Good evening,
On 10/03/10 at 7:54 AM -0500, Charles Lepple <[email protected]> wrote:
On Wed, Mar 10, 2010 at 4:08 AM, Charlie Garrison <[email protected]> wrote:
Good evening,
On 8/03/10 at 11:54 PM -0500, Charles Lepple <[email protected]> wrote:
If you have time to add some upslogx() calls to the driver, I would be
interested in comparing the errors you are experiencing when not running in
debug mode. When the tripplite_usb driver is in the background, it logs the
following:
3/8/10 11:26:04 PM tripplite_usb[22267] Error reading S value: Device
detached? (error 0: libusb/darwin.c usb_setup_iterator:
IOServiceGetMatchingServices: unknown error
)
I'm not seeing anything like that.
The second part of the error comes from usb_strerror(), so can you
change line 155 in your modified version to:
upslogx(LOG_WARNING, "usb_interrupt_read is %d (%s)", res, usb_strerror());
I changed that line, and output in terminal showed 'no error', eg:
usb_interrupt_read is 25 (No error)
And console log (after process forks) showed errors such as:
bcmxcp_usb[71254] usb_interrupt_read is -6 (usb_bulk_read: An
error occured during read (see messages above))
I couldn't see any 'messages above'; I'm not sure what that
refers to.
So I asked google about that error and during my reading, I got
a clue about libusb versions. I'm using the mac ports system and
it was (or I was) confused about which version of libusb was
being used. It was on old version (0.1.12, even though 1.0.6 was
installed). Anyway, after removing the 0.1.12 version I'm now
getting `configure` errors with libusb-1.0.6. In particular:
configure: error: "USB drivers requested, but libusb not found."
I was getting other errors which were solved by adding symlinks
for different versions/names; eg:
$ ln -s libusb-1.0.pc /opt/local/lib/pkgconfig/libusb.pc
$ ln -s libusb.h /opt/local/include/libusb-1.0/usb.h
$ ln -s libusb-1.0.0.dylib /opt/local/lib/libusb.dylib
$ ln -s libusb-1.0.a /opt/local/lib/libusb.a
$ ln -s libusb-1.0.la /opt/local/lib/libusb.la
That silenced all the other errors, but I'm still getting the
"libusb not found" error.
For reference, configure prints:
checking for libusb version via pkg-config... 1.0.6 found
checking for libusb cflags... -I/opt/local/include/libusb-1.0
checking for libusb ldflags... -L/opt/local/lib -lusb-1.0
checking for usb.h... yes
checking for usb_init... no
Should I be able to use libusb-1.0.6? I asked google about this
configure error too but couldn't find anything useful.
OK, I'm getting in a bit over my head, but after staring at code
for libusb-1.0 it looks like the API has changed, and that would
explain why `usb_init` check fails. I'll revert to 0.1.12;
please advise if I should persist with upgrading to 1.0.6.
And is there anything else I can test to help resolve this issue?
Thanks again,
Charlie
--
Ꮚ Charlie Garrison ♊ <[email protected]>
〠 PO Box 141, Windsor, NSW 2756, Australia
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