Re: Raspberry Pi 3B USB Printing Issue

From: Archimedes Gaviola <archimedes.gaviola_at_gmail.com>
Date: Sat, 23 Apr 2022 05:01:30 UTC
On Sat, Apr 2, 2022 at 9:10 AM Archimedes Gaviola <
archimedes.gaviola@gmail.com> wrote:

>
>
> On Sat, Apr 2, 2022 at 8:30 AM Hans Petter Selasky <hps@selasky.org>
> wrote:
>
>> On 4/2/22 00:56, Archimedes Gaviola wrote:
>> > On Fri, Apr 1, 2022 at 12:01 AM Hans Petter Selasky <hps@selasky.org>
>> wrote:
>> >
>> >> On 3/31/22 15:52, Archimedes Gaviola wrote:
>> >>> Are you pertaining to this code Hans, the one you've shared to me
>> >>> previously?
>> >>>
>> >>> +       /* Epson printer */
>> >>> +       {USB_VPI(USB_VENDOR_EPSON, USB_PRODUCT_EPSON_TMU220B, 0)},
>> >>
>> >> Yes, but you can also add the IFACE_XXX ones with "," simply.
>> >>
>> >
>> > Hi Hans,
>> >
>> > Here's what I have come-up with based on my understanding from your
>> > suggestion. I took a look as well from other USB devices' sources. This
>> > compiles without any problems, still able to detect my printers and
>> > printing still works well. Let me know if this is correct or needs
>> further
>> > changes.
>> >
>> > freebsd@generic:~ % diff -Nur /usr/src/sys/dev/usb/serial/ulpt.c.orig
>> > /usr/src/sys/dev/usb/serial/ulpt.c
>> > --- /usr/src/sys/dev/usb/serial/ulpt.c.orig     2022-03-21
>> > 19:44:29.178010000 +0800
>> > +++ /usr/src/sys/dev/usb/serial/ulpt.c  2022-04-02 14:27:54.073592000
>> +0800
>> > @@ -499,6 +499,13 @@
>> >          {USB_IFACE_CLASS(UICLASS_PRINTER),
>> >           USB_IFACE_SUBCLASS(UISUBCLASS_PRINTER),
>> >           USB_IFACE_PROTOCOL(UIPROTO_PRINTER_1284)},
>> > +
>> > +       /* Epson printer */
>> > +       {USB_VENDOR(USB_VENDOR_EPSON),
>> > +        USB_PRODUCT(USB_PRODUCT_EPSON_TMU220B),
>> > +        USB_IFACE_CLASS(UICLASS_VENDOR),
>> > +        USB_IFACE_SUBCLASS(UISUBCLASS_VENDOR),
>> > +        USB_IFACE_PROTOCOL(UIPROTO_PRINTER_BI)},
>> >   };
>> >
>> >   static int
>> > @@ -555,9 +562,11 @@
>> >                                  break;
>> >                          } else {
>> >                                  alt_index++;
>> > -                               if ((id->bInterfaceClass ==
>> > UICLASS_PRINTER) &&
>> > -                                   (id->bInterfaceSubClass ==
>> > UISUBCLASS_PRINTER) &&
>> > -                                   (id->bInterfaceProtocol ==
>> > UIPROTO_PRINTER_BI)) {
>> > +                               if ((id->bInterfaceClass ==
>> UICLASS_PRINTER
>> > ||
>> > +                                   id->bInterfaceClass ==
>> UICLASS_VENDOR)
>> > &&
>> > +                                   (id->bInterfaceSubClass ==
>> > UISUBCLASS_PRINTER ||
>> > +                                   id->bInterfaceClass ==
>> > UISUBCLASS_VENDOR) &&
>> > +                                   (id->bInterfaceProtocol ==
>> > UIPROTO_PRINTER_BI)) {
>> >                                          goto found;
>> >                                  }
>> >                          }
>> >
>> > freebsd@generic:~ % diff -Nur /usr/src/sys/dev/usb/usbdevs.orig
>> > /usr/src/sys/dev/usb/usbdevs
>> > --- /usr/src/sys/dev/usb/usbdevs.orig   2022-03-21 19:42:20.999397000
>> +0800
>> > +++ /usr/src/sys/dev/usb/usbdevs        2022-04-01 01:21:31.361567000
>> +0800
>> > @@ -1941,6 +1941,7 @@
>> >   product EPSON 2480             0x0121  Perfection 2480 scanner
>> >   product EPSON 3590             0x0122  Perfection 3590 scanner
>> >   product EPSON 4990             0x012a  Perfection 4990 Photo scanner
>> > +product EPSON TMU220B          0x0202  TM-U220B
>> >   product EPSON CRESSI_EDY       0x0521  Cressi Edy diving computer
>> >   product EPSON N2ITION3         0x0522  Zeagle N2iTion3 diving computer
>> >   product EPSON STYLUS_875DC     0x0601  Stylus Photo 875DC Card Reader
>> >
>> > freebsd@generic:~ % dmesg
>> > ...
>> > ugen1.5: <EPSON EPSON UB-U03II> at usbus1
>> > ugen1.6: <Printer-58 USB Printing Support> at usbus1
>> > ulpt0 on uhub1
>> > ulpt0: <EPSON EPSON UB-U03II, class 0/0, rev 1.10/2.00, addr 5> on
>> usbus1
>> > ulpt0: using bi-directional mode
>> > ulpt1 on uhub1
>> > ulpt1: <Printer-58 USB Printing Support, class 0/0, rev 2.00/2.54, addr
>> 6>
>> > on usbus1
>> > ulpt1: using bi-directional mode
>> > ulpt1: offline
>> >
>>
>> Here you go:
>>
>> https://cgit.freebsd.org/src/commit/?id=88162f7abd61206c98432f2c0de869a59be13854
>>
>> Happy printing :-)
>>
>
> Hans, thank you so much for the help and guidance! :-)
>

Hi Hans,

Confirmed this is now available in the
https://download.freebsd.org/snapshots/arm64/aarch64/ISO-IMAGES/14.0/FreeBSD-14.0-CURRENT-arm64-aarch64-RPI-20220421-b91a48693a5-254961.img.xz
and printing is working well. Once again, thanks a lot!

Regards,
Archimedes