8 my @pcf = `gpio -x pcf8591:120:0x48 readall`;
9 my @gpio = `gpio -g readall`;
14 # kill wiringpi mapping columns
18 s/([ \d]{2})(...GPIO.)../$1$2$1/;
19 s/(GPIO.)..(...)(\s*\d+)/$1$3$2$3/;
22 print $_, shift @pcf || "\n";
27 if ( $cmd =~ m/^(\d+)$/ ) {
28 my $v = `gpio -g read $1`;
31 system "gpio -g write $1 $v";