nes-proj/mc1322x-load.pl

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1.5 KiB
Perl
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#!/usr/bin/perl -w
use Device::SerialPort 0.05;
use Term::ReadKey;
use Getopt::Long;
use strict;
my $filename = '';
my $term = '/dev/ttyUSB0';
my $baud = '115200';
my $verbose;
GetOptions ('file=s' => \$filename,
'terminal' => \$term,
'verbose' => \$verbose,
'baud=s' => \$baud);
$| = 1;
if($filename eq '') {
print "Example usage: mc1322x-load.pl -f foo.bin -t /dev/ttyS0 -b 9600\n";
print " -f required: binary file to load\n";
print " -t default: /dev/ttyUSB0\n";
print " -b default: 115200\n";
exit;
}
my $ob = Device::SerialPort->new ($term) or die "Can't start $term\n";
# next test will die at runtime unless $ob
$baud = 115200 if (!defined($baud));
$ob->baudrate($baud);
$ob->parity('none');
$ob->databits(8);
$ob->stopbits(1);
$ob->handshake("rts");
my $c;
$ob->write(pack('C','0'));
my $ret = '';
until($ret eq 'CONNECT') {
$c = $ob->input;
$ret .= $c;
}
print $ret . "\n";
if (defined $filename) {
my $size = -s $filename;
print ("Size: $size bytes\n");
$ob->write(pack('V',$size));
open(FILE, $filename) or die($!);
print "Sending $filename\n";
my $i = 1;
while(read(FILE, $c, 1)) {
print unpack('H',$c) . unpack('h',$c) if $verbose;
print "\n" if ($verbose && ($i%4==0));
$i++;
select undef, undef, undef, 0.001;
$ob->write($c);
}
}
print "done.\n";
$ob -> close or die "Close failed: $!\n";
ReadMode 0;
undef $ob; # closes port AND frees memory in perl
exit;