Emulating Parallel Port using Timer and DMA Part 2.2: Input mode
In the second section of part 2 of parallel port emulation, we shall see how to read the data being transmitted and display the…
Parallel I/O
Parallel data buses and strobe signals implemented with GPIO/timers/DMA.
3 articles
Articles
Emulating Parallel Port using Timer and DMA Part 2.1: Adding Strobe Signal to Output
In the previous guide (here), we took a look at what is parallel port and successfully send byte of data using timer and DMA.…
Emulating Parallel Port using Timer and DMA Part 1: Output
In this guide, we shall emulate the parallel output that had been used before to communicate with printers which eventually replaced with serial port…