dsp_common.h File Reference

#include <stdint.h>
#include <stdbool.h>
#include "dsp_err.h"
#include "esp_idf_version.h"
#include <x86intrin.h>

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Macros
#define	dsp_get_cpu_cycle_count   __rdtsc

Functions
bool	dsp_is_power_of_two (int x)
	check power of two The function check if the argument is power of 2. The implementation use ANSI C and could be compiled and run on any platform
int	dsp_power_of_two (int x)
	Power of two The function return power of 2 for values 2^N. The implementation use ANSI C and could be compiled and run on any platform.
esp_err_t	tie_log (int n_regs,...)
	Logginng for esp32s3 TIE core Registers covered q0 to q7, ACCX and SAR_BYTE.

Macro Definition Documentation

dsp_get_cpu_cycle_count

#define dsp_get_cpu_cycle_count   __rdtsc

Definition at line 88 of file dsp_common.h.

Referenced by draw_3d_image_task(), draw_3d_image_task(), kalman_filter_task(), kalman_filter_task(), kalman_filter_task(), and kalman_filter_task().

Function Documentation

dsp_is_power_of_two()

bool dsp_is_power_of_two

(

int

x

)

check power of two The function check if the argument is power of 2. The implementation use ANSI C and could be compiled and run on any platform

Returns

• true if x is power of two
• false if no

Definition at line 17 of file dsps_pwroftwo.cpp.

{
    return (x != 0) && ((x & (x - 1)) == 0);
}

References x.

Referenced by dsps_bit_rev4r_direct_fc32_ansi(), dsps_bit_rev_fc32_ansi(), dsps_bit_rev_sc16_ansi(), dsps_cplx2reC_fc32_ansi(), dsps_cplx2reC_sc16(), dsps_cplx_gen_freq_get(), dsps_cplx_gen_init(), dsps_cplx_gen_phase_get(), dsps_fft2r_fc32_ansi_(), dsps_fft2r_sc16_ansi_(), dsps_gen_bitrev2r_table(), dsps_gen_bitrev4r_table(), dsps_gen_w_r2_fc32(), dsps_gen_w_r2_sc16(), dsps_sfdr_f32(), and dsps_snr_f32().

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dsp_power_of_two()

int dsp_power_of_two

(

int

x

)

Power of two The function return power of 2 for values 2^N. The implementation use ANSI C and could be compiled and run on any platform.

Returns

• power of two

Definition at line 22 of file dsps_pwroftwo.cpp.

{
    for (size_t i = 0; i < 32; i++) {
        x = x >> 1;
        if (0 == x) {
            return i;
        }
    }
    return 0;
}

References x.

Referenced by dsps_bit_rev4r_direct_fc32_ansi(), dsps_cplx2real_sc16_ansi(), dsps_fft2r_init_fc32(), dsps_fft4r_fc32_ansi_(), dsps_fft4r_init_fc32(), and dsps_gen_bitrev4r_table().

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tie_log()

esp_err_t tie_log	(	int	n_regs,
			... )

Logginng for esp32s3 TIE core Registers covered q0 to q7, ACCX and SAR_BYTE.

Parameters

n_regs	number of registers to be logged at once
...	register codes 0, 1, 2, 3, 4, 5, 6, 7, 'a', 's'

Returns

ESP_OK