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.
