I often use the unpacked_to_packed block inline as well to save space and transfer time if I am saving a bunch of decoded data. This may not be an issue if you aren't doing things remotely.
Very Respectfully, Dan CaJacob On Wed, Oct 22, 2014 at 9:07 AM, Tom Rondeau <[email protected]> wrote: > On Wed, Oct 22, 2014 at 8:51 AM, Su Li <[email protected]> wrote: > >> Hi, >> >> After demodulation, I get a stream of "0" and "1" in UChar format, I want >> to save this stream to a file and have a look at these raw bits before >> decoding them. I tried to use "File Sink" block to save them, but I cannot >> open the saved file with "gedit". It can be opened with "GVim", but the >> content are not 0 and 1. They are "^@" and "^A". >> >> Is there anyway to save the bit stream so that when I can open the saved >> file I can get the stream shown as "0" and "1"? >> >> The flow graph is shown as following >> >> >> ​Thanks in advance. >> >> Best regards, >> Su >> > > Files are saved as binary bit streams. What you're seeing is the ASCII > representation of random 1's and 0's for each bit in the data stream. Have > a look here: > > > http://gnuradio.org/redmine/projects/gnuradio/wiki/FAQ#What-is-the-file-format-of-a-gr_file_sink-How-can-I-read-files-produced-by-a-file-sink > > Tom > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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