> > Am I missing some w2sg004 specific bits here ?
>
> There is particular behaviour that the device is both turned on and turned
> off by toggling a GPIO, and the only way to detect which state it is in is
> to watch the RX uart line (by reconfiguring it as a GPIO).
Ok so it is somewhat differen
On Fri, 12 Dec 2014 08:59:44 +1100
, NeilBrown
wrote:
> This uart-attatched GPS device has a toggle which turns
> both on and off. For reliable use we need to know what
> start it is in.
>
> So it registers with the tty for recv events when the tty
> is open, and optionally configures the RX pi
On Thu, 11 Dec 2014 23:11:00 + One Thousand Gnomes
wrote:
> > +w2sg0004 UART-attached GPS receiver
> > +
>
> I'm wondering why it's tied to the w2sg0004
>
>
> > +struct w2sg_data {
> > + int gpio;
> > + int irq;/* irq line from RX pin when pinctrl
> > +
> +w2sg0004 UART-attached GPS receiver
> +
I'm wondering why it's tied to the w2sg0004
> +struct w2sg_data {
> + int gpio;
> + int irq;/* irq line from RX pin when pinctrl
> + * set to 'idle' */
> + struct regulator *reg;
> +
>
Hi,
On Fri, Dec 12, 2014 at 08:59:44AM +1100, NeilBrown wrote:
> This uart-attatched GPS device has a toggle which turns
> both on and off. For reliable use we need to know what
> start it is in.
I guess you mean "what state it is in"?
> So it registers with the tty for recv events when the tty
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