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authorTill Kamppeter <tkamppeter@mandriva.com>2002-01-19 23:21:08 +0000
committerTill Kamppeter <tkamppeter@mandriva.com>2002-01-19 23:21:08 +0000
commitf72cffe297df34a8f4292179b9e1f68561fe90de (patch)
treebfdca9757bde12fee647abb76ef6c08a02862d1c /perl-install/detect_devices.pm
parentf18c3f6e24ecc92e1cfc0740fe66cd75c8f167d1 (diff)
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Replaced USB printer auto-detection by a more reliable method.
Diffstat (limited to 'perl-install/detect_devices.pm')
-rw-r--r--perl-install/detect_devices.pm61
1 files changed, 51 insertions, 10 deletions
diff --git a/perl-install/detect_devices.pm b/perl-install/detect_devices.pm
index 432f2736d..1538aa062 100644
--- a/perl-install/detect_devices.pm
+++ b/perl-install/detect_devices.pm
@@ -384,16 +384,57 @@ sub usbKeyboards { grep { $_->{media_type} =~ /\|Keyboard/ } usb_probe() }
sub usbStorage { grep { $_->{media_type} =~ /Mass Storage\|/ } usb_probe() }
sub whatUsbport() {
- my ($i, $elem, @res) = (0, {});
- foreach (grep { $_->{media_type} =~ /Printer/ } usb_probe()) {
- my ($manufacturer, $model) = split '\|', $_->{description};
- $_->{description} =~ s/Hewlett[-\s_]Packard/HP/;
- push @res, { port => "/dev/usb/lp$i", val => { CLASS => 'PRINTER',
- MODEL => $model,
- MANUFACTURER => $manufacturer,
- DESCRIPTION => $_->{description},
- }};
- ++$i;
+ # The printer manufacturer and model names obtained with the usb_probe()
+ # function were very messy, once there was a lot of noise around the
+ # manufacturers name ("Inc.", "SA", "International", ...) and second,
+ # all Epson inkjets answered with the name "Epson Stylus Color 760" which
+ # lead many newbies to install their Epson Stylus Photo XXX as an Epson
+ # Stylus Color 760 ...
+ #
+ # This routine based on an ioctl request gives very clean and correct
+ # manufacturer and model names, so that they are easily matched to the
+ # printer entries in the Foomatic database
+ my $i;
+ my @res = ();
+ foreach $i (0..15) {
+ my $port = "/dev/usb/lp$i";
+ open PORT, "$port" or next;
+ my $idstr;
+ # Calculation of IOCTL function 0x84005001 (to get device ID string):
+ # len = 1024
+ # IOCNR_GET_DEVICE_ID = 1
+ # LPIOC_GET_DEVICE_ID(len) =
+ # _IOC(_IOC_READ, 'P', IOCNR_GET_DEVICE_ID, len)
+ # _IOC(), _IOC_READ as defined in /usr/include/asm/ioctl.h
+ ioctl(PORT, 0x84005001, $idstr) or do {
+ close PORT;
+ next;
+ };
+ close PORT;
+ # Remove non-printable characters
+ $idstr =~ tr/[\x00-\x1f]/\./;
+ # Extract the printer data from the ID string
+ my ($manufacturer, $model, $description) = ("", "", "");
+ if ($idstr =~ /MFG:([^;]+);/) {
+ $manufacturer = $1;
+ $manufacturer =~ s/Hewlett[-\s_]Packard/HP/;
+ }
+ if ($idstr =~ /MDL:([^;]+);/) {
+ $model = $1;
+ }
+ if ($idstr =~ /DES:([^;]+);/) {
+ $description = $1;
+ $description =~ s/Hewlett[-\s_]Packard/HP/;
+ }
+ # Was there a manufacturer and a model in the string?
+ if (($manufacturer eq "") && ($model eq "")) {
+ next;
+ }
+ push @res, { port => $port, val => { CLASS => 'PRINTER',
+ MODEL => $model,
+ MANUFACTURER => $manufacturer,
+ DESCRIPTION => $description,
+ }};
}
@res;
}