![]() In this article I will describe how the functions for reading and writing digital I/O are implemented in Arduino and compare the implementation with, which was the original inspiration for Arduino and seems to be written better. If you are interested in such kind of things, read on. I wanted to know why and what can be done to speed them up. It started with the discovery that the functions for writing and reading digital pins are rather slow. Some people even describe it in a less diplomatic way. There are some things which could be handled better. General Question about fast Serial Communication and Arduino. What's the fastest way to periodically communicate via serial? You then read from this variable. 3 can read serial data much, much faster than a. Be as fast as your code can read, but unlike Arduino. Parallel communication as a faster alternative. But when I looked into the sources of the Arduino library, I was a bit disappointed. It is great how quickly you can have things working using the wide code base available elsewhere on the internet. Introduction I like and I use it quite often for prototyping.
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