betaflight-configurator/js/backup_restore.js

245 lines
8.5 KiB
JavaScript

'use strict';
function configuration_backup(callback) {
// request configuration data (one by one)
function get_ident_data() {
MSP.send_message(MSP_codes.MSP_IDENT, false, false, get_status_data);
}
function get_status_data() {
MSP.send_message(MSP_codes.MSP_STATUS, false, false, get_pid_data);
}
function get_pid_data() {
MSP.send_message(MSP_codes.MSP_PID, false, false, get_rc_tuning_data);
}
function get_rc_tuning_data() {
MSP.send_message(MSP_codes.MSP_RC_TUNING, false, false, get_box_names_data);
}
function get_box_names_data() {
MSP.send_message(MSP_codes.MSP_BOXNAMES, false, false, get_box_data);
}
function get_box_data() {
MSP.send_message(MSP_codes.MSP_BOX, false, false, get_acc_trim_data);
}
function get_acc_trim_data() {
MSP.send_message(MSP_codes.MSP_ACC_TRIM, false, false, get_misc_data);
}
function get_misc_data() {
MSP.send_message(MSP_codes.MSP_MISC, false, false, get_servo_config_data);
}
function get_servo_config_data() {
MSP.send_message(MSP_codes.MSP_SERVO_CONF, false, false, backup);
}
function backup() {
var chosenFileEntry = null;
var accepts = [{
extensions: ['txt']
}];
// generate timestamp for the backup file
var d = new Date(),
now = d.getUTCFullYear() + '.' + d.getDate() + '.' + (d.getMonth() + 1) + '.' + d.getHours() + '.' + d.getMinutes();
// create or load the file
chrome.fileSystem.chooseEntry({type: 'saveFile', suggestedName: 'baseflight_backup_' + now, accepts: accepts}, function (fileEntry) {
if (chrome.runtime.lastError) {
console.error(chrome.runtime.lastError.message);
return;
}
if (!fileEntry) {
console.log('No file selected, backup aborted.');
return;
}
chosenFileEntry = fileEntry;
// echo/console log path specified
chrome.fileSystem.getDisplayPath(chosenFileEntry, function (path) {
console.log('Backup file path: ' + path);
});
// change file entry from read only to read/write
chrome.fileSystem.getWritableEntry(chosenFileEntry, function (fileEntryWritable) {
// check if file is writable
chrome.fileSystem.isWritableEntry(fileEntryWritable, function (isWritable) {
if (isWritable) {
chosenFileEntry = fileEntryWritable;
// create config object that will be used to store all downloaded data
var configuration = {
'firmware_version': CONFIG.version,
'configurator_version': chrome.runtime.getManifest().version,
'PID': PIDs,
'AUX_val': AUX_CONFIG_values,
'RC': RC_tuning,
'AccelTrim': CONFIG.accelerometerTrims,
'MISC': MISC,
'SERVO_CONFIG': SERVO_CONFIG
};
// crunch the config object
var serialized_config_object = JSON.stringify(configuration);
var blob = new Blob([serialized_config_object], {type: 'text/plain'}); // first parameter for Blob needs to be an array
chosenFileEntry.createWriter(function (writer) {
writer.onerror = function (e) {
console.error(e);
};
var truncated = false;
writer.onwriteend = function () {
if (!truncated) {
// onwriteend will be fired again when truncation is finished
truncated = true;
writer.truncate(blob.size);
return;
}
console.log('Write SUCCESSFUL');
if (callback) callback();
};
writer.write(blob);
}, function (e) {
console.error(e);
});
} else {
// Something went wrong or file is set to read only and cannot be changed
console.log('File appears to be read only, sorry.');
}
});
});
});
}
// begin fetching latest data
get_ident_data();
}
function configuration_restore(callback) {
var chosenFileEntry = null;
var accepts = [{
extensions: ['txt']
}];
// load up the file
chrome.fileSystem.chooseEntry({type: 'openFile', accepts: accepts}, function (fileEntry) {
if (chrome.runtime.lastError) {
console.error(chrome.runtime.lastError.message);
return;
}
if (!fileEntry) {
console.log('No file selected, restore aborted.');
return;
}
chosenFileEntry = fileEntry;
// echo/console log path specified
chrome.fileSystem.getDisplayPath(chosenFileEntry, function (path) {
console.log('Restore file path: ' + path);
});
// read contents into variable
chosenFileEntry.file(function (file) {
var reader = new FileReader();
reader.onprogress = function (e) {
if (e.total > 1048576) { // 1 MB
// dont allow reading files bigger then 1 MB
console.log('File limit (1 MB) exceeded, aborting');
reader.abort();
}
};
reader.onloadend = function (e) {
if (e.total != 0 && e.total == e.loaded) {
console.log('Read SUCCESSFUL');
try { // check if string provided is a valid JSON
var deserialized_configuration_object = JSON.parse(e.target.result);
} catch (e) {
// data provided != valid json object
console.log('Data provided != valid JSON string, restore aborted.');
return;
}
configuration_upload(deserialized_configuration_object, callback);
}
};
reader.readAsText(file);
});
});
}
function configuration_upload(configuration, callback) {
// check if all attributes that we will be saving exist inside the configuration object
var validate = [
'PID',
'AUX_val',
'RC',
'AccelTrim',
'MISC',
'SERVO_CONFIG'
];
for (var i = 0; i < validate.length; i++) {
if (typeof (configuration[validate[i]]) === 'undefined') {
GUI.log(chrome.i18n.getMessage('backupFileIncompatible'));
return;
}
}
// replace data
PIDs = configuration.PID;
AUX_CONFIG_values = configuration.AUX_val;
RC_tuning = configuration.RC;
CONFIG.accelerometerTrims = configuration.AccelTrim;
MISC = configuration.MISC;
SERVO_CONFIG = configuration.SERVO_CONFIG;
function rc_tuning() { // Send over the RC_tuning changes
MSP.send_message(MSP_codes.MSP_SET_RC_TUNING, MSP.crunch(MSP_codes.MSP_SET_RC_TUNING), false, aux);
}
function aux() { // Send over the AUX changes
MSP.send_message(MSP_codes.MSP_SET_BOX, MSP.crunch(MSP_codes.MSP_SET_BOX), false, trim);
}
function trim() { // Send over the new trims
MSP.send_message(MSP_codes.MSP_SET_ACC_TRIM, MSP.crunch(MSP_codes.MSP_SET_ACC_TRIM), false, misc);
}
function misc() { // Send ove the new MISC
MSP.send_message(MSP_codes.MSP_SET_MISC, MSP.crunch(MSP_codes.MSP_SET_MISC), false, servo_conf);
}
function servo_conf() { // send over the new SERVO_CONF
MSP.send_message(MSP_codes.MSP_SET_SERVO_CONF, MSP.crunch(MSP_codes.MSP_SET_SERVO_CONF), false, save_eeprom);
}
function save_eeprom() {
MSP.send_message(MSP_codes.MSP_EEPROM_WRITE, false, false, function () {
GUI.log(chrome.i18n.getMessage('eeprom_saved_ok'));
if (callback) callback();
});
}
// Send over the PID changes
MSP.send_message(MSP_codes.MSP_SET_PID, MSP.crunch(MSP_codes.MSP_SET_PID), false, rc_tuning);
}