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Altera_Forum
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16 years ago

problem of DMA(Momery to memory)

#include"system.h"# include<stdio.h># include"altera_avalon_dma_regs.h"# include"altera_avalon_pio_regs.h"# include"alt_types.h" alt_u8 tab[8]={'a','b','c','d','e','f','g','h'},des[8]; alt_u32 f...
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Altera_Forum
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16 years ago

How do you check the contents of des? Does your CPU have a data cache? In that case you need to bypass the cache to read des.