I'm trying to do this:
http://www.phys-x.org/rbots/index.php?option=com_content&view=article&id=104:lesson-1-beaglebone-black-blink-led&catid=46:beaglebone-black&Itemid=81
I'm running ubuntu on my beaglebone black with nodejs 0.8.x
I can't figure out how to get it running without running as root. It seems
like there is some sort of permissions problem with my user because the
project runs fine under root. I added myself to the user group dialout but
it didn't make a difference. My question is, what do I need to do to give
my user permission to the pin states. The crash looks like this:
fs.js:338
return binding.open(pathModule._makeLong(path), stringToFlags(flags),
mode);
^
Error: EACCES, permission denied
'/sys/class/leds/beaglebone:green:usr0/trigger'
at Object.fs.openSync (fs.js:338:18)
at Object.fs.writeFileSync (fs.js:756:15)
at Object.f.pinMode
(/home/ubuntu/projects/hello_express/node_modules/bonescript/index.js:132:20)
at Object.<anonymous>
(/home/ubuntu/projects/hello_express/hello_express.js:31:3)
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)
at process.startup.processNextTick.process._tickCallback (node.js:245:9)
Thanks in advance.
- Samuel
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