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存储数据碰到的问题



dma采集数据,将信号存入两块ram中,理想情况是0x00c000存左路信号,0x00d000存右路信号,然后存满后切换存储器,0x00e000存左路信号,0x00f000存右路信号,但是现在变成了0x00c000和0x00f000存入了左路信号,0x00d000和0x00e000存入了右路信号,不知道出现了什么问题?希望ti工程师帮忙解答下。