Am 06/10/2011 02:51 AM, schrieb Tomek CEDRO: > Not sure if OUTPUT-HIGH for FT2232 means Hi-Z but most buffers you > mention in those interfaces are tri-state buffers from what I have > seen on ~5 different devices. Tri-state buffers are active-low, so > setting pins to input (Hi-Z) should give Hi-Z on connector in most > cases "Should give" and the assumption that a dongle will probably use a '125-style driver (and that the pullup/pulldown resistor on the enable pin yiels a disabled output) is not enough.
> ... strange designs may require layout-specific quit function but > this is trivial to add :- Then let's do it right in the first place - that means doing a layout-specific deinit. There is nothing strange with positive logic - let's not limit the types of dongles we can support. cu Michael _______________________________________________ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development
