ERROR MESSAGE:

fs.js:429
  return binding.write(fd, buffer, offset, length, position);
                 ^
Error: EINVAL, invalid argument
    at Object.fs.writeSync (fs.js:429:18)
    at Object.fs.writeFileSync (fs.js:764:21)
    at Object.f.analogWrite (/usr/lib/node_modules/bonescript/index.js:546:12)
    at loop (/var/lib/cloud9/analog.js:11:7)
    at Object.<anonymous> (/var/lib/cloud9/analog.js:7:1)
    at Module._compile (module.js:449:26)
    at Object.Module._extensions..js (module.js:467:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Module.runMain (module.js:492:10)
    
Second of the two changes in your patch did not have the 'this.' prefix:
    
if(f.getPlatform().name == 'Beaglebone')
    data = data / this.scale;