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<font size=3>Peter,<br>
I have been doing some more testing and I find that if I
modify the libusb.c file to set a report size in libusb_get_report to 16
the error messages go away. This is the code as it currently
stands:<br><br>
static int libusb_get_report(usb_dev_handle *udev, int ReportId, unsigned
char *raw_buf, int ReportSize )<br>
{<br>
int ReportSize_test = 16;<br>
unsigned char raw_buf_test[ReportSize_test + 1];<br>
int rc;<br>
unsigned char *p_raw_buf_test;<br>
upsdebugx(4, "Entering libusb_get_report, ReportSize:
%i, ReportSize_test: %i",ReportSize, ReportSize_test);<br><br>
<x-tab> </x-tab>if (udev
!= NULL)<br>
<x-tab> </x-tab>{<br>
<x-tab> </x-tab><x-tab>
</x-tab>rc =
usb_control_msg(udev,<br>
<x-tab> </x-tab><x-tab>
</x-tab><x-tab>
</x-tab>USB_ENDPOINT_IN +
USB_TYPE_CLASS + USB_RECIP_INTERFACE,<br>
<x-tab> </x-tab><x-tab>
</x-tab><x-tab>
</x-tab>0x01, /*
HID_REPORT_GET */<br>
<x-tab> </x-tab><x-tab>
</x-tab><x-tab>
</x-tab>
ReportId+(0x03<
<img src="http://messenger.msn.com/MMM2004-08-11_11.52/Resource/emoticons/75_75.gif" width=19 height=19 alt="Eye-rolling">, /* HID_REPORT_TYPE_FEATURE */<br>
<x-tab> </x-tab><x-tab>
</x-tab><x-tab>
</x-tab>0, raw_buf_test,
ReportSize_test, USB_TIMEOUT);<br>
<x-tab> </x-tab><x-tab>
</x-tab><x-tab>
</x-tab>p_raw_buf_test =
raw_buf_test + (ReportSize_test - ReportSize);<br>
<x-tab> </x-tab><x-tab>
</x-tab><x-tab>
</x-tab>memcpy(raw_buf,
p_raw_buf_test, ReportSize);<br>
<x-tab> </x-tab><x-tab>
</x-tab>return rc;<br>
<x-tab> </x-tab>}<br>
<x-tab> </x-tab>else<br>
<x-tab> </x-tab><x-tab>
</x-tab>return 0;<br>
}<br><br>
From this I now get<br><br>
Detected a UPS: UIS Ablerex/Ablerex USB Interface 049e<br>
Using subdriver: EXPLORE HID 0.1<br>
parsing 00860004<br>
parsing Flow<br>
hid_lookup_usage: found 84001e<br>
parsing FlowID<br>
hid_lookup_usage: found 84001f<br>
Path depth = 3, Path: 00860004.Flow.FlowID, Node1/2/3:, 860004, 84001e,
84001f <br>
0: Usage(00860004)<br>
1: Usage(0084001e)<br>
2: Usage(0084001f)<br>
Buffer is stale. refreshing<br>
Noting in the buffer for rbuf->data[0]<br>
Noting in the buffer for rbuf->data[1]<br>
Noting in the buffer for rbuf->data[2]<br>
Entering libusb_get_report, ReportSize: 13, ReportSize_test: 16<br>
Report[r]: (16 bytes) => 00 00 00 00 00 00 00 00 00 00 00 00 00 00 04
b0<br>
=> Before exponent: 0, 0/0)<br>
=> After conversion: 0.000000 (0), 0/0)<br>
Path: 00860004.Flow.FlowID, Type: Feature, ReportID: 0x01, Offset: 0,
Size: 4, Value: 0.000000<br><br>
when i use the usbhid-ups -DDDD -x explore command.<br><br>
It would appear that whatever is setting the length of the report is not
getting it quite right. I think this is in hidparse.c, but I am still
looking.<br><br>
Jon<br><br>
<br>
At 19:18 28/01/2007, Peter Selinger wrote:<br>
<blockquote type=cite class=cite cite="">OK, <br><br>
no, you wouldn't expect any error messages during compiling.
However,<br>
this doesn't mean usbhid-ups can talk to your device. You did get<br>
error mesages (Value too large for defined data type) when running
the<br>
driver.<br><br>
I think what you have to do is to experiment with the report buffer<br>
size, as I described in an earlier message:<br><br>
> The error message "(75): Value too large for defined data
type" may<br>
> indicate that the UPS is unhappy with the size of the buffer
provided<br>
> by NUT (apparently 13). You can play with this by hacking a
larger<br>
> buffer size. It should be easy to do this in the function<br>
> libhid.c:refresh_report_buffer(), by setting len to something
bigger<br>
> (or smaller).<br><br>
Sorry if that advice was drowned in a sea of other comments. This is<br>
what you should do. I don't know if it will work, since I don't have<br>
an Ablerex device to play with. <br><br>
-- Peter<br><br>
P.S. I am moving this discussion to the nut-upsdev mailing list
(from<br>
nut-upsuser).</font></blockquote>
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