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335 lines
12 KiB
JavaScript
335 lines
12 KiB
JavaScript
var MSP_pass_through = false;
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function tab_initialize_logging() {
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ga_tracker.sendAppView('Logging');
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GUI.active_tab = 'logging';
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var requested_properties = [];
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if (configuration_received) {
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MSP.send_message(MSP_codes.MSP_RC, false, false, get_motor_data);
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function get_motor_data() {
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MSP.send_message(MSP_codes.MSP_MOTOR, false, false, load_html);
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}
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function load_html() {
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$('#content').load("./tabs/logging.html", process_html);
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}
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} else {
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MSP_pass_through = true;
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// we will initialize RC.channels array and MOTOR_DATA array manually
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RC.active_channels = 8;
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for (var i = 0; i < RC.active_channels; i++) {
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RC.channels[i] = 0;
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}
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for (var i = 0; i < 8; i++) {
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MOTOR_DATA[i] = 0;
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}
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$('#content').load("./tabs/logging.html", process_html);
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}
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function process_html() {
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// translate to user-selected language
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localize();
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// UI hooks
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$('a.log_file').click(prepare_file);
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$('a.logging').click(function() {
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if (GUI.connected_to) {
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if (fileEntry != null) {
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var clicks = $(this).data('clicks');
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if (!clicks) {
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// reset some variables before start
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samples = 0;
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requests = 0;
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log_buffer = [];
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requested_properties = [];
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$('.properties input:checked').each(function() {
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requested_properties.push($(this).prop('name'));
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});
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if (requested_properties.length) {
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// print header for the csv file
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print_head();
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function poll_data() {
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if (requests) {
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// save current data (only after everything is initialized)
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crunch_data();
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}
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// request new
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if (!MSP_pass_through) {
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for (var i = 0; i < requested_properties.length; i++, requests++) {
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MSP.send_message(MSP_codes[requested_properties[i]]);
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}
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}
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}
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GUI.interval_add('log_data_pull', poll_data, parseInt($('select.speed').val()), true); // refresh rate goes here
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GUI.interval_add('flush_data', function() {
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if (log_buffer.length) { // only execute when there is actual data to write
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if (fileWriter.readyState == 0 || fileWriter.readyState == 2) {
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append_to_file(log_buffer.join('\n'));
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$('.samples').text(samples += log_buffer.length);
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log_buffer = [];
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} else {
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console.log('IO having trouble keeping up with the data flow');
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}
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}
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}, 1000);
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$('.speed').prop('disabled', true);
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$(this).text(chrome.i18n.getMessage('loggingStop'));
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$(this).data("clicks", !clicks);
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} else {
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GUI.log(chrome.i18n.getMessage('loggingErrorOneProperty'));
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}
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} else {
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GUI.interval_remove('log_data_pull');
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GUI.interval_remove('flush_data');
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$('.speed').prop('disabled', false);
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$(this).text(chrome.i18n.getMessage('loggingStart'));
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$(this).data("clicks", !clicks);
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}
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} else {
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GUI.log(chrome.i18n.getMessage('loggingErrorLogFile'));
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}
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} else {
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GUI.log(chrome.i18n.getMessage('loggingErrorNotConnected'));
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}
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});
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if (MSP_pass_through) {
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$('a.back').show();
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$('a.back').click(function() {
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if (GUI.connected_to) {
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$('a.connect').click();
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} else {
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GUI.tab_switch_cleanup(function() {
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MSP_pass_through = false;
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$('#tabs > ul li').removeClass('active');
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tab_initialize_default();
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});
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}
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});
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}
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chrome.storage.local.get('logging_file_entry', function(result) {
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if (result.logging_file_entry) {
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chrome.fileSystem.restoreEntry(result.logging_file_entry, function(entry) {
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fileEntry = entry;
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prepare_writer(true);
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});
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}
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});
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}
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function print_head() {
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var head = "timestamp";
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for (var i = 0; i < requested_properties.length; i++) {
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switch (requested_properties[i]) {
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case 'MSP_RAW_IMU':
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head += ',' + 'gyroscopeX';
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head += ',' + 'gyroscopeY';
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head += ',' + 'gyroscopeZ';
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head += ',' + 'accelerometerX';
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head += ',' + 'accelerometerY';
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head += ',' + 'accelerometerZ';
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head += ',' + 'magnetometerX';
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head += ',' + 'magnetometerY';
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head += ',' + 'magnetometerZ';
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break;
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case 'MSP_ATTITUDE':
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head += ',' + 'kinematicsX';
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head += ',' + 'kinematicsY';
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head += ',' + 'kinematicsZ';
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break;
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case 'MSP_ALTITUDE':
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head += ',' + 'altitude';
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break;
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case 'MSP_RAW_GPS':
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head += ',' + 'gpsFix';
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head += ',' + 'gpsNumSat';
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head += ',' + 'gpsLat';
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head += ',' + 'gpsLon';
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head += ',' + 'gpsAlt';
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head += ',' + 'gpsSpeed';
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head += ',' + 'gpsGroundCourse';
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break;
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case 'MSP_ANALOG':
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head += ',' + 'voltage';
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head += ',' + 'amperage';
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head += ',' + 'mAhdrawn';
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head += ',' + 'rssi';
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break;
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case 'MSP_RC':
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for (var chan = 0; chan < RC.active_channels; chan++) {
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head += ',' + 'RC' + chan;
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}
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break;
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case 'MSP_MOTOR':
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for (var motor = 0; motor < MOTOR_DATA.length; motor++) {
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head += ',' + 'Motor' + motor;
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}
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break;
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case 'MSP_DEBUG':
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for (var debug = 0; debug < SENSOR_DATA.debug.length; debug++) {
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head += ',' + 'Debug' + debug;
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}
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break;
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}
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}
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append_to_file(head);
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}
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var samples = 0;
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var requests = 0;
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var log_buffer = [];
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function crunch_data() {
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var sample = millitime();
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for (var i = 0; i < requested_properties.length; i++) {
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switch (requested_properties[i]) {
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case 'MSP_RAW_IMU':
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sample += ',' + SENSOR_DATA.gyroscope;
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sample += ',' + SENSOR_DATA.accelerometer;
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sample += ',' + SENSOR_DATA.magnetometer;
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break;
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case 'MSP_ATTITUDE':
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sample += ',' + SENSOR_DATA.kinematics[0];
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sample += ',' + SENSOR_DATA.kinematics[1];
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sample += ',' + SENSOR_DATA.kinematics[2];
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break;
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case 'MSP_ALTITUDE':
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sample += ',' + SENSOR_DATA.altitude;
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break;
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case 'MSP_RAW_GPS':
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sample += ',' + GPS_DATA.fix;
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sample += ',' + GPS_DATA.numSat;
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sample += ',' + (GPS_DATA.lat / 10000000);
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sample += ',' + (GPS_DATA.lon / 10000000);
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sample += ',' + GPS_DATA.alt;
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sample += ',' + GPS_DATA.speed;
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sample += ',' + GPS_DATA.ground_course;
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break;
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case 'MSP_ANALOG':
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sample += ',' + ANALOG.voltage;
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sample += ',' + ANALOG.amperage;
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sample += ',' + ANALOG.mAhdrawn;
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sample += ',' + ANALOG.rssi;
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break;
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case 'MSP_RC':
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for (var chan = 0; chan < RC.active_channels; chan++) {
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sample += ',' + RC.channels[chan];
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}
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break;
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case 'MSP_MOTOR':
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sample += ',' + MOTOR_DATA;
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break;
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case 'MSP_DEBUG':
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sample += ',' + SENSOR_DATA.debug;
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break;
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}
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}
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log_buffer.push(sample);
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}
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// IO related methods
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var fileEntry = null;
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var fileWriter = null;
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function prepare_file() {
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// create or load the file
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chrome.fileSystem.chooseEntry({type: 'saveFile', suggestedName: 'bf_data_log', accepts: [{extensions: ['csv']}]}, function(entry) {
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if (!entry) {
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console.log('No file selected');
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return;
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}
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fileEntry = entry;
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// echo/console log path specified
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chrome.fileSystem.getDisplayPath(fileEntry, function(path) {
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console.log('Log file path: ' + path);
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});
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// change file entry from read only to read/write
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chrome.fileSystem.getWritableEntry(fileEntry, function(fileEntryWritable) {
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// check if file is writable
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chrome.fileSystem.isWritableEntry(fileEntryWritable, function(isWritable) {
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if (isWritable) {
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fileEntry = fileEntryWritable;
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// save entry for next use
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chrome.storage.local.set({'logging_file_entry': chrome.fileSystem.retainEntry(fileEntry)});
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// reset sample counter in UI
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$('.samples').text(0);
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prepare_writer();
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} else {
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console.log('File appears to be read only, sorry.');
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}
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});
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});
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});
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}
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function prepare_writer(retaining) {
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fileEntry.createWriter(function(writer) {
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fileWriter = writer;
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fileWriter.onerror = function(e) {
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console.error(e);
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// stop logging if the procedure was/is still running
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if ($('a.logging').data('clicks')) $('a.logging').click();
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};
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fileWriter.onwriteend = function() {
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$('.size').text(bytesToSize(fileWriter.length));
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};
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if (retaining) {
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chrome.fileSystem.getDisplayPath(fileEntry, function(path) {
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GUI.log(chrome.i18n.getMessage('loggingAutomaticallyRetained', [path]));
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});
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}
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// update log size in UI on fileWriter creation
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$('.size').text(bytesToSize(fileWriter.length));
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}, function(e) {
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// File is not readable or does not exist!
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console.error(e);
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if (retaining) {
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fileEntry = null;
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}
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});
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}
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function append_to_file(data) {
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if (fileWriter.position < fileWriter.length) {
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fileWriter.seek(fileWriter.length);
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}
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fileWriter.write(new Blob([data + '\n'], {type: 'text/plain'}));
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}
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} |