dsp的課程設(shè)計word版-資料下載頁
2025-06-05 11:26本頁面
【正文】 *PX+0 MAR *QX+0 BANZD group, *GROUP_COUNTER POPM AR0 MAR *QX LD d_data_idx, A SUB 1, A, B STLM B, BUTTERFLY_COUNTER STL A, 1, d_data_idx LD d_group_t, A STL A, ASM, d_group_t LD d_twid_idx, A STL A, ASM, d_twid_idx BANZD stage, *STAGE_COUNTER MVDK d_twid_idx, AR0 。fft_end: RET 。***********************//功率譜計算子程序 power //***********************。 .sect rfft_prg 。power: STM fft_data, AR2 STM fft_out, AR4 STM K_FFT_SIZE*21, BRC RPTB power_end1 SQUR *AR2+, A SQURA *AR2+, A STH A, *AR4+ 。power_end: RET .end 13 鏈接命令文件 清單： o m e rfft_task MEMORY { PAGE0: EPROM: =0E000H len=1000H VECS: =0FF80H len=0080H PAGE1: SPRAM: =0060H len=0020H DARAM: =0400H len=0600H RAM: =8000H len=1400H } SECTIONS { sine1 : EPROM PAGE0 cosine1 : EPROM PAGE0 fft_prg : EPROM PAGE0 .bss : SPRAM PAGE1 sine : align(512){}DARAM PAGE1 cosine : align(512){}DARAM PAGE1 d_input : RAM PAGE1 fft_data : RAM PAGE1 fft_out : RAM PAGE1 STACK : SPRAM PAGE1 .vectors : VECS PAGE0 }
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