shinys000114/wiringPi
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OK. So the Pi v2 I have had older firmware and it wasn't quite

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the same as everyone elses.

This is an interim version which will work on both Pi v1 and v2
boards until I have a bit more time to implement the correct
stuff for v2.
This commit is contained in:
Gordon Henderson
2015-02-03 14:53:32 +00:00
parent 7cb817498e
commit 72b2af231b
6 changed files with 91 additions and 52 deletions
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8
gpio/gpio.1
View File

@@ -185,9 +185,11 @@ Print a list (if any) of all the exported GPIO pins and their current values.
.TP
.B export
Export a GPIO pin in the \fI/sys/class/gpio\fR directory. Use like the
mode command above however only \fIin\fR and \fIout\fR are supported at
this time. Note that the pin number is the \fBBCM_GPIO\fR number and
not the wiringPi number.
mode command above however only \fIin\fR, \fIout\fR, \fIhigh\fR and
\fRlow\fR are supported at this time. Note that the pin number is the
\fBBCM_GPIO\fR number and not the wiringPi number. The \fIhigh\fR and
\fIlow\fR commands pre-set the output value at the same time as the
export to output mode.
Once a GPIO pin has been exported, the \fBgpio\fR program changes the
ownership of the \fI/sys/class/gpio/gpioX/value\fR and if present in

12
gpio/gpio.c
View File

@@ -434,19 +434,23 @@ void doExport (int argc, char *argv [])
exit (1) ;
}
/**/ if ((strcasecmp (mode, "in") == 0) || (strcasecmp (mode, "input") == 0))
/**/ if ((strcasecmp (mode, "in") == 0) || (strcasecmp (mode, "input") == 0))
fprintf (fd, "in\n") ;
else if ((strcasecmp (mode, "out") == 0) || (strcasecmp (mode, "output") == 0))
else if ((strcasecmp (mode, "out") == 0) || (strcasecmp (mode, "output") == 0))
fprintf (fd, "out\n") ;
else if ((strcasecmp (mode, "high") == 0) || (strcasecmp (mode, "up") == 0))
fprintf (fd, "high\n") ;
else if ((strcasecmp (mode, "low") == 0) || (strcasecmp (mode, "down") == 0))
fprintf (fd, "low\n") ;
else
{
fprintf (stderr, "%s: Invalid mode: %s. Should be in or out\n", argv [1], mode) ;
fprintf (stderr, "%s: Invalid mode: %s. Should be in, out, high or low\n", argv [1], mode) ;
exit (1) ;
}
fclose (fd) ;
// Change ownership so the current user can actually use it!
// Change ownership so the current user can actually use it
sprintf (fName, "/sys/class/gpio/gpio%d/value", pin) ;
changeOwner (argv [0], fName) ;

2
gpio/version.h
View File

@@ -1 +1 @@
#define VERSION "2.24"
#define VERSION "2.25"