After a fresh reboot, I get the following error on first run of
blinkLED.js, but it then runs fine when I run again until the next reboot:
Debugger listening on 127.0.0.1:15454
fs.js:642
return binding.open(pathModule._makeLong(path), stringToFlags(flags),
mode);
^
Error: EACCES: permission denied, open '/sys/class/gpio/gpio122/direction'
at Error (native)
at Object.fs.openSync (fs.js:642:18)
at Object.fs.writeFileSync (fs.js:1356:33)
at Object.exportGPIOControls
(/usr/local/lib/node_modules/bonescript/src/hw_mainline.js:231:8)
at Object.f.pinMode
(/usr/local/lib/node_modules/bonescript/src/index.js:234:19)
at Object.<anonymous> (/var/lib/cloud9/BeagleBone/AI/blinkLED.js:16:7)
at Module._compile (module.js:577:32)
at Object.Module._extensions..js (module.js:586:10)
at Module.load (module.js:494:32)
at tryModuleLoad (module.js:453:12)
Process exited with code: 1
-Sean
On Friday, October 25, 2019 at 12:29:25 AM UTC-5, jonnymo wrote:
>
> Jason,
>
> I added this to my BB AI and ran the .js script from the Cloud9 IDE and it
> did in fact blink an LED connected to P9.15 as well as the usrx LEDs.
>
> Now, I did set P9.15 as an Output pin in the am5729-beagleboneai.dts file
> so I am not sure if this is necessary in this case.
>
> Also, from the Cloud9 IDE, the nodejs script stays active and causes the
> BB AI to become very in console response.
> This is what is left behind.
>
> *debian@beaglebone:~/developement$ ps -aef |grep .js*
> *root 569 1 0 21:44 ? 00:00:01 /usr/bin/nodejs
> autorun.js*
> *debian 22055 1 2 22:18 ? 00:00:06 /usr/bin/nodejs server.js
> --packed -w /var/lib/cloud9*
> *debian 22105 22055 1 22:18 ? 00:00:03
> /opt/cloud9/.c9/node/bin/node
> /opt/cloud9/build/standalonebuild/node_modules/vfs-child/child.js
> {"root":"/","metapath":"/.c9/metadata","wsmetapath":"/.c9/metadata/workspace","readOnly":false,"debug":false,"homeDir":"/home/debian","projectDir":"/var/lib/cloud9","nakBin":"/opt/cloud9/build/standalonebuild/node_modules/nak/bin/nak","nodeBin":["/opt/cloud9/.c9/node/bin/node","/usr/bin/nodejs"],"tmuxBin":"/usr/bin/tmux","defaultEnv":{"CUSTOM":43},"inProcess":false}*
>
>
> Perhaps there is a way to reset the function of the usrx LEDs after the
> script runs?
>
> Cheers,
>
> Jon
>
>
> On Thu, Oct 24, 2019 at 11:01 AM Jason Kridner <[email protected]
> <javascript:>> wrote:
>
>> Realized I hadn't published the work already done on putting BeagleBone
>> AI GPIO pins into the node.js BoneScript library.
>>
>> Any testing on this version would really be appreciated.
>>
>>
>> debian@beaglebone:/var/lib/cloud9/sensors$ *cd /usr/local/lib*
>> debian@beaglebone:/usr/local/lib$ *sudo npm install --unsafe-perm
>> [email protected]*
>>
>> npm WARN deprecated [email protected]: CoffeeScript on NPM has moved to
>> "coffeescript" (no hyphen)
>> npm WARN deprecated [email protected]: Please use the native JSON object
>> instead of JSON 3
>> npm WARN deprecated [email protected]: Please use the native JSON object
>> instead of JSON 3
>> [email protected] node_modules/winston/node_modules/colors ->
>> node_modules/colors
>> [email protected] node_modules/winston/node_modules/cycle -> node_modules/cycle
>> [email protected] node_modules/winston/node_modules/eyes -> node_modules/eyes
>> [email protected] node_modules/winston/node_modules/isstream ->
>> node_modules/isstream
>> [email protected] node_modules/winston/node_modules/pkginfo ->
>> node_modules/pkginfo
>> [email protected] node_modules/winston/node_modules/stack-trace ->
>> node_modules/stack-trace
>> /usr/local/lib
>> └─┬ [email protected]
>> └── [email protected]
>>
>> npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.1.2
>> (node_modules/chokidar/node_modules/fsevents):
>> npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for
>> [email protected]: wanted {"os":"darwin","arch":"any"} (current:
>> {"os":"linux","arch":"arm"})
>> npm WARN optional SKIPPING OPTIONAL DEPENDENCY: xpc-connection@~0.1.4
>> (node_modules/sensortag/node_modules/noble/node_modules/xpc-connection):
>> npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for
>> [email protected]: wanted {"os":"darwin","arch":"any"} (current:
>> {"os":"linux","arch":"arm"})
>> npm WARN enoent ENOENT: no such file or directory, open
>> '/usr/local/lib/package.json'
>> npm WARN lib No description
>> npm WARN lib No repository field.
>> npm WARN lib No README data
>> npm WARN lib No license field.
>> debian@beaglebone:/usr/local/lib$ *node -pe
>> "require('bonescript').bone.getPinObject('p9.15').ai.gpio"*
>> 76
>>
>>
>> --
>> For more options, visit http://beagleboard.org/discuss
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>>
>> <https://groups.google.com/d/msgid/beagleboard/28ae9679-ddb7-42e3-9437-aa56dacb147d%40googlegroups.com?utm_medium=email&utm_source=footer>
>> .
>>
>
--
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