LIBUSB_ERROR_PIPE?

Gisle Vanem gisle.vanem at gmail.com
Thu Sep 19 15:56:48 UTC 2013


Since my last Windows Update (not sure that's the cause), I'm having 
a hell to regain access to my Terratec DVB-Tstick with ther Elonics E4000
tuner. I've modified librtlsrc.c to include some more traces and relinked rtl_test 
with it. All I'm getting is LIBUSB_ERROR_PIPE trying to read/write the I2C-bus:

Osmocom-SDR\src\rtl_test.exe
Found 1 device(s):
  0:  Terratec T Stick PLUS

Using device 0: Terratec T Stick PLUS
librtlsdr.c(392): I2C addr C8: got 00, rd_len: -9, wr_len: -9
librtlsdr.c(394): Read error: LIBUSB_ERROR_PIPE, Pipe error
librtlsdr.c(396): Write error: LIBUSB_ERROR_PIPE, Pipe error
librtlsdr.c(392): I2C addr C6: got 00, rd_len: -9, wr_len: -9
...
No supported tuner found
Enabled direct sampling mode, input 1
Supported gain values (1): 0.0

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What could be the reason for this? What else should I try?

--gv




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