gr_glfsr_source_f.h
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00023 #ifndef INCLUDED_GR_GLFSR_SOURCE_F_H
00024 #define INCLUDED_GR_GLFSR_SOURCE_F_H
00025
00026 #include <gr_sync_block.h>
00027
00028 class gri_glfsr;
00029
00030 class gr_glfsr_source_f;
00031 typedef boost::shared_ptr<gr_glfsr_source_f> gr_glfsr_source_f_sptr;
00032
00033 gr_glfsr_source_f_sptr gr_make_glfsr_source_f(int degree, bool repeat=true, int mask=0, int seed=1);
00034
00039 class gr_glfsr_source_f : public gr_sync_block
00040 {
00041 private:
00042 friend gr_glfsr_source_f_sptr
00043 gr_make_glfsr_source_f(int degree, bool repeat, int mask, int seed);
00044
00045 gri_glfsr *d_glfsr;
00046
00047 bool d_repeat;
00048 unsigned int d_index;
00049 unsigned int d_length;
00050
00051 gr_glfsr_source_f(int degree, bool repeat, int mask, int seed);
00052
00053 public:
00054
00055 ~gr_glfsr_source_f();
00056
00057 int work(int noutput_items,
00058 gr_vector_const_void_star &input_items,
00059 gr_vector_void_star &output_items);
00060
00061 unsigned int period() const { return d_length; }
00062 int mask() const;
00063 };
00064
00065 #endif