diff options
Diffstat (limited to 'gr-digital/include/digital_additive_scrambler_bb.h')
| -rw-r--r-- | gr-digital/include/digital_additive_scrambler_bb.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/gr-digital/include/digital_additive_scrambler_bb.h b/gr-digital/include/digital_additive_scrambler_bb.h index f1d0113e96..cb87e059b9 100644 --- a/gr-digital/include/digital_additive_scrambler_bb.h +++ b/gr-digital/include/digital_additive_scrambler_bb.h @@ -34,23 +34,16 @@ digital_make_additive_scrambler_bb(int mask, int seed, int len, int count=0); /*! + * \ingroup coding_blk * Scramble an input stream using an LFSR. This block works on the LSB only * of the input data stream, i.e., on an "unpacked binary" stream, and * produces the same format on its output. * - * \param mask Polynomial mask for LFSR - * \param seed Initial shift register contents - * \param len Shift register length - * \param count Number of bits after which shift register is reset, 0=never - * * The scrambler works by XORing the incoming bit stream by the output of * the LFSR. Optionally, after 'count' bits have been processed, the shift * register is reset to the seed value. This allows processing fixed length * vectors of samples. - * - * \ingroup coding_blk */ - class DIGITAL_API digital_additive_scrambler_bb : public gr_sync_block { friend DIGITAL_API digital_additive_scrambler_bb_sptr @@ -61,6 +54,14 @@ class DIGITAL_API digital_additive_scrambler_bb : public gr_sync_block int d_count; int d_bits; + /*! + * Build an additive scrambler block. + * + * \param mask Polynomial mask for LFSR + * \param seed Initial shift register contents + * \param len Shift register length + * \param count Number of bits after which shift register is reset, 0=never + */ digital_additive_scrambler_bb(int mask, int seed, int len, int count); |