Re: [Gumstix-users] I2C_IO_SetGPIO

[Chris S. <chr...@gm...>]

Dave

thanks.  That was it.

Chris

On 3/19/06, Dave Hylands <dhy...@gm...> wrote:
> Hi Chris,
>
> > The following snippet runs without error, but doesn't change the pin.
> > Any clues?
> >
> > Chris
> >
> > #define PORTG           (0x65       )   // _SFR_MEM8(0x65) // mem
> > #define DRIVE_PIN       0x0
> > #define DRIVE_ON        0x0
> > #define DRIVE_OFF       0x1
> >
> > for (i =3D 0; i < count; i++) {
> >         SetPin(PORTG, DRIVE_PIN, DRIVE_OFF);
> >         sleep(1);
> >         SetPin(PORTG, DRIVE_PIN, DRIVE_ON);
> > }
>
> Sorry about the confusion. The port that's passed to I2C_IO_SetGPIO
> and I2C_IO_SetGPIODir is a number between 0 and 7, where 0 =3D PORTA ...
> and 7 =3D PORTG.
>
> I see I added a note in robostix/Shared/i2c-io.h (which documents the
> data actually passed over i2c), but I don't have any similar comments
> in i2c-io-api.c
>
> --
> Dave Hylands
> Vancouver, BC, Canada
> http://www.DaveHylands.com/
>
>
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