As already discussed in earlier chapters, the big problem with input is that it happens when it wants to and usually not when you decide. What this means is that you usually have to check for input ...

Asynchronous programming is very much a part of interfacing with the real world. Things that happen in the real world happen much slower than the processor can obey instructions. When you initiate an ...

Traditionally programmers and organizations have had an irrational fear of using interrupts. One might think that statement is facetious but on more than one occasion in the last year the author has ...

Just as you can often treat device registers as a memory-mapped struct, you can treat an interrupt vector as a memory-mapped array. In my last column, I suggested that you use casts sparingly and with ...