When gr-osmosdr is compiled with SoapySDR support and SoapyAudio is
installed the audio device is picked as a first choice when detecting
devices but grgsm tools are not able to work with audio devices. So in
such cases the user has to always specify the correct SDR device in the
args parameter which is a bit inconvenient.
When args is not specified call osmosdr.device_find to get all devices
and filter out unspported ones like SoapyAudio devices. When args is
specifed just try to create osmosdr.source with whatever value has been
specified.
Add -l and --list-devices command line option that prints information
about all detected devices.
Example commands:
grgsm_capture --list-devices
grgsm_capture --list-devices --args=nofake
grgsm_capture --args=uhd,type=b210 -a 111 capture.cfile
grgsm_livemon --args=rtl
grgsm_livemon --args=uhd,type=b210
Change-Id: Ib84081041ca6c2bc18b9da0c32bac9d3ecef65ca
-simplification of the universal demapper,
-addition of hierarhical blocks for each of the demappers - so they also look well and readable in python,
-addition of helper script for compilation of the demappers.
by adding a hier_block class that solves incompatibility between GNU Radio >=3.7.9 and <=3.7.8
and inheriting all hierarchical blocks from it.
This commit fixes #135
FCCH burst tagger is element of hierarchical block - FCCH detector that adds tags after every detected FCCH burst. The value of each tag is a frequency offset estimate.
SCH detector waits for tags from FCCH detector which are used to find SCH burst position. It is unfinished.