memdma_stop_mode.c

用DSP BF533直接读写操作硬盘的源代码！源代码中有头文件指示了硬盘如何和BF533开发办接口

#include ".\h_file\system.h"


memDMA_Stop_R_engine(uint * S0_addr, uint * D0_addr)
{
	*pMDMA_S0_START_ADDR = S0_addr;
	*pMDMA_S0_X_COUNT = 256;
	*pMDMA_S0_X_MODIFY = 0;
	
	*pMDMA_D0_START_ADDR = D0_addr;
	*pMDMA_D0_X_COUNT = 256;
	*pMDMA_D0_X_MODIFY = 2;
	
	*pMDMA_S0_CONFIG = Stop_S_Config_16_I;
	*pMDMA_D0_CONFIG = Stop_D_Config_16;
}

memDMA_Stop_W_engine(uint * S0_addr, uint * D0_addr)
{
	*pMDMA_S0_START_ADDR = S0_addr;
	*pMDMA_S0_X_COUNT = 256;
	*pMDMA_S0_X_MODIFY = 2;
	
	*pMDMA_D0_START_ADDR = D0_addr;
	*pMDMA_D0_X_COUNT = 256;
	*pMDMA_D0_X_MODIFY = 0;
	
	*pMDMA_S0_CONFIG = Stop_S_Config_16;
	*pMDMA_D0_CONFIG = Stop_D_Config_16_I;
}