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Use bufferSize and maxBufferSize from printer progress to wait until buffer load drops below given ratio after buffer_full has been received.

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This commit is contained in:
Wouter R 2016-02-12 17:34:05 +01:00
parent 8f0943a53b
commit a9f7fe1c78
2 changed files with 53 additions and 5 deletions
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2
js/Message.js
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@ -25,7 +25,7 @@ function Message() {
this.$element = $element;
}
this.set = function(contents,mode,autoHide,disableEffect) {
console.log("Message:set: ",contents,mode,autoHide,disableEffect);
//console.log("Message:set: ",contents,mode,autoHide,disableEffect);
if(disableEffect) {
self.fill(contents,mode,autoHide)
} else{

56
js/Printer.js
View File

@ -37,6 +37,8 @@ function Printer() {
this.currentLine = 0;
this.totalLines = 0;
this.bufferedLines = 0;
this.bufferSize = 0;
this.maxBufferSize = 0;
this.state = Printer.UNKNOWN_STATE;
this.hasControl = true; // whether this client has control access
@ -56,6 +58,10 @@ function Printer() {
this.retryStopDelay; // retry setTimout instance
this.retryPreheatDelay; // retry setTimout instance
//after buffer full message has been received, wait until the buffer load is below this ratio before sending new data
Printer.GCODE_BUFFER_WAIT_LOAD_RATIO = 0.75;
Printer.BUFFER_SPACE_WAIT_TIMEOUT = 30000;
Printer.MAX_GCODE_SIZE = 10; // max size of gcode in MB's (estimation)
this.stateOverruled = false;
@ -149,6 +155,9 @@ function Printer() {
return~-encodeURI(s).split(/%..|./).length;
}
/* Note: the API supports numbered chunks as a way to ensure they are received in the correct order.
* Since no problems regarding that seem to exist anymore, this code has not been adapted to use this facility.
*/
this.sendPrintPart = function(sendIndex,sendLength) {
console.log("Printer:sendPrintPart sendIndex: " + sendIndex + "/" + this.gcode.length + ", sendLength: " + sendLength);
@ -156,7 +165,7 @@ function Printer() {
var sendPercentage = Math.round(sendIndex/this.gcode.length*100);
message.set("Sending doodle to printer: "+sendPercentage+"%",Message.NOTICE,false,true);
var firstOne = (sendIndex == 0)? true : false;
var firstOne = (sendIndex == 0) ? true : false;
var start = firstOne; // start printing right away
var completed = false;
@ -178,7 +187,7 @@ function Printer() {
dataType: 'json',
timeout: this.sendPrintPartTimeoutTime,
success: function(data){
console.log("Printer:sendPrintPart response: ",data);
//console.log("Printer:sendPrintPart response: ",data);
if(data.status == "success") {
if (completed) {
@ -197,8 +206,18 @@ function Printer() {
self.sendPrintPart(sendIndex + sendLength, sendLength);
}
}
} else if (data.status == "fail") {
if (data.data.status == "buffer_full") {
//this will wait in a setTimeout loop until enough room is available and then call sendPrintPart again.
self.waitForBufferSpace(sendIndex, sendLength);
} else {
//Note: apart from logging an error here, we ignore these errors as they all have to do
//with chunk sequencing, which we do not use, except for the source parameter which is set internally.
console.error("Printer:sendPrintPart: unexpected failure response for API endpoint printer/print (" + data.data.status + ")");
}
}
// after we know the first gcode packed has bin received or failed
// after we know the first gcode part has been received or failed
// (and the driver had time to update the printer.state)
// we start checking the status again
if(sendIndex == 0) {
@ -223,6 +242,33 @@ function Printer() {
}
}
/*
* Called by sendPrintPart when a buffer_full fail response is received.
* This function keeps calling itself until the GCodeBuffer's load ratio
* drops below a predefined value and then calls sendPrintPart again.
*/
this.waitForBufferSpace = function(sendIndex,sendLength) {
var fillRatio = this.bufferSize / this.maxBufferSize;
var self = this;
//console.log("buffer fill state: " + self.bufferSize + "/" + self.maxBufferSize + " (" + fillPercent + "%)");
if (fillRatio >= Printer.GCODE_BUFFER_WAIT_LOAD_RATIO) {
var fillPercent = (fillRatio * 100).toFixed(2);
console.log("Printer:waitForBufferSpace: waiting until gcode buffer load ratio is below " +
(Printer.GCODE_BUFFER_WAIT_LOAD_RATIO * 100) + "% (current: " + fillPercent + "% of " +
(self.maxBufferSize / 1024) + "KiB)");
setTimeout(function() { self.waitForBufferSpace(sendIndex, sendLength); }, Printer.BUFFER_SPACE_WAIT_TIMEOUT);
} else {
if(self.state == Printer.PRINTING_STATE || self.state == Printer.BUFFERING_STATE) {
console.log("Printer:waitForBufferSpace: load ratio dropped below " + (Printer.GCODE_BUFFER_WAIT_LOAD_RATIO * 100) + "%, calling sendPrintPart...");
self.sendPrintPart(sendIndex, sendLength);
} else {
console.log("Printer:waitForBufferSpace: load ratio dropped far enough but printer state is not printing or buffering anymore, not resuming.");
}
}
}
this.stop = function() {
console.log("Printer:stop");
endCode = generateEndCode();
@ -325,7 +371,9 @@ function Printer() {
// progress
self.currentLine = data.current_line;
self.totalLines = data.total_lines;
self.bufferedLines = data.buffered_lines
self.bufferedLines = data.buffered_lines;
self.bufferSize = data.buffer_size;
self.maxBufferSize = data.max_buffer_size;
// access
self.hasControl = data.has_control;