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iio_readdev corrupts the data when using auto detection #583

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dernasherbrezon opened this issue Aug 16, 2020 · 1 comment · Fixed by #660
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iio_readdev corrupts the data when using auto detection #583

dernasherbrezon opened this issue Aug 16, 2020 · 1 comment · Fixed by #660
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@rgetz
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bug
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v0.22 Release

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@dernasherbrezon
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Run iio_readdev in the auto detection mode (i.e. "-a"):

#: ./iio_readdev -a -s 2 cf-ad9361-lpc
Using auto-detected IIO context at URI "usb:20.10.5"
??????%

All data produced to stdout. Thus the message "Using auto-detected IIO context at URI "usb:20.10.5"" corrupts the output.
@rgetz rgetz self-assigned this Aug 18, 2020
@rgetz
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rgetz commented Aug 18, 2020

Yeah - if you pipe this to something else - it will garble things.

For now - point to the specific url, "-u usb:20.10.5" rather than "-a"

Thanks for the bug report - I will fix, and add a test case.

@rgetz rgetz added the bug label Aug 18, 2020
@rgetz rgetz added this to the v0.22 Release milestone Sep 28, 2020
pcercuei added a commit that referenced this issue Apr 1, 2021
@pcercuei
tests: Print context creation messages to stderr
69798d2 
When using iio_readdev, stdout is reserved for the data output; so
information messages about the context creation must be sent to stderr
so that the data stream is not polluted.

Fixes #583.

Signed-off-by: Paul Cercueil <[email protected]>
@pcercuei pcercuei mentioned this issue Apr 1, 2021
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pcercuei added a commit that referenced this issue Apr 9, 2021
@pcercuei
tests: Print context creation messages to stderr
8f53a94 
When using iio_readdev, stdout is reserved for the data output; so
information messages about the context creation must be sent to stderr
so that the data stream is not polluted.

Fixes #583.

Signed-off-by: Paul Cercueil <[email protected]>
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tests: Print context creation messages to stderr analogdevicesinc/libiio
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@rgetz @dernasherbrezon