18 Jan
2012
18 Jan
'12
11:42 a.m.
On 1/18/2012 12:57 PM, Curt @ Atari Museum wrote:
There are a lot of adapters (Atmel and PIC) that will
take a PS/2
keybaord and make it into a USB device.... those would be a very good
start as you'd have 1/2 of the work down, next you'd want to guy the
VUSB core out of the code, then take the input from the PS/2 and set
of the ports of the microcontroller for output, setup a row and column
and create your matrix and then build the hardware with some diodes
for the outputs to avoid debounce and and other issues.
I don't have an issue
with the electronics per se. My main stumbling
block is the lack cheap uCs that are USB "host" mode capable. For
example, the atmega32u2 is USB device mode capable, but not host mode.
Host mode capable devices are larger and more expensive.
Jim