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edma没有头绪,请指教

Other Parts Discussed in Thread: TMS320C6455

这是之前人做的.c文件,但是我用不起来,我想直接用a同步,把100个字节从ddr2 0xe0000000搬到l2的0x00800000中,搬移100字节,可是显示ddr2里面的数据,没搬移,想知道为什么