Doodle3D-API/src/printerapi.js

108 lines
2.3 KiB
JavaScript

import * as rest from './restapi.js';
export default class {
constructor (api) {
this.api = api;
this._printBatches = [];
this._currentBatch = 0;
this.maxBatchSize = 10*1024;
this.maxBufferedLines = 1024*1024;
this.fullBufferTimeout = 10000;
}
temperature () {
return rest.get(this.api + 'printer/temperature');
}
progress () {
return rest.get(this.api + 'printer/progress');
}
state () {
return rest.get(this.api + 'printer/state');
}
listAll () {
return rest.get(this.api + 'printer/listall');
}
heatup () {
return rest.post(this.api + 'printer/heatup', {});
}
sendGCode (gcode) {
if (!gcode.endsWith('\n')) {
gcode += '\n';
}
this._currentBatch = 0;
var lastIndex = 0;
while (lastIndex !== gcode.length) {
var index = gcode.lastIndexOf('\n', lastIndex + this.maxBatchSize);
var batch = gcode.substring(lastIndex, index);
lastIndex = index + 1; //skip next return
this._printBatches.push(batch);
}
this._sendBatch();
}
_sendBatch () {
var gcode = this._printBatches.shift();
var start = (this._currentBatch === 0) ? true : false;
var first = (this._currentBatch === 0) ? true : false;
var last = (this._printBatches.length === 0) ? true : false; //only for the node js server
var printRequest = this.print(gcode, start, first, last);
printRequest.then((data) => {
console.log('batch sent: ' + this._currentBatch, data);
var progressRequest = this.progress()
progressRequest.then((progress) => {
if (this._printBatches.length > 0) {
if (progress['buffered_lines'] + this.maxBatchSize < this.maxBufferedLines) {
this._currentBatch ++;
this._sendBatch();
}
else {
setTimeout(() => {
this._sendBatch();
}, this.fullBufferTimeout);
}
}
else {
console.log('Finish sending gcode to printer');
}
});
});
printRequest.catch((error) => {
this._printBatches.unshift(gcode);
setTimeout(() => {
this._sendBatch();
}, 1000);
});
}
print (gcode = '', first = false, start = false, last = false) {
var data = {gcode, first, start}
if (last) data.last = last;
return rest.post(this.api + 'printer/print', data);
}
stop (gcode = '') {
this._currentBatch = 0;
this._printBatches = [];
return rest.post(this.api + 'printer/stop', {gcode});
}
}