mdma_lan91c111.h

lwip tcp/ip 协议栈 adsp BF533 DSP 移植 用 visual dsp++ 编译

#ifndef __MDMA_LAN91C111_H_
#define __MDMA_LAN91C111_H_
#include <lan91c111.h>
#define DMA_WORD_SIZE 4
typedef enum 
{
	DMA_DIR_RX,
	DMA_DIR_TX
}DMA_DIRECTION;

void dma_initiate_transfer(unsigned long src_addr, unsigned long des_addr, unsigned long num_bytes,DMA_DIRECTION dir);
 
void dma_protect(void *pli_handle,DMA_DIRECTION direction);

#endif /* __MDMA_LAN91C111_H_ */