Files
agent/usb/blink-test-led.js
2016-09-27 00:13:03 +02:00

41 lines
1005 B
JavaScript
Executable File

#!/usr/bin/env node
'use strict';
var usb = require('usb');
var vid = 0x16d3;
var pid = 0x05ea;
var test_led_command_id = 2;
var device = usb.findByIds(vid, pid);
device.open();
var usbInterface = device.interface(0);
if (usbInterface.isKernelDriverActive()) {
usbInterface.detachKernelDriver();
}
usbInterface.claim();
var endpointIn = usbInterface.endpoints[0];
var endpointOut = usbInterface.endpoints[1];
var state = 1;
setInterval(function() {
state = state ? 0 : 1
console.log('Sending ', state);
endpointOut.transfer(new Buffer([test_led_command_id, state]), function(err) {
if (err) {
console.error("USB error: %s", err);
process.exit(1);
}
endpointIn.transfer(64, function(err2, receivedBuffer) {
if (err2) {
console.error("USB error: %s", err2);
process.exit(2);
}
console.log('Received', receivedBuffer, receivedBuffer.length);
})
});
}, 500)