This is a blog about serial comms on Gnu/Linux. So, who am I to write a blog about this? Am I an expert? Not at all. It's more my journey of learning about programming serial programs on Linux.
My background is as a systems engineer since the mid eighties, on embedded systems, but on bare code, no operating system, so this Linux thing is all a bit new to me. Like most engineers, I've worked on a variety of projects, so my experience tends to jump all over the place. In some areas, I've done lots, and others I've never touched.
As well as programming on Linux, I'll be looking at hardware, fault finding and probably touch on other Unixes, besides Linux.
I'm based in the UK, so my spelling will be British English, so, you'll see things like colour, rather than color.
Why start a blog on serial comms now, isn't serial dead? Well, it might be on desktop PCs, but in industry it's still used for all sorts of things. Barcode readers, comms devices, printers. UPSs, diagnostic terminals. Have a look at the average industrial or embedded PC, and it's quite often bristling with serial ports. Can't these devices use USB or a network connection? Maybe, but sometimes serial is a better design decision. It can be simpler, robuster, or maybe just easier to fault find.
So, here we go into the wonderful world of serial comms on Linux.
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