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server.js
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"use strict";
/*
AUTHOR: Peter van der Walt openhardwarecoza.github.io/donate
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
var config = require('./config');
var serialport = require("serialport");
var SerialPort = serialport;
var app = require('http').createServer(handler);
var io = require('socket.io').listen(app);
var fs = require('fs');
var logFile;
var nstatic = require('node-static');
var EventEmitter = require('events').EventEmitter;
var url = require('url');
var qs = require('querystring');
var util = require('util');
var http = require('http');
var chalk = require('chalk');
var request = require('request'); // proxy for remote webcams
var isConnected, connectedTo, port, lastSent = '';
var paused = false;
var blocked = false;
var statusLoop, queueCounter, connections = [];
var gcodeQueue = [];
var firmware, fVersion, fDate;
var feedOverride = 100;
var spindleOverride = 100;
var laserTestOn = false;
var GRBL_RX_BUFFER_SIZE = 128; // 128 characters
var grblBufferSize = [];
var SMOOTHIE_RX_BUFFER_SIZE = 64; // max. length of one command line
var smoothie_buffer = true;
var TINYG_RX_BUFFER_SIZE = 4; // max. lines of gcode to send before wait for ok
var tinygBufferSize = TINYG_RX_BUFFER_SIZE; // init space left
var jsObject;
require('dns').lookup(require('os').hostname(), function (err, add, fam) {
writeLog(chalk.green(' '));
writeLog(chalk.green('***************************************************************'));
writeLog(chalk.white(' ---- LaserWeb Started ---- '));
writeLog(chalk.green('***************************************************************'));
writeLog(chalk.white(' Access the LaserWeb User Interface: '));
writeLog(chalk.green(' 1. Open Chrome '));
writeLog(chalk.green(' 2. Go to : ') + chalk.yellow(' http://' + add + ':' + config.webPort + '/'));
writeLog(chalk.green('***************************************************************'));
writeLog(chalk.green(' '));
writeLog(chalk.green(' '));
writeLog(chalk.red('* Updates: '));
writeLog(chalk.green(' Remember to check the commit log on'));
writeLog(chalk.yellow(' https://github.com/LaserWeb/LaserWeb3/commits/master'));
writeLog(chalk.green(' regularly, to know about updates and fixes, and then when ready'));
writeLog(chalk.green(' update LaserWeb3 accordingly by running') + chalk.cyan('git pull'));
writeLog(chalk.green(' '));
writeLog(chalk.red('* Support: '));
writeLog(chalk.green(' If you need help / support, come over to '));
writeLog(chalk.green(' ') + chalk.yellow('https://plus.google.com/communities/115879488566665599508'));
writeLog(chalk.green('***************************************************************'));
writeLog(chalk.green(' '));
});
// Webserver
app.listen(config.webPort);
var fileServer = new nstatic.Server('./public');
function handler(req, res) {
var queryData = url.parse(req.url, true).query;
if (queryData.url) {
if (queryData.url !== '') {
request({
url: queryData.url, // proxy for remote webcams
callback: (err, res, body) => {
if (err) {
// writeLog(err)
console.error(chalk.red('ERROR:'), chalk.yellow(' Remote Webcam Proxy error: '), chalk.white("\"" + queryData.url + "\""), chalk.yellow(' is not a valid URL: '));
}
}
}).on('error', function (e) {
res.end(e);
}).pipe(res);
}
} else {
fileServer.serve(req, res, function (err, result) {
if (err) {
console.error(chalk.red('ERROR:'), chalk.yellow(' fileServer error:' + req.url + ' : '), err.message);
}
});
}
}
// Websocket <-> Serial
io.sockets.on('connection', handleConnection);
function handleConnection(socket) { // When we open a WS connection, send the list of ports
connections.push(socket);
serialport.list(function (err, ports) {
socket.emit('ports', ports);
});
socket.on('firstLoad', function (data) {
socket.emit('config', config);
if (isConnected) {
socket.emit('activePorts', port.path + ',' + port.options.baudRate);
socket.emit('connectStatus', 'opened:' + port.path);
}
});
socket.on('stop', function (data) {
if (isConnected) {
paused = true;
console.log(chalk.red('STOP'));
switch (firmware) {
case 'grbl':
port.write('!'); // hold
if (fVersion === '1.1d') {
port.write(String.fromCharCode(0x9E)); // Stop Spindle/Laser
}
gcodeQueue.length = 0; // dump the queye
grblBufferSize.length = 0; // dump bufferSizes
blocked = false;
paused = false;
port.write(String.fromCharCode(0x18)); // ctrl-x
break;
case 'smoothie':
//port.write('!'); // hold
paused = true;
port.write(String.fromCharCode(0x18)); // ctrl-x
gcodeQueue.length = 0; // dump the queye
grblBufferSize.length = 0; // dump bufferSizes
blocked = false;
paused = false;
break;
case 'tinyg':
port.write('!'); // hold
port.write('%'); // dump TinyG queue
gcodeQueue.length = 0; // dump LW queue
grblBufferSize.length = 0; // dump bufferSizes
tinygBufferSize = TINYG_RX_BUFFER_SIZE;
blocked = false;
paused = false;
break;
}
laserTestOn = false;
io.sockets.emit('connectStatus', 'stopped:' + port.path);
} else {
io.sockets.emit('connectStatus', 'closed');
}
});
socket.on('pause', function (data) {
if (isConnected) {
paused = true;
writeLog(chalk.red('PAUSE'));
switch (firmware) {
case 'grbl':
port.write('!'); // Send hold command
if (fVersion === '1.1d') {
port.write(String.fromCharCode(0x9E)); // Stop Spindle/Laser
}
break;
case 'smoothie':
port.write('M600\n'); // Laser will be turned off by smoothie (in default config!)
break;
case 'tinyg':
port.write('!'); // Send hold command
break;
}
io.sockets.emit('connectStatus', 'paused:' + port.path);
} else {
io.sockets.emit('connectStatus', 'closed');
}
});
socket.on('unpause', function (data) {
if (isConnected) {
writeLog(chalk.red('UNPAUSE'));
io.sockets.emit('connectStatus', 'unpaused:' + port.path);
switch (firmware) {
case 'grbl':
port.write('~'); // Send resume command
break;
case 'smoothie':
port.write('M601\n');
break;
case 'tinyg':
port.write('~'); // Send resume command
break;
}
paused = false;
send1Q(); // restart queue
} else {
io.sockets.emit('connectStatus', 'closed');
}
});
socket.on('serialSend', function (data) {
if (isConnected) {
data = data.split('\n');
for (var i = 0; i < data.length; i++) {
var line = data[i].split(';'); // Remove everything after ; = comment
var tosend = line[0];
if (tosend.length > 0) {
addQ(tosend);
}
}
send1Q();
} else {
io.sockets.emit('connectStatus', 'closed');
writeLog(chalk.yellow('WARN:') + chalk.blue('Port closed!'));
}
});
socket.on('feedOverride', function (data) {
if (isConnected) {
switch (firmware) {
case 'grbl':
var code;
switch (data) {
case 0:
code = 144; // set to 100%
data = '100';
break;
case 10:
code = 145; // +10%
data = '+' + data;
break;
case -10:
code = 146; // -10%
break;
case 1:
code = 147; // +1%
data = '+' + data;
break;
case -1:
code = 148; // -1%
break;
}
if (code) {
//jumpQ(String.fromCharCode(parseInt(code)));
port.write(String.fromCharCode(parseInt(code)));
writeLog(chalk.red('Override feed: ' + data + '%'));
}
break;
case 'smoothie':
if (data === 0) {
feedOverride = 100;
} else {
if ((feedOverride + data <= 200) && (feedOverride + data >= 10)) {
// valid range is 10..200, else ignore!
feedOverride += data;
}
}
jumpQ('M220S' + feedOverride);
io.sockets.emit('feedOverride', feedOverride);
writeLog('Feed Override ' + feedOverride.toString() + '%');
send1Q();
break;
case 'tinyg':
break;
}
} else {
io.sockets.emit('connectStatus', 'closed');
}
});
socket.on('spindleOverride', function (data) {
if (isConnected) {
switch (firmware) {
case 'grbl':
var code;
switch (data) {
case 0:
code = 153; // set to 100%
data = '100';
break;
case 10:
code = 154; // +10%
data = '+' + data;
break;
case -10:
code = 155; // -10%
break;
case 1:
code = 156; // +1%
data = '+' + data;
break;
case -1:
code = 157; // -1%
break;
}
if (code) {
//jumpQ(String.fromCharCode(parseInt(code)));
port.write(String.fromCharCode(parseInt(code)));
writeLog(chalk.red('Override spindle: ' + data + '%'));
}
break;
case 'smoothie':
if (data === 0) {
spindleOverride = 100;
} else {
if ((spindleOverride + data <= 200) && (spindleOverride + data >= 0)) {
// valid range is 0..200, else ignore!
spindleOverride += data;
}
}
jumpQ('M221S' + spindleOverride);
io.sockets.emit('spindleOverride', spindleOverride);
writeLog('Spindle (Laser) Override ' + spindleOverride.toString() + '%');
send1Q();
break;
case 'tinyg':
break;
}
} else {
io.sockets.emit('connectStatus', 'closed');
}
});
socket.on('laserTest', function (data) { // Laser Test Fire
if (isConnected) {
data = data.split(',');
var power = parseFloat(data[0]);
var duration = parseInt(data[1]);
writeLog('laserTest: ' + 'Power ' + power + ', Duration ' + duration);
if (power > 0) {
if (!laserTestOn) {
if (duration >= 0) {
switch (firmware) {
case 'grbl':
addQ('G1F1');
addQ('M3S' + power);
laserTestOn = true;
if (duration > 0) {
addQ('G4 P' + duration / 1000);
addQ('M5S0');
laserTestOn = false;
}
send1Q();
break;
case 'smoothie':
addQ('M3\n');
addQ('fire ' + power + '\n');
laserTestOn = true;
if (duration > 0) {
var divider = 1;
if (fDate >= new Date('2017-01-02')) {
divider = 1000;
}
addQ('G4P' + duration / divider + '\n');
addQ('fire off\n');
addQ('M5');
laserTestOn = false;
}
send1Q();
break;
case 'tinyg':
addQ('M3S' + power);
laserTestOn = true;
if (duration > 0) {
addQ('G4 P' + duration / 1000);
addQ('M5S0');
laserTestOn = false;
}
send1Q();
break;
}
} else {
// laserTestDuration has invalid value
}
} else {
switch (firmware) {
case 'grbl':
addQ('M5S0');
send1Q();
break;
case 'smoothie':
addQ('fire off\n');
addQ('M5');
send1Q();
break;
case 'tinyg':
addQ('M5S0');
send1Q();
break;
}
laserTestOn = false;
}
}
} else {
io.sockets.emit('connectStatus', 'closed');
}
});
socket.on('jog', function (data) {
if (isConnected) {
data = data.split(',');
var dir = data[0];
var dist = parseFloat(data[1]);
var feed;
if (data.length > 2) {
feed = parseInt(data[2]);
if (feed) {
feed = 'F' + feed;
}
}
writeLog('JOG: ' + dir + dist + ' ' + feed);
switch (firmware) {
case 'grbl':
addQ('$J=G91' + dir + dist + feed + '\n');
break;
case 'smoothie':
addQ('G91\nG0' + feed + dir + dist + '\nG90\n');
break;
case 'tinyg':
addQ('G91\nG0F'+ feed + dir + dist + '\nG90\n');
break;
}
send1Q();
} else {
io.sockets.emit("connectStatus", 'closed');
io.sockets.emit('connectStatus', 'Connect');
writeLog(chalk.red('ERROR: ') + chalk.blue('Machine connection not open!'), 1);
}
});
socket.on('clearAlarm', function (data) { // Laser Test Fire
if (isConnected) {
writeLog('Clearing Queue: Method ' + data);
switch (data) {
case '1':
writeLog('Clearing Lockout');
switch (firmware) {
case 'grbl':
port.write('$X\n');
break;
case 'smoothie':
port.write('$X\n');
break;
case 'tinyg':
port.write('$X/n'); // resume
break;
}
writeLog('Resuming Queue Lockout');
break;
case '2':
writeLog('Emptying Queue');
gcodeQueue.length = 0; // dump the queye
grblBufferSize.length = 0; // dump bufferSizes
writeLog('Clearing Lockout');
switch (firmware) {
case 'grbl':
port.write('$X\n');
break;
case 'smoothie':
port.write('$X\n'); //M999
break;
case 'tinyg':
port.write('%'); // flush tinyg quere
tinygBufferSize = TINYG_RX_BUFFER_SIZE;
port.write('~'); // resume
break;
}
break;
}
} else {
io.sockets.emit('connectStatus', 'closed');
}
});
socket.on('getFirmware', function (data) { // Deliver Firmware to Web-Client
socket.emit('firmware', firmware + ',' + fVersion + ',' + fDate);
});
socket.on('refreshPorts', function (data) { // Refresh serial port list
writeLog(chalk.yellow('WARN:') + chalk.blue('Requesting Ports Refresh '));
serialport.list(function (err, ports) {
socket.emit('ports', ports);
});
});
socket.on('closePort', function (data) { // Close serial port and dump queue
if (isConnected) {
writeLog(chalk.yellow('WARN:') + chalk.blue('Closing Port ' + port.path));
io.sockets.emit('connectStatus', 'closing:' + port.path);
//port.write(String.fromCharCode(0x18)); // ctrl-x
gcodeQueue.length = 0; // dump the queye
grblBufferSize.length = 0; // dump bufferSizes
tinygBufferSize = TINYG_RX_BUFFER_SIZE; // reset tinygBufferSize
clearInterval(queueCounter);
clearInterval(statusLoop);
port.close();
isConnected = false;
connectedTo = false;
paused = false;
blocked = false;
io.sockets.emit('connectStatus', 'closed');
} else {
io.sockets.emit('connectStatus', 'closed');
}
});
socket.on('areWeLive', function (data) { // Report active serial port to web-client
if (isConnected) {
socket.emit('activePorts', port.path + ',' + port.options.baudRate);
}
});
socket.on('connectTo', function (data) { // If a user picks a port to connect to, open a Node SerialPort Instance to it
data = data.split(',');
writeLog(chalk.yellow('WARN:') + chalk.blue('Connecting to Port ' + data));
if (!isConnected) {
port = new SerialPort(data[0], {
parser: serialport.parsers.readline("\n"),
baudrate: parseInt(data[1])
});
io.sockets.emit('connectStatus', 'opening:' + port.path);
port.on('open', function () {
io.sockets.emit('activePorts', port.path + ',' + port.options.baudRate);
io.sockets.emit('connectStatus', 'opened:' + port.path);
port.write(String.fromCharCode(0x18)); // ctrl-x (needed for grbl-lpc)
setTimeout(function() { //wait for controller to be ready
if (!firmware) { // Grbl should be allready retected
port.write('version\n'); // Check if it's Smoothieware?
setTimeout(function() { // Wait for Smoothie to answer
if (!firmware) { // If still not set
port.write('$fb\n'); // Check if it's TinyG
}
}, 500);
}
}, 500);
// port.write("M115\n"); // Lets check if its Marlin?
writeLog(chalk.yellow('WARN:') + chalk.blue('Connected to ' + port.path + ' at ' + port.options.baudRate));
isConnected = true;
connectedTo = port.path;
// Start interval for qCount messages to socket clients
queueCounter = setInterval(function () {
io.sockets.emit('qCount', gcodeQueue.length);
}, 500);
});
port.on('close', function () { // open errors will be emitted as an error event
clearInterval(queueCounter);
clearInterval(statusLoop);
io.sockets.emit('connectStatus', 'closed:');
io.sockets.emit('connectStatus', 'Connect');
isConnected = false;
connectedTo = false;
firmware = false;
writeLog(chalk.yellow('WARN:') + chalk.blue('Port closed'));
});
port.on('error', function (err) { // open errors will be emitted as an error event
writeLog(chalk.yellow('ERROR:') + err.message);
io.sockets.emit('data', data);
});
port.on('data', function (data) {
writeLog('Recv: ' + data);
if (data.indexOf('{') === 0) { // TinyG response
jsObject = JSON.parse(data);
if (jsObject.hasOwnProperty('r')) {
var footer = jsObject.f || (jsObject.r && jsObject.r.f);
if (footer !== undefined) {
if (footer[1] == 108) {
writeLog(
'Response' +
util.format("TinyG reported an syntax error reading '%s': %d (based on %d bytes read)", JSON.stringify(jsObject.r), footer[1], footer[2]) +
jsObject
);
} else if (footer[1] == 20) {
writeLog(
'Response' +
util.format("TinyG reported an internal error reading '%s': %d (based on %d bytes read)", JSON.stringify(jsObject.r), footer[1], footer[2]) +
jsObject
);
} else if (footer[1] == 202) {
writeLog(
'Response' +
util.format("TinyG reported an TOO SHORT MOVE on line %d", jsObject.r.n) +
jsObject
);
} else if (footer[1] == 204) {
writeLog(
'InAlarm' +
util.format("TinyG reported COMMAND REJECTED BY ALARM '%s'", part) +
jsObject
);
} else if (footer[1] != 0) {
writeLog(
'Response' +
util.format("TinyG reported an error reading '%s': %d (based on %d bytes read)", JSON.stringify(jsObject.r), footer[1], footer[2]) +
jsObject
);
}
}
writeLog('response' + jsObject.r + footer);
jsObject = jsObject.r;
tinygBufferSize++;
blocked = false;
send1Q();
}
if (jsObject.hasOwnProperty('er')) {
writeLog('errorReport' + jsObject.er);
} else if (jsObject.hasOwnProperty('sr')) {
writeLog('statusChanged' + jsObject.sr);
} else if (jsObject.hasOwnProperty('gc')) {
writeLog('gcodeReceived' + jsObject.gc);
}
if (jsObject.hasOwnProperty('rx')) {
writeLog('rxReceived' + jsObject.rx);
}
if (jsObject.hasOwnProperty('fb')) { // Check if it's TinyG
firmware = 'tinyg';
fVersion = jsObject.fb;
io.sockets.emit('firmware', firmware + ',' + fVersion);
writeLog('TinyG detected (' + fVersion + ')');
// Start intervall for status queries
statusLoop = setInterval(function () {
if (isConnected) {
port.write('{"sr":null}');
}
}, 250);
}
}
if (data.indexOf('Grbl') === 0) { // Check if it's Grbl
firmware = 'grbl';
fVersion = data.substr(5, 4); // get version
io.sockets.emit('firmware', firmware + ',' + fVersion);
writeLog('GRBL detected (' + fVersion + ')');
// Start intervall for status queries
statusLoop = setInterval(function () {
if (isConnected) {
port.write('?');
}
}, 250);
}
if (data.indexOf('LPC176') >= 0) { // LPC1768 or LPC1769 should be Smoothie
// Build version: edge-6ce309b, Build date: Jan 2 2017 23:50:57, MCU: LPC1768, System Clock: 100MHz
firmware = 'smoothie';
var startPos = data.search(/version:/i) + 9;
fVersion = data.substr(startPos).split(/,/, 1);
startPos = data.search(/Build date:/i) + 12;
fDate = new Date(data.substr(startPos).split(/,/, 1));
var dateString = fDate.toDateString();
io.sockets.emit('firmware', firmware + ',' + fVersion + ',' + dateString);
writeLog('Smoothieware detected (' + fVersion + ', ' + dateString + ')');
// Start intervall for status queries
statusLoop = setInterval(function () {
if (isConnected) {
port.write('?');
}
}, 250);
}
if (data.indexOf('ok') === 0) { // Got an OK so we are clear to send
blocked = false;
if (firmware === 'grbl') {
var space = grblBufferSize.shift();
//var buffers = '', sum = GRBL_RX_BUFFER_SIZE;
//for (var i = 0; i < grblBufferSize.length; i++) {
// sum -= parseInt(grblBufferSize[i]);
//buffers += grblBufferSize[i] + '+';
//}
//writeLog('Buffers: ' + buffers.substr(0, buffers.length-1) + ' Rest: ' + sum);
//writeLog('Buffers released: ' + space + ' Rest: ' + sum);
}
send1Q();
}
if (data.indexOf('error') === 0) {
if (firmware === 'grbl') {
grblBufferSize.shift();
}
}
// if (data.indexOf('<') === 0) { // Got status report
// if (data.indexOf('Bf')) { // Got Grbl buffer info (ex: Bf:15,128)
// var startBf = data.search(/Bf:/i) + 3;
// if (startBf > 3) {
// var bf = data.replace('>', '').substr(startBf).split(/,|\|/, 3);
// if (Array.isArray(bf)) {
// writeLog('Buffers (Grbl: ' + bf[1] + ', Server: ' + grblBufferSpace() + ')');
// }
// }
// }
// }
io.sockets.emit('data', data);
});
} else {
io.sockets.emit('connectStatus', 'opened:' + port.path);
}
});
}
// End Websocket <-> Serial
// Queue
function addQ(gcode) {
gcodeQueue.push(gcode);
}
function jumpQ(gcode) {
gcodeQueue.unshift(gcode);
}
function grblBufferSpace() {
var total = 0;
for (var i = 0; i < grblBufferSize.length; i++) {
total += grblBufferSize[i];
}
return GRBL_RX_BUFFER_SIZE - total;
}
function send1Q() {
var gcode;
var gcodeLen = 0;
var spaceLeft = 0;
if (isConnected) {
switch (firmware) {
case 'grbl':
while (gcodeQueue.length > 0 && !blocked && !paused) {
// Optimise gcode by stripping spaces - saves a few bytes of serial bandwidth, and formatting commands vs gcode to upper and lowercase as needed
gcode = gcodeQueue.shift().replace(/\s+/g, '');
spaceLeft = grblBufferSpace();
gcodeLen = gcode.length;
//writeLog('BufferSpace: ' + spaceLeft + ' gcodeLen: ' + gcodeLen);
if ((gcodeLen + 1) <= spaceLeft) {
grblBufferSize.push(gcodeLen + 1);
port.write(gcode + '\n');
lastSent = gcode;
writeLog('Sent: ' + gcode + ' Q: ' + gcodeQueue.length + ' Bspace: ' + (spaceLeft - gcodeLen - 1));
} else {
gcodeQueue.unshift(gcode);
blocked = true;
}
}
break;
case 'smoothie':
if (smoothie_buffer) {
var gcodeLine = '';
var lastMode = '';
spaceLeft = SMOOTHIE_RX_BUFFER_SIZE - gcodeLine.length;
while (gcodeQueue.length > 0 && spaceLeft > 0 && !blocked && !paused) {
gcode = gcodeQueue.shift();
if (gcode.indexOf('fire ') === -1 && gcode.indexOf('G4') === -1) {
gcode = gcode.replace(/\s+/g, '');
}
if (gcode.length < spaceLeft) {
// Add gcode to send buffer
gcodeLine += gcode;
spaceLeft = SMOOTHIE_RX_BUFFER_SIZE - gcodeLine.length;
} else {
// Not enough space left in send buffer
// -> push gcode back to queue and leave while loop
gcodeQueue.unshift(gcode);
blocked = true;
}
}
if (gcodeLine.length > 0) {
// Send the buffer
blocked = true;
port.write(gcodeLine + '\n');
lastSent = gcodeLine;
writeLog('Sent: ' + gcodeLine + ' Q: ' + gcodeQueue.length);
gcodeLine = '';
lastMode = '';
}
} else {
if (gcodeQueue.length > 0 && !blocked && !paused) {
gcode = gcodeQueue.shift();
if (gcode.indexOf('fire ') === -1) {
gcode = gcode.replace(/\s+/g, '');
}
blocked = true;
port.write(gcode + '\n');
lastSent = gcode;
writeLog('Sent: ' + gcode + ' Q: ' + gcodeQueue.length);
}
}
break;
case 'tinyg':
while (tinygBufferSize > 0 && gcodeQueue.length > 0 && !blocked && !paused) {
gcode = gcodeQueue.shift();
// Optimise gcode by stripping spaces - saves a few bytes of serial bandwidth, and formatting commands vs gcode to upper and lowercase as needed
gcode = gcode.replace(/\s+/g, '');
writeLog('Sent: ' + gcode + ' Q: ' + gcodeQueue.length);
lastSent = gcode;
port.write(gcode + '\n');
tinygBufferSize--;
}
break;
}
}
}
function writeLog(line) {
console.log(line);
if (config.logFile) {
if (!logFile) {
logFile = fs.createWriteStream('logfile.txt');
}
var time = new Date().toISOString().replace(/T/, ' ').replace(/\..+/, '');
line = line.split(String.fromCharCode(0x1B) + '[31m').join('');
line = line.split(String.fromCharCode(0x1B) + '[32m').join('');
line = line.split(String.fromCharCode(0x1B) + '[33m').join('');
line = line.split(String.fromCharCode(0x1B) + '[34m').join('');
line = line.split(String.fromCharCode(0x1B) + '[35m').join('');
line = line.split(String.fromCharCode(0x1B) + '[36m').join('');
line = line.split(String.fromCharCode(0x1B) + '[37m').join('');
line = line.split(String.fromCharCode(0x1B) + '[38m').join('');
line = line.split(String.fromCharCode(0x1B) + '[39m').join('');
line = line.split(String.fromCharCode(0x1B) + '[94m').join('');
logFile.write(time + ' ' + line + '\r\n');
}
}