AJ Keller
108 linhas
2.4 KiB
JavaScript
108 linhas
2.4 KiB
JavaScript
/**
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* This is an example of debugging the board. Thanks to Karl @baffo32
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* On windows you should run with PowerShell not git bash.
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* Install
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* [nodejs](https://nodejs.org/en/)
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*
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* To run:
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* change directory to this file `cd examples/debug`
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* do `npm install`
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* then `npm start`
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*/
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var stream = true;
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var debug = true; // Pretty print any bytes in and out... it's amazing...
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var verbose = true; // Adds verbosity to functions
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var OpenBCIBoard = require('openbci').OpenBCIBoard;
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var ourBoard = new OpenBCIBoard({
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debug: debug,
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verbose: verbose
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});
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ourBoard.autoFindOpenBCIBoard().then(portName => {
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if (portName) {
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/**
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* Connect to the board with portName
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* Only works if one board is plugged in
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* i.e. ourBoard.connect(portName).....
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*/
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// Call to connect
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ourBoard.connect(portName).then(() => {
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console.log(`connected`);
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})
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.catch(err => {
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console.log(`connect: ${err}`);
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});
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} else {
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/** Unable to auto find OpenBCI board */
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console.log('Unable to auto find OpenBCI board');
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}
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});
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/**
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* The board is ready to start streaming after the ready function is fired.
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*/
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var readyFunc = () => {
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// Get the sample rate after 'ready'
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if (stream) {
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ourBoard.streamStart()
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.catch(err => {
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console.log(`stream start: ${err}`);
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});
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}
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};
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var sampleFunc = sample => {
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/**
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* Checkout the README.md for all other API functions.
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* We support every feature.
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* */
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};
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// Subscribe to your functions
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ourBoard.on('ready', readyFunc);
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ourBoard.on('sample', sampleFunc);
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function exitHandler (options, err) {
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if (options.cleanup) {
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if (verbose) console.log('clean');
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ourBoard.removeAllListeners();
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/** Do additional clean up here */
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}
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if (err) console.log(err.stack);
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if (options.exit) {
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if (verbose) console.log('exit');
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if (stream) {
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ourBoard.streamStop().catch(console.log);
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}
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ourBoard.disconnect().catch(console.log);
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}
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}
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if (process.platform === 'win32') {
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const rl = require('readline').createInterface({
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input: process.stdin,
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output: process.stdout
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});
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rl.on('SIGINT', function () {
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process.emit('SIGINT');
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});
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}
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// do something when app is closing
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process.on('exit', exitHandler.bind(null, {
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cleanup: true
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}));
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// catches ctrl+c event
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process.on('SIGINT', exitHandler.bind(null, {
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exit: true
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}));
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// catches uncaught exceptions
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process.on('uncaughtException', exitHandler.bind(null, {
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exit: true
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}));
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