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Bring up to reality.

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This commit is contained in:
mbalmer 2011-11-13 17:00:04 +00:00
parent afd38e42d9
commit f735fe77b9
1 changed files with 4 additions and 29 deletions
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33
share/man/man4/gpio.4
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@ -1,4 +1,4 @@
.\" $NetBSD: gpio.4,v 1.22 2011/10/06 11:05:42 wiz Exp $
.\" $NetBSD: gpio.4,v 1.23 2011/11/13 17:00:04 mbalmer Exp $
.\" $OpenBSD: gpio.4,v 1.5 2004/11/23 09:39:29 reyk Exp $
.\"
.\" Copyright (c) 2004 Alexander Yurchenko <grange@openbsd.org>
@ -15,7 +15,7 @@
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd October 3, 2011
.Dd November 13, 2011
.Dt GPIO 4
.Os
.Sh NAME
@ -123,31 +123,6 @@ Toggles the pin output value, i.e. changes it to the opposite.
.Fa gp_value
field is ignored and on return contains the old pin state.
.Pp
.It Dv GPIOPULSE (struct gpio_pulse)
Starts pulsing the pin:
.Bd -literal
/* GPIO pulse request */
struct gpio_pulse {
char gp_name[GPIOMAXNAME]; /* pin name */
int gp_pin; /* pin number */
struct timeval gp_pulse_on; /* "on" period */
struct timeval gp_pulse_off; /* "off" period */
};
.Ed
.Pp
The
.Fa gp_name
or
.Fa gp_pin
field must be set before calling.
If
.Fa gp_pulse_on
or
.Fa gp_pulse_off
is set to zero, a default of
.Xr hz 9 / 2
is assumed for both periods.
.Pp
.It Dv GPIOSET (struct gpio_set)
Changes pin configuration flags with the new ones provided in the
.Fa gpio_set
@ -189,8 +164,8 @@ internal pull-down enabled
invert input
.It Dv GPIO_PIN_INVOUT
invert output
.It Dv GPIO_PIN_PULSE
pulse output
.It Dv GPIO_PIN_PULSATE
pulsate output
.El
.Pp
Note that the GPIO controller