| <!DOCTYPE html> | |
| <script src="usb-helpers.js"></script> | |
| <script> | |
| 'use strict'; | |
| window.onmessage = messageEvent => { | |
| if (messageEvent.data === 'Ready') { | |
| navigator.usb.addEventListener('connect', connectEvent => { | |
| connectEvent.device.open().then(() => { | |
| parent.postMessage('Success', '*'); | |
| }).catch(error => { | |
| parent.postMessage('FAIL: open rejected ' + error, '*'); | |
| }); | |
| }); | |
| parent.postMessage('Ready', '*'); | |
| } | |
| }; | |
| </script> |