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WebUSB: Always reset the serial terminal when closed #312

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merged 4 commits into from
Dec 23, 2019
Merged

WebUSB: Always reset the serial terminal when closed #312

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e5e792b
WebUSB: Refactor code to close serial terminal into own function.
microbit-carlos Dec 18, 2019
f2ff704
WebUSB: Focus REPL when activated, and remove all daplink serial list…
microbit-carlos Dec 18, 2019
fc5842a
WebUSB: return promise during disconnection.
microbit-carlos Dec 18, 2019
0efa8a8
WebUSB: Clear the dapwrapper only after disconnection.
microbit-carlos Dec 20, 2019
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92 changes: 34 additions & 58 deletions python-main.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1462,7 +1462,7 @@ function web_editor(config) {
$('#flashing-overlay').keydown(function(e) {
if (e.which == 27) {
flashErrorClose();
}
}
});

// Send event
Expand All @@ -1484,16 +1484,8 @@ function web_editor(config) {

// Hide serial and disconnect if open
if ($("#repl").css('display') != 'none') {
$("#repl").hide();
$("#request-repl").hide();
$("#request-serial").hide();
$("#editor-container").show();
closeSerial();
}
$("#command-serial").attr("title", config["translate"]["static-strings"]["buttons"]["command-serial"]["title"]);
$("#command-serial > .roundlabel").text(config["translate"]["static-strings"]["buttons"]["command-serial"]["label"]);

$("#repl").empty();
REPL = null;

// Change button to connect
$("#command-disconnect").hide();
Expand All @@ -1506,19 +1498,13 @@ function web_editor(config) {

var p = Promise.resolve();

if (usePartialFlashing) {
if (window.dapwrapper) {
console.log("Disconnecting: Using Quick Flash");
p = p.then(function() { window.dapwrapper.daplink.stopSerialRead() } )
.then(function() { window.dapwrapper.disconnectAsync() } );
}
if (usePartialFlashing && window.dapwrapper) {
console.log('Disconnecting: Using Quick Flash');
p = p.then(function() { return window.dapwrapper.disconnectAsync() });
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@microbit-sam I think these two were meant to return the disconnect promise?

I assume this was originally an arrow function .then(() => window.dapwrapper.disconnectAsync()); that returned the promise from disconnectAsync(), but then when converting to ES5 the return was accidentally left out?

On the other hand stopSerialRead() does not return a promise, so the original line removed in this PR (p.then(function() { window.dapwrapper.daplink.stopSerialRead() } )) is correct in not using return in the function.

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Yep, looks right!

}
else {
if (window.daplink) {
console.log("Disconnecting: Using Full Flash");
p = p.then(function() { window.daplink.stopSerialRead() } )
.then(function() { window.daplink.disconnect() } );
}
else if (window.daplink) {
console.log('Disconnecting: Using Full Flash');
p = p.then(function() { return window.daplink.disconnect() });
}

p.finally(function() {
Expand All @@ -1538,21 +1524,7 @@ function web_editor(config) {

// Hide serial and disconnect if open
if ($("#repl").css('display') != 'none') {
$("#repl").hide();
$("#request-repl").hide();
$("#request-serial").hide();
$("#editor-container").show();
$("#command-serial").attr("title", config["translate"]["static-strings"]["buttons"]["command-serial"]["title"]);
$("#command-serial > .roundlabel").text(config["translate"]["static-strings"]["buttons"]["command-serial"]["label"]);

if (usePartialFlashing) {
if (window.dapwrapper) {
window.dapwrapper.daplink.stopSerialRead();
}
}
else {
window.daplink.stopSerialRead();
}
closeSerial();
}

// Get the hex to flash in bytes format, exit if there is an error
Expand Down Expand Up @@ -1580,9 +1552,6 @@ function web_editor(config) {

var p = Promise.resolve();
if (usePartialFlashing) {
REPL = null;
$("#repl").empty();

p = window.dapwrapper.disconnectAsync()
.then(function() {
return PartialFlashing.connectDapAsync();
Expand Down Expand Up @@ -1640,28 +1609,35 @@ function web_editor(config) {
});
}

function closeSerial(keepSession) {
console.log("Closing Serial Terminal");
$('#repl').empty();
$('#repl').hide();
$('#request-repl').hide();
$('#request-serial').hide();
$('#editor-container').show();

var serialButton = config['translate']['static-strings']['buttons']['command-serial'];
$('#command-serial').attr('title', serialButton['title']);
$('#command-serial > .roundlabel').text(serialButton['label']);

var daplink = usePartialFlashing ? window.dapwrapper.daplink : window.daplink;
daplink.stopSerialRead();
daplink.removeAllListeners(DAPjs.DAPLink.EVENT_SERIAL_DATA);
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@microbit-carlos microbit-carlos Dec 18, 2019 •
edited
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I think this is the main reason sometimes we were seeing double characters on the terminal.
I don't quite have a way to replicate the original issue reported by some users, @microbit-mark do you have any additional info on the problem? I couldn't find an issue in this repo.

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It's mentioned in #253 and originally from
https://support.microbit.org/a/tickets/24489 However the user says that they are unsure whether they accidentally typed the extra characters or not, so it maybe hard to reproduce.

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Oh right, this is not the same then.
This issue would have caused all typed characters to appear twice. Before this PR I only saw this type of double characters very sporadically, but this refactor somehow exuberated the issue and this line fixed it, I was hoping it was the same, but it isn't.

REPL.uninstallKeyboard();
REPL.io.pop();
REPL = null;
}

function doSerial() {
console.log("Setting Up Serial Terminal");
// Hide terminal
// Hide terminal if it is currently shown
var serialButton = config["translate"]["static-strings"]["buttons"]["command-serial"];
if ($("#repl").css('display') != 'none') {
$("#repl").hide();
$("#request-repl").hide();
$("#request-serial").hide();
$("#editor-container").show();
$("#command-serial").attr("title", serialButton["label"]);
$("#command-serial > .roundlabel").text(serialButton["label"]);
if (usePartialFlashing) {
if (window.dapwrapper) {
window.dapwrapper.daplink.stopSerialRead();
}
}
else {
window.daplink.stopSerialRead();
}
closeSerial();
return;
}

console.log("Setting Up Serial Terminal");
// Check if we need to connect
if ($("#command-connect").is(":visible")){
doConnect(true);
Expand Down Expand Up @@ -1757,8 +1733,8 @@ function web_editor(config) {
$(overlayContainer).keydown(function(e) {
if (e.which == 27) {
modalMsgClose();
}
});
}
});
}

function formatMenuContainer(parentButtonId, containerId) {
Expand Down