My application uses a beaglebone black rev C. The application is written in
python and uses serial ports, Adafruit_BBIO.PWM and GPIO and is started by
systemctl as a service. There is no graphical interface, just an LCD
controlled with GPIO. It takes 90 seconds after boot up before the program
sounds the 'greeting' with PWM. I need to reduce this to <10 seconds. I had
high hopes for an older 2Gb image, but I think it predated the universal
cape and I was having trouble getting it to work. There is also an IOT
image, but some gpio's didn't work. After update_kernal.sh the gpio's
worked and I'm on 4.14.108. I'm not sure this is even the IOT image
anymore. I've tried various tweaks I've found on the web without much
success. Can I make a standard image work and if so how? Must I create my
own image? Where do I start? Thank you, Mike.
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