main.c File Reference

#include <stdlib.h>
#include <stdio.h>

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Functions
void	test_fft2r ()
int	main (void)

Function Documentation

main()

int main

(

void

)

Definition at line 6 of file components/espressif__esp-dsp/modules/fft/test_sim/main.c.

{
    printf("main starts!\n");
//    xt_iss_profile_enable();
    test_fft2r();
//    xt_iss_profile_disable();
 
    printf("Test done\n");
}

References test_fft2r().

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test_fft2r()

void test_fft2r

(

)

Definition at line 38 of file test_fft2r.c.

{
 
    int N = sizeof(data) / sizeof(float) / 2;
    int check_bin = 32;
    float check_ampl = 2000;
    for (int i = 0 ; i < N ; i++) {
        data[i * 2 + 0] = check_ampl * sinf(M_PI / N * check_bin * 2 * i) / (N / 2);
        data[i * 2 + 1] = 2;
    }
    for (int i = 0 ; i < N * 2 ; i++) {
        check_data[i] = data[i];
        data_test[i] = -1;
    }
 
    // Init FFT tables
    esp_err_t ret = dsps_fft2r_init_fc32(NULL, 4096);
    TEST_ESP_OK(ret);
    int N_check = N;
    // table = (uint16_t *)dsps_fft2r_rev_tables_fc32[6];
    // table_size = dsps_fft2r_rev_tables_fc32_size[6];
 
    xt_iss_profile_enable();
    dsps_fft2r_fc32(data, N_check);
//    dsps_bit_rev_lookup_fc32_ae32(data, N_check, dsps_fft2r_rev_tables_fc32[6]);
    dsps_fft2r_fc32_aes3_(check_data, N_check, dsps_fft_w_table_fc32);
//    dsps_bit_rev_lookup_fc32_ae32(data, N_check, dsps_fft2r_rev_tables_fc32[6]);
    xt_iss_profile_disable();
 
    for (int i = 0 ; i < N_check ; i++) {
        if (abs(check_data[i] - data[i]) == 0) {
            printf("Data[%i] =%8.4f, %8.4f, %f \n", i, data[i], check_data[i], check_data[i] - data[i]);
        } else {
            printf("ERROR: Data[%i] =%f, %f, %f \n", i, data[i], check_data[i], check_data[i] - data[i]);
        }
    }
 
 
    printf("Test Pass!\n");
}

References check_data, data, data_test, dsps_fft2r_fc32, dsps_fft2r_fc32_aes3_(), dsps_fft2r_init_fc32(), dsps_fft_w_table_fc32, M_PI, N, xt_iss_profile_disable(), and xt_iss_profile_enable().

Referenced by main().

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