Hi, it looks like you also raised this issue on github:
https://github.com/adafruit/adafruit-beaglebone-io-python/issues/168

I prefer to continue the conversation inside that issue and have replied there.

thanks,
drew

On Mon, Oct 2, 2017 at 3:39 PM, Mala Dies <[email protected]> wrote:
> Hello,
>
> I noticed that PWM, P8_13, on the BBBW is having issues with the
> Adafruit_BBIO framework. I have this software I found within a book I
> purchased, "Getting Started with BeagleBone" (Richardson 2014). Anyway, The
> software works without me using PWM but I would like to use PWM to make a
> LED go bright to dim just by using the web page format found via Flask (a
> Python Module). The error I incurred while running this software was this
> and only this: RuntimeError: Problem with a sysfs file.
>
> So, here is the software:
>
>     from flask import Flask, render_template
>     app = Flask(__name__)
>     import Adafruit_BBIO.GPIO as GPIO
>     import Adafruit_BBIO.PWM as PWM
>
>     PWM.start("P8_13", 0.0)
>
>     @app.route("/")
>     def hello():
>         if GPIO.input(P8_11):
>             doorStatus = "open"
>         else:
>             doorStatus = "closed"
>         templateData = {
>             'doorStatus': doorStatus,
>         }
>         return render_template('main-door.html', **templateData)
>
>     @app.route('/ledLevel/<level>')
>     def pin_state(level):
>         PWM.set_duty_cycle("P8_13", float(level))
>         return "LED level set to " + "."
>
>     if __name__ == "__main__":
>         app.run(host='192.168.7.2', port=5000, debug=True)
>
> So, please give advice or if you are using Adafruit_BBIO, please allow me
> some "behind-the-scenes" look at the software to change to get things
> "cracking."
>
> Seth
>
> P.S. I am sure there is a cure. Direct me to the software and I can start on
> it. I found a link to the sourceforge items and software. Is this where I
> should begin?
>
> --
> For more options, visit http://beagleboard.org/discuss
> ---
> You received this message because you are subscribed to the Google Groups
> "BeagleBoard" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/beagleboard/a1177a92-8161-40bb-ac4d-1d75b6f63d78%40googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.

-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
"BeagleBoard" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To view this discussion on the web visit 
https://groups.google.com/d/msgid/beagleboard/CAEf4M_AmMfrsQo1SxGGZw%3DnXi9-BjCNEJH0dzTqqO2YhL_f%2B3w%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to