>>>>> "evan" == evan <evan@xxxxxxxxxxx> writes:
evan> Hi all,
evan> I have been working on OpenOCD, which uses libFTDI, and have found
evan> an issue with the way interfaces are declared in libFTDI.
evan> Basically the problem is that I have implemented support for
evan> INTERFACE_ANY in OpenOCD, but there are many devices where it
evan> might be appropriate to have more than one interface available,
evan> but not all. Especially with the FT4232H which has 2 JTAG ports
evan> and 2 serial ports.
evan> Hence I would like to suggest that 'ftdi_interface' enumeration
evan> should be changed to allow it to be a bit field as follows:
evan> enum ftdi_interface { INTERFACE_ANY = 0, INTERFACE_A = 1,
evan> INTERFACE_B = 2, INTERFACE_C = 4, INTERFACE_D = 8, };
evan> That way we can make definitions like INTERFACE_A_OR_B =
evan> INTERFACE_A | INTERFACE_B; for the FT4232H.
evan> You can see the discussion on OpenOCD so far at
evan> http://openocd.zylin.com/#change,239
The proposal seems sensible, but will impact some users that already use
INTERFACE_C and INTERFACE_D.
Any thoughts how to keep the impact small?
Bye
--
Uwe Bonnes bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
--
libftdi - see http://www.intra2net.com/en/developer/libftdi for details.
To unsubscribe send a mail to libftdi+unsubscribe@xxxxxxxxxxxxxxxxxxxxxxx
|
