The general idea is to create a standard name (/dev/input/keypad) for either keypad when it gets plugged in, so the program need not figure out the device name from first principles. This being an embedded system, I can ensure only one keypad will be plugged in at any one time.
Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Maker Business — American startups are having an increasingly smaller share of the market
Wearables — Switch the advantage
Electronics — Don’t float!
Biohacking — Optimizing the Warm Up
Python for Microcontrollers — CircuitPython 3.0.0 released!
No comments yet.
Sorry, the comment form is closed at this time.