PIC-based dumb terminal
Charles Douvier writes:
This entry was posted in PIC and tagged PIC18F14K22, terminal.
Okay before you start; I know.. I know.. Because I’m shooting for a VT-100-ish emulation my project is technically an “intelligent” terminal but not in a sense that it runs an embedded OS/IP-based, but in the sense that it decodes ANSI ESC codes.. it’s still a freakn’ dumb terminal in my book.
I’m just about finished with the PC board for this and in the photo below is my proof of concept. All the key’s don’t work yet as I don’t have enough IO without some encoding; the keyboard is an old row/column keyboard I scored off eBay. Because I want to stick with a smaller PIC I’m going to use 74HC series logic to accomplish this, but I was considering switching to CPLD in a version 2.