tms320c54xdsp的函數(shù)發(fā)生器的設(shè)計(jì)(編輯修改稿)
2025-07-26 19:25 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 BC sin_1k,ANEQ LD *AR2,A AND 010000B,A BC sin_100,ANEQ LD *AR2,A AND 0100000B,A BC cos_10k,ANEQ LD *AR2,A AND 01000000B,A BC cos_1k,ANEQ LD *AR2,A AND 10000000B,A BC cos_100,ANEQ end: B end fangbo_1m: STM 10,TIM0 STM 10,PRD0 STM fangbo,AR3 B main fangbo_100k: STM 110,TIM0 STM 110,PRD0 STM fangbo,AR3 B main sin_10k: STM 2,TIM0 STM 2,PRD0 STM sin_x,AR3 B main sin_1k: STM 30,TIM0 STM 30,PRD0 STM sin_x,AR3 B main sin_100: STM 306,TIM0 STM 306,PRD0 STM sin_x,AR3 B main cos_10k: STM 2,TIM0 STM 2,PRD0 STM sin_x,AR3 B main cos_1k: STM 30,TIM0 STM 30,PRD0 STM sin_x,AR3 B main cos_100: STM 306,TIM0 STM 306,PRD0 STM sin_x,AR3 B main 。定時(shí)器中斷輸出 TINT_T0: STM 1,AR0 STM 360,BK loop: PORTW *AR3+0%,PA B loop RETE sinx: .def d_xs,d_sinx .data table_s: .word 01c7h 。c1=1/(8*9) .word 030bh 。c2=1/(6*7) .word 0666h 。c3=1/(4*5) .word 1556h 。c4=1/(2*3) coef_s: .usect coef_s,4 d_xs: .usect sin_vars,1 squr_xs: .usect sin_vars,1 temp_s: .usect sin_vars,1 d_sinx: .usect sin_vars,1 l_s: .usect sin_vars,1 .text SSBX FRCT STM coef_s,AR5 RPT 3 MVPD table_s,*AR5+ STM coef_s,AR3 STM d_xs,AR2 STM l_s,AR4 ST 7FFFH,l_s SQUR *AR2+,A
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