On Tue, May 13, 2008 at 10:26 AM, Ed Troy <etroy@...> wrote:
> I am using a Verdex board along with a netwifimicro-sd fcc and a
> breakout-gs in a system. I need most of the 20 pins on the connector
> on the breakout-gs to drive a Sony ACX705AKM display. But, I also
> need some pins for general purpose I/O. Can I use the unused pins on
> that connector, like LD00, LD01, LD05, LD06, LD07 and a few others
> for I/O when the bulk of the pins on that connector are being used
> for the display?
Yes - this is exactly what I did with my old ALPS display. In my case
I only needed LDD0 - LDD7 for driving the display, so I reconfigured
LDD8 - LDD15 as GPIOs and used them for various things with no issues
(I was also using the driver in 16bpp mode, even though I only had
8bpp connected... never had any problems).
> Also, if I need some extra I/O pins, and am not
> using, say, nsspclk, nsspframe, and xmiso, could I use gpio_81,
> gpio_82, and gpio_84 for general i/o?
>If so, where is the best sample
> of such code to do this?
Search the wiki for how to use the proc_gpio driver - that is the
easiest way to change how various pins are configured.
> Finally, how can the breakout_gs have 4
> logic level uarts, when the Verdex only has 3?
I'm not totally sure about the # of uarts on the verdex, but the
connex does have 4 (HWUART, STUART, BTUART, and FFUART), and the
breakout-gs is designed to work with both verdex and connex