RICOH THETAでシャッターを切るサンプル(node.js版)

thetashot.js

/*
	RICOH THETA remote shutter for node.js
	coded by @kioku_systemk
	
	code license is public domain.
	this code is referenced from @MobileHackerz and @GOROman
	https://gist.github.com/GOROman/7596186
*/

var net = require('net');
var bp = require('bufferpack');

var host = '192.168.1.1';
var port = 15740;

var Init_Command_Request = 1;
var Cmd_Request          = 6;
var OpenSession          = 0x1002;
var InitiateCapture      = 0x100E;

function thetaShot() {
	var client = new net.Socket();
	client.connect(port, host, function() {
		console.log('CONNECTED TO: ' + host + ':' + port);
		var cnt = 0;
		client.on('data', function(data) {
			if (cnt == 0){
				var s = bp.pack("<LLLLLL", [0,Cmd_Request, 1, OpenSession, 0, 1]);
				s.writeUInt32LE(s.length,0);
				client.write(s);
				cnt = 1;
			} else if (cnt == 1) {
				var s = bp.pack("<LLLLLLL", [0,Cmd_Request, 1, InitiateCapture, 0, 0, 0]);
				s.writeUInt32LE(s.length,0);
				client.write(s);
				cnt = 2;
				client.end();
			}
		});
		client.on('close', function() {
			console.log('Connection closed');
		});
	
		var s = bp.pack("<LLB16L",[0,Init_Command_Request,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255, 1]);
		s.writeUInt32LE(s.length,0);
		client.write(s);
	});
	client.on('error', function(e) {
		console.error(e.message);
	});
}
thetaShot();