While not the same, I thought your error looked a little like this one
<https://github.com/jadonk/bonescript/issues/97>.
"The GPIO pins are only accessible by 'root'." (with sudo it works).
Hope it helps.
On Friday, September 12, 2014 7:44:58 PM UTC-7, jfsbac wrote:
>
> I tried to use this example to write to a device I have connected to
> serial port /dev/ttyO1. I know the device answers because I can use screen
> and get responses. My code to send out "/sh/s" is:
>
> var b = require('bonescript');
>
> var cmd = '/sh/s';
>
> var port = '/dev/ttyO1';
>
> var options = {
>
> baudrate: 9600
>
> };
>
>
> b.serialOpen(port, options, onSerial);
>
>
> b.serialWrite(port, cmd);
>
>
> function onSerial(x) {
>
> if (x.err) {
>
> console.log('***ERROR*** ' + JSON.stringify(x));
>
> }
>
> if (x.event == 'open') {
>
> console.log('***OPENED***');
>
> }
>
> if (x.event == 'data') {
>
> console.log(String(x.data));
>
> }
>
> }
>
> I get the following response:
>
> debian@beaglebone:~/nodews$ node shedrd.js
>
>
> /usr/local/lib/node_modules/bonescript/my.js:55
>
> var slotRegex = new RegExp('\\d+(?=\\s*:.*,bs.*' + pin.key +
> ')',
>
> ^
>
> TypeError: Cannot read property 'key' of undefined
>
> at Object.exports.load_dt
> (/usr/local/lib/node_modules/bonescript/my.js:55:67)
>
> at Object.newFunction [as serialOpen]
> (/usr/local/lib/node_modules/bonescript/my.js:228:25)
>
> at Object.<anonymous> (/home/debian/nodews/shedrd.js:8:3)
>
> at Module._compile (module.js:456:26)
>
> at Object.Module._extensions..js (module.js:474:10)
>
> at Module.load (module.js:356:32)
>
> at Function.Module._load (module.js:312:12)
>
> at Function.Module.runMain (module.js:497:10)
>
> at startup (node.js:119:16)
>
> at node.js:902:3
>
> debian@beaglebone:~/nodews$
>
> Thanks for the help
>
> Jonathan
>
>
> On Monday, April 7, 2014 1:13:13 PM UTC-4, Jason Kridner wrote:
>>
>>
>>
>> On Thursday, March 27, 2014 4:59:00 PM UTC-4, Mark A. Yoder wrote:
>>>
>>> Nick:
>>> I have some bonescript code that works with the UART, but I'm not
>>> using the built-in bonescript calls. It works fine with a GPS, though I
>>> don't use it to transmit.
>>>
>>> I took would like to see an example that uses the bonescript calls.
>>>
>>
>> I haven't had a chance to try it out as I don't have a device easy to
>> wire-up until later today, but can you try out this live in-a-webpage
>> example at: http://jsfiddle.net/jkridner/AjnJs/
>>
>>
>>
>>> Before ruing the code you need to:
>>>
>>> beagle# *npm install -g serialport*
>>>
>>
>> BoneScript simply uses this same library, so using BoneScript avoids
>> needing to install it.
>>
>>
>>>
>>> beagle# *echo BB-UART4 > /sys/devices/bone_capemgr.*/slots*
>>>
>>
>> BoneScript loads this same overlay for you.
>>
>> A basic listening example would be:
>>
>> var b = require('bonescript');
>> var port = '/dev/ttyO4';
>> var options = {
>> baudrate: 115200
>> };
>>
>> b.serialOpen(port, options, onSerial);
>>
>> function onSerial(x) {
>> if (x.err) {
>> console.log('***ERROR*** ' + JSON.stringify(x));
>> }
>> if (x.event == 'open') {
>> console.log('***OPENED***');
>> }
>> if (x.event == 'data') {
>> console.log(String(x.data));
>> }
>> }
>>
>> To write, you'd do:
>>
>> b.serialWrite(port, data);
>>
>>
>> Hopefully you'll see some value in the simplicity.
>>
>>
>>
>>>
>>> --Mark
>>> #!/usr/bin/env node
>>> // From: https://github.com/voodootikigod/node-serialport
>>> // From: https://github.com/jamesp/node-nmea
>>>
>>> var b = require('bonescript');
>>> var nmea = require('nmea');
>>>
>>> //console.log(b.serialOpen);
>>>
>>> //var sp = b.serialOpen('/dev/ttyO4', {baudrate: 9600} );
>>> // parser: b.serialParsers.readline("\n")});
>>>
>>>
>>> var serialport = require("serialport");
>>> var SerialPort = serialport.SerialPort; // localize object constructor
>>>
>>> var sp = new SerialPort("/dev/ttyO4", {
>>> parser: serialport.parsers.readline("\n")
>>> });
>>>
>>> sp.on("data", function (data) {
>>> console.log("here: "+data);
>>> console.log(nmea.parse(data));
>>> });
>>>
>>>
>>> On Thursday, December 19, 2013 1:49:30 AM UTC-5, Nick Farrell wrote:
>>>>
>>>> I am a newbie to BeagleBone Black(BBB) but have good knowledge about
>>>> Arduino. I would like to know how to open a serial port in BBB using the 4
>>>> UARTs available in BBB using BoneScript library and use cloud9 ide to see
>>>> the serial data on the console. Can anyone help me on this issue.
>>>>
>>>
--
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