libieee1284 and canon parallel scanners

From: Rob Pollock (rob.pollock_at_gmail.com)
Date: 04/11/05

  • Next message: Hanspeter Roth: "accessing USB device with long Initialization" 
    Date: Mon, 11 Apr 2005 22:40:12 +1200
To: freebsd-stable@freebsd.org

    Hi,

    I'm desperately trying to get my parallel port scanner to work on
    FreeBSD 5-STABLE.

    It is a canon 640P scanner, that in theory should work with sane-backends
    and canon_pp driver (which depends on libieee1284).

    Instead, it can't detect the scanner. I posted to sane-devel to try
    to get some feedback, however there may be some FreeBSD-specific
    issues (see
    http://lists.alioth.debian.org/pipermail/sane-devel/2005-April/013400.html ).

    (please see the link for details).

    In summary:

    dmesg under FreeBSD shows:

    ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
    ppc0: Generic chipset (ECP/PS2/NIBBLE) in COMPATIBLE mode
    ppc0: FIFO with 16/16/8 bytes threshold
    ppbus0: <Parallel port bus> on ppc0
    lpt0: <Printer> on ppbus0
    lpt0: Interrupt-driven port
    ppi0: <Parallel I/O> on ppbus0

    libieee1284 is installed, if you run the test utility you get:

    Found 3 ports:
      0x278:
      0x378:
      0x3bc:

    0x278: 0x278
      RAW NIBBLE BYTE COMPAT ECPSWE
    0x378: 0x378
      RAW NIBBLE BYTE COMPAT ECPSWE
    0x3bc: 0x3bc
      RAW NIBBLE BYTE COMPAT ECPSWE

    But the scanner is not detected!

    Sorry if this post is a little off-topic, I'm looking for parallel
    port gurus who might
    be able to help. e.g. do I need some random SCSI driver or something.

    Cheers,
    Rob Pollock.
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  • Next message: Hanspeter Roth: "accessing USB device with long Initialization"

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