The LIBUSB_ERROR_PIPE error also occurred when I tried to use the device in Linux. This sounds kind of similar to my problem (haven't looked at it again since i posted my problem).
https://sourceforge.net/p/sigrok/mailman/message/35236612/ Hopefully your post get me a bit further then. Good luck. 2016-07-31 14:21 GMT+02:00 Erik Montnemery <[email protected]>: > With latest daily build (I tested July 29th 2016) Hantek 6022BE is not > useable in Windows. > > Symptoms: > pulseview: > - Does not capture any data > > sigrok-cli: > - Reports error "sr: hantek-6xxx: Failed to control transfer: 0xe5: > LIBUSB_ERROR_PIPE." > - Only captures date when capturing an amount of samples that is a power > of 2 > > With the patch below, both pulseview and sigrok-cli can capture data > although the LIBUSB error remains. > Any idea what is causing the LIBUSB error? > > Note1: I'm not the original author of the patch, it's from reply #359 > here: > http://www.eevblog.com/forum/testgear/sainsmart-dds120-usb-oscilloscope-(buudai-bm102)/350/ > Note2 > <http://www.eevblog.com/forum/testgear/sainsmart-dds120-usb-oscilloscope-(buudai-bm102)/350/Note2>: > The patch has only been tested by me in Windows 10 64 bit. > > Suggested patch: > diff --git a/src/hardware/hantek-6xxx/api.c > b/src/hardware/hantek-6xxx/api.c > index 8848c91..e81ee04 100644 > --- a/src/hardware/hantek-6xxx/api.c > +++ b/src/hardware/hantek-6xxx/api.c > @@ -531,7 +531,11 @@ static uint32_t data_amount(const struct sr_dev_inst > *sdi) > data_left = devc->samplerate * NUM_CHANNELS; > } > > - data_left += MIN_PACKET_SIZE; /* Driver does not handle small > buffers. */ > + uint32_t i; > + /* Round up to nearest power of two */ > + for (i = MIN_PACKET_SIZE; i < data_left; i *= 2) > + ; > + data_left = i; > > sr_spew("data_amount %u", data_left); > > > ------------------------------------------------------------------------------ > _______________________________________________ > sigrok-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/sigrok-devel >
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