?? define.asm
字號:
#define N 2048
#define M 1920
//定義的是濾波器的系數
.SECTION/DM seg_sram;
.VAR _coeffreal[N]= "coeff_fft_re.dat";
.GLOBAL _coeffreal;
.ENDSEG;
.SECTION/DM seg_sram;
.VAR _coeffimag[N]= "coeff_fft_im.dat";
.GLOBAL _coeffimag;
.ENDSEG;
.SECTION/DM seg_sram;
.VAR _lfmreal[M]= "echo_re.dat";
.GLOBAL _lfmreal;
.ENDSEG;
.SECTION/DM seg_sram;
.VAR _lfmimag[M]= "echo_im.dat";
.GLOBAL _lfmimag;
.ENDSEG;
//定義的fft的旋轉因子和輸入數據
.SEGMENT/PM seg_pmda;
//.VAR _sine[N/2]= "ts2.dat"; /*imag twiddle factors, from TWIDRAD2 */
.VAR _refft[N]; /* real result */
.GLOBAL _refft;
.var _result[N/2];
.global _result;
//.GLOBAL sine;
.ENDSEG;
.SEGMENT/DM seg_sram;
//.VAR _cosine[N/2]= "tc2.dat"; /* real twiddle factors, from TWIDRAD2 */
.VAR _imfft[N]; /* imag result */
.GLOBAL _imfft;
//.global cosine;
.ENDSEG;
.SEGMENT/DM seg_sram;
//.VAR _cosine[N/2]= "tc2.dat"; /* real twiddle factors, from TWIDRAD2 */
.VAR _echo_re_fft[N]; /* imag result */
.GLOBAL _echo_re_fft;
//.global cosine;
.ENDSEG;
.SEGMENT/DM seg_sram;
//.VAR _cosine[N/2]= "tc2.dat"; /* real twiddle factors, from TWIDRAD2 */
.VAR _echo_im_fft[N]; /* imag result */
.GLOBAL _echo_im_fft;
//.global cosine;
.ENDSEG;
.SEGMENT/DM seg_sram;
//.VAR _cosine[N/2]= "tc2.dat"; /* real twiddle factors, from TWIDRAD2 */
.VAR _dsp_re_fft[N]; /* imag result */
.GLOBAL _dsp_re_fft;
//.global cosine;
.ENDSEG;
.SEGMENT/DM seg_sram;
//.VAR _cosine[N/2]= "tc2.dat"; /* real twiddle factors, from TWIDRAD2 */
.VAR _dsp_im_fft[N]; /* imag result */
.GLOBAL _dsp_im_fft;
//.global cosine;
.ENDSEG;
.SEGMENT/DM seg_sram;
//.VAR _cosine[N/2]= "tc2.dat"; /* real twiddle factors, from TWIDRAD2 */
.VAR _dsp_re[N]; /* imag result */
.GLOBAL _dsp_re;
//.global cosine;
.ENDSEG;
.SEGMENT/DM seg_sram;
//.VAR _cosine[N/2]= "tc2.dat"; /* real twiddle factors, from TWIDRAD2 */
.VAR _dsp_im[N]; /* imag result */
.GLOBAL _dsp_im;
.VAR _echo_re[M];
.GLOBAL _echo_re;
.VAR _echo_im[M];
.GLOBAL _echo_im;
//.global cosine;
.ENDSEG;
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