nes-proj/tools/mc1322x-load.pl

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2.8 KiB
Perl
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#!/usr/bin/perl -w
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use Device::SerialPort;
use Term::ReadKey;
use Getopt::Long;
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use Time::HiRes qw(usleep);
use strict;
my $filename = '';
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my $second = '';
my $term = '/dev/ttyUSB0';
my $baud = '115200';
my $verbose;
my $rts = 'rts';
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GetOptions ('file=s' => \$filename,
'secondfile=s' => \$second,
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'terminal=s' => \$term,
'verbose' => \$verbose,
'baud=s' => \$baud,
'rts=s' => \$rts,
) or die 'bad options';
$| = 1;
if($filename eq '') {
print "Example usage: mc1322x-load.pl -f foo.bin -t /dev/ttyS0 -b 9600\n";
print " or : mc1322x-load.pl -f flasher.bin -s flashme.bin 0x1e000,0x11223344,0x55667788\n";
print " -f required: binary file to load\n";
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print " -s optional: secondary binary file to send\n";
print " -t default: /dev/ttyUSB0\n";
print " -b default: 115200\n";
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print " -r [none|rts] flow control default: rts\n";
print " anything on the command line is sent\n";
print " after all of the files.\n";
exit;
}
if (!(-e $filename)) { die "file $filename not found\n"; }
if (($second ne '') && !(-e $second)) { die "secondary file $second not found\n"; }
my $ob = Device::SerialPort->new ($term) or die "Can't start $term\n";
# next test will die at runtime unless $ob
$ob->baudrate($baud);
$ob->parity('none');
$ob->databits(8);
$ob->stopbits(1);
if($rts eq 'rts') {
$ob->handshake('rts');
} else {
$ob->handshake('none');
}
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$ob->read_const_time(1000); # 1 second per unfulfilled "read" call
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$ob->rts_active(1);
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my $s = 0;
while(1) {
my $c; my $count; my $ret = ''; my $test='';
if($s == 1) { print "secondary send...\n"; }
$ob->write(pack('C','0'));
if($s == 1) {
$test = 'ready';
} else {
$test = 'CONNECT';
}
until($ret =~ /$test$/) {
($count,$c) = $ob->read(1);
if ($count == 0) {
print '.';
$ob->write(pack('C','0'));
next;
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}
$ret .= $c;
}
print $ret . "\n";
if (-e $filename) {
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my $size = -s $filename;
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print ("Size: $size bytes\n");
$ob->write(pack('V',$size));
open(FILE, $filename) or die($!);
print "Sending $filename\n";
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my $i = 1;
while(read(FILE, $c, 1)) {
$i++;
usleep(50); # this is as fast is it can go...
usleep(50) if ($s==1);
$ob->write($c);
}
}
last if ($s==1);
if((-e $second)) {
$s=1; $filename = $second;
} else {
last;
}
}
print "done sending files.\n";
if(scalar(@ARGV)!=0) {
print "sending " ;
print @ARGV;
print ",\n";
$ob->write(@ARGV);
$ob->write(',');
}
my $c; my $count;
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while(1) {
($count, $c) = $ob->read(1);
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print $c if (defined($count) && ($count != 0));
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}
$ob -> close or die "Close failed: $!\n";
ReadMode 0;
undef $ob; # closes port AND frees memory in perl
exit;