diff options
| author | Andreas Eversberg <jolly@eversberg.eu> | 2016-02-16 18:56:55 +0100 |
|---|---|---|
| committer | Andreas Eversberg <jolly@eversberg.eu> | 2016-04-24 15:19:00 +0200 |
| commit | 16acdbf59d8b56f759efad3ad86c75b7e472b4cd (patch) | |
| tree | 4d68ffd4b8c1d96652a6bc507eaf743d044b924b /src/cnetz/scrambler.h | |
| parent | 4b3e3385b5d7e4017e699a6fe399db2bcae064cf (diff) | |
Implementation of C-Netz (German mobile telephone system)
Diffstat (limited to 'src/cnetz/scrambler.h')
| -rw-r--r-- | src/cnetz/scrambler.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/cnetz/scrambler.h b/src/cnetz/scrambler.h new file mode 100644 index 0000000..7b5deff --- /dev/null +++ b/src/cnetz/scrambler.h @@ -0,0 +1,12 @@ +#include "../common/filter.h" + +typedef struct scrambler { + double carrier_phaseshift256; /* carrier phase shift per sample */ + double carrier_phase256; /* current phase of carrier frequency */ + biquad_low_pass_t bq; /* filter to remove carrier frequency */ +} scrambler_t; + +void scrambler_init(void); +void scrambler_setup(scrambler_t *scrambler, int samplerate); +void scrambler(scrambler_t *scrambler, int16_t *samples, int length); + |