If I understand what you are saying, even if it could be done with the chip
there is no way you can get a usb interrupt. I would
be amazingly glad to find out that I was wrong.
Bruce
On 2/15/19, Paul E Ourada <paul@xxxxxxxxxxxxxxxxxxx> wrote:
> I have a question that I can't seem to find an answer for. I have been
> working with an FTDI 4232H device in bitbang mode for the last 9 months or
> so, among other things, on a Raspberry Pi data collection platform. Most of
> it has been in conjunction with controlling an Exar SP339 transceiver, and a
> FET to control power to the serial device. Pretty easy stuff.
>
> Now my employer wants to read the state of a momentary switch, but without
> having to stand on the device polling it every few milliseconds. I saw that
> the Rpi python GPIO library has a capability to get an event on the Rpi GPIO
> lines.
>
> I know that these are different from the FTDI GPIO lines. But I was
> wondering if anyone had implemented similar event driven functionality using
> libftdi? Or alternatively, could point me in a direction to implement such
> functionality myself? I'd be happy to contribute back to the project, if it
> can be done. From looking at the device docs, I'm not sure it can.
>
> Thanks in advance,
>
>
> Paul E Ourada
>
> Principal/Owner
>
> BluSkai Systems, LLC
>
> paul@xxxxxxxxxxxxxxxxxxx
>
> (m) 303-396-2872
>
>
>
> Paul E Ourada
>
> Principal/Owner
>
> BluSkai Systems, LLC
>
> paul@xxxxxxxxxxxxxxxxxxx
>
> (m) 303-396-2872
>
>
> --
> libftdi - see http://www.intra2net.com/en/developer/libftdi for details.
> To unsubscribe send a mail to libftdi+unsubscribe@xxxxxxxxxxxxxxxxxxxxxxx
>
>
--
libftdi - see http://www.intra2net.com/en/developer/libftdi for details.
To unsubscribe send a mail to libftdi+unsubscribe@xxxxxxxxxxxxxxxxxxxxxxx
|
