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关于 6678 pciedemo.c的疑问



您好,

最近 用 TMDXEVM6678 调pcie ,在linux 下试了pciedemo.c,发现用EDMA传输的时候经常会出现(正确错误参半)4个错误,位置固定在 DDR 起始偏移为 0x240起始的4字节。参照pciedemo.c,用windriver 写了个上位机,在windows 下运行,同样会出现这个问题。本人小菜,请大牛们指点一二

谢谢