Debugging with printf is something [StorePeter] has always found super handy, and as a result he’s always been interested in tweaking the process for improvements. This kind of debugging usually has ...

Some software and specialty hardware requires you to use a traditional serial port. Serial ports have been around for decades and work by transferring one bit of data at a time at a relatively slow ...

We still have lots of things that have serial interfaces on them, switches, mangement modules, etc. But we're all out of things that have serial ports. Even the servers who's management modules have a ...

In Part I of this article, I briefly mentioned the generic USB driver in the context of getting a USB device to communicate through it easily, with no custom kernel programming. Unfortunately, I ...

Without some good means of input and output, a computer makes a pretty good doorstop or boat anchor. Once we start plugging things into a computer, however, it can receive data and instructions, ...

Although serial port connections have been replaced by USB ports in most computers, older business equipment such as fax machines and printers may still utilize them. When a serial port stops ...

We know, you’ve already got a USB to serial adapter. Probably several of them, in fact. But that doesn’t mean you couldn’t use one more — especially when it’s as as cleverly designed as this one from ...

In my last column [see LJ December 2002], we covered the serial layer in the 2.5 (hopefully soon to be 2.6) kernel tree. We mentioned in passing that a USB-to-serial driver layer in the kernel helps ...