X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=gpio.pl;h=a701ce99375512bc0c1df1553bcc34ff42a34205;hb=e3bcdfdcd8b70430bf522436ae79bfc8f1624fd2;hp=69390e26b1d5fb833860d3d4ea11e8cdd1355643;hpb=c782b57d9cb25e0e7a702e478ec0d064efe69a17;p=x300-pci

diff --git a/gpio.pl b/gpio.pl
index 69390e2..a701ce9 100755
--- a/gpio.pl
+++ b/gpio.pl
@@ -1,12 +1,20 @@
 #!/usr/bin/perl
+use warnings;
+use strict;
+
+package gpio;
+
+use Data::Dump qw(dump);
 
 my @last;
+my $mode;
 
-while(1) {
+sub pins {
 
 my @pcf = `gpio -x pcf8591:120:0x48 readall`;
 my @gpio = `gpio -g readall`;
 my $i = 0;
+
 foreach (@gpio) {
 	chomp;
 #	next unless /\d\s/;
@@ -20,8 +28,17 @@ foreach (@gpio) {
 
 	my $line = $_ . ( shift @pcf || '');
 	chomp $line;
+	my @l = split(/\|/, $line);
+	if ( $#l > 10 ) {
+		no warnings;
+		$mode->{ $l[1]  } = [ $l[4] + 0, $l[2], $l[3] ];
+		$mode->{ $l[11] } = [ $l[8] + 0, $l[10], $l[9] ];
+		$mode->{ $l[13] } = [ $l[14], $l[15] ] if $l[15];
+		#warn "## l = ",dump(@l);
+	}
+	
+
 	if ( $last[$i] && $line ne $last[$i] ) {
-		my @l = split(/\|/, $line);
 		my @o = split(/\|/, $last[$i]);
 		foreach my $i ( 0 .. $#l ) {
 			$l[$i] = "\e[33;7;1m$l[$i]\e[0m" if $l[$i] ne $o[$i];
@@ -32,17 +49,43 @@ foreach (@gpio) {
 	}
 	$last[$i] = $line;
 	$i++;
+
+}
+
+#warn "# mode = ", dump($mode);
+
+} #/gpio
+
+sub pin2dir {
+	my $pin = shift;
+	my ($p) = grep { /$pin/ } keys %$mode;
+warn dump($p);
+	my $dir = $mode->{ $p }->[2];
+	warn "# pin2dir $pin = $dir\n";
+	return $dir;
 }
 
-my $cmd = <STDIN>;
-chomp $cmd;
-if ( $cmd =~ m/^(\d+)$/ ) {
-	my $v = `gpio -g read $1`;
-	warn "# pin $1 ", $v;
-	$v ^= 1;
-	system "gpio -g write $1 $v";
+sub cmd {
+	my $cmd = shift;
+	chomp $cmd;
+	if ( $cmd =~ m/^(\d+)$/ ) {
+		my $pin = $1;
+		system "gpio -g mode $pin out" unless pin2dir($pin) =~ m/OUT/i;
+
+		my $v = `gpio -g read $pin`;
+		warn "# pin $pin ", $v;
+		$v ^= 1;
+		system "gpio -g write $pin $v";
+	}
 }
 
+package main;
+
+return 1 if caller; # used as module
 
-} #/while
+while(1) {
+	gpio::pins();
+	my $cmd = <STDIN>;
+	gpio::cmd($cmd);
+}