Although the typical Arduino programmer is probably not interested in writing assembly code, in some situations assembly programming is essential. Let’s have a look at these situations and see what one can do.
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Doing it the Logical Way
When things go wrong, although your program logic appears to be correct, it is time to look at the signals going into the MCU and coming out of the MCU. The best tool for that is a logic analyzer.
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Debugging(2): It’s the Hardware, Stupid!
When something went south, it is not always the programmer who is to blame. It could also be the hardware (resp. the electrical engineer) that might be responsible. Note, however, when you are developing your system as a hobbyist, you are both: the electrical engineer and the programmer (so you always can blame yourself). In this blog post, we will have a look at some of the things that can go wrong on the hardware side.