Thanks for all the responses, I'm going to give it a try.
On GNU/Linux, [hid] will work with PS/2 because the Linux input event system is a single unified system for almost all techniques of HID devices, including: PS/2, AT, USB HID, ADB, etc.
On Aug 16, 2011, at 8:48 AM, Simon Wise wrote:
On 16/08/11 18:53, Richie Cyngler wrote:
That's a good idea but my computer doesn't have a PS/2 input.
[hid] is for usb, maybe [comport] would work with PS/2 if you used a PS/2 to usb connector??? or one of the older mouse objects? not sure, maybe the PS/2 to usb connector means that the trackball becomes a usb mouse?
If it does appear as a usb mouse then [hid] can certainly connect to it directly, which will probably be what you want.
You will need to do a few settings to your X setup, or your system, to make sure that the trackball does not become a mouse for the whole system.
With the Arduino, if the data is simple, then it'd probably be easiest to just send it and then receive it with [comport]. It would also be not too hard to make a custom Firmata firmware using the PS/2 lib and Firmata lib in an Arduino sketch. Check the Firmata examples.
.hc
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Richie