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#!/usr/bin/perl
use strict;
use Data::Dumper qw(Dumper);
# See Kenwood TKR Manual Page 53 Table 20-3
my %tkrchansel = (
'1' => { '1' => '0', '2' => '1', '3' => '1', '4' => '1' },
'2' => { '1' => '1', '2' => '0', '3' => '1', '4' => '1' },
'3' => { '1' => '0', '2' => '0', '3' => '1', '4' => '1' },
'4' => { '1' => '1', '2' => '1', '3' => '0', '4' => '1' },
'5' => { '1' => '0', '2' => '1', '3' => '0', '4' => '1' },
'6' => { '1' => '1', '2' => '0', '3' => '0', '4' => '1' },
'7' => { '1' => '0', '2' => '0', '3' => '0', '4' => '1' },
'8' => { '1' => '1', '2' => '1', '3' => '1', '4' => '0' },
'9' => { '1' => '0', '2' => '1', '3' => '1', '4' => '0' },
'10' => { '1' => '1', '2' => '0', '3' => '1', '4' => '0' },
'11' => { '1' => '0', '2' => '0', '3' => '1', '4' => '0' },
'12' => { '1' => '1', '2' => '1', '3' => '0', '4' => '0' },
'13' => { '1' => '0', '2' => '1', '3' => '0', '4' => '0' },
'14' => { '1' => '1', '2' => '0', '3' => '0', '4' => '0' },
'15' => { '1' => '0', '2' => '0', '3' => '0', '4' => '0' },
'16' => { '1' => '1', '2' => '1', '3' => '1', '4' => '1' },
);
my ($chan) = @ARGV;
if( ! defined($chan) ){
print STDERR "Usage: tkr-chansel CHANNUM\n";
exit 1;
}
if($chan =~ m/\D/ || $chan < 1 || $chan > 16){
print STDERR "Usage: tkr-chansel CHANNUM\n";
print STDERR "CHANNUM must be between 1 and 16\n";
exit 1;
}
for( my $i = 3; $i <= 6; $i++ ){
`gpio mode $i output`;
`gpio write $i 0`;
}
for( my $pin = 3; $pin <= 6; $pin++ ){
my $cmd = sprintf(
"gpio write %i %i",
$pin,
$tkrchansel{$chan}{$pin - 2}
);
system($cmd);
}
exit 0;
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