#!/usr/bin/perl
+use warnings;
+use strict;
+
+package gpio;
+
+use Data::Dump qw(dump);
my @last;
+my $mode;
-while(1) {
+sub pins {
-my @o;
my @pcf = `gpio -x pcf8591:120:0x48 readall`;
my @gpio = `gpio -g readall`;
+my $i = 0;
+
foreach (@gpio) {
chomp;
# next unless /\d\s/;
s/([ \d]{2})(...GPIO.)../$1$2$1/;
s/(GPIO.)..(...)(\s*\d+)/$1$3$2$3/;
- push @o, $_;
- print $_, shift @pcf || "\n";
+ 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 @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];
+ }
+ print join('|', @l), "|\n";
+ } else {
+ print "$line\n";
+ }
+ $last[$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;
+}
+
+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";
+ }
}
-my $cmd = <STDIN>;
+package main;
+
+return 1 if caller; # used as module
-} #/while
+while(1) {
+ gpio::pins();
+ my $cmd = <STDIN>;
+ gpio::cmd($cmd);
+}