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TMS320C6657 UPP DMA传输问题

Other Parts Discussed in Thread: TMS320C6657

调试TMS320C6657 UPP接口,数据方向FPGA到DSP,UPP的配置参数按照网上找的例子配置的,但是循环执行DMA操作时,发现只有第一次的DMA传输的数据是正确的,后面的所有DMA都没有数据传输过来,大神们有碰到这个问题的吗?求解答