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betaflight-configurator/tabs/dataflash.js
2015-01-31 00:41:41 +13:00

130 lines
No EOL
3.9 KiB
JavaScript

'use strict';
TABS.dataflash = {};
TABS.dataflash.initialize = function (callback) {
var self = this;
if (GUI.active_tab != 'dataflash') {
GUI.active_tab = 'dataflash';
googleAnalytics.sendAppView('dataflash');
}
var requested_properties = [],
samples = 0,
requests = 0,
log_buffer = [];
if (CONFIGURATOR.connectionValid) {
MSP.send_message(MSP_codes.MSP_DATAFLASH_SUMMARY, false, false, function() {
$('#content').load("./tabs/dataflash.html", process_html);
});
}
function process_html() {
// translate to user-selected language
localize();
$(".tab-dataflash .dataflash-capacity").text(DATAFLASH.totalSize);
$(".tab-dataflash .dataflash-sectors").text(DATAFLASH.sectors);
// UI hooks
$('.tab-dataflash a.erase_flash').click(erase_flash);
$('.tab-dataflash a.save_to_file').click(stream_flash_to_file);
if (callback) callback();
}
// IO related methods
function zeroPad(value, width) {
value = "" + value;
while (value.length < width) {
value = "0" + value;
}
return value;
}
function stream_flash_to_file() {
if (GUI.connected_to) {
prepare_file(function(fileWriter) {
var
nextAddress = 0;
function onChunkRead(chunkAddress, chunkDataView) {
// If we didn't get a zero-byte chunk (indicating end-of-file), request more
if (chunkDataView.byteLength > 0) {
var blob = new Blob([chunkDataView]);
fileWriter.write(blob);
nextAddress += chunkDataView.byteLength;
MSP.dataflashRead(nextAddress, onChunkRead);
}
}
MSP.dataflashRead(nextAddress, onChunkRead);
});
}
}
function prepare_file(onComplete) {
var
date = new Date(),
filename = 'blackbox_log_' + date.getFullYear() + '-' + zeroPad(date.getMonth() + 1, 2) + '-'
+ zeroPad(date.getDate(), 2) + '_' + zeroPad(date.getHours(), 2) + zeroPad(date.getMinutes(), 2)
+ zeroPad(date.getSeconds(), 2);
chrome.fileSystem.chooseEntry({type: 'saveFile', suggestedName: filename,
accepts: [{extensions: ['TXT']}]}, function(fileEntry) {
if (!fileEntry) {
console.log('No file selected');
return;
}
// echo/console log path specified
chrome.fileSystem.getDisplayPath(fileEntry, function(path) {
console.log('Dataflash dump file path: ' + path);
});
prepare_writer(fileEntry, onComplete);
});
}
function prepare_writer(fileEntry, onComplete) {
fileEntry.createWriter(function (fileWriter) {
fileWriter.onerror = function (e) {
console.error(e);
// stop logging if the procedure was/is still running
};
fileWriter.onwriteend = function () {
};
onComplete(fileWriter);
}, function (e) {
// File is not readable or does not exist!
console.error(e);
});
}
function erase_flash() {
/* var dialog = $("<dialog>lol</dialog>");
$("body").append(dialog);
dialog[0].showModal();
TODO modal dialog to confirm erase */
MSP.send_message(MSP_codes.MSP_DATAFLASH_ERASE, false, false, function(data) {
});
}
};
TABS.dataflash.cleanup = function (callback) {
if (callback) callback();
};