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add GPS blocks
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‎GPS-blockly.js‎

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+(function (window, webduino) {
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'use strict';
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window.getGPS = function (board, rx, tx) {
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return new webduino.module.GPS(board, rx, tx);
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};
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}(window, window.webduino));

‎GPS.js‎

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+(function (factory) {
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if (typeof exports === 'undefined') {
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factory(webduino || {});
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} else {
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module.exports = factory;
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}
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}(function (scope) {
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'use strict';
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var Module = scope.Module,
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BoardEvent = scope.BoardEvent,
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proto;
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var GPS_MESSAGE = [0x04, 0x0C],
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MIN_READ_INTERVAL = 1000,
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MIN_RESPONSE_TIME = 30,
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RETRY_INTERVAL = 6000;
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var GPSEvent = {
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READ: 'read',
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READ_ERROR: 'readError'
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};
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function GPS(board, rx, tx) {
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Module.call(this);
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this._type = 'GPS';
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this._board = board;
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this._rx = rx;
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this._tx = tx;
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this._longitude = null;
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this._latitude = null;
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this._time = null;
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this._lastRecv = null;
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this._readTimer = null;
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this._readCallback = function () {};
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this._board.on(BoardEvent.BEFOREDISCONNECT, this.stopRead.bind(this));
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this._messageHandler = onMessage.bind(this);
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this._board.on(BoardEvent.ERROR, this.stopRead.bind(this));
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}
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function onMessage(event) {
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var message = event.message;
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if (message[0] !== GPS_MESSAGE[0] || message[1] !== GPS_MESSAGE[1]) {
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return;
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} else {
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processGPSData(this, message);
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}
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}
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function processGPSData(self, data) {
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var str = '';
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for (var i = 4; i < data.length; i++) {
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str += String.fromCharCode(data[i]);
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}
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str = str.split(' ');
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var location = str[0].split(',');
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self._lastRecv = Date.now();
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self._longitude = location[0];
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self._latitude = location[1];
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self._time = str[1];
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self.emit(GPSEvent.READ, location[0], location[1], str[1]);
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}
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GPS.prototype = proto = Object.create(Module.prototype, {
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constructor: {
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value: GPS
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},
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longitude: {
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get: function () {
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return this._longitude;
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}
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},
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latitude: {
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get: function () {
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return this._latitude;
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}
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},
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time: {
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get: function () {
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return this._time;
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}
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}
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});
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proto.read = function (callback, interval) {
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var self = this,
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timer;
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self.stopRead();
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if (typeof callback === 'function') {
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self._readCallback = function (longitude, latitude, time) {
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self._location = location;
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self._time = time;
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callback({
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longitude: longitude,
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latitude: latitude,
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time: time
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});
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};
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self._board.on(BoardEvent.SYSEX_MESSAGE, self._messageHandler);
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self.on(GPSEvent.READ, self._readCallback);
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timer = function () {
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self._board.sendSysex(GPS_MESSAGE[0], [GPS_MESSAGE[1]]);
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if (interval) {
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interval = Math.max(interval, MIN_READ_INTERVAL);
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if (self._lastRecv === null || Date.now() - self._lastRecv < 5 * interval) {
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self._readTimer = setTimeout(timer, interval);
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} else {
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self.stopRead();
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setTimeout(function () {
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self.read(callback, interval);
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}, RETRY_INTERVAL);
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}
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}
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};
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timer();
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} else {
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return new Promise(function (resolve, reject) {
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self.read(function (data) {
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self._location = data.location;
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self._time = data.time;
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setTimeout(function () {
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resolve(data);
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}, MIN_RESPONSE_TIME);
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});
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});
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}
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};
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proto.stopRead = function () {
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this.removeListener(GPSEvent.READ, this._readCallback);
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this._board.removeListener(BoardEvent.SYSEX_MESSAGE, this._messageHandler);
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this._lastRecv = null;
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if (this._readTimer) {
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clearTimeout(this._readTimer);
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delete this._readTimer;
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}
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};
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scope.module.GPSEvent = GPSEvent;
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scope.module.GPS = GPS;
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}));

‎README.md‎

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# webduino-module-gps
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Webduino Module for GPS.
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## Installation
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```shell
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bower install https://github.com/webduinoio/webduino-module-gps.git
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```
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## License
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This project is licensed under the MIT license, see [LICENSE](LICENSE) for more information.

‎blockly.json‎

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{
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"types": ["gps_new","gps_read","gps_get_number"],
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"category": "catMenu2",
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"scripts": [
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"blockly/blocks.js",
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"blockly/javascript.js"
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],
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"dependencies": [
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"GPS.js",
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"GPS-blockly.js"
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],
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"msg": "blockly/msg",
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"blocksMsg": "blockly/msg/blocks",
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"toolbox": "blockly/toolbox.xml"
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}

‎blockly/blocks.js‎

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Blockly.Blocks['gps_new'] = {
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init: function () {
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this.appendDummyInput()
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.appendField(Blockly.Msg.WEBDUINO_GPS_RX, "GPS定位，rx")
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.appendField(new Blockly.FieldDropdown([
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["2", "2"],
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["3", "3"],
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["4", "4"],
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["5", "5"],
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["6", "6"],
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["7", "7"],
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["8", "8"],
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["9", "9"],
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["10", "10"],
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["11", "11"],
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["12", "12"],
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["13", "13"]
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]), "rx_")
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.appendField(Blockly.Msg.WEBDUINO_GPS_TX, " tx")
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.appendField(new Blockly.FieldDropdown([
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["2", "2"],
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["3", "3"],
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["4", "4"],
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["5", "5"],
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["6", "6"],
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["7", "7"],
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["8", "8"],
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["9", "9"],
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["10", "10"],
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["11", "11"],
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["12", "12"],
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["13", "13"]
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]), "tx_");
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this.setOutput(true);
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this.setColour(230);
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this.setTooltip('');
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this.setHelpUrl('https://webduino.io');
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}
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};
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//https://blockly-demo.appspot.com/static/demos/blockfactory_old/index.html#ohq8mv
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Blockly.Blocks['gps_read'] = {
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init: function () {
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this.appendValueInput("qryTime")
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.setCheck(null)
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.appendField(new Blockly.FieldVariable("gps"), "gps")
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.appendField("取得經緯度和時間，每");
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this.appendDummyInput()
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.appendField("毫秒執行一次");
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this.appendStatementInput("callback")
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.setCheck(null)
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.appendField("執行");
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this.setInputsInline(true);
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this.setPreviousStatement(true, null);
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this.setNextStatement(true, null);
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this.setColour(65);
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this.setTooltip('');
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this.setHelpUrl('http://www.example.com/');
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}
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};
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Blockly.Blocks['gps_get_data'] = {
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init: function() {
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this.appendDummyInput()
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.appendField(new Blockly.FieldVariable("gps"), "gps")
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.appendField("所測得目前的")
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.appendField(new Blockly.FieldDropdown([["經度", "longitude"], ["緯度", "latitude"], ["時間", "time"]]), "dataType");
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this.setOutput(true, null);
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this.setColour(20);
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this.setTooltip('');
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this.setHelpUrl('http://www.example.com/');
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}
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};

‎blockly/javascript.js‎

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Blockly.JavaScript['gps_new'] = function (block) {
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var dropdown_rx_ = block.getFieldValue('rx_');
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var dropdown_tx_ = block.getFieldValue('tx_');
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var code = 'getGPS(board,' + dropdown_rx_ + ',' + dropdown_tx_ + ')';
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return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
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};
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Blockly.JavaScript['gps_read'] = function (block) {
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var variable_gps = Blockly.JavaScript.variableDB_.getName(block.getFieldValue('gps'), Blockly.Variables.NAME_TYPE);
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var value_qryTime = Blockly.JavaScript.valueToCode(block, 'qryTime', Blockly.JavaScript.ORDER_ATOMIC);
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var statements_callback = Blockly.JavaScript.statementToCode(block, 'callback');
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var code = variable_gps + '.read(async function(evt){\n' +
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statements_callback + '}, ' + value_qryTime + ');\n';
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return code;
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};
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Blockly.JavaScript['gps_get_data'] = function(block) {
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var variable_gps = Blockly.JavaScript.variableDB_.getName(block.getFieldValue('gps'), Blockly.Variables.NAME_TYPE);
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var dropdown_datatype = block.getFieldValue('dataType');
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var code = variable_gps + '.' + dropdown_datatype;
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return [code, Blockly.JavaScript.ORDER_NONE];
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};

‎blockly/msg/blocks/en.js‎

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// GPS
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Blockly.Msg.WEBDUINO_GPS_RX = "GPS (TinyGPS)，RX ";
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Blockly.Msg.WEBDUINO_GPS_TX = " TX";
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Blockly.Msg.WEBDUINO_GPS_LOCATE = "Location:";
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Blockly.Msg.WEBDUINO_GPS_TIME = "Time:";
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Blockly.Msg.WEBDUINO_GPS_GET_NOW = "read Info:";

‎blockly/msg/blocks/zh-hans.js‎

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// GPS
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Blockly.Msg.WEBDUINO_GPS_RX = "GPS (TinyGPS)，RX ";
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Blockly.Msg.WEBDUINO_GPS_TX = " TX";
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Blockly.Msg.WEBDUINO_GPS_LOCATE = "Location:";
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Blockly.Msg.WEBDUINO_GPS_TIME = "Time:";
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Blockly.Msg.WEBDUINO_GPS_GET_NOW = "read Info:";

‎blockly/msg/blocks/zh-hant.js‎

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// GPS
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Blockly.Msg.WEBDUINO_GPS_RX = "GPS 定位(TinyGPS)，RX ";
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Blockly.Msg.WEBDUINO_GPS_TX = " TX";
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Blockly.Msg.WEBDUINO_GPS_LOCATE = "經緯度:";
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Blockly.Msg.WEBDUINO_GPS_TIME = "目前時間:";
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Blockly.Msg.WEBDUINO_GPS_GET_NOW = "取得資訊:";

‎blockly/msg/en.js‎

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MSG.catGPS = "GPS";

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