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配置SPI_EDMA的pingpong模式传输,仿真调试时全速运行只有buffer1的数据在更新,传输完成中断次数只有N/2次(理想情况两个buffer循环存储应该为N次)。但是仿真调试DSP不运行时,buffer1和buffer2是都在更新,且数据是正常。
请问两个PaRAM互相链接,中断产生的机制是一样的吗?上述现象大概是什么问题?