基于dsp的函數(shù)信號發(fā)生器與數(shù)據(jù)采集系統(tǒng)課程設計(完整版)-資料下載頁
2025-08-10 16:30本頁面
【正文】 x xfcall waitNOPSTM SPCR1, McBSP1_SPSA 。 enable McBSP0 RX for ADC data inLDM McBSP1_SPSD,AOR 0x0001, ASTLM A, McBSP1_SPSDSTM SPCR2, McBSP1_SPSA 。 enable McBSP0 TX for DTMF outLDM McBSP1_SPSD,AOR 0x0001, ASTLM A, McBSP1_SPSDLD 0h, DP 。 load data page 0rpt 23NOP ssbx xfNOPNOP。CALL IfTxRDY1。STM 0x0101, McBSP1_DXR1。CALL IfTxRDY1。STM 0x0208, McBSP1_DXR1。rsbxxf。 NOP。NOP CALL IfTxRDY1STM 0x0001, McBSP1_DXR1。request secondary municationNOPCALL IfTxRDY1 STM 0100h, McBSP1_DXR1。write 00h to register 1CALL IfTxRDY1STM 0000h, McBSP1_DXR1 NOPNOPrpt 20hnop CALL IfTxRDY1STM 0x0001, McBSP1_DXR1。request secondary municationCALL IfTxRDY1 STM 0200h, McBSP1_DXR1。write 00h to register 2 CALL IfTxRDY1STM 0000h, McBSP1_DXR1 CALL IfTxRDY1STM 0x0001, McBSP1_DXR1。request secondary municationCALL IfTxRDY1 STM 0300h, McBSP1_DXR1。write 00h to register 3CALL IfTxRDY1STM 0000h, McBSP1_DXR1 CALL IfTxRDY1STM 0x0001, McBSP1_DXR1。request secondary municationCALL IfTxRDY1 STM 0490h, McBSP1_DXR1。write 00h to register 4。bypass internal DPLL。and select the Sample Frequency CALL IfTxRDY1STM 0000h, McBSP1_DXR1 。CALL IfTxRDY1。STM 0x0001, McBSP1_DXR1。CALL IfTxRDY1。STM 0102h, McBSP1_DXR1 。enable digital loopback 。CALL IfTxRDY1。STM 0x0001, McBSP1_DXR1。CALL IfTxRDY1。STM 0208h, McBSP1_DXR1 。enable analog loopbackRETNOPNOP*********************_CloseMcBSP:STM SPCR1, McBSP1_SPSA 。 disable McBSP0 RXLDM McBSP1_SPSD,AAND 0xFFFE, ASTLM A, McBSP1_SPSDSTM SPCR2, McBSP1_SPSA 。 disable McBSP0 TXLDM McBSP1_SPSD,AAND 0xFFFE, ASTLM A, McBSP1_SPSDRPT 5RETNOPNOP*********************_WRANDREAD:stm0x0039,ar3stm0x3000,ar2stm0x1000,ar1loop:CALL IfTxRDY1 ldu*ar1+,Bnopnopnopnopand 0fffeh,b 。mask the LSBnopnopnopnopstlmB, McBSP1_DXR1nopnopnopnopCALL IfRxRDY1ldm McBSP1_DRR1,bstl b,*ar2+nopnopnopnopbanzloop,*ar3nopnopretnopnop *********************wait: stm 20h,ar3loop1: stm 020h,ar4loop2:banz loop2,*ar4banz loop1,*ar3ret nopnopnopnop.end************************************************************************** End of File –– ********************************************************************
醫(yī)療健康相關推薦
鄂ICP備17016276號-1