digital_additive_scrambler_bb Class Reference

#include <digital_additive_scrambler_bb.h>

Inheritance diagram for digital_additive_scrambler_bb:

List of all members.

Public Member Functions
int	work (int noutput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items)
	just like gr_block::general_work, only this arranges to call consume_each for you
Friends
DIGITAL_API digital_additive_scrambler_bb_sptr	digital_make_additive_scrambler_bb (int mask, int seed, int len, int count)

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Detailed Description

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.

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.

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Member Function Documentation

int digital_additive_scrambler_bb::work	(	int	noutput_items,
		gr_vector_const_void_star &	input_items,
		gr_vector_void_star &	output_items
	)		[virtual]

just like gr_block::general_work, only this arranges to call consume_each for you

The user must override work to define the signal processing code

Implements gr_sync_block.

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Friends And Related Function Documentation

DIGITAL_API digital_additive_scrambler_bb_sptr digital_make_additive_scrambler_bb	(	int	mask,
		int	seed,
		int	len,
		int	count
	)		[friend]

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The documentation for this class was generated from the following file:

• digital_additive_scrambler_bb.h