diff options
| author | Andreas Eversberg <jolly@eversberg.eu> | 2017-01-29 07:25:12 +0100 |
|---|---|---|
| committer | Andreas Eversberg <jolly@eversberg.eu> | 2017-02-18 21:01:13 +0100 |
| commit | 7e45f556cec493c3c77fcb6400d8ae211faf2220 (patch) | |
| tree | cb5903509228c36e7dcd52ae0a049b380e81f401 /src/cnetz/fsk_fm_demod.h | |
| parent | bd7ccc5fa05587606757adbacb6e1bf12f12fd2c (diff) | |
Correcting all levels and move all remaining integer samples to sample_t
The leves are based on the standards of each mobile network. They
are adjusted to the specified frequency deviation now.
Diffstat (limited to 'src/cnetz/fsk_fm_demod.h')
| -rw-r--r-- | src/cnetz/fsk_fm_demod.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/cnetz/fsk_fm_demod.h b/src/cnetz/fsk_fm_demod.h index bf782e5..c8692c3 100644 --- a/src/cnetz/fsk_fm_demod.h +++ b/src/cnetz/fsk_fm_demod.h @@ -24,7 +24,7 @@ typedef struct fsk_fm_demod { int bit_buffer_len; /* number of samples in ring buffer */ int bit_buffer_half; /* half of ring buffer */ int bit_buffer_pos; /* current position to write next sample */ - int level_threshold; /* threshold for detection of next level change */ + double level_threshold; /* threshold for detection of next level change */ double bits_per_sample; /* duration of one sample in bits */ double next_bit; /* count time to detect bits */ int bit_count; /* counts bits, to match 4 bits at distributed signaling */ @@ -45,7 +45,7 @@ typedef struct fsk_fm_demod { int rx_buffer_count; /* counter when receiving bits */ /* statistics */ - int change_levels[256]; /* ring buffer to store levels */ + double change_levels[256]; /* ring buffer to store levels */ double change_when[256]; /* ring buffer to store time when level has changed */ uint8_t change_pos; /* index for next write */ } fsk_fm_demod_t; |