nes-proj/cpu/mc1322x/tools/mc1322x-load.pl

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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';
my $command = '';
my $first_delay = 50;
my $second_delay = 100;
my $do_exit;
my $zerolen;
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GetOptions ('file=s' => \$filename,
'secondfile=s' => \$second,
'zerolen' => \$zerolen,
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'terminal=s' => \$term,
'verbose' => \$verbose,
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'u|baud=s' => \$baud,
'rts=s' => \$rts,
'command=s' => \$command,
'a=s' => \$first_delay,
'b=s' => \$second_delay,
'exit' => \$do_exit,
) 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 " or : mc1322x-load.pl -f flasher.bin -z 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 " -z optional: send a zero length file as secondary\n";
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print " -t, terminal default: /dev/ttyUSB0\n";
print " -u, --baud baud rate default: 115200\n";
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print " -r [none|rts] flow control default: rts\n";
print " -c command to run for autoreset: \n";
print " e.g. -c 'bbmc -l redbee-econotag -i 0 reset'\n";
print " -e exit instead of dropping to terminal display\n";
print " -a first intercharacter delay, passed to usleep\n";
print " -b second intercharacter delay, passed to usleep\n";
print "\n";
print "anything on the command line is sent\n";
print "after all of the files.\n\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;
my $reset = 0;
my $size = 0;
while(1) {
my $c; my $count; my $ret = ''; my $test='';
if($s == 1) { print "secondary send...\n"; }
$ob->write(pack('C','0'));
if(($command ne '') &&
($reset eq 0)) {
$reset++;
system($command);
}
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 $filename || (defined($zerolen) && ($s == 1))) {
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if(defined($zerolen) && ($s == 1)) {
$size = 0;
} else {
$size = -s $filename;
}
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print ("Size: $size bytes\n");
$ob->write(pack('V',$size));
if(($s == 0) ||
((!defined($zerolen)) && ($s == 1))) {
open(FILE, $filename) or die($!);
print "Sending $filename\n";
my $i = 1;
while(read(FILE, $c, 1)) {
$i++;
usleep($first_delay) if ( $s == 0 ) && ($first_delay != 0);
usleep($second_delay) if ( $s == 1 ) && ($second_delay != 0);
$ob->write($c);
}
}
}
last if ($s==1);
if((-e $second) || defined($zerolen)) {
$s=1; $filename = $second;
} else {
last;
}
}
print "done sending files.\n";
if(scalar(@ARGV)!=0) {
print "sending " ;
print @ARGV;
print ",\n";
$ob->write(@ARGV);
$ob->write(',');
}
if(defined($do_exit)) {
exit;
}
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;