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用FFT时SGENTI_1是在哪个头文件里定义



在使用官方提供的sprc081时,不知道SGENTI_1与DLOG_4CH 是在哪里定义的?

#include <stb.h>
#include <fft.h>

/* Create an instance of Signal generator module    */
SGENTI_1 sgen = SGENTI_1_DEFAULTS;

/* Create an instance of DATALOG Module             */
DLOG_4CH dlog=DLOG_4CH_DEFAULTS;      
    
/* Create an Instance of FFT module                 */
#define     N   128 
#pragma DATA_SECTION(ipcb, "FFTipcb");
#pragma DATA_SECTION(mag, "FFTmag");