2014-07-27 76 views
0

我使用一个树莓PI约翰尼个节点模块,驱动器上的机器人几个舵机与下面的脚本树莓PI节点EventEmitter内存泄露

var five = require('johnny-five'), board, servo, led; 

board = new five.Board(); 

board.on('ready', function(){ 
     servo = new five.Servo({pin: 9, range:[0,180]}); 

     // Allow direct commandline access 
     board.repl.inject({s: servo}); 
}); 

我这运行时出现以下错误对树莓PI代码节点0.10.29-1

1(node) warning: possible EventEmitter memory leak detected. 11 listeners added. Use emitter.setMaxListeners() to increase limit. 
Trace 
    at process.EventEmitter.addListener (events.js:160:15) 
    at process.on.process.addListener (node.js:768:26) 
    at Board.broadcast (/home/pi/sonny/node_modules/johnny-five/lib/board.js:375:15) 
    at Board.<anonymous> (/home/pi/sonny/node_modules/johnny-five/lib/board.js:154:18) 
    at SerialPort.<anonymous> (/home/pi/sonny/node_modules/johnny-five/node_modules/firmata/lib/firmata.js:418:13) 
    at SerialPort.EventEmitter.emit (events.js:95:17) 
    at /home/pi/sonny/node_modules/johnny-five/node_modules/serialport/serialport.js:230:16 

Need to setMaxListeners somewhere in the code. 

但是如果我在我的笔记本上运行的代码(Linux Mint的14 +节点0.10.20),它工作正常。

有没有办法在Raspberry PI(运行raspbian)上全局设置MaxListeners?

如果不是,我将如何添加setMaxListeners到我的代码?

回答

1

原来这是树莓派的电源问题。一旦我将电机置于单独的电源上,但共同接地,一切都开始工作。