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TMS320C5505的DMA传输

请问,每次DMA传输之前都需要进行配置么?因为需要多次DMA传输,每次传输之前配置一次,耗费时间很长,但是如果不是每次传输之前进行配置,传输过程就会出错,不知道有没有什么解决办法?求大神指教。