#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "dsp_common.h"
#include "dsps_biquad.h"

Include dependency graph for test_iir_biquad.c:

Macros
#define	N_SAMPLES 1024

Functions
void	xt_iss_profile_disable ()
void	xt_iss_profile_enable ()
esp_err_t	dsps_biquad_f32_aes3 (const float input, float output, int len, float coef, float w)
void	test_iir_biquad ()

Variables
int	N = 1024
float	d [1024]
float	y [1024]
float	y_ref [1024]

Macro Definition Documentation

◆ N_SAMPLES

#define N_SAMPLES 1024

Definition at line 10 of file test_iir_biquad.c.

Function Documentation

◆ dsps_biquad_f32_aes3()

esp_err_t dsps_biquad_f32_aes3	(	const float *	input,
		float *	output,
		int	len,
		float *	coef,
		float *	w )

Referenced by test_iir_biquad().

Here is the caller graph for this function:

◆ test_iir_biquad()

void test_iir_biquad ( )

Definition at line 22 of file test_iir_biquad.c.

{
    float coeffs_lpf[5] = {0.073802,  0.147603,  0.073802,  -1.250516,  0.545723};
    float w_lpf[5] = {0, 0};
    float w_lpf_ref[5] = {0, 0};
    esp_err_t ret = ESP_OK;
 
    for (size_t i = 0; i < N; i++) {
        d[i] = 0;
    }
    d[0] = 1;
    xt_iss_profile_enable();
    ret = dsps_biquad_f32_ansi(d, y_ref, N, coeffs_lpf, w_lpf_ref);
    xt_iss_profile_disable();
    if (ret  != ESP_OK) {
        printf("dsps_biquad_f32 error = %i\n", ret);
        return;
    }
    xt_iss_profile_enable();
    ret = dsps_biquad_f32_aes3(d, y, N, coeffs_lpf, w_lpf);
    xt_iss_profile_disable();
    if (ret  != ESP_OK) {
        printf("dsps_biquad_f32 error = %i\n", ret);
        return;
    }
    for (size_t i = 0; i < N; i++) {
        if (((y[i] - y_ref[i]) > 0.0000001) || (y[i] - y_ref[i]) < -0.0000001) {
            printf("ERROR result[%i]: %f, expect = %f, diff=%f\n", i, y[i], y_ref[i], y[i] - y_ref[i]);
            return;
 
        }
    }
    printf("Test Correct!\n");
 
}