mirror of
https://github.com/thegecko/web-bluetooth-dfu.git
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70 lines
2.4 KiB
JavaScript
70 lines
2.4 KiB
JavaScript
/* @license
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*
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* Hex to Bin library
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2016 Rob Moran
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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// https://github.com/umdjs/umd
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(function(global, factory) {
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if (typeof exports === 'object') {
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// CommonJS (Node)
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module.exports = factory();
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} else if (typeof define === 'function' && define.amd) {
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// AMD
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define(factory);
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} else {
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// Browser global (with support for web workers)
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global.hex2bin = factory();
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}
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}(this, function() {
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'use strict';
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return function(hex) {
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var hexLines = hex.split("\n");
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var size = 0;
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hexLines.forEach(function(line) {
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if (line.substr(7, 2) === "00") { // type == data
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size += parseInt(line.substr(1, 2), 16);
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}
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});
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var buffer = new ArrayBuffer(size);
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var view = new Uint8Array(buffer);
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var pointer = 0;
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hexLines.forEach(function(line) {
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if (line.substr(7, 2) === "00") { // type == data
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var length = parseInt(line.substr(1, 2), 16);
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var data = line.substr(9, length * 2);
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for (var i = 0; i < length * 2; i += 2) {
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view[pointer] = parseInt(data.substr(i, 2), 16);
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pointer++;
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}
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}
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});
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return buffer;
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};
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})); |