Michael Plante skrev 2010-10-07 17:54:
Mikael Krus wrote:
I have a FT2232H chip where I intend to use interface_B in MPSSE mode.
If I use ftdi_set_interface() specifying INTERFACE_B, later on when
closing the device I always get an error (-1) but with error string set
to: all fine.
This only happens with INTERFACE_B not INTERFACE_A.
Why does this happen?
Am I misunderstanding something?
I'll try to attach my piece of code.
You need to call ftdi_set_interface before calling ftdi_usb_open_dev.
You've opened A, but then tried to close B.
Oh, so lets say I want to use both interfaces (A and B), I need to open
them separately and keep one context for each interface?
Thanks for your help, I'm quite new to this!
Michael
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