examples/dsp32_fir/fir_example.c File Reference

#include <avr32/io.h>
#include "compiler.h"
#include "board.h"
#include "dsp.h"
#include "dsp_debug.h"
#include "pm.h"
#include "cycle_counter.h"

Macros
#define	FIR_COEF_SIZE   25
	The number of tap. More...
#define	SIZE   64
	The size of the input signal. More...

Functions
int	main (int argc, char *argv[])
	The main function. More...

Variables
A_ALIGNED dsp32_t	fir_coef [FIR_COEF_SIZE]
A_ALIGNED dsp32_t	x [SIZE]
	The input signal resulting from a multiplication between a cosine and a sine. More...
A_ALIGNED dsp32_t	y [SIZE-FIR_COEF_SIZE+1]
	The output buffer. More...

#define FIR_COEF_SIZE   25

The number of tap.

Referenced by main().

#define SIZE   64

The size of the input signal.

Referenced by main().

int main	(	int	argc,
		char *	argv[]
	)

The main function.

References dsp32_debug_print_vect(), dsp32_debug_printf(), dsp32_filt_fir(), dsp_debug_initialization, fir_coef, FIR_COEF_SIZE, FOSC0, Get_sys_count, pm_switch_to_osc0(), SIZE, x, and y.

A_ALIGNED dsp32_t fir_coef[FIR_COEF_SIZE]

Initial value:

= {
  DSP32_Q(-0.01559148806),
  DSP32_Q(-0.00894210585),
  DSP32_Q(0.00000000000),
  DSP32_Q(0.01092924048),
  DSP32_Q(0.02338723209),
  DSP32_Q(0.03678830106),
  DSP32_Q(0.05045511524),
  DSP32_Q(0.06366197724),
  DSP32_Q(0.07568267286),
  DSP32_Q(0.08583936913),
  DSP32_Q(0.09354892838),
  DSP32_Q(0.09836316431),
  DSP32_Q(0.10000000000),
  DSP32_Q(0.09836316431),
  DSP32_Q(0.09354892838),
  DSP32_Q(0.08583936913),
  DSP32_Q(0.07568267286),
  DSP32_Q(0.06366197724),
  DSP32_Q(0.05045511524),
  DSP32_Q(0.03678830106),
  DSP32_Q(0.02338723209),
  DSP32_Q(0.01092924048),
  DSP32_Q(0.00000000000),
  DSP32_Q(-0.00894210585),

}

A_ALIGNED dsp32_t x[SIZE]

The input signal resulting from a multiplication between a cosine and a sine.

A_ALIGNED dsp32_t y[SIZE-FIR_COEF_SIZE+1]

The output buffer.