siggen: Add osmo-siggen for GSM/EDGE test signal generation
* Adds 4 and 1 pulse Laurent GMSK modulators
* Adds NCO based modulator
* Adds synchronization and frequency burst generators
* Adds GPIO frame trigger on GPIO-0
* Tested on USRP B210 only
* Requires C++14 support
B210 GPIO Pin Map
J504
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fp_gpio<0> | 1 | 2 | fp_gpio<1>
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fp_gpio<2> | 3 | 4 | fp_gpio<3>
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fp_gpio<4> | 5 | 6 | fp_gpio<5>
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fp_gpio<6> | 7 | 8 | fp_gpio<7>
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gnd | 9 | 10| gnd
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Change-Id: I891725d7f0cfa97c79e64f978a60dc11a206195c
Signed-off-by: Tom Tsou <tom.tsou@ettus.com>
7 files changed