Hi all,
I have been working on OpenOCD, which uses libFTDI, and have found an
issue with the way interfaces are declared in libFTDI.
Basically the problem is that I have implemented support for
INTERFACE_ANY in OpenOCD, but there are many devices where it might be
appropriate to have more than one interface available, but not all.
Especially with the FT4232H which has 2 JTAG ports and 2 serial ports.
Hence I would like to suggest that 'ftdi_interface' enumeration should
be changed to allow it to be a bit field as follows:
enum ftdi_interface
{
INTERFACE_ANY = 0,
INTERFACE_A = 1,
INTERFACE_B = 2,
INTERFACE_C = 4,
INTERFACE_D = 8,
};
That way we can make definitions like INTERFACE_A_OR_B = INTERFACE_A |
INTERFACE_B; for the FT4232H.
You can see the discussion on OpenOCD so far at
http://openocd.zylin.com/#change,239
Regards,
Evan Hunter
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