6;j++) { var x = cx + j; if (x >= 0 && x < 8) { if (j === 5) { cells[7-y][x].style.backgroundColor = background; } else { if (line[j] === "1") { cells[7-y][x].style.backgroundColor = foreground; } else { cells[7-y][x].style.backgroundColor = background; } } } } } } var currentMessage; var scrollMessageTimeout; function stepMessage() { var x = 0; var subpos = currentMessage.subpos; var colCount = 0; for (var i=currentMessage.pos;i<Math.min(currentMessage.pos+3,currentMessage.text.length);i++) { var char = currentMessage.text[i]; drawCharAt(char,x-subpos,currentMessage.foreground,currentMessage.background) x += 5-subpos; subpos = 0; } currentMessage.subpos++; if (currentMessage.subpos === 5) { currentMessage.subpos = 0; currentMessage.pos++; } if (currentMessage.pos < currentMessage.text.length) { scrollMessageTimeout = setTimeout(stepMessage,currentMessage.speed*1000); } } connect(); </script> </body> </html>