Hi Rich What hardware platform are you using?
Regards, Henno On Mon, Apr 16, 2012 at 9:00 PM, Rich Lacasse <[email protected]> wrote: > Hi All, > > I'm looking for a way to make FPGA GPIO A a bidirectional bus, controlled > by a "R/W" line that would be input on FPGA GPIO B. Looking at the > schematic, I see that the connector pins are driven by bidirectional > buffers with direction control coming from the Xilinx. So at the hardware > level, this ought to be possible. However, I cannot find a way to control > the directionality within the Simulink/CASPER development tools. It seems > like you can pick either input or output , but not bidirectional for > GPIO[AB]. Has anyone else ever tried to make one of these 8-bit buses > bidirectional? Is there a way, given the constraints of the design tools? > > thanks! > Rich > > -- Henno Kriel FPGA Engineer Digital Back End meerKAT SKA South Africa Third Floor The Park Park Road (off Alexandra Road) Pinelands 7405 Western Cape South Africa Latitude: -33.94329 (South); Longitude: 18.48945 (East). (p) +27 (0)21 506 7300 (p) +27 (0)21 506 7365 (direct) (f) +27 (0)21 506 7375 (m) +27 (0)84 504 5050
