sportisr.asm

来自「ADI 公司的DSP ADSP21369 EZ-KIT LITE开发板的全部源代」· 汇编 代码 · 共 43 行

/***************************************************************************************************
**
**  File: SportTisr.asm
**  Date: 7/29/05
**  Use:  SPORT0 & SPORT2 interrupt Service Routines   
**  	  
*****************************************************************************************************/

#include <def21369.h>

.section /pm seg_pmco;
.global _talkThroughISR_SP0;
.global _talkThroughISR_SP2;


_talkThroughISR_SP0:


	r10=dm(RXSP0A);		// Read new sample from SPDIF Rx
	dm(TXSP1A)=r10;		// write to SRC1-Input
	

_talkThroughISR_SP0.end:
	rti;

_talkThroughISR_SP2:


	r10=dm(RXSP2A);		// read new sample from SRC1 Output
    r11=dm(RXSP2B);		// read new sample from ADC
	
	dm(TXSP3A)=r10;			// write to DAC4
	dm(TXSP3B)=r10;			// write to DAC3
	dm(TXSP4A)=r11;			// write to DAC2
	dm(TXSP4B)=r11;			// write to DAC1

	
_talkThroughISR_SP2.end:
	
	rti;
//--------------------------------------------