#!/usr/bin/perl
# DVB firmware extractor
#
# (c) 2004 Andrew de Quincey
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
use File::Temp qw/ tempdir /;
use IO::Handle;
@components = ( "sp8870", "sp887x", "tda10045", "tda10046",
"tda10046lifeview", "av7110", "dec2000t", "dec2540t",
"dec3000s", "vp7041", "dibusb", "nxt2002", "nxt2004",
"or51211", "or51132_qam", "or51132_vsb", "bluebird",
"opera1", "cx231xx", "cx18", "cx23885", "pvrusb2", "mpc718",
"af9015", "ngene", "az6027", "lme2510_lg", "lme2510c_s7395",
"lme2510c_s7395_old");
# Check args
syntax() if (scalar(@ARGV) != 1);
$cid = $ARGV[0];
# Do it!
for ($i=0; $i < scalar(@components); $i++) {
if ($cid eq $components[$i]) {
$outfile = eval($cid);
die $@ if $@;
print STDERR <<EOF;
Firmware(s) $outfile extracted successfully.
Now copy it(them) to either /usr/lib/hotplug/firmware or /lib/firmware
(depending on configuration of firmware hotplug).
EOF
exit(0);
}
}
# If we get here, it wasn't found
print STDERR "Unknown component \"$cid\"\n";
syntax();
# ---------------------------------------------------------------
# Firmware-specific extraction subroutines
sub sp8870 {
my $sourcefile = "tt_Premium_217g.zip";
my $url = "http://www.softwarepatch.pl/9999ccd06a4813cb827dbb0005071c71/$sourcefile";
my $hash = "53970ec17a538945a6d8cb608a7b3899";
my $outfile = "dvb-fe-sp8870.fw";
my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
checkstandard();
wgetfile($sourcefile, $url);
unzip($sourcefile, $tmpdir);
verify("$tmpdir/software/OEM/HE/App/boot/SC_MAIN.MC", $hash);
copy("$tmpdir/software/OEM/HE/App/boot/SC_MAIN.MC", $outfile);
$outfile;
}
sub sp887x {
my $sourcefile = "Dvbt1.3.57.6.zip";
my $url = "http://www.avermedia.com/software/$sourcefile";
my $cabfile = "DVBT Net Ver1.3.57.6/disk1/data1.cab";
my $hash = "237938d53a7f834c05c42b894ca68ac3";
my $outfile = "dvb-fe-sp887x.fw";
my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
checkstandard();
checkunshield();
wgetfile($sourcefile, $url);
unzip($sourcefile, $tmpdir);
unshield("$tmpdir/$cabfile", $tmpdir);
verify("$tmpdir/ZEnglish/sc_main.mc", $hash);
copy("$tmpdir/ZEnglish/sc_main.mc", $outfile);
$outfile;
}
sub tda10045 {
my $sourcefile = "tt_budget_217g.zip";
my $url = "http://www.technotrend.de/new/217g/$sourcefile";
my $hash = "2105fd5bf37842fbcdfa4bfd58f3594a";
my $outfile = "dvb-fe-tda10045.fw";
my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
checkstandard();
wgetfile($sourcefile, $url);
unzip($sourcefile, $tmpdir);
extract("$tmpdir/software/OEM/PCI/App/ttlcdacc.dll", 0x37ef9, 30555, "$tmpdir/fwtmp");
verify("$tmpdir/fwtmp", $hash);
copy("$tmpdir/fwtmp", $outfile);
$outfile;
}
sub tda10046 {
my $sourcefile = "TT_PCI_2.19h_28_11_2006.zip";
my $url = "http://technotrend.com.ua/download/software/219/$sourcefile";
my $hash = "6a7e1e2f2644b162ff0502367553c72d";
my $outfile = "dvb-fe-tda10046.fw";
my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
checkstandard();
wgetfile($sourcefile, $url);
unzip($sourcefile, $tmpdir);
extract("$tmpdir/TT_PCI_2.19h_28_11_2006/software/OEM/PCI/App/ttlcdacc.dll", 0x65389, 24478, "$tmpdir/fwtmp");
verify("$tmpdir/fwtmp", $hash);
copy("$tmpdir/fwtmp", $outfile);
$outfile;
}
sub tda10046lifeview {
my $sourcefile = "7%5Cdrv_2.11.02.zip";
my $url = "http://www.lifeview.hk/dbimages/document/$sourcefile";
my $hash = "1ea24dee4eea8fe971686981f34fd2e0";
my $outfile = "dvb-fe-tda10046.fw";
my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
checkstandard();
wgetfile($sourcefile, $url);
unzip($sourcefile, $tmpdir);
extract("$tmpdir/LVHybrid.sys", 0x8b088, 24602, "$tmpdir/fwtmp");
verify("$tmpdir/fwtmp", $hash);
copy("$tmpdir/fwtmp", $outfile);
$outfile;
}
sub av7110 {
my $sourcefile = "dvb-ttpci-01.fw-261d";
my $url = "http://www.linuxtv.org/downloads/firmware/$sourcefile";
my $hash = "603431b6259715a8e88f376a53b64e2f";
my $outfile = "dvb-ttpci-01.fw";
checkstandard();
wgetfile($sourcefile, $url);
verify($sourcefile, $hash);
copy($sourcefile, $outfile);
$outfile;
}
sub dec2000t {
my $sourcefile = "dec217g.exe";
my $url = "http://hauppauge.lightpath.net/de/$sourcefile";
my $hash = "bd86f458cee4a8f0a8ce2d20c66215a9";
my $outfile = "dvb-ttusb-dec-2000t.fw";
my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
checkstandard();
wgetfile($sourcefile, $url);
unzip($sourcefile, $tmpdir);
verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_T.bin", $hash);
copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_T.bin", $outfile);
$outfile;
}
sub dec2540t {
my $sourcefile = "dec217g.exe";
my $url = "http://hauppauge.lightpath.net/de/$sourcefile";
my $hash = "53e58f4f5b5c2930beee74a7681fed92";
my $outfile = "dvb-ttusb-dec-2540t.fw";
my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
checkstandard();
wgetfile($sourcefile, $url);
unzip($sourcefile, $tmpdir);
verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_X.bin", $hash);
copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_X.bin", $outfile);
$outfile;
}
sub dec3000s {
my $sourcefile = "dec217g.exe";
my $url = "http://hauppauge.lightpath.net/de/$sourcefile";
my $hash = "b013ececea83f4d6d8d2a29ac7c1b448";
my $outfile = "dvb-ttusb-dec-3000s.fw";
my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
checkstandard();
wgetfile($sourcefile, $url);
unzip($sourcefile, $tmpdir);
verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_S.bin", $hash);
copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_S.bin", $outfile);
$outfile;
}
sub opera1{
my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 0);
checkstandard();
my $fwfile1="dvb-usb-opera1-fpga-01.fw";
my $fwfile2="dvb-usb-opera-01.fw";
extract("2830SCap2.sys", 0x62e8, 55024, "$tmpdir/opera1-fpga.fw");
extract("2830SLoad2.sys",0x3178,0x3685-0x3178,"$tmpdir/fw1part1");
extract("2830SLoad2.sys",0x0980,0x3150-0x0980,"$tmpdir/fw1part2");
delzero("$tmpdir/fw1part1","$tmpdir/fw1part1-1");
delzero("$tmpdir/fw1part2","$tmpdir/fw1part2-1");
verify("$tmpdir/fw1part1-1","5e0909858fdf0b5b09ad48b9fe622e70");
verify("$tmpdir/fw1part2-1","d6e146f321427e931df2c6fcadac37a1");
verify("$tmpdir/opera1-fpga.fw","0f8133f5e9051f5f3c1928f7e5a1b07d");
my $RES1="\x01\x92\x7f\x00\x01\x00";
my $RES0="\x01\x92\x7f\x00\x00\x00";
my $DAT1="\x01\x00\xe6\x00\x01\x00";
my $DAT0="\x01\x00\xe6\x00\x00\x00";
open FW,">$tmpdir/opera.fw";
print FW "$RES1";
print FW "$DAT1";
print FW "$RES1";
print FW "$DAT1";
appendfile(FW,"$tmpdir/fw1part1-1");
print FW "$RES0";
print FW "$DAT0";
print FW "$RES1";
print FW "$DAT1";
appendfile(FW,"$tmpdir/fw1part2-1");
print FW "$RES1";
print FW "$DAT1";
print FW "$RES0";
print FW "$DAT0";
copy ("$tmpdir/opera1-fpga.fw",$fwfile1);
copy ("$tmpdir/opera.fw",$fwfile2);
$fwfile1.",".$fwfile2;
}
sub vp7041 {
my $sourcefile = "2.422.zip";
my $url = "http://www.twinhan.com/files/driver/USB-Ter/$sourcefile";
my $hash = "e88c9372d1f66609a3e7b072c53fbcfe";
my $outfile = "dvb-vp7041-2.422.fw";
my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
checkstandard();
wgetfile($sourcefile, $url);
unzip($sourcefile, $tmpdir);
extract("$tmpdir/VisionDTV/Drivers/Win2K&XP/UDTTload.sys", 12503, 3036, "$tmpdir/fwtmp1");
extract("$tmpdir/VisionDTV/Drivers/Win2K&XP/UDTTload.sys", 2207, 10274, "$tmpdir/fwtmp2");
my $CMD = "\000\001\000\222\177\000";
my $PAD = "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000";
my ($FW);
open $FW, ">$tmpdir/fwtmp3";
print $FW "$CMD\001$PAD";
print $FW "$CMD\001$PAD";
appendfile($FW, "$tmpdir/fwtmp1");
print $FW "$CMD\000$PAD";
print $FW "$CMD\001$PAD";
appendfile($FW, "$tmpdir/fwtmp2");
print $FW "$CMD\001$PAD";
print $FW "$CMD\000$PAD";
close($FW);
verify("$tmpdir/fwtmp3", $hash);
copy("$tmpdir/fwtmp3", $outfile);
$outfile;
}
sub dibusb {
my $url = "http://www.linuxtv.org/downloads/firmware/dvb-usb-dibusb-5.0.0.11.fw";
my $outfile = "dvb-dibusb-5.0.0.11.fw";
my $hash = "fa490295a527360ca16dcdf3224ca243";
checkstandard();
wgetfile($outfile, $url);
verify($outfile,$hash);
$outfile;
}
sub nxt2002 {
my $sourcefile = "Technisat_DVB-PC_4_4_COMPACT.zip";
my $url = "http://www.bbti.us/download/windows/$sourcefile";
my $hash = "476befae8c7c1bb9648954060b1eec1f";
my $outfile = "dvb-fe-nxt2002.fw";
my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
checkstandard();
wgetfile($sourcefile, $url);
unzip($sourcefile, $tmpdir);
verify("$tmpdir/SkyNET.sys", $hash);
extract("$tmpdir/SkyNET.sys", 331624, 5908, $outfile);
$outfile;
}
sub nxt2004 {
my $sourcefile = "AVerTVHD_MCE_A180_Drv_v1.2.2.16.zip";
my $url = "http://www.avermedia-usa.com/support/Drivers/$sourcefile";
my $hash = "111cb885b1e009188346d72acfed024c";
my $outfile = "dvb-fe-nxt2004.fw";
my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
checkstandard();
wgetfile($sourcefile, $url);
unzip($sourcefile, $tmpdir);
verify("$tmpdir/3xHybrid.sys", $hash);
extract("$tmpdir/3xHybrid.sys", 465304, 9584, $outfile);
$outfile;
}
sub or51211 {
my $fwfile = "dvb-fe-or51211.fw";
my $url = "http://linuxtv.org/downloads/firmware/$fwfile";
my $hash = "d830949c771a289505bf9eafc225d491";
checkstandard();
wgetfile($fwfile, $url);
verify($fwfile, $hash);
$fwfile;
}
sub cx231xx {
my $fwfile = "v4l-cx231xx-avcore-01.fw";
my $url = "http://linuxtv.org/downloads/firmware/$fwfile";
my $hash = "7d3bb956dc9df0eafded2b56ba57cc42";
checkstandard();
wgetfile($fwfile, $url);
verify($fwfile, $hash);
$fwfile;
}
sub cx18 {
my $url = "http://linuxtv.org/downloads/firmware/";
my %files = (
'v4l-cx23418-apu.fw' => '588f081b562f5c653a3db1ad8f65939a',
'v4l-cx23418-cpu.fw' => 'b6c7ed64bc44b1a6e0840adaeac39d79',
'v4l-cx23418-dig.fw' => '95bc688d3e7599fd5800161e9971cc55',
);
checkstandard();
my $allfiles;
foreach my $fwfile (keys %files) {
wgetfile($fwfile, "$url/$fwfile");
verify($fwfile, $files{$fwfile});
$allfiles .= " $fwfile";
}
$allfiles =~ s/^\s//;
$allfiles;
}
sub mpc718 {
my $archive = 'Yuan MPC718 TV Tuner Card 2.13.10.1016.zip';
my $url = "ftp://ftp.work.acer-euro.com/desktop/aspire_idea510/vista/Drivers/$archive";
my $fwfile = "dvb-cx18-mpc718-mt352.fw";
my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
checkstandard();
wgetfile($archive, $url);
unzip($archive, $tmpdir);
my $sourcefile = "$tmpdir/Yuan MPC718 TV Tuner Card 2.13.10.1016/mpc718_32bit/yuanrap.sys";
my $found = 0;
open IN, '<', $sourcefile or die "Couldn't open $sourcefile to extract $fwfile data\n";
binmode IN;
open OUT, '>', $fwfile;
binmode OUT;
{
# Block scope because we change the line terminator variable $/
my $prevlen = 0;
my $currlen;
# Buried in the data segment are 3 runs of almost identical
# register-value pairs that end in 0x5d 0x01 which is a "TUNER GO"
# command for the MT352.
# Pull out the middle run (because it's easy) of register-value
# pairs to make the "firmware" file.
local $/ = "\x5d\x01"; # MT352 "TUNER GO"
while (<IN>) {
$currlen = length($_);
if ($prevlen == $currlen && $currlen <= 64) {
chop; chop; # Get rid of "TUNER GO"
s/^\0\0//; # get rid of leading 00 00 if it's there
printf OUT "$_";
$found = 1;
last;
}
$prevlen = $currlen;
}
}
close OUT;
close IN;
if (!$found) {
unlink $fwfile;
die "Couldn't find valid register-value sequence in $sourcefile for $fwfile\n";
}
$fwfile;
}
sub cx23885 {
my $url = "http://linuxtv.org/downloads/firmware/";
my %files = (
'v4l-cx23885-avcore-01.fw' => 'a9f8f5d901a7fb42f552e1ee6384f3bb',
'v4l-cx23885-enc.fw' => 'a9f8f5d901a7fb42f552e1ee6384f3bb',
);
checkstandard();
my $allfiles;
foreach my $fwfile (keys %files) {
wgetfile($fwfile, "$url/$fwfile");
verify($fwfile, $files{$fwfile});
$allfiles .= " $fwfile";
}
$allfiles =~ s/^\s//;
$allfiles;
}
sub pvrusb2 {
my $url = "http://linuxtv.org/downloads/firmware/";
my %files = (
'v4l-cx25840.fw' => 'dadb79e9904fc8af96e8111d9cb59320',
);
checkstandard();
my $allfiles;
foreach my $fwfile (keys %files) {
wgetfile($fwfile, "$url/$fwfile");
verify($fwfile, $files{$fwfile});
$allfiles .= " $fwfile";
}
$allfiles =~ s/^\s//;
$allfiles;
}
sub or51132_qam {
my $fwfile = "dvb-fe-or51132-qam.fw";
my $url = "http://linuxtv.org/downloads/firmware/$fwfile";
my $hash = "7702e8938612de46ccadfe9b413cb3b5";
checkstandard();
wgetfile($fwfile, $url);
verify($fwfile, $hash);
$fwfile;
}
sub or51132_vsb {
my $fwfile = "dvb-fe-or51132-vsb.fw";
my $url = "http://linuxtv.org/downloads/firmware/$fwfile";
my $hash = "c16208e02f36fc439a557ad4c613364a";
checkstandard();
wgetfile($fwfile, $url);
verify($fwfile, $hash);
$fwfile;
}
sub bluebird {
my $url = "http://www.linuxtv.org/download/dvb/firmware/dvb-usb-bluebird-01.fw";
my $outfile = "dvb-usb-bluebird-01.fw";
my $hash = "658397cb9eba9101af9031302671f49d";
checkstandard();
wgetfile($outfile, $url);
verify($outfile,$hash);
$outfile;
}
sub af9015 {
my $sourcefile = "download.ashx?file=57";
my $url = "http://www.ite.com.tw/EN/Services/$sourcefile";
my $hash = "e3f08935158038d385ad382442f4bb2d";
my $outfile = "dvb-usb-af9015.fw";
my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
my $fwoffset = 0x25690;
my $fwlength = 18725;
my ($chunklength, $buf, $rcount);
checkstandard();
wgetfile($sourcefile, $url);
unzip($sourcefile, $tmpdir);
verify("$tmpdir/Driver/Files/AF15BDA.sys", $hash);
open INFILE, '<', "$tmpdir/Driver/Files/AF15BDA.sys";
open OUTFILE, '>', $outfile;
sysseek(INFILE, $fwoffset, SEEK_SET);
while($fwlength > 0) {
$chunklength = 55;
$chunklength = $fwlength if ($chunklength > $fwlength);
$rcount = sysread(INFILE, $buf, $chunklength);
die "Ran out of data\n" if ($rcount != $chunklength);
syswrite(OUTFILE, $buf);
sysread(INFILE, $buf, 8);
$fwlength -= $rcount + 8;
}
close OUTFILE;
close INFILE;
}
sub ngene {
my $url = "http://www.digitaldevices.de/download/";
my $file1 = "ngene_15.fw";
my $hash1 = "d798d5a757121174f0dbc5f2833c0c85";
my $file2 = "ngene_17.fw";
my $hash2 = "26b687136e127b8ac24b81e0eeafc20b";
my $url2 = "http://l4m-daten.de/downloads/firmware/dvb-s2/linux/all/";
my $file3 = "ngene_18.fw";
my $hash3 = "ebce3ea769a53e3e0b0197c3b3f127e3";
checkstandard();
wgetfile($file1, $url . $file1);
verify($file1, $hash1);
wgetfile($file2, $url . $file2);
verify($file2, $hash2);
wgetfile($file3, $url2 . $file3);
verify($file3, $hash3);
"$file1, $file2, $file3";
}
sub az6027{
my $file = "AZ6027_Linux_Driver.tar.gz";
my $url = "http://linux.terratec.de/files/$file";
my $firmware = "dvb-usb-az6027-03.fw";
wgetfile($file, $url);
#untar
if( system("tar xzvf $file $firmware")){
die "failed to untar firmware";
}
if( system("rm $file")){
die ("unable to remove unnecessary files");
}
$firmware;
}
sub lme2510_lg {
my $sourcefile = "LMEBDA_DVBS.sys";
my $hash = "fc6017ad01e79890a97ec53bea157ed2";
my $outfile = "dvb-usb-lme2510-lg.fw";
my $hasho = "caa065d5fdbd2c09ad57b399bbf55cad";
checkstandard();
verify($sourcefile, $hash);
extract($sourcefile, 4168, 3841, $outfile);
verify($outfile, $hasho);
$outfile;
}
sub lme2510c_s7395 {
my $sourcefile = "US2A0D.sys";
my $hash = "b0155a8083fb822a3bd47bc360e74601";
my $outfile = "dvb-usb-lme2510c-s7395.fw";
my $hasho = "3a3cf1aeebd17b6ddc04cebe131e94cf";
checkstandard();
verify($sourcefile, $hash);
extract($sourcefile, 37248, 3720, $outfile);
verify($outfile, $hasho);
$outfile;
}
sub lme2510c_s7395_old {
my $sourcefile = "LMEBDA_DVBS7395C.sys";
my $hash = "7572ae0eb9cdf91baabd7c0ba9e09b31";
my $outfile = "dvb-usb-lme2510c-s7395.fw";
my $hasho = "90430c5b435eb5c6f88fd44a9d950674";
checkstandard();
verify($sourcefile, $hash);
extract($sourcefile, 4208, 3881, $outfile);
verify($outfile, $hasho);
$outfile;
}
# ---------------------------------------------------------------
# Utilities
sub checkstandard {
if (system("which unzip > /dev/null 2>&1")) {
die "This firmware requires the unzip command - see ftp://ftp.info-zip.org/pub/infozip/UnZip.html\n";
}
if (system("which md5sum > /dev/null 2>&1")) {
die "This firmware requires the md5sum command - see http://www.gnu.org/software/coreutils/\n";
}
if (system("which wget > /dev/null 2>&1")) {
die "This firmware requires the wget command - see http://wget.sunsite.dk/\n";
}
}
sub checkunshield {
if (system("which unshield > /dev/null 2>&1")) {
die "This firmware requires the unshield command - see http://sourceforge.net/projects/synce/\n";
}
}
sub wgetfile {
my ($sourcefile, $url) = @_;
if (! -f $sourcefile) {
system("wget -O \"$sourcefile\" \"$url\"") and die "wget failed - unable to download firmware";
}
}
sub unzip {
my ($sourcefile, $todir) = @_;
$status = system("unzip -q -o -d \"$todir\" \"$sourcefile\" 2>/dev/null" );
if ((($status >> 8) > 2) || (($status & 0xff) != 0)) {
die ("unzip failed - unable to extract firmware");
}
}
sub unshield {
my ($sourcefile, $todir) = @_;
system("unshield x -d \"$todir\" \"$sourcefile\" > /dev/null" ) and die ("unshield failed - unable to extract firmware");
}
sub verify {
my ($filename, $hash) = @_;
my ($testhash);
open(CMD, "md5sum \"$filename\"|");
$testhash = <CMD>;
$testhash =~ /([a-zA-Z0-9]*)/;
$testhash = $1;
close CMD;
die "Hash of extracted file does not match!\n" if ($testhash ne $hash);
}
sub copy {
my ($from, $to) = @_;
system("cp -f \"$from\" \"$to\"") and die ("cp failed");
}
sub extract {
my ($infile, $offset, $length, $outfile) = @_;
my ($chunklength, $buf, $rcount);
open INFILE, "<$infile";
open OUTFILE, ">$outfile";
sysseek(INFILE, $offset, SEEK_SET);
while($length > 0) {
# Calc chunk size
$chunklength = 2048;
$chunklength = $length if ($chunklength > $length);
$rcount = sysread(INFILE, $buf, $chunklength);
die "Ran out of data\n" if ($rcount != $chunklength);
syswrite(OUTFILE, $buf);
$length -= $rcount;
}
close INFILE;
close OUTFILE;
}
sub appendfile {
my ($FH, $infile) = @_;
my ($buf);
open INFILE, "<$infile";
while(1) {
$rcount = sysread(INFILE, $buf, 2048);
last if ($rcount == 0);
print $FH $buf;
}
close(INFILE);
}
sub delzero{
my ($infile,$outfile) =@_;
open INFILE,"<$infile";
open OUTFILE,">$outfile";
while (1){
$rcount=sysread(INFILE,$buf,22);
$len=ord(substr($buf,0,1));
print OUTFILE substr($buf,0,1);
print OUTFILE substr($buf,2,$len+3);
last if ($rcount<1);
printf OUTFILE "%c",0;
#print $len." ".length($buf)."\n";
}
close(INFILE);
close(OUTFILE);
}
sub syntax() {
print STDERR "syntax: get_dvb_firmware <component>\n";
print STDERR "Supported components:\n";
@components = sort @components;
for($i=0; $i < scalar(@components); $i++) {
print STDERR "\t" . $components[$i] . "\n";
}
exit(1);
}