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PLL for symbol synchronization

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@f4exb f4exb released this 06 May 13:30
· 99 commits to master since this release

PLL for symbol synchronization

A PLL for symbol synchronization has been added. It is centered around the symbol rate and driven by the output from the existing ringing filter itself fed by the square of the discriminator output. This significantly improves the decoding in all modes and is a major improvement from the previous versions.

Code cleanup

In addition code cleaning up was carried out using cppcheck and Eclipse own static analysis checker. This may have an effect on occasional segmentation fault errors. Judging by burn in tests using the DSD demod plugin of SDRangel the occasional segmentation fault has not reappeared yet on a 24h+ period.

Debian builds

  • dsdcc_1.7.0-1_amd64.deb Debian package for Intel/AMD 64 bit architecture. Works in Ubuntu 16.04
  • dsdcc_1.7.0-1_armhf.deb Debian package for ARM (armv7l) architecture. Intended for Debian Jessie distributions