dmac.c

来自「基于东南大学开发的SEP3203的ARM7中的所有驱动」· C语言 代码 · 共 27 行

#include "HA_TypeDef.h"                                                            
#include "hardware.h"
#include "hardware_reg.h"
extern unsigned int para;

void HA_InitDMAC(void)    
{
	U32 temp;  

	/* 此处，用RP和U32没有区别 */ 
    *(U32 *)DMACIntErrClr = 0xFFFFFFFF;
	*(RP)DMACIntTCClear = 0xFFFFFFFF;
	
	*(RP)DMACIntErrClr = 0x00000000;
	*(RP)DMACIntTCClear = 0x00000000;

	
	temp = *(RP)DMACIntErrClr;
	para = HA_EMI_WRIT(para, temp);
	
	temp = *(RP)DMACIntTCClear;
	para = HA_EMI_WRIT(para, temp);
	
	
}