|
|
@@ -1,6 +1,6 @@
|
|
|
.\" Automatically generated by Pandoc 2.9.2.1
|
|
|
.\"
|
|
|
-.TH "OPIO" "1" "Aug 2021" "opio v1.0" ""
|
|
|
+.TH "" "" "" "" ""
|
|
|
.hy
|
|
|
.SH NAME
|
|
|
.PP
|
|
|
@@ -8,9 +8,9 @@ opio - Control GPIO pins on OrangePi.
|
|
|
A replacement for WiringPi
|
|
|
.SH SYNOPSIS
|
|
|
.PP
|
|
|
-\f[B]opio\f[R] [-2] readall
|
|
|
+\f[B]opio\f[R] [-2] readall {or status}
|
|
|
.PP
|
|
|
-\f[B]opio\f[R] [-2] readallx
|
|
|
+\f[B]opio\f[R] [-2] readallx {or statusx}
|
|
|
.PP
|
|
|
\f[B]opio\f[R] [-2] exports
|
|
|
.PP
|
|
|
@@ -36,7 +36,7 @@ Running \f[B]opio\f[R] without any parameters will show its usage.
|
|
|
via `sudo'.
|
|
|
.SH COMMANDS
|
|
|
.TP
|
|
|
-\f[B]readall\f[R]
|
|
|
+\f[B]readall\f[R] or \f[B]status\f[R]
|
|
|
Displays the state of the gpio pins in a grid format.
|
|
|
The list includes all the pins used in the on-board 40 pin connector.
|
|
|
For each pin, the listing shows the gpio pin number, its alternate
|
|
|
@@ -44,8 +44,9 @@ function, its i96 pin name, its current \f[I]mode\f[R] and
|
|
|
\f[I]value\f[R], and the corresponding pin number on the 40 pin
|
|
|
connector.
|
|
|
.TP
|
|
|
-\f[B]readallx\f[R]
|
|
|
-Creates a similar chart, but includes the RDA pin names.
|
|
|
+\f[B]readallx\f[R] or \f[B]statusx\f[R]
|
|
|
+Creates a similar chart, but includes the RDA pin names and Linux device
|
|
|
+driver names.
|
|
|
.TP
|
|
|
\f[B]leds\f[R]
|
|
|
Creates a smaller chart, for the interesting I/O pins which are
|
|
|
@@ -54,8 +55,8 @@ On the i96 board, there are 3 LEDs which can be controlled via
|
|
|
\f[B]opio\f[R]
|
|
|
.TP
|
|
|
\f[B]exports\f[R]
|
|
|
-Print a list of entries in /sys/class/gpio, indicating which pins have
|
|
|
-been exported (prepared for read/write).
|
|
|
+Print a list of current entries in /sys/class/gpio, indicating which
|
|
|
+pins have been exported (prepared for read/write).
|
|
|
If a gpio pin exists on the 40 pin connector, the pin number is listed.
|
|
|
.TP
|
|
|
\f[B]mode\f[R]
|
|
|
@@ -66,6 +67,7 @@ then set the direction.
|
|
|
If you set the `alt' function, the export will be removed.
|
|
|
With the \f[B]-d\f[R] option, the export is not created, but the
|
|
|
`in'/`out'/`alt' \f[I]mode\f[R] setting will still be done.
|
|
|
+.IP \[bu] 2
|
|
|
\f[B]mode\f[R] with a pin number and no set-mode request, will simply
|
|
|
return the current \f[I]mode\f[R] (in, out, alt, in*, alt*).
|
|
|
.TP
|
|
|
@@ -155,8 +157,9 @@ The \f[B]exports\f[R] command is always done with \f[I]high level\f[R]
|
|
|
commands.
|
|
|
.PP
|
|
|
Be careful about making changed with the \f[B]-d\f[R] option.
|
|
|
-Some linux gpio drivers will direction and value, so changes you make
|
|
|
-with the \f[B]-d\f[R] option may not be reflected in the export folder.
|
|
|
+Some linux gpio drivers will cache the direction and value, so changes
|
|
|
+you make with the \f[B]-d\f[R] option may not be reflected in the export
|
|
|
+folder.
|
|
|
.SH EXAMPLES
|
|
|
.PP
|
|
|
display a chart of the pin assignments of the 40 pin connector:
|
|
|
@@ -217,5 +220,3 @@ pins.
|
|
|
the LCD.
|
|
|
If you are using an LCD in the socket, do \f[I]not\f[R] change the mode
|
|
|
on pins 38 & 40.
|
|
|
-.SH AUTHORS
|
|
|
-Pat Beirne <patb@pbeirne.com>.
|
