simulator_examples/dsp32_nlms/nlms_example.c File Reference

32-bit NLMS filtering

Copyright (c) 2011-2018 Microchip Technology Inc. and its subsidiaries.

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

Macros
#define	FIR_COEF_SIZE   12
#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	input_d [SIZE]
	Buffer containing filtered input data. More...
A_ALIGNED dsp32_t	input_x [SIZE]
	Buffer containing input data. More...
A_ALIGNED dsp32_t	unknown_coef_filter [FIR_COEF_SIZE]
A_ALIGNED dsp32_t	w [FIR_COEF_SIZE]
	Coefficients of the filter. More...
A_ALIGNED dsp32_t	x [FIR_COEF_SIZE]

#define FIR_COEF_SIZE   12

Referenced by main().

#define SIZE   64

The size of the input signal.

Referenced by main().

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

The main function.

Note

the call to sysclk_init() will disable all non-vital peripheral clocks, except for the peripheral clocks explicitly enabled in conf_clock.h.

References dsp32_debug_sprintf(), dsp32_filt_nlms(), dsp_debug_initialization, FIR_COEF_SIZE, FOSC0, i, input_d, input_x, SIZE, sysclk_init(), w, x, and y.

A_ALIGNED dsp32_t input_d[SIZE]

Buffer containing filtered input data.

Referenced by main().

A_ALIGNED dsp32_t input_x[SIZE]

Buffer containing input data.

Referenced by main().

A_ALIGNED dsp32_t unknown_coef_filter[FIR_COEF_SIZE]

Initial value:

= {
    DSP32_Q(0.0132),
    DSP32_Q(0.0254),
    DSP32_Q(0.0579),
    DSP32_Q(0.1006),
    DSP32_Q(0.1398),
    DSP32_Q(0.1632),
    DSP32_Q(0.1632),
    DSP32_Q(0.1398),
    DSP32_Q(0.1006),
    DSP32_Q(0.0579),
    DSP32_Q(0.0254),

}

A_ALIGNED dsp32_t w[FIR_COEF_SIZE]

Coefficients of the filter.

Referenced by Adam7_deinterlace(), dsp16_win_black(), dsp16_win_hamm(), dsp16_win_hann(), dsp16_win_welch(), dsp32_win_black(), dsp32_win_hamm(), dsp32_win_hann(), dsp32_win_welch(), in_cksum(), main(), and postProcessScanlines().

A_ALIGNED dsp32_t x[FIR_COEF_SIZE]

Referenced by Adam7_deinterlace(), build_ycc_rgb_table(), draw_mandel(), draw_plasma(), dsp16_op_exp(), dsp16_op_sqrt(), dsp16_resampling_polynomial_interpolation(), dsp16_win_gauss(), dsp32_op_exp(), dsp32_op_sqrt(), dsp32_win_gauss(), et024006_DrawLine(), et024006_PrintString(), find_nearby_colors(), gfx_draw_char_hugemem(), gfx_draw_char_progmem(), gfx_draw_progmem_string_aligned(), gfx_draw_string_aligned(), gfx_generic_draw_filled_rect(), gfx_generic_draw_line(), gfx_generic_get_pixmap(), gfx_generic_put_bitmap(), gfx_generic_put_pixmap(), gfx_get_progmem_string_bounding_box(), gfx_get_string_bounding_box(), ili9341_set_bottom_right_limit(), ili9341_set_top_left_limit(), main(), removePaddingBits(), and scale_by_denom().