Suppressing middleware messages or moving it to stderr

[psvz]

Hi Kan

Middleware API litters stdout with its diag messages e.g.,

root@raspberrypi:~/se050code/mac # ./hmacit 55744873
sss   :INFO :atr (Len=35)
      01 A0 00 00    03 96 04 03    E8 00 FE 02    0B 03 E8 00
      01 00 00 00    00 64 13 88    0A 00 65 53    45 30 35 31
      00 00 00
sss   :WARN :Communication channel is Plain.
sss   :WARN :!!!Not recommended for production use.!!!
d50e19453fc6f02ba12d8ef0737e6e47da08440422317665876d07681df41464

I want to see my hex token but NOT all those sss lines. I tried this in ccmake:

CMAKE_BUILD_TYPE Release

to no avail - how do we remove middleware diagnostics from stdout, please?

[Kan_Li · Accepted solution]

Hi @psvz ,

You may modify the following cmake option to Silent .

Have a great day,
Kan

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